Idabi lamandla: iTitanium vs iStainless Steel-Yeyiphi eyomeleleyo?

Ngokuphathelele ukuqina kunye nokulula kokusetyenziswa kwezinto, ingakumbi xa kufikwa kwi-titanium kunye nentsimbi engagqwaliyo, ziphakathi kwezinto ezikhethwa kakhulu ngabantu abaninzi. Ukusetyenziswa kwezi zinyithi kwicandelo lobunjineli kubaluleke kakhulu kangangokuba nemizi-mveliso eqhelekileyo yokuvelisa, efana neenqwelo-moya, amayeza, ulwakhiwo, kunye neempahla zabathengi, ichazwe ngokutsha. Nangona kunjalo, umbuzo uhlala uphakama - zeziphi izinto ezinamandla ngokwenene xa kufikwa kumandla omzimba? Eli nqaku liqhubeka kwaye lithetha nge -titanium vs intsimbi engagqwaliyo ukusuka kwinqanaba lothelekiso lwamandla, kunye neepropati zomzimba, ukusetyenziswa kunye nokusebenza phantsi kweemeko ezithile kuhlalutywe. Ukuba ungunjineli wezinto, umphathi wemveliso okanye umntu nje onomdla kwiintsimbi ezingaqhelekanga, qhubeka ufunda kwaye ube nolwazi oluneenkcukacha ngakumbi ngaloo ntsimbi inamandla. Uza kubona ukuba sithetha ukuthini xa sithetha ngezinto ezilungileyo, iingxaki zazo, kunye noko kwahlula enye kwenye.

Ziziphi iimpawu eziphambili zeTitanium?

Ngenxa yokuba ilula, inamandla aphezulu kwaye iyamelana nokugqwala kunye namaqondo obushushu aphezulu, i-titanium ithathwa njengesinyithi 'esimangalisayo'. Iimpawu eziphambili zesinyithi esikhankanyiweyo zezi zilandelayo:

• Amandla ezinto eziphathekayo kumlinganiselo wobunzima: I-Titanium yanele ukubhengeza isinyithi njengesixhobo esinamandla amakhulu ukuya kubunzima bomlinganiselo wokusetyenziswa kwi-aerospace kunye nothutho. Kukwayinto eyaziwayo ukuba izinto eziphathekayo ziyakwazi ukumelana neendawo ezinobungozi ezifana neekhemikhali, amanzi olwandle kunye nezinye iindawo ezisingqongileyo ezinobunzima ngenxa yoko zenza ukuba zilungele ukwakhiwa okanye kumashishini eemoto.
• I-Corrosion Resistance: Ikhusela umhlwa xa ibekwe emanzini olwandle, iikhemikhali, okanye nayiphi na enye imozulu enzima.
• Ubume be-Biocompatible: Ayinatyhefu kwaye ayibizi nakuphi na inkxalabo okanye iziphumo ezibi ekusetyenzisweni okanye ekuvezweni, kwaye kungoko ukusetyenziswa kwayo kwizihlomelo zecandelo lezonyango kunqweneleka kakhulu.
• Indawo yokuNyibilika ePhezulu: Ekubeni yomelele, i-titanium iyakwazi ukumelana namaqondo obushushu amalunga ne-1,668 °C (3,034 °F).
• Uxinzelelo oluphantsi: Ngaphezu kwe-45% ubunzima bentsimbi, i-titanium inento ekhethekileyo yoxinaniso oluphantsi ngenxa yokuba namandla ayo aphezulu angezi ngexabiso elinzima.

Bonke aba nobumba benza i-titanium ibe sisinyithi esisetyenziswa ngokuqhelekileyo esifumana ukusetyenziswa kwiindawo ezininzi ezifana ne-aerospace, amayeza, kunye nobunjineli baselwandle.

Njani imveliso yamandla e-Titanium xa ithelekiswa?

Kwiimeko ezininzi, i-titanium ibonisa amandla esivuno esibalulekileyo ukusuka kwi-275 MPa ukuya kuthi ga kwi-275 MPa - 1200 MPa ngamabakala kunye nealloyi ethile ibe yeyona miba imiselweyo. Ngokomzekelo, i-titanium yorhwebo ecocekileyo ibonelela ngoluhlu lwamandla e-MPa lwe-275-450, ephantsi kakhulu kwizicelo ezibonisa uxinzelelo olukhulu kwiindawo ezinobungozi bokutyekela kwe-spring back kwezinye izinto ezifana nobhedu kunye ne-Cu-Ni. Kwelinye icala, imathiriyeli efana ne-Ti-6Al-4V ialloy iya kuphucula kakhulu amandla esivuno, ngamanani afikelela kwi-895 MPa okanye 26,235 psi kwaye mhlawumbi nangaphezulu, ngaphakathi kolungelelwaniso lwamandla-to-modulus olusebenzisekayo.

Xa kuthelekiswa nezinye izinto, i-titanium ibonisa iimpawu ezintle kakhulu zokuqina kobunzima. Nangona kukho iintsimbi ezithile kunye nee- aluminium alloys ezinamandla okutsalwa okuphezulu ezinokuba namandla afanayo okanye aphezulu kunee-titanium alloys, zifuna uxinano oluphezulu. Ke ngoko, i-titanium ikhethwa kwiinkalo ezininzi, njengakwishishini leenqwelo moya, apho amandla aphezulu afunekayo, nangona ubunzima obuphantsi yeyona njongo iphambili. Ngaphezu koko, i-titanium ikwasetyenziswa ngenxa yamandla ayo agqwesileyo okudinwa kunye nokukwazi kwayo ukugcina amanqanaba aphezulu ombane nokuba kumaqondo obushushu aphezulu. Konke oku kuvela kwinto yokuba isetyenziswa kakhulu kwizicelo zokusebenza okuphezulu kubunjineli.

Yintoni iReyishini yokuNqanda-kubunzima beTitanium?

Kubalulekile ukuqaphela ukuba phakathi kweempawu ezibalaseleyo ze-titanium kumlinganiselo wayo wamandla ukuya kubunzima, ngakumbi kwi-aerospace nakwezinye izicelo zemizi-mveliso. Amandla okutsalwa kwe-titanium aqala kwi-290 MPa ukuya kwi-1400 MPa nangaphezulu, kuxhomekeke kudidi kunye nokwakheka kwe-alloy. Oko kuthethiweyo, uxinano lwayo olumalunga ne-4.5 g/cm³, ngokubanzi, yimbangela yokuba yomelele kunezinye izinto, ezifana nentsimbi okanye ne-aluminium, ngokomzekelo. Ukuthelekisa idatha enjalo nentsimbi, umzekelo, isicelo se-alloy ye-Ti-6Al-4V esetyenziswa rhoqo siyanikezelwa, ebonelela ngokuphakama okucacileyo kwamandla kunye noxinano oluncitshisiweyo lwale nqanaba ye-titanium, malunga ne-950 MPa yamandla okutsalwa okugqibela anobunzima obuphantse bube sisiqingatha sentsimbi yodidi olwaziwa ngokuba yi-Ti-6Al-4V. Le yimbangela yokuba i-titanium isetyenziswa kwii-space shuttles nakwimveliso yeemoto zabakhweli, apho ubunzima obuphantsi kunye namandla aphezulu kubaluleke ngokulinganayo. Oku kuvumela uyilo olufanelekileyo apho ukusebenza kwandiswa ngelixa ukusetyenziswa kwezinto kugcinwa ubuncinci.

Njani iStainless Steel xa ithelekiswa neTitanium Material?

Liyinyaniso elokuba intsimbi engagqwaliyo kunye ne-titanium zizinto ezisetyenziswa kakhulu, kodwa zahluke kakhulu ngokubhekiselele kumandla, ubunzima, kunye nokumelana nokuqhekeka. Kumandla okuvelisa, xa kufuneka ukumelana nokuguqulwa okusisigxina phantsi komthwalo, kukho amandla okubuyisela, athi, ngokutsho koluvo, yintsimbi engagqwaliyo kuzo zombini iinkalo, malunga nokusetyenziswa kunye namandla okuvelisa. Kodwa ngokubhekiselele kumlinganiselo wamandla ukuya kubunzima, i-titanium iphambili kakhulu. Nangona ilula ngama-45% kunentsimbi engagqwaliyo , isaziwa kakuhle ngamandla ayo okutsalwa kunye nokuguquguquka.

Xa kuziwa ekuchaseni izinto zemozulu, insimbi engenasici ayinakuba yinto egqibeleleyo ngokuchasene ne-titanium. Enyanisweni, i-titanium ikhupha insimbi engenasici kwiimeko ezifana ne-salty okanye i-oxidized media ngenxa yobukho be-oxide coatings. Ngokwenxalenye yayo, insimbi engagqwali ixhathisa kakhulu kwi-corrosion kwiindawo ezininzi zemizi-mveliso kunye nezasekhaya, ngakumbi kumabakala okuqina afana ne-304 kunye ne-316, ekhubazekayo kwaye ayigugi.

Ekugqibeleni, ukhetho phakathi kwezinto ezimbini luya kusekelwe kwimfuneko yeprojekthi - nokuba kukho isidingo sokunciphisa ubunzima, ukunyuka kwamandla, okanye ukukhuselwa kwisenzo sokusingqongileyo. Amaxesha amaninzi, izicelo ezikumgangatho ophezulu zenziwa ngcono nge-titanium ngelixa ngokuchanekileyo ngenxa yokufumaneka kunye nexabiso eliphantsi lentsimbi engenasici ikhethwa.

Umahluko phakathi kweTitanium kunye neNtsimbi eNgatyiwayo

Inqaku eliphambili	Titanium	Yenziwe ngentsimbi eshayinayo
mninzi	Ikhaphukhaphu, ~4.5 g/cm³	Inzima, ~8 g/cm³
amandla	Umlinganiselo ophakamileyo wamandla ukuya kubunzima	Uqine High
Nokumelana Resistance	Ikhethekile kwiimeko ezinzima	Ilungile kodwa iyahluka ngokwebakala
Ukuqhuba Ukushisa	Phantsi (~21.9 W/m·K)	Phezulu (~50-60 W/m·K)
ukuqina	Ngaphantsi ngaphandle kwe-alloying	Iphezulu kumabakala amaninzi
Indawo yokunyibilika	~1,668°C	~1,510°C
Ukungqinelana	Zintle	Inokubangela ukusabela
ixabiso	eninzi	Okungabizi kakhulu
Iimpawu zeMagnetic	I-non-magnetic	Inokuba ngumagnethi (ixhomekeke kuhlobo)
Ukuweldability	Ifaka umceli-mngeni	Kulula ukuweld
izicelo	I-Aerospace, unyango, uxinzelelo oluphezulu	Ukwakhiwa, izixhobo zasekhitshini, iimoto

Ngaba iStainless Steel yomelele kuneTitanium?

Kukwayinto eqhelekileyo ukuba iipropathi zokuqina ze-titanium ziphezulu kakhulu xa kuthelekiswa namabakala amaninzi ensimbi engenasici. Amandla okuqina, okuyisakhono semathiriyeli ukumelana nokolulwa, kuqhelekile ukuba phezulu kakhulu kwi-titanium kunamabakala amaninzi entsimbi engatyiwayo. Ukwenza umzekelo, amandla okuqina engxubevange ye-titanium anokunyuka aye malunga ne-1400MPa, ngelixa intsimbi engenasici inokususela kwi-480 MPa ukuya kwi-1500 MPa, ngokuxhomekeke kwizinto ezihamba nazo, ezinamabakala aphezulu athambileyo njenge-duplex okanye i-martensitic steels esondela kuluhlu oluphezulu lwamaxabiso.

Nangona kunjalo, xa kuqwalaselwa ubunzima bezinto eziphathekayo, kwezinye iimeko, iintlobo zetsimbi ezingenasici, kunye nokongezwa kwezinto ezithile zokudibanisa, zinokufikelela amaxabiso obunzima obuphezulu kune-titanium. Ke, ngokwethiyori, intsimbi engatyiwayo iyamelana nokunxiba njengemikrwelo yomphezulu kunye nezibonda ngcono kunayo. Ngaphandle koko, intsimbi engatyiwa iqhelekile inokuqina okuhle nakwizithonga ezinamandla ngaphandle kokusilela kokuqina, okuluncedo kakhulu kwiimeko zomthwalo omkhulu.

Ufanele ukhethe nini iTitanium ngaphezu kwentsimbi engatyiwayo?

Umbuzo wokuqala kunye nowona uphambili apho zombini insimbi engenasici kunye ne-titanium iya kusombulula ingxaki yokunciphisa ubunzima xa iphendulwa - i-titanium yinto ekhethwa ngokucacileyo kuba umgudu ongaphezulu uyimfuneko ukufezekisa amandla afanayo njengentsimbi yesakhiwo, kwakhona i-titanium inomlinganiselo ophezulu wamandla-kuya-ubunzima, oluncedo kakhulu kubuchwepheshe be-aerospace, unyango, okanye izixhobo zemidlalo. Ngaphandle koko, inokumelana kakuhle nokubola, ngakumbi isinyithi, enokuthi isetyenziswe xa kukho imichiza okanye kwindawo enomhlwa efana namanzi etyuwa - yiyo loo nto inokusetyenziswa kwizixhobo ezikhethekileyo zaselwandle nakwimizi-mveliso yeekhemikhali, irabha, izakhiwo zentsimbi, njalo njalo. Ukongeza, ukuvunywa kwayo ukuba kusetyenziswe emzimbeni womntu kuthetha ukuba isetyenziswa njengento yokufakelwa. Ekugqibeleni, i-titanium iyakwazi ukuphatha ukushisa okuphezulu kakhulu, okuyimfuneko ekusebenzeni kweenjini ezishushu kunye neendawo ezikude zenkqubo yokukhupha. njl.

Loluphi uncedo oluzuzwa kwi-Titanium kunye neNsimbi?

1. Imveliso yeAerospace

• • Titanium: Ishishini le-aerospace lizuza kakhulu kwi-titanium njengoko le ntsimbi inomlinganiselo okhethekileyo wamandla-kubunzima, ukuxhathisa kwiindawo ezithile kwiikhemikhali, kunye namaqondo obushushu aphezulu. Oku kuthetha ukuba izinto ezininzi ezifana ne-jet injini yangaphakathi, iifrimu zomoya, kunye nezixhobo zokumisa zenziwa kusetyenziswa i-titanium. I-Hybernation yala macandelo endiza izuza kwii-alloys ze-titanium, ezinciphisa imiphumo yokudinwa kwezinto kwiindawo ezibalulekileyo zenqwelomoya.
  • steel: Intsimbi izinikele njengesixhobo esikhethwayo kuwo onke amacandelo esikhokelo senqwelomoya, ubukhulu becala ekusetyenzisweni kwezixhobo zokumisa kunye nokufikeleleka kwiziqhoboshi ngenxa yomlinganiselo ophakamileyo wobunzima-kukomelela.

2. Izixhobo zonyango kunye nokufakelwa

• • I-Titanium: Ezi mpawu ze-titanium, ezifana ne-biocompatibility kunye neempawu ze-antiseptic, zenza isinyithi sibe nomtsalane kakhulu njengesixhobo sezixhobo ezinje nge-hip joints kunye nokufakelwa kwamazinyo, kunye neemeko ze-pacemakers zentliziyo. Ukusetyenziswa okuqhelekileyo kweenjongo ezinjalo kukuqeqesha, ukubuyisela, kwaye ngokukodwa ngenxa yomgangatho wokufakelwa kwithambo kunye nezicubu ze-ossification (i-aversions).
  • Sensimbi: Ngaphezu koko, insimbi engenasici isetyenziswa ekwenzeni izixhobo zotyando kunyango lwamathambo kunye neenkqubo zamazinyo zethutyana ngenxa yamandla ayo kunye nokufikeleleka kwendalo.

3. Icandelo lezaselwandle

• • Titanium: Uncedo lwe-titanium ekufakweni kwaselwandle mikhulu kakhulu ngakumbi kwiimeko zamanzi olwandle apho ingenalo ifuthe lamanzi etyuwa. Umntu unokucinga ngendawo yokusebenzela efana nokuzaliswa ngokuqhutywa kwesikhephe kunye nezixhobo zokujikeleza, izityalo zokukhupha ityuwa, izakhiwo eziphantsi kwamanzi.
  • steel: Nangona kunjalo, ukusetyenziswa kwezi zixhobo kubandakanya amanyathelo akhethekileyo okulwa ne-anticorrosive ukuthunyelwa kwee-alloys zetsimbi zokwakha iinqanawa, iiplatifomu ze-offshore, kunye nemikhosi yemithwalo ye-homogeneity kunye nokulula.

4. Industry Automotive

• • Titanium: Inkqubela phambili emangalisayo kuyilo lwazo zonke ezi elementi kwandisa ukusetyenziswa kwe-titanium, umz. ukuveliswa kwenkqubo yokukhupha umoya okwazi ukumelana nobushushu obuphezulu, iivalvu ze-injini kunye neerodi ze-injini zokutsha zangaphakathi. Oku, ngokubuyisela, kwandisa ukusebenza kunye nobomi bokusebenza kwezithuthi kwiinkalo ezifana neemoto zokhuphiswano kunye neebhatyi zezemidlalo.
  • Sensimbi: Izithuthi zahluke kakhulu kwaye i-titanium ayinakuthatha indawo yentsimbi ngokupheleleyo; intsimbi iya kuba yinto esisiseko yokwenza izakhiwo zamandla, amacala omzimba, kunye nokumiswa ngenxa yamandla ayo aphezulu, ukulungelelaniswa, kunye neendleko eziphantsi.

5. iCandelo lezaMandla

• • Titanium: I-Titanium isetyenziswa ngokukhutheleyo kushishino lwamandla ngakumbi kushishino lwamandla enyukliya njengoko isetyenziswa kwinkqubo yokupholisa yomzi-mveliso ngokwemibhobho yecondenser kunye nezitshintshisi zobushushu kwaye naphantsi koxinzelelo oluphezulu, amaqondo obushushu aphezulu akakhusi.
  • steel: Kwicandelo lamandla, intsimbi licandelo eliyimfuneko umzekelo kumashishini e-oyile nawepetroleum, amaziko ombane omoya kunye nakwiinkqubo zobunjineli bobume ngokubanzi ngenxa yokomelela nokuba nokukwazi ukolula.

Injani iTitanium Alloy xa ithelekiswa nentsimbi engatyiwayo?

Ukusetyenziswa kwazo zombini i-titanium alloy kunye nentsimbi engatyiwa sisenzo esixhaphake kakhulu. Ngezantsi, nangona kunjalo, zombini iipropathi kunye nokusetyenziswa kwazo zombini izixhobo. Uphuhliso lwemibhobho ye-Titanium, izifakelo, neziqhoboshi ziye zafumana amandla kushishino lolwakhiwo, lwezonyango, kunye nolwe-aerospace. Iialloyi ze-Titanium ziphawuleka ngokomelela kwazo okuphezulu ukuya kuxinaniso. Baphuma kwiimveliso zetsimbi eziqhayisa ukusebenza okuphezulu kodwa zinobunzima obuncinci. Ngenxa yoko, ezi zixhobo zifumene ukusetyenziswa kubunjineli bomatshini, apho ishishini leemoto lihamba njengomnye wabathengi abakhulu be-titanium alloy components. Kwakhona, i-titanium yimathiriyeli egqwesileyo ngenxa yokunganyangeki kwayo kakuhle nakwiimeko ezingqonge umhlwa ezifana namanzi olwandle kunye nezisombululo ezininzi ezineasidi, apho yenza ngcono kakhulu kunentsimbi engenasici.

Ngokuphathelele insimbi engenasici, ihluke kulawo angasentla ngokuba nomphetho xa kuziwa kumaxabiso kunye nokufumaneka kwezinto eziphathekayo, ezivumela ukuba zisetyenziswe ngokubanzi kwiinkalo ezahlukeneyo, kuquka zombini i-Commonwealth ye-Independent States kunye nemimandla yesicelo semihla ngemihla. Ukusetyenziswa kwayo kwizakhiwo, kwimizila kaloliwe, nakwezinye izakhiwo ezahlukeneyo kufakwe phantsi kwale nkcukacha ithile kuba iyeyezixhobo zokomelela okuphezulu, ezigxininiswe kakhulu phantsi kwemisebenzi yokwakha. Ukuqala ukuxhathisa, intsimbi engatyiwayo ayifane igqweswe kwiindawo ezinqamlezileyo kwiindawo ezininzi. Nangona kunjalo, ezinye zezi meko, ezinjengendawo etyebileyo yekloridi, zinokubangela ukubola kwentsimbi engenasici, ngelixa iialloys zetitanium ziseza kuhlala zinjalo.

Ngawaphi Amandla kunye Nobunzima bokuQwalasela?

Xa, ngokomzekelo, amandla okuxinana kunye nobunzima kuqwalaselwa, umntu unokubona ukuba ukukhetha izinto kufuna ukuqwalaselwa kovavanyo lweyona ndlela isetyenziswayo. Intsimbi engatyiwayo iyathandeka kwizicelo ezininzi ngenxa yamandla ayo aphezulu; nangona kunjalo, inezinto ezingeloncedo, ezinje ngokuba yenye yezona zinto zinzima kakhulu, kwaye kwizicelo ezingaphazamisiyo ze-20 ukuya kwi-30 iminyaka, izakhiwo ezakhiweyo zinokuthi zibe phantsi komhlwa ngenxa yeemeko zangaphandle. Oku kuphunyezwa kwi-trather han yezinto eziphathekayo ukusuka kwisakhiwo, esithe ngqo kwi-Stainless steel, kwaye kubangele iindleko eziphantsi kunye nokusebenza okuphezulu. Kwelinye icala, iialloyi zetitanium ziyamangalisa malunga nokomelela ukuya kubunzima. Ngamanye amazwi, i-titanium isetyenziswe kuyilo lwamacandelo amatshini aphezulu, okwenza kube yinto engcono kunentsimbi engenasici. Iipropati ezinjalo zenza ukuba i-titanium alloys ithandeke ngakumbi kwiimeko ezifuna ukuhla okubonakalayo kobunzima, umzekelo, kwi-aerospace okanye kumashishini othutho agxile kwisantya.

Ukuthelekisa usetyenziso lwamandla aphezulu: iTitanium vs iStainless Steel

Xa kuqwalaselwa ukusetyenziswa kwe-titanium kunye nensimbi engenasici kwizicelo zamandla aphezulu, enye iparameter ebalulekileyo ekufuneka ithathelwe ingqalelo kukuchasana kwezixhobo kwi-corrosion kwimidiya eyahlukeneyo. I-Titanium ekucoceni kwayo kwaye ngakumbi kwiifom zealloyi zayo ihlangabezana ngokukodwa ngokugqwesileyo nenani elikhulu leendawo ezinobundlongondlongo, phakathi kwazo kukho amanzi olwandle, iklorini, kunye nemithombo yeendaba eneasidi. Umaleko we-passive kwimo yawo ecocekileyo yongeza ukusebenza ngokubanzi kwiimeko ezahlukeneyo zokusingqongileyo. Nangona kunjalo, ingxoxo yaphazamiseka ngokukhankanya ukuba insimbi engenasici yayifuneka ukuba ithathele ingqalelo iziphumo zangaphambili zomsebenzi kunye ne-titanium. Ngaphezu koko, amabakala amaninzi ensimbi engenastainless anamabanga anobushushu obuphezulu kakhulu bokudlula intsimbi, umzekelo 316L, apho iipropathi zetsimbi engenakutyiwa zezo zinto zingcono kakhulu, ngakumbi ukusetyenziswa kufutshane namanzi olwandle okanye iiasidi.

Umzekelo, ngokwembono ye-eco-performance, banomjikelo wobomi obude ngenxa yokuba bayaxhathisa ukuthotywa kweekhemikhali, okuthetha ukuba banciphisa imfuno yokutshintsha okuninzi rhoqo, umzekelo kwi-aerospace kunye nobuchwepheshe bezempilo. Intsimbi estainless kwelinye icala, nokuba isesichengeni sokuqhekeka kwendawo, njengokugrunjwa komngxuma okanye kwimingxuma, isebenza kakuhle phantsi kweemeko zoxolo. Oko kuthethwa, ezinye zezinto eziza kuqwalasela ukhetho phakathi kwe-titanium kunye nensimbi engenasici kukuhlala ixesha elide kunye nesicelo kwindawo enobudlova. Omnye umba ofanele ukukhankanywa bubunzima obubaluleke kakhulu ekukhethweni kwemathiriyeli ngenjongo ethile kuba imisela kungekuphela nje kuyilo lolwakhiwo kodwa nokusebenza ngokunjalo.

Yintoni indima yobunzima ekukhetheni izinto eziphathekayo?

Leliphi iBanga leNtsimbi eNgenaNsimbi elona liGqwesileyo ngokuchasene neTitanium?

Ukuba i-titanium kufuneka isetyenziswe ngensimbi engenasici, ngokuqhelekileyo, iBanga le-316 insimbi engenasici iyacetyiswa. Ekusetyenzisweni kweentsimbi ezinjalo, ukukwazi kwabo ukuxhathisa i-corrosion kubaluleke kakhulu kwi-316 insimbi engenasici. Inyani yokuba intsimbi yechromate kunye ne-titanium zisetyenziselwa iinjongo ezifanayo yenza ukuba uninzi lwezicelo zenzeke. Seta ngokutsha ukhetho lwegalvanic corrosion. I-Welding ye-316 yensimbi engenasici kunye ne-titanium isusa ukubakho kwe-galvanic corrosion yezo zimbini, okwenza ukusetyenziswa kwe-316 yensimbi ibe yinto ephezulu kakhulu kwizicelo ezininzi.

Ukuphonononga amaBanga angama-304 vs 316 eNtsimbi eNgatyiwayo

Kumashishini ahlukeneyo, zombini i-304 kunye ne-316 yensimbi engenasici ziphakathi kokhetho oluphezulu ngenxa yeempawu zabo ezintle zoomatshini ezinje ngokuqina, ukomelela kwesivuno, kugqityiwe, kodwa ibakala kunye nokumelana nomhlwa okujongene nokusebenza kuyahluka. Umahluko osisiseko phakathi kwezi ntlobo zimbini kukudityaniswa kwezinto ezithathu ezidibanisayo. Kubalulekile ukuba uqaphele ukuba i-304 ine-chromium ephezulu kunye ne-nickel contents kwi-18% kunye ne-8% ngokulandelanayo, ngakolunye uhlangothi, i-316 insimbi engenasici iqukethe i-16% ye-chrome, i-10% ye-nickel kunye ne-2% ye-molybdenum. Imbumbulu yesilivere kwi-316 yensimbi engenasici ye-IX inomxholo ophezulu we-molybdenum, kwaye oku kunciphisa umngcipheko we-chloride-induced fretting corrosion, iyenze iphelele ukusetyenziswa kwizicelo zaselwandle okanye izicelo apho kukho ityuwa eninzi okanye i-icing chips.

Zeziphi iiNzuzo zeDuplex Steel engatyiwayo xa kuthelekiswa?

1. Amandla aphakamileyo

I-Duplex kunye ne-duplex stainless steels ziphakathi kwamabakala anika amandla emveliso aphantse aphindwe kabini kulawo anikezelwa yi-austenitic stainless steels ezifana ne-304 okanye i-316. Ngoko ke, kufuneka kusetyenziswe izinto ezincinci. Oku kubangela ukonga iindleko kunye nezakhiwo eziphuhliswe kakhulu ngaphandle kwamacandelo anzima kakhulu okanye ukulahlekelwa kwamandla. Ngokomzekelo, amabakala aqhelekileyo e-austenitic steels ahlala ethathwa njengoluhlu lwe-200-300 MPa kwinqanaba lamandla esivuno, ngelixa amabakala ensimbi e-duplex ahlala evelisa amanqanaba amandla angama-400-550 MPa.

2. Ukuphuculwa koKuchasa ukonakala

Ukunyuka kwe-chromium, i-molybdenum, kunye namanqanaba e-nitrogen kwi-duplex stainless steels inika ukhuseleko olusebenzayo kwiindawo ezininzi. Zikwaxhathisa kwi-pitting kunye ne-crevice corrosion kwaye zithande ukuba nexabiso le-PREN eliphezulu kakhulu, rhoqo ngaphezu kwe-30 kwimeko ye-duplex alloys.

3. Ukuxhathisa okuPhakamileyo kuxinzelelo lwe-Corrosion Cracking (SCC)

Kuyafaneleka ukuba kuboniswe ukuba amandla e-duplex stainless steels anika ukuxhathisa okugqwesileyo kwanakwi-stress corrosion cracking, ubuthathaka obubonwa kwiintsimbi ezininzi ze-austenitic, ngakumbi kwezo zibonakaliswe kugxininiso lwe-chloride ephezulu kunye namaqondo obushushu.

4. Ukomelezwa kokuFatigue Amandla kunye nokuqina

Amacandelo esigaba esahlukileyo kwaye kungoko, iimpawu zoomatshini ezahlukeneyo, zamabanga aphindwe kabini zihlala ziguqulela ukusebenza okugqwesileyo kwisicelo esibandakanya ukudinwa kokulayisha izibaso okanye ukulayisha okuguquguqukayo. Ukwandiswa ukuya kutsho kumaqondo obushushu okuqhekeka kweentsimbi eziphindwe kabini kukwangcono kakhulu kunoko kubonwa kwimeko yeentsimbi ezingenazintsimbi ze-ferritic.

5. Indleko-Effective Material Option