Icandelo lemizi-mveliso lixhomekeke kuluhlu lwezinto ezintsonkothileyo, kodwa zimbalwa ezinendima ebalulekileyo njengeentsimbi ezisebenza kakhulu. Ezi zinyithi zisebenza njengezinto ezisisiseko zokuvelisa izinto ezintsha kubunjineli beenqwelo-moya kunye neenkqubo zamandla avuselelekayo kuba zivumela uyilo oluphambili olubonelela ngokuqina okungenakuthelekiswa nanto. Eli nqaku liphanda iintsimbi zoshishino ezisebenza kakhulu ngelixa libonisa iimpawu zazo zomzimba ezahlukileyo kunye nokusetyenziswa kwemizi-mveliso kunye neenzuzo zazo ezifanayo. Ukuqonda kwesayensi iipropati zezinto ezisetyenzisiweyo kunye nokukhethwa kwezinto ezicwangcisiweyo ngokweemfuno zeprojekthi kwenza abachaphazelekayo bakwazi ukufezekisa ukusebenza ngcono kweprojekthi ngelixa benciphisa iindleko kwaye bephucula uzinzo. Isikhokelo esipheleleyo sinika ulwazi olubalulekileyo malunga nendlela ezi zinyithi ezisebenza ngayo kwizicelo zoshishino zanamhlanje zeenjineli kunye neengcali zokuthenga kunye nabathandi besayensi yezinto ezisetyenzisiweyo.
Ukuqonda iiMetals eziSebenza ngokuPhezulu
Inkcazo kunye neempawu zeeMetali eziSebenza ngokuPhezulu
Iintsimbi ezisebenza kakuhle zimele udidi lwezinto eziveliswe ziinjineli ukuze zikwazi ukumelana neemeko ezinzima ngelixa izinto zazo zigcina amandla aphezulu kunye nokuqina kunye nokumelana nokugqwala kunye nozinzo lobushushu. Ezi zintsimbi zisetyenziswa kakhulu kumashishini afuna izinto ezisebenza kakuhle ezidlula amandla ezinto eziqhelekileyo ezisetyenziswa kwi-aerospace nakwiimoto kunye namandla kunye nezonyango. Imizekelo eqhelekileyo ibandakanya ii-alloys ze-titanium, ii-superalloys ezisekelwe kwi-nickel, kunye nentsimbi enamandla aphezulu.
Idatha yakutshanje ibonisa ukuba i-advanced iintsimbi zisebenzisa i-alloying Izinto eziquka i-chromium kunye ne-molybdenum kunye ne-cobalt ukuphucula amandla azo olwakhiwo kunye nokukhuselwa ekugugeni kwiimeko eziqatha. Ezi zinto zibonisa ukusebenza okugqwesileyo kuba inkqubo yazo yokuvelisa isebenzisa iindlela ezithile eziquka ukunyibilika kwe-vacuum kunye nokuveliswa kwezongezo ukuvelisa izakhiwo ezincinci ezilawulwa kakhulu. Le nkqubo imisela ukusebenza kakuhle kwezinto ezikhokelela kwixesha elide lokuphila kwezixhobo kunye nokunciphisa iindleko kulo lonke ixesha lokusebenza. Iintsimbi ezisebenza kakuhle zidlala indima ebalulekileyo ekugcineni ukhuseleko kunye nokhuseleko ngelixa zixhasa ukuqhubela phambili kwezobuchwepheshe kumashishini ahlukeneyo.
▸ Ukuchaza iimpawu zeentsimbi ezisebenza kakuhle
- Amandla aphezulu kunye nokuqina — Yenzelwe ukugcina imithwalo yoomatshini ngaphaya kwezinto eziqhelekileyo
- Nokumelana Resistance — Ikhuselwe ekuhlaselweni ziikhemikhali nge-chromium, i-molybdenum, kunye ne-cobalt alloying
- Ukuzinza kobushushu — Igcina ulungelelwaniso lolwakhiwo kumanqanaba obushushu aphezulu kakhulu
- Isakhiwo esincinci esilawulwayo — Yenziwe ngokunyibilikisa i-vacuum kunye nokuveliswa kwezongezo ukuze kusebenze ngokuchanekileyo
Ukubaluleka kweempawu zezinto ezibonakalayo ekusebenzeni
Iimpawu zezinto zisebenza njengezinto ezibalulekileyo ezimisela indlela esebenza ngayo izinto zobunjineli xa zidibana neemeko ezahlukeneyo zokusebenza. Iimpawu zoomatshini zezinto, ezibandakanya amandla okuxinana kunye nobunzima kunye nokuguquguquka, zivumela izinto ukuba zixhase imithwalo yomzimba, ngelixa iimpawu zobushushu, ezibandakanya ukuqhuba kunye nee-coefficients zokwandisa, zimisela indlela esebenza ngayo izinto phantsi kweemeko ezishushu kakhulu nezibandayo. Iimpawu ezimbini zokumelana nokugqwala kunye namandla okudinwa zikhusela izinto ekonakaleni xa zisebenza kwiindawo eziyingozi. Uhlalutyo lwamva nje lwedatha ye-injini yokukhangela lubonisa ukuba abantu banomdla ngakumbi kwizinto ezineempawu ezilula kunye nezakhono zokuzilungisa ezinamandla. Uphuhliso lweempawu zezinto nge-nanotechnology kunye nesayensi yezinto zokubala kufuneka lwenzeke kuba lubonelela ngeengenelo ezibalulekileyo kwiinjineli ezifuna ukusebenza okuphuculweyo kunye nobomi bemveliso kunye nokukhuselwa kwendalo kulo lonke umsebenzi wazo.
Izicelo kuwo wonke amaShishini
Iindlela zamva nje zedatha ezivela kwiinjini zokukhangela zibonisa ukunyuka okukhulu kwemibuzo malunga nezixhobo ezininzi ezisebenza ngeendlela ezahlukeneyo, nto leyo ebonisa ukuba amacandelo emizi-mveliso ngoku anomdla omkhulu kwezi zinto. Amashishini eenqwelo-moya kunye neemoto asebenzisa izixhobo ezikhaphukhaphu ezinamandla aphezulu ukuze afumane ukonga okungcono kwamafutha kunye nokusebenza kakuhle kwesakhiwo. Icandelo lokwakha lisebenzisa izixhobo zokuziphilisa kuba ezi zinto zinceda ekunciphiseni iindleko zokugcina ngelixa zigcina iinkqubo zazo zeziseko zophuhliso. Ishishini lezempilo liphuhlise izinto eziphilayo ezidala izinto ezithatha indawo yezicubu ezonakeleyo ngelixa zivuselela iindlela zokuphilisa umzimba. Olu phando lusebenzisa i-nanotechnology kunye nemodeli yokubala ukwenza izisombululo ezicwangcisiweyo ngokuchanekileyo eziphucula ukusebenza kwemveliso kunye nokusombulula imiba yokuzinza kokusingqongileyo. Ukuhlanganiswa kwezinto ezinjalo kube licebo elibalulekileyo ekufuneka abavelisi balisebenzise ukujongana neemfuno ezitshintshayo zobunjineli banamhlanje kunye neenkqubo zemveliso.
Iintlobo zee-Alloys eziSebenzayo kakhulu
Isishwankathelo see-Specialty Alloys
Ii-alloy ezikhethekileyo zizinto eziphambili ezenziwa ngabavelisi ukuvelisa izinto ezineempawu ezibalaseleyo zoomatshini, ubushushu kunye neekhemikhali ezidlula ukusebenza okuqhelekileyo kwesinyithi kwiimeko ezigqithisileyo. Ii-alloy zenziwa ngeenkqubo ezithile ezisebenzisa indibaniselwano echanekileyo yezinto kunye neendlela zemveliso ukudala iimpawu zokusebenza ngeenjongo ezithile. Ii-Superalloy zisebenza njengomzekelo ophambili kuba zivumela amashishini eenqwelo moya kunye nokuvelisa umbane ukuba asebenze kumaqondo aphezulu obushushu ngelixa ii-alloy ezimelana nokugqwala zibonelela ngenkxaso ebalulekileyo ekucutshungulweni kweekhemikhali kunye nemisebenzi yaselwandle. Idatha yangoku ibonisa ukuba iifomyula ze-alloy ezisekelwe kwi-titanium kunye ne-nickel zikhokela kwimarike ekhethekileyo kuba ezi zinto zibonelela ngamanani angcono okuqina-ubunzima kwaye zigcina amandla azo phantsi kweemeko ezigqithisileyo. Imfuneko yee-alloy eziphambili eziqulethe izinto ezinqabileyo zomhlaba iyanda kuba ezi zinto zibonelela ngokusebenza okungenakuthelekiswa nanto kunye nobuchule bokusebenza kwiindawo ezintsha zokusetyenziswa.
Stainless Steel: Iipropati kunye nezicelo
Yenziwe ngentsimbi eshayinayo Isebenza njengesixhobo esisetyenziselwa izinto ezininzi esisetyenziswa ngabantu kuba igcina amandla ayo kwiimeko ezahlukeneyo zendalo ngelixa ikhusela ekungcoleni. Eyona nto iphambili kwintsimbi engagqwali yintsimbi edibanisa ne-chromium kunye nezixa ezahlukeneyo ze-nickel kunye ne-molybdenum kunye nezinye izinto ukwenza iimpawu zayo ezahlukileyo. Uphawu olubalulekileyo lwentsimbi engagqwali lukho kuba iqulethe i-chromium engaphezulu kwe-10.5% evelisa umaleko we-oxide okhuselayo ukunqanda i-oxidation kunye nokungcola ekonakaleni kwezinto.
Idatha yakutshanje ibonisa ukuba kukho iiklasi ezingaphezu kwe-150 zentsimbi engagqwaliyo ezidityaniswe ngabavelisi zibe ngamaqela osapho oluqinileyo lwe-austenitic, ferritic, martensitic, duplex kunye ne-precipitated. Intsimbi engagqwaliyo ye-Austenitic equka iiklasi ezingama-304 kunye ne-316 imi njengezinto eziphambili kwizicelo zoshishino kunye nabathengi kuba ibonelela ngokhuseleko oluhle kakhulu lokugqwala kunye neempawu ezingezizo zemagnethi kunye neenkqubo ezilula zokuvelisa. Intsimbi engagqwali ye-duplex iye yathandwa ngakumbi kuba inika amandla angcono kunye nokumelana nokugqwala okuxineneyo okwenza ukuba ifaneleke ukusetyenziswa kwiinkqubo ezibalulekileyo ezisebenza kwiindawo zokukhupha ityuwa kunye namaqonga okumba ioyile olwandle.
Le mpahla yentsimbi engagqwaliyo ivumela amashishini ahlukeneyo kuquka ezempilo kunye noyilo lwezakhiwo kunye nezithuthi kunye nokulungiswa kokutya ukuba ahlangabezane neemfuno zawo zokusebenza ezifuna amandla. Izixhobo zonyango kunye nezixhobo zotyando zisebenzisa le mpahla ukubonisa amandla ayo okugcina ucoceko ngelixa zichasa iindlela zokubulala iintsholongwane. Le mpahla ibonisa amandla ayo okunyamezela ubushushu obugqithisileyo kunye nokukhutshwa kwegesi erhabaxa ngokusebenzisa kwayo kwiinkqubo zokukhupha umoya kwiimoto. Abantu babonisa umdla okhulayo kwizicelo ezizinzileyo kuba iindlela zokukhangela zangoku zibonisa ukuba intsimbi engagqwaliyo inokuphinda isetyenziswe kwaye i-90% yempahla yayo inokufunyanwa kwakhona emva kokusetyenziswa kwayo kokuqala okuxhasa ukudalwa kwenkqubo yoqoqosho olujikelezayo.
▸ Amaqela eentsapho zeNtsimbi Engagqwaliyo: Iipropati kunye nezicelo
| usapho | AmaBanga aPhambili | Iipropati eziphambili | Isicelo esiqhelekileyo |
|---|---|---|---|
| I-Austenitic | 304, 316 | Ukhuseleko oluhle kakhulu lokugqwala, olungenamagnethi, olulula ukwenziwa | Imizi-mveliso, abathengi, ukucubungula ukutya |
| Duplex | 2205, 2507 | Amandla aphezulu, uxinzelelo lwe-corrosion resistance | Ukususwa kwetyuwa, amaqonga eoyile aselunxwemeni |
| IsiFerritic | 430, 446 | I-Magnetic, ukumelana kakuhle ne-oxidation | I-Automotive trim, izixhobo zombane |
| IMartensitic | 410, 420 | Ubunzima obuphezulu, ukumelana nokunxiba | Cutlery, izixhobo zotyando |
| Imvula-Yenziwe lukhuni | 17-4 PH | Amandla aphezulu kakhulu, ukumelana nokugqwala okuphakathi | I-Aerospace, izixhobo zokhuselo |
Ii-Alloys zeBronze kunye neCopper: Amandla kunye neNzuzo
Eli shishini lisebenzisa ii-alloy zebronzi kunye necopper kuba amandla azo angaqhelekanga kunye nokusetyenziswa kwazo okwahlukeneyo kufezekisa iimfuno ezininzi zoshishino zanamhlanje. Ii-alloy eziqulathe ubhedu ikakhulu ziphuhlisa iipropati zazo eziphezulu ngokusebenzisa ubungakanani obahlukeneyo be-tin kunye nezinye izinto. Ezi zinto zigcina ulungelelwaniso lwazo phantsi kweemfuno zemisebenzi yaselwandle kunye nezixhobo zoshishino kunye neenkqubo zombane eziphambili.
Iindlela zamva nje zokukhangela zibonisa ukwanda kwamanani amabini kumdla wabasebenzisi malunga nendlela esebenza ngayo i-bronze kunye ne-copper alloys kubuchwepheshe obuzinzileyo. Le teknoloji isebenza ngokuthembekileyo kwiinkqubo zamandla avuselelekayo ezibandakanya zombini ii-wind turbines kunye neeseli ze-photovoltaic kuba ezi nkqubo zifuna ukuhanjiswa kwamandla okuthembekileyo. Iziphumo zokukhangela "ukusebenziseka kwakhona kwe-copper alloys" zibonisa ukuba abantu bayaqonda ukuba ezi zinto zinokuphinda zisetyenziswe ngokungenamda ngaphandle kokulahlekelwa kukusebenza okuxhasa iindlela zoqoqosho olujikelezayo ngelixa kunciphisa iziphumo zokusingqongileyo. Ezi zinto zigcina amandla azo kunye luncedo kuzo zonke iimeko zokusetyenziswa ezikhoyo nezintsha.
Iipropati eziphambili zeeNsimbi zeShishini
Amandla kunye nokuqina kwizicelo zokusebenza okuphezulu
Iintsimbi zoshishino, ingakumbi intsimbi kunye nee-alloys ze-titanium kunye nezinto ezisekwe kubhedu, zineempawu zobunjineli ukubonelela ngamandla angaqhelekanga kunye nokuqina kwizicelo zazo ezininzi zoshishino. Idatha yakutshanje yokukhangela ibonisa ukuba abaphandi ngoku baphanda indlela uphuhliso lwe-metallurgical oluchaphazela ngayo ukuphuculwa kokusebenza. Amagama okukhangela athi "ii-alloys ezinamandla aphezulu ze-aerospace" kunye "nezinto ezihlala ixesha elide zeendawo ezixineneyo" abonisa ukuba abathengi bafuna izinto ezinokunyamezela uxinzelelo oluphezulu kunye notshintsho olukhulu lobushushu kunye neendawo ezingcolisayo.
I-metallurgy ephucukileyo ivumele ukudalwa kwee-alloys ezikhaphukhaphu kodwa ezomeleleyo kakhulu, ezisombulula zombini iimfuno zokusebenza kunye neemfuno zokusebenza kakuhle. Ukongezwa kwe-vanadium okanye i-manganese kwintsimbi kudala izinto ezibonisa amandla okutyhafa aphuculweyo kunye nokumelana nempembelelo, nto leyo eyenza ukuba zifaneleke kwiimoto nakwizakhiwo. Ishishini leenqwelo-moya lisebenzisa ii-alloys ze-titanium kuba zibonelela ngomlinganiselo ongcono wamandla-kubunzima kunye nokumelana nokudinwa ngexesha lokulayisha ngebhayisikile.
Uphando lwangoku lwezinto ezibonakalayo lugxile ekufundeni indlela izinto ezigcina ngayo uzinzo lwazo ngexesha elide lokusebenza, nto leyo echaza ukusetyenziswa okwandayo "kokumelana nokudinwa okuphuculweyo kwizinto zesinyithi" njengegama lophando. Ishishini lokwakha ngoku ligxile kwizakhiwo zokwakha ezihlala zinjalo ubomi bazo bonke benkonzo. Iintsimbi zoshishino zigcina iimpawu zazo zoomatshini ngokusebenzisa iindlela eziphambili, ezibandakanya unyango lobushushu kunye nobunjineli bomphezulu, phantsi kweemeko zokusebenza eziqatha. Ezi ndlela ziqhuba ukuqhubela phambili kumashishini axhomekeke kwizixhobo ezinezakhono zokusebenza ezibalaseleyo.
Ukuchasana nokuMhlwa kunye nokuqwalaselwa kokusiNgqongileyo
Imfuneko yokuba izinto zibonise ukumelana nokugqwala kuba zilawula amandla azo okusebenza kwiindawo apho amalungu azo achaphazeleka kakhulu ziikhemikhali kunye notshintsho olukhulu lobushushu kunye nokuchatshazelwa ngamanzi. Izazinzulu zenze izinto eziphambili ngomsebenzi wazo wobunjineli ukuvelisa ii-alloys kunye neengubo zomphezulu ezinciphisa ngempumelelo amazinga okugqwala kwesinyithi, nto leyo eyandisa ixesha lokusebenza kwezixhobo. Ii-alloys zentsimbi engenasici kunye ne-aluminium zisebenzisa iileya ze-oxide ezikhuselayo ukufezekisa ukhuseleko oluhle kakhulu lwe-oxidation, nto leyo iingubo ze-polymer kunye neenkqubo ze-anodization ezenza zibe namandla ngakumbi.
Ukubaluleka okwandayo kwezinto ezikwimo yendalo ngoku kukhokelela amashishini ukuba akhethe izinto ezimelana nokugqwala ngelixa ezalisekisa iimfuno zawo zokhuseleko lokusingqongileyo kunye neenjongo zawo zokuzinza. Iindlela zokufaka i-electroplating ezinobuhlobo nokusingqongileyo kunye nezisombululo zokugquma ezingenayo i-chromium zenza iindlela ezintsha zamashishini zokunciphisa impembelelo yazo kwimo yendalo. Iziphumo zophando lwakutshanje zibonisa ukuba abavelisi ngoku bakhetha izinto ezibonelela ngokuphinda zisetyenziswe kwakhona kwaye zigcina ukuthembeka kwazo ngemijikelo emininzi yokusetyenziswa kwakhona, nto leyo ebonisa utshintsho kushishino oluya ekuphuhliseni izinto ezifanelekileyo kuqoqosho olujikelezayo. Izinto ezikhoyo zibonelela imibutho ngezisombululo zokuzinza ezibenza bakwazi ukuhlangabezana neemfuno zabo zokusebenza kunye noxanduva lwabo lwendalo lwamazwe ngamazwe.
I-Thermal kunye ne-Electric Conductivity
Ukuqhuba ubushushu kunye nombane kwezinto kusebenza njengeempawu ezibalulekileyo ezimisela ukufaneleka kwazo kwiindlela ezahlukeneyo zoshishino kunye nobuchwepheshe. Izazinzulu zophando okwangoku zibonisa umdla okhulayo wophando kwizinto ezine-conductivity ephezulu yobushushu kunye ne-conductivity enamandla yombane kuba ezi zinto zibalulekile ekuphuhliseni izixhobo ze-elektroniki eziphambili kunye neenkqubo zamandla. Ukusebenza okugqwesileyo kwe-graphene, i-copper, kunye nesilivere kuzenza zibe zezona zinto zifanelekileyo kuzo zombini izicelo ze-conductivity yobushushu kunye nombane.
Abantu babuza ukuba zeziphi izinto ezinokufezekiswa kakuhle kombane kunye nobushushu ngelixa zihlala zizinzile ngokweendlela ezikhoyo. Izisombululo ezisebenzayo zisebenzisa inkqubela phambili eyenziwe kwi-nanotechnology kunye nophuhliso lwesayensi yezinto. I-Graphene inika iingenelo ezimbini eziphambili kuba inika ubushushu kunye nombane ogqwesileyo, ngelixa imveliso yayo ngokusebenzisa izixhobo ezivuselelekayo ezisekwe kwikhabhoni ixhasa uzinzo lokusingqongileyo. Izinto ezintsha ezidityanisiweyo eziphuhliswe ngabaphandi ngokudityaniswa kweepolymers eziqhubayo kunye nee-nanoparticles zesinyithi zivumela ukudalwa kwezinto abaphandi abanokuzilungisa ukuze bahlangabezane neemfuno zabo ezithile zokhuseleko lokusingqongileyo. Iziphumo zibonisa ukuba eli shishini lisebenzisa izixhobo ezibonelela ngokusebenza kakuhle, ukusebenza okuthembekileyo, kunye nokukhuselwa kokusingqongileyo.
▸ Iimpawu eziphambili zeentsimbi ezisebenza kakuhle
| Isinyithi / ingxubevange | amandla | Nokumelana Resistance | Ukuzinza kobushushu | Usetyenziso oluphambili |
|---|---|---|---|---|
| I-Titanium Alloy | Phezulu kakhulu | Zintle | phezulu | I-Aerospace, unyango |
| I-Nickel Superalloy | ezizodwa | Phezulu kakhulu | ezizodwa | Iinjini zeJet, ukuveliswa kwamandla |
| Intsimbi engatyiwa (316) | phezulu | Zintle | Phakathi–Phakamileyo | Iikhemikhali, ukutya, ezonyango |
| aluminiyam | Phakathi–Phakamileyo | Kulungile | Phakathi | Iimoto, i-aerospace |
| Ubhedu / Ubhedu | Phakathi | Kakuhle kakhulu | Phakathi | Amandla ombane, olwandle, avuselelekayo |
| Intsimbi yeCarbon ephantsi | Phakathi | Iphantsi (ngaphandle kokwaleka) | Phakathi | Ukwakhiwa, izakhiwo |
Ukusetyenziswa kweeNsimbi eziSebenza ngokuPhezulu
Izicelo zeenqwelo-moya: Ukhetho lwezinto ezisetyenziswayo zoKhuseleko kunye nokusebenza kakuhle
Iiprojekthi zeenqwelo-moya zifuna iintsimbi ezisebenza kakuhle kuba iinjineli kufuneka zenze iinkqubo ezikhuselekileyo ezihlala ixesha elide ubomi bazo bonke ngelixa zigcina ubunzima bazo buphantsi. Iinjineli zikhetha ii-alloys eziphambili eziquka i-titanium kunye ne-aluminium-lithium kunye ne-nickel-based superalloys kuba ezi zinto zibonelela ngokusebenza okugqwesileyo kokuqina ukuya kobunzima kwaye zikhusela ekungcoleni ngelixa zinyamezela iimeko zobushushu obuphezulu. Ezi mpawu zibalulekile kwizakhiwo ze-fuselage kunye nezixhobo ze-jet engine kunye nezixhobo ze-landing kuba izixhobo zazo kufuneka zihlale zithembekile ngamaxesha onke.
Uphando lwangoku lubonisa ukuba uphuhliso lwezinto ngoku lugxile ekudaleni izisombululo ezixutyiweyo ezisebenzisa isinyithi kunye nezinto ezidityanisiweyo ukuvelisa iziphumo zokusebenza ezingcono. Iinjineli zisebenzisa i-titanium kwiinjini zejethi ngelixa zisebenzisa ii-fan blades ze-carbon fiber composite ukuze zinciphise ubunzima ngaphandle kokuchaphazela uzinzo lobushushu. Intsimi yokwenziwa kwezinto ezongeziweyo okanye ukuprinta kwe-3D yenze inkqubela phambili ngokuphuhlisa iindlela ezenza iindawo zeenqwelo moya ezidibanisa uyilo olukhaphukhaphu kunye nokuchaneka okukhulu kwemveliso. Ishishini lisebenza ngokuzinzileyo nangokufanelekileyo kuba olu phuhliso lobuchwephesha lunciphisa inkunkuma yezinto kwaye lufinyeza amaxesha emveliso.
Ishishini leeMoto: Uphuhliso ekuSetyenzisweni kweAlloy
Ishishini leemoto liphumelele inkqubela phambili enkulu ngokusebenzisa ukuphuculwa kokusetyenziswa kwe-alloy ejolise ekunciphiseni ubunzima bezithuthi ngelixa liphucula ukusebenza kwezithuthi. Ukuveliswa kwezithuthi zanamhlanje ngoku kuxhomekeke kwi-alloys ezikhaphukhaphu ezinamandla aphezulu ezibandakanya i-aluminium kunye ne-magnesium kuba ezi zinto zivumela iinjineli ukunciphisa ubunzima bezithuthi ngelixa zigcina amandla afunekayo olwakhiwo. Iinjineli zisebenzisa i-alloys ze-aluminium ukwenza izinto zenjini kunye namavili kunye neephaneli zomzimba kuba ezi zinto zibonelela ngokumelana nokugqwala okuphezulu kunye nokusebenza kakuhle kwepetroli. I-alloys ze-magnesium ezineempawu zazo ezikhaphukhaphu kodwa ezomeleleyo ziye zaxhaphaka ngakumbi ekusetyenzisweni kwangaphakathi nakwesakhiwo nangona zibiza kakhulu kwaye zinotyekelo lokugqwala.
Uphuhliso lwakutshanje kwisayensi yezinto eziphathekayo kunye neendlela zokucubungula ludale amathuba amatsha okusebenzisa ii-alloys eziphambili kwizicelo zobunjineli beemoto. Iinjineli zeenqwelo-moya zihlola ii-alloys ze-titanium ngenxa yokwehla kweendleko zazo zemveliso ezivumela ukusetyenziswa kwazo kwizicelo ezikhethekileyo zezithuthi zodidi oluphezulu kunye nezithuthi zokusebenza. Ezi zixhobo zivumela ukunciphisa ubunzima ngelixa zenza izinto ezinokujongana noxinzelelo olukhulu ezenza zifaneleke ukusetyenziswa kwiinkqubo zokusebenza okuphezulu. Inkqubo yokuvelisa i-alloy, ephuhlisa iintsimbi ze-boron zezixhobo ezibalulekileyo kukhuseleko ngokusebenzisa izicelo zokuqinisa ulwakhiwo, idala izisombululo eziphucula amandla okusebenza ngelixa zikhusela ukhuseleko lomqhubi.
Iziphumo zeenjini zokukhangela zibonisa ukuba kukho isidingo esikhulayo see-alloys ezisetyenziswa ngokutsha ezixhasa iinjongo zokuzinza kwihlabathi liphela. Ishishini leemoto ngoku lifuna umxholo we-aluminium osetyenziswa ngokutsha njengezinto eziqhelekileyo kuba linceda ekunciphiseni ukukhutshwa kwekhabhoni iyonke kulo lonke ixesha lezithuthi. Ishishini leemoto kufuneka liphuhlise ii-alloys ezintsha kuba izithuthi zombane (ii-EV) zifuna indawo yazo yokuhlala yebhetri kunye neenkqubo zolawulo lobushushu ukuze zisebenzise izixhobo ezikhaphukhaphu ezibonelela ngokuhanjiswa kobushushu. Uphando lubonisa ukuba uphando lwe-alloy lusebenza njengesisombululo esiphambili kwiimfuno zobunjineli bezithuthi zanamhlanje.
Ulwakhiwo kunye neZiseko zoPhuhliso: Indima yeNtsimbi eKhabhoni ephantsi
Ishishini lokwakha lifuna intsimbi ekhabhoni ephantsi kuba inika indibaniselwano yokusebenza okuqinileyo kwesakhiwo kunye neendleko ezifikelelekayo. Iziphumo zamva nje zibonisa ukuba intsimbi ekhabhoni ephantsi yenza inxalenye enkulu yezixhobo ezisetyenziswa ekwakheni iibhulorho kunye nophuhliso lwezakhiwo eziphakamileyo kunye neziseko zothutho kuba imfuno yehlabathi jikelele yezi zinto iya kwanda njengoko iindawo zasezidolophini zikhula. Ezi zinto zibonisa ukuguguleka okuphezulu ngenxa yomxholo wazo wekhabhoni ohlala ungaphantsi kwe-0.25% ngaloo ndlela kuvumela ukudityaniswa nokuphathwa okulula ngelixa izinto zigcina iimpawu zazo zesakhiwo.
Imizamo yophuhliso oluzinzileyo ifumana inkxaso kwimveliso yentsimbi ekhabhoni ephantsi kuba iindlela zemveliso yentsimbi zanamhlanje zizama ukunciphisa ukukhutshwa kwegesi ebangela ukugquma komhlaba okubangelwa ziinkqubo zazo zemveliso. Indlela yokucubungula i-electric arc furnace (EAF) ngoku isebenzisa ubuchwepheshe obuphambili ukuvelisa izixhobo ezinobuhlobo nokusingqongileyo ngenkqubo yabo entsha yokudibanisa isinyithi esilahliweyo esisetyenzisiweyo. Ishishini lokwakha linokufezekisa injongo yalo yokunciphisa ukukhutshwa kwegesi kulo lonke ixesha lokwenziwa kweprojekthi ngokusebenzisa intsimbi ekhabhoni ephantsi ehlangabezana nazo zonke iimfuno zoomatshini kunye nolwakhiwo lweeprojekthi ezinzima. Ezi zinto zigcina ukubaluleka kwazo kwishishini lokwakha kuba zinokuhlangabezana neemfuno ezimiselweyo kunye neemfuno zokwakha ezizayo.
▸ Iintsimbi Ezisebenza Kakhulu KumaShishini Onke
| ishishini | Isinyithi (iintsimbi) esikhethwayo | Icandelo elibalulekileyo | Imfuneko ephambili |
|---|---|---|---|
| I-Aerospace | I-Titanium, ii-alloys ze-Al-Li, ii-superalloys ze-nickel | I-Fuselage, ii-jet engine, izixhobo zokufika | Amandla aphezulu ukuya kobunzima, ukumelana nobushushu |
| Automotive | I-aluminium, i-magnesium, intsimbi ye-boron | Iiphaneli zomzimba, indawo yebhetri, itshasi | Ukukhanya, ukuqhuba ubushushu (ii-EV) |
| ukwakhiwa | Isinyithi sekhabhoni esezantsi | Iibhulorho, izakhiwo eziphakamileyo, uthungelwano lwezothutho | Ukungaguquguquki, ukuwelda, ukukhutshwa okuphantsi komoya |
| Ukhathalelo lwempilo | Intsimbi engenasici (316L), ititanium | Izixhobo zotyando, izifakelo | Ukuhambelana kwezinto eziphilayo, ukumelana nokubulala iintsholongwane |
| Umoya ovuselelekayo | Iingxube zekopolo, ubhedu | Iiturbine zomoya, iiseli ze-photovoltaic | Ukuqhuba kombane, ukuphinde kusetyenziswe kwakhona |
Iindlela Zokucubungula Iintsimbi Ezisebenza Kakhulu
Iindlela zokuCwangcisa kunye nokuNyula i-Alloy
Iimpawu zoomatshini kunye nokusebenza kwesakhiwo seentsimbi ezisebenza kakhulu kuxhomekeke kwiindlela zokucubungula i-alloy kunye nokuqhoboshela ezisetyenziswa zizazinzulu ukwenza iziphumo ezithile. Ukucubungula i-alloy kuqala ngokudityaniswa ngokuchanekileyo kweentsimbi ezisisiseko kunye nezinto eziqhoboshela ezivelisa ulwakhiwo olufunekayo. I-matrix yezinto ifuna iindlela eziphambili ezisebenzisa ukunyibilikisa i-vacuum induction (VIM) kunye ne-powder metallurgy ukuseka ukusasazwa kwezinto kunye nokunciphisa ukungcola kwezinto.
Inkqubo yonyango lobushushu lokutsalwa kwe-annealing isebenza njengendlela ephambili ephucula ulwakhiwo lwe-microstructure yee-alloys. Uphando lwakutshanje lubonisa ukuba imijikelo yokufudumeza kancinci kunye nokulawula ukupholisa inciphisa ngempumelelo uxinzelelo lwangaphakathi oluphucula ukuguquguquka kwaye lubuyisele ulwakhiwo lwekristale ye-alloy. Icandelo lemizi-mveliso lisebenzisa iindlela zokutsalwa kwe-isothermal kunye neendlela zokutsalwa okuqhubekayo ukuze kufezekiswe ubungakanani obufanelekileyo bengqolowa obuphucula ukusebenza kwezinto ngexesha leemeko zokusebenza ezinzima.
Ukudityaniswa kwezi ndlela kunye nobuchwepheshe obuqhutywa yidatha, obuquka ukubeka esweni okusekwe kwi-AI kunye nezixhobo zokulinganisa, kwenza kube lula ukulawula ngokuchanekileyo utshintsho lwesigaba ngelixa kuqikelelwa iziphumo zokusebenza. Idatha yokukhangela ibonisa ukuba iindlela ezizinzileyo ze-metallurgical ziye zathandwa kakhulu nto leyo edala isidingo sokuphuhlisa iinkqubo ezifezekisa ukusebenza kakuhle kwamandla kunye nokunciphisa ukukhutshwa komoya ngelixa zigcina ukusebenza kwe-alloy okuphambili.
Iinkcukacha ezenziwe ngokwezifiso zezicelo ezizodwa
Inkqubo yokwenza iinkcukacha zezinto ezenziwe ngokwezifiso ifuna ulwazi olupheleleyo malunga neemfuno ezithile zesicelo kunye nophuhliso lwetekhnoloji oluzayo. Idatha yokukhangela ibonisa umkhwa okhulayo apho amashishini akhethekileyo afuna izisombululo zesinyithi ezenzelwe wena kumacandelo afana nobunjineli beenqwelo moya kunye nobunjineli bezonyango kunye namashishini avuselelekayo. Ukudibana kweenkqubo zokuphucula eziqhutywa yi-AI kunye neendlela ezichanekileyo zobunjineli besinyithi kwenza ukuba kudalwe ii-alloys kunye nee-composites ezineempawu ezikhethekileyo ezifunekayo ukumelana neemeko zoxinzelelo oluphezulu kunye neemeko zobushushu obugqithisileyo kunye nokuhlaselwa ngamakhemikhali. Le ndlela inika iziphumo zokusebenza ezingcono ngelixa ifezekisa uzinzo oluhlala luhleli ngokunciphisa inkunkuma yezinto kunye nokususa iinkqubo zokuphinda usebenzise amandla ezifuna amandla.
Utshintsho kwiTekhnoloji yokuCwangcisa iMetal
Uphuhliso lwetekhnoloji entsha yokucubungula isinyithi lubangelwe kukudibana kophando lwesayensi oluphambili kunye neenkqubo zokusebenza eziqhutywa yidatha ezikhupha ulwazi lobunjineli kwimithombo yedatha ekhoyo. Ukwaziswa kokwenziwa kwezinto ezongeziweyo kunye ne-laser-assisted cold spray kunye ne-directed energy deposition kudale iindlela ezintsha zokubumba iintsimbi kunye nokuphuhlisa iimpawu zazo. Ukwenziwa kwezinto ezongeziweyo kuvumela ukuveliswa kwejometri ezintsonkothileyo ngenkqubo yayo yokuvelisa iileya ngeeleya efikelela ekuchanekeni okuphezulu kunye nokusebenza kakuhle kwezinto. Inkqubo ye-LACS ibonelela ngendlela entsha yokusebenzisa izinto zokukhusela ezisebenza kumanqanaba aphantsi obushushu ukukhusela isakhiwo sesinyithi esingaphantsi komonakalo wobushushu.
Ukudityaniswa kweendlela zohlalutyo lwedatha kunye ne-algorithms yokufunda koomatshini kunye neenkqubo zokuqaphela iipateni ezisetyenziswa ngamaqonga afana neenjini zokukhangela kwenza kube lula ukulawula ngokupheleleyo iiparameter zokucubungula. Iinjineli zinokuphucula iinkqubo zemveliso ngokusebenzisa ubuchule bazo bobunjineli obuzivumela ukuba zisebenzise izixhobo zokubala ukuphucula iinkqubo zokupholisa kunye nokulungisa izinto ze-alloy kunye nokulawula ukuhamba kwamandla kwiinkqubo ze-laser. Ukudityaniswa kohlalutyo lwedatha kunye neendlela zokucubungula isinyithi kudala isisombululo sokuvelisa esizinzileyo esihlangabezana neemfuno zoshishino zanamhlanje.
▸ Iiteknoloji zokuCwangcisa iMetal ezisakhasayo
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Imibuzo ebuzwa qho
Q.
Zeziphi iimpawu ze-alloy ezichonga ukumelana nobushushu?
Ukumelana nobushushu be-alloy kuxhomekeka kukwakheka kwayo kunye nokuzinza kwesigaba kunye nokukwazi kwayo ukunyamezela ukuqhekeka kobushushu obuphezulu. Ingcali yesinyithi iya kuvavanya ukwakheka kwe-alloy eyahlukeneyo equka i-tungsten kunye ne-chrome ukuze ifezekise ukusebenza okuphezulu kubushushu obuphezulu. Inkqubo yovavanyo ibandakanya uvavanyo ngokusebenzisa uvavanyo lokuxinana kunye nokuqhekeka oluchonga ukuqina kunye nokuzinza kwexesha elide. Ukugcinwa kwamandla esinyithi kubushushu obuphezulu kuxhomekeke kukwakheka kwezinto zayo kunye neendlela ezisetyenziselwa ukuphosa kunye nokulawula ukutsalwa. Abavelisi be-elektroniki kunye neenjineli zeenqwelo-moya bakhetha izixhobo ezibonelela ngokumelana nobushushu okuphezulu ngelixa zigcina ukuhanjiswa kombane kunye nokulula kwemveliso.
Q.
Iyintoni impembelelo ekusetyenzisweni kwesinyithi kumandla ezinto zokwakha?
Ukucubungula isinyithi okubandakanya ukusebenza ngokubandayo, ukubumba, ukuphosa, kunye nonyango lobushushu olufana ne-anneal kuzisa utshintsho olukhulu kwisakhiwo sesinyithi esikhokelela kumanqanaba ahlukeneyo amandla kunye nokuqina. Ulawulo lobuchwephesha lweeparamitha zokucubungula lukuvumela ukuba uphuhlise iipropati ze-alloy ezenzelwe wena ezibonelela ngeziphumo zokusebenza ezingcono kwizicelo zesakhiwo kunye nokusetyenziswa okuphezulu. Iingcali zeMetallurgists ezinolwazi olubanzi malunga nokusebenza kwemisebenzi yokucubungula izinto zinceda iinkampani zikhethe iindlela ezifanelekileyo zokucubungula ukwenza iimveliso zazo ngelixa zinciphisa iingxaki zokulawula umgangatho. Ukuqinisa umsebenzi kusebenza njengendlela esebenzayo yokuphucula amandla, ngelixa imijikelo ye-anneal ibuyisela ukuguquguquka emva kokwenziwa kwesinyithi. Ukukhethwa kweendlela ezifanelekileyo zokucubungula kubonisa icandelo elinye lenkqubo ebanzi eqinisekisa ukuveliswa kwamacandelo aneempawu ezihambelanayo nezithembekileyo.
Q.
Kunini apho i-aluminium bronze inokuba yintsimbi efanelekileyo xa ndiyisebenzisa?
Kuya kufuneka ukhethe i-aluminium bronze kwisicelo sakho xa iprojekthi yakho ifuna izinto ezinokumelana nokugqwala kunye nokonakala kunye nempembelelo. Ezi zinto zibonelela ngeenzuzo ezimbini zamandla kunye nokukhuselwa ekugqwaleni okwenza ukuba zifaneleke ukusetyenziswa kwiindawo zaselwandle nakwimizi-mveliso. Ezi zinto zisebenza ngokufanelekileyo njengeebheringi kunye nee-bushings kuba zinokumelana nokurhawuzelelwa kunye nokukrazulwa ngelixa zibonelela ngokusebenza okuphezulu komthwalo. Umboniso wepropathi ufuna yonke imisebenzi yokukhetha izinto ukuze ichonge zombini izinto ezithile ze-alloy kunye neenkqubo zazo zonyango lobushushu ezifunekayo eziya kufezekisa iimpawu ezifanelekileyo zezinto. Iingenelo ezisebenzayo ze-aluminium bronze zenza ukuba zifaneleke kwimisebenzi yokusebenza kwesinyithi kunye nokuphosa kuba zibonelela ngomatshini ongcono kunezinye ii-alloys ezininzi ezisebenzayo. Ingcali yesinyithi kufuneka ivavanye iimeko zokusebenza kwecandelo lakho ukuze ibone ukuba i-aluminium bronze iyahlangabezana neemfuno zakho zezinto zakho.
Q.
Zeziphi iindlela ezichaza isinyithi esifanelekileyo kwizicelo zeenqwelo moya?
Ukukhethwa kweenqwelo-moya kufuna izixhobo ezihlangabezana neemfuno ezintathu eziphambili eziquka ukufikelela kumlinganiselo ophezulu wokuqina nobunzima kunye nokubonisa ukumelana nokudinwa ngelixa kuhlangatyezwana nayo yonke imigangatho echaziweyo. Abayili beenqwelo-moya bakhetha ii-alloys ezisebenzayo eziphezulu ezibandakanya amanqanaba athile entsimbi engagqwaliyo kunye ne-titanium kunye ne-aluminium okanye i-copper alloys ethile kuba ezi zinto zidibanisa ubunzima obuphantsi kunye nezakhono ezinkulu. Abayili bavavanya ukhetho lwezinto eziluhlaza kunye neenkqubo zemveliso kunye nezakhono zobugcisa ezifunekayo ekusebenzeni ngokuchanekileyo kwesinyithi kunye nemisebenzi yokusika. Izixhobo ze-elektroniki zeenqwelo-moya kunye nezixhobo zifuna izixhobo ezibonelela ngeempawu zokusebenza ezihambelanayo zobushushu kunye nezombane. Indlela epheleleyo yesikhokelo equka ingcali yesinyithi iqinisekisa ukuba izinto ezikhethiweyo zibonelela ngexabiso elifunekayo ngelixa zibonelela ngokusebenza okugqwesileyo kuyo yonke ijikelezo lobomi bayo.
Q.
Iimetali okanye ii-alloys ze-elektroniki zahluke njani kwiimetali zesakhiwo?
Izinto ze-elektroniki zifuna iintsimbi ezibonelela ngombane osebenza kakuhle kunye nolawulo olusebenzayo lobushushu kunye nezinto ezinokusebenza ngokufanelekileyo nazo zonke izinto ze-elektroniki. Inkqubo yokukhetha izinto kwezi zicelo ikhokelela ekusebenziseni i-copper kunye nee-aluminium alloys ezithile kunye neengubo zazo ezikhethekileyo. Ukhetho olufanelekileyo lwesinyithi kwizicelo ze-elektroniki ezisebenzayo lufuna ukukhetha i-alloy ebonelela ngokwandiswa kobushushu obuphantsi kunye nokukwazi ukunyibilikisa i-solder. Ishishini le-elektroniki lifuna izisombululo zezinto ezifuna ukuvavanya ubumsulwa bezinto kunye nokugqitywa komphezulu kunye neendlela zemveliso ukuseka iinkqubo zokuhlanganisa ezikhuselekileyo. Iinkcukacha zobugcisa zihlala zichaza izinto ezivumelekileyo kunye nembali yokucubungula ukugcina ukuziphatha kombane okuzinzileyo. Abavelisi basebenzisana neengcali zesinyithi ukuphuhlisa izinto eziza kufezekisa iinjongo zokusebenza kombane kunye neemfuno zemveliso ezisebenzayo.
Q.
Iyiphi indima edlalwa yingcali yesinyithi ekukhetheni izinto ezikrwada kunye neenkcukacha?
Ingcali yesinyithi isebenzisa ubuchule bayo ukuguqula iimfuno zesicelo zibe zizisombululo zezinto, nto leyo ayenzayo ngokubonelela ngesikhokelo malunga nokukhetha i-alloy, iindlela zokucubungula kunye nemida yeenkcukacha eziya kuvelisa iimpawu ezithile zezinto ezifana nokuqina kunye nokumelana nokugqwala. Bavavanya izinto eziluhlaza, bacebise ukwakheka kwe-alloy ethile—njengokongeza i-chrome okanye i-tungsten—kwaye bacebise iindlela zokucubungula ezibandakanya ukuphoswa kunye nonyango lobushushu ukuze kufezekiswe ukusebenza okujoliswe kuko. Isikhokelo sabo sobuchwephesha sinceda ukulinganisa ixabiso ngovavanyo lweendleko kunye novavanyo lwamandla okuvelisa kunye novavanyo lokuqina kwemveliso ngokuhamba kwexesha. Ingcali yesinyithi inika inkxaso efunekayo yokukhetha izinto enceda ukuvavanya izinto ezinobungozi kunye nokuqinisekisa ukuthotyelwa kwemithetho ngexesha lezicelo zesiko ezinzima. Ingcali imisela ukhetho olusebenzayo oluhlangabezana nazo zonke iimfuno zobugcisa zesikhokelo seprojekthi yonke.
Imithombo yoReferensi
"Incwadi yesalathiso se-ASM Metals"
Le ngxelo ibanzi inika ulwazi oluneenkcukacha ngeesinyithi, iimpawu zazo, kunye nokusetyenziswa kwazo.
“Incwadi yesalathiso seSmithells Metals”
Isikhokelo esithembekileyo esibonelela ngedatha ebanzi malunga neempawu kunye nokusetyenziswa kweentsimbi ezahlukeneyo.
“Iintsimbi Ezinzima—Inkqubela-phambili kuPhando nasekuSetyenzisweni: Uhlelo luka-2013”
Le ncwadi iqokelela uphando olusemthethweni malunga neentsimbi ezinzima, igxile ekuphuhliseni nasekusetyenzisweni kwazo.
