Daim ntawv thov ntawm Titanium Alloy hauv Valve Kev Lag Luam
Titanium alloy muaj ntau yam zoo xws li tsis tshua muaj siab, siab zog, corrosion kuj, siab kub thiab kub tsis kam, thiab tuaj yeem siv dav hauv ntau lub teb xws li roj av, tshuaj lom neeg kev lag luam, marine ib puag ncig, biomedicine, aerospace, automotive kev lag luam, thiab ships. . Cast titanium alloy yog tau los ntawm casting titanium alloy rau hauv cov duab uas xav tau, cov ZTC4 (Ti-6Al-4V) alloy yog siv dav tshaj plaws, nrog cov txheej txheem ruaj khov, zoo zog thiab tawg toughness (hauv qab 350 ℃).
Raws li kev tswj hwm tseem ceeb ntawm ntau qhov chaw tshwj xeeb thiab cov kua dej tshwj xeeb nruab nrab cov kav xa dej xa mus, cov li qub tau dhau los ua ib qho tseem ceeb ntawm ntau cov khoom siv hauv kev tsim khoom, thiab nws tuaj yeem hais tias txhua qhov kev lag luam tsis tuaj yeem ua yam tsis muaj li qub. Vim muaj qhov sib txawv ntawm ib puag ncig, qhov kub thiab txias, thiab qhov xav tau nruab nrab hauv ntau qhov chaw, kev xaiv cov khoom siv valve tshwj xeeb yog qhov tseem ceeb thiab muaj nuj nqis. Valves raws li titanium alloys thiab cam khwb cia titanium alloys muaj kev cia siab nyob rau hauv lub tshav pob li qub vim lawv zoo heev corrosion kuj, siab thiab kub tsis kam, thiab siab zog.
Daim ntawv thov
- Tubrog nkoj
Qhov chaw ua haujlwm ntawm cov kav dej hiav txwv dej hiav txwv yog qhov hnyav heev, thiab kev ua haujlwm ntawm marine li qub cuam tshuam ncaj qha rau kev nyab xeeb thiab kev ua haujlwm tag nrho ntawm cov kav dej. Raws li thaum ntxov xyoo 1960, Russia pib tshawb fawb txog titanium alloys rau cov nkoj thiab tom qab ntawd tsim lawv rau kev siv dej hiav txwv β Titanium alloy yog siv dav hauv cov tub rog nkoj cov kav dej, suav nrog lub ntiaj teb li qub, kos li qub, thiab pob li qub, nrog rau ntau hom. thiab ntau daim ntawv thov; Nyob rau tib lub sijhawm, titanium li qub kuj tau siv rau hauv pej xeem nkoj kav dej. Piv nrog rau yav dhau los siv tooj liab alloys, hlau, thiab lwm yam, cov kev ntsuas dej tom qab kuj tau pom tias kev siv cov cam khwb cia titanium alloys muaj kev ntseeg siab rau ntau yam xws li cov qauv siv zog thiab kev tiv thaiv corrosion, thiab kev pab cuam lub neej tau ntev heev, los ntawm thawj 2-5 xyoos mus rau ntau tshaj ob zaug, uas tau nyiam cov neeg tuaj saib thoob plaws txhua tus. Peb eccentric npauj npaim valve muab los ntawm Tuam Tshoj Shipbuilding 725 Kev Tshawb Fawb Lub Tsev Haujlwm hauv Luoyang, Tuam Tshoj rau qee yam qauv ntawm lub nkoj yog kev hloov pauv ntawm cov khoom siv yav dhau los xaiv thiab tsim qauv, siv Ti80 thiab lwm yam khoom siv los ua lub cev tseem ceeb, txuas ntxiv lub neej kev pab cuam. lub valve rau ntau tshaj 25 xyoo, kev txhim kho kev ntseeg siab thiab kev ua haujlwm ntawm cov khoom siv valve, thiab sau cov kev sib txawv hauv Suav teb.
- Aerospace
Nyob rau hauv lub tshav pob ntawm aerospace, nrum titanium alloys kuj ua tau zoo, ua tsaug rau lawv zoo heev tshav kub kuj thiab lub zog. Nws kuj yog thaum xyoo 1960 uas American Airlines thawj zaug sim titanium castings. Tom qab ib lub sij hawm ntawm kev tshawb fawb, titanium alloy castings tau raug siv nyob rau hauv aircraft txij li thaum 1972 (Boeing 757, 767, thiab 777, thiab lwm yam). Tsis tsuas yog muaj ntau tus qauv zoo li qub titanium alloy castings tau siv, tab sis lawv kuj tau siv rau hauv txoj haujlwm tseem ceeb, xws li kev tswj valve hauv cov raj xa dej tseem ceeb. Feem ntau siv li qub muaj xws li kev nyab xeeb li qub, kos li qub, thiab lwm yam, uas tau txo cov nqi tsim khoom dav hlau thiab nce kev nyab xeeb thiab kev ntseeg siab, Meanwhile, vim qhov me me thiab qhov hnyav ntawm titanium alloy piv rau lwm cov alloys, uas tsuas yog li 60% ntawm tib lub zog steel, nws daim ntawv thov dav tuaj yeem txhawb nqa dav hlau kom tsis tu ncua mus rau lub zog siab thiab lub teeb yuag. Tam sim no, aerospace li qub feem ntau yog siv rau hauv ntau lub tshuab tswj xws li pneumatic, hydraulic, roj, thiab lubrication, thiab tsim nyog rau cov cheeb tsam uas muaj kev tiv thaiv corrosion thiab kub ib puag ncig. Lawv yog ib qho tseem ceeb ntawm cov tsheb aerospace, cav, thiab lwm yam haujlwm. Traditional li qub feem ntau yuav tsum tau hloov pauv, thiab tej zaum yuav tsis tau raws li qhov xav tau. Nyob rau tib lub sijhawm, nrog rau kev nthuav dav sai ntawm kev lag luam aerospace valve, titanium li qub tseem muaj kev sib koom ua ke ntxiv vim lawv qhov kev ua tau zoo dua.
- Kev lag luam tshuaj
Chemical li qub feem ntau yog siv nyob rau hauv ib puag ncig hnyav xws li kub, siab siab, corrosion kuj, thiab siab sib txawv loj. Yog li ntawd, kev xaiv cov ntaub ntawv tsim nyog yog qhov tseem ceeb rau kev siv lub valve chemical kev lag luam. Thaum ntxov, carbon steel, stainless hlau, thiab lwm yam khoom siv feem ntau yog xaiv, thiab corrosion kuj tshwm sim tom qab siv, yuav tsum tau hloov thiab kho. Nrog rau kev txhim kho tas mus li ntawm casting titanium alloy thev naus laus zis thiab nws qhov kev ua tau zoo tshaj plaws tau maj mam pom, titanium li qub tau tshwm sim hauv tib neeg lub qhov muag. Noj cov khoom tsim tawm ntawm purified terephthalic acid (PTA) hauv kev lag luam chemical fiber ua piv txwv, qhov nruab nrab ua haujlwm feem ntau yog acetic acid thiab hydrobromic acid, uas muaj zog corrosiveness. Ze li ntawm 8000 li qub, suav nrog lub ntiaj teb li qub thiab pob li qub, yuav tsum tau siv, muaj ntau hom thiab ntau tus. Yog li ntawd, titanium li qub tau dhau los ua qhov kev xaiv zoo, ua kom muaj kev ntseeg siab thiab kev nyab xeeb ntawm kev siv. Feem ntau, vim yog corrosiveness ntawm urea, li qub ntawm lub qhov hluav taws xob thiab qhov hluav taws xob ntawm urea synthesis ntauwd tuaj yeem ua tau raws li qhov kev pab cuam lub neej ntawm 1 xyoo thiab twb tau mus txog cov kev cai siv. Kev lag luam xws li Shanxi Lvliang Fertilizer Plant, Shandong Tengzhou Fertilizer Plant, thiab Henan Lingbao Fertilizer Plant tau ua ntau yam kev sim thiab thaum kawg xaiv titanium valve high-pressure check li qub H72WA-220ROO-50, H43WA-220ROO-50, 65, thiab rwb thaiv tsev. nres li qub BJ45WA-25R-100, 125, thiab lwm yam rau kev ntshuam ntawm urea synthesis towers, nrog rau kev pab cuam lub neej ntawm ntau tshaj 2 xyoo, pom zoo corrosion kuj [9], txo qhov zaus thiab nqi ntawm valve hloov.
Daim ntawv thov ntawm cam khwb cia titanium alloy nyob rau hauv lub lag luam valve tsis txwv rau cov saum toj no-hais kev lag luam, tab sis muaj kev loj hlob zoo nyob rau hauv lwm yam. Piv txwv li, cov tshiab cam khwb cia titanium alloy Ti-33.5Al-1Nb-0.5Cr-0.5Si tsim nyob rau hauv Nyiv muaj ntau yam zoo xws li tsis tshua muaj ceev, siab creep zog, thiab zoo hnav tsis kam. Thaum siv nyob rau hauv lub rear tso valve ntawm automotive xyaw, nws muaj peev xwm txhim kho kev nyab xeeb kev ua tau zoo ntawm lub cav thiab ncua nws cov kev pab cuam lub neej.
- Lwm yam kev lag luam
Piv nrog rau daim ntawv thov ntawm cam khwb cia titanium alloys nyob rau hauv lub valve kev lag luam, lwm yam kev siv ntawm cam khwb cia titanium alloys yog dav dua. Titanium thiab titanium alloys muaj kev tiv thaiv corrosion zoo heev, uas yog qhov tseem ceeb rau kev lag luam nrog cov kev xav tau corrosive xws li kev lag luam petrochemical. Hauv cov kev lag luam no, ntau yam khoom siv loj uas yuav tsum tau muaj kev lag luam xws li cov twj ntim ntim, cov khoom siv hluav taws xob, cov tshuab hluav taws xob, thiab cov reactors yuav siv cov khoom siv corrosion-resistant titanium castings, uas muaj kev lag luam loj tshaj plaws. Hauv kev lag luam tshuaj, vim tias titanium yog lub ntiaj teb lees paub kev nyab xeeb, tsis muaj tshuaj lom, thiab hnyav hlau tsis muaj hlau, ntau yam khoom siv kho mob, tib neeg prostheses, thiab lwm yam yog ua los ntawm cam khwb cia titanium alloys. Tshwj xeeb tshaj yog nyob rau hauv cov tshuaj kho hniav, yuav luag tag nrho cov hniav castings uas tau sim tawm yog ua los ntawm cov ntshiab titanium thiab Ti-6Al-4V alloy, uas muaj zoo biocompatibility, mechanical zog, thiab corrosion kuj. Ntawm qhov tod tes, vim qhov zoo ntawm qhov ceev thiab kev ua tau zoo ntawm titanium alloys, lawv tau siv cov pob ntaus pob ncaws pob, pob ncaws pob ntaus pob tesniv, thiab tsoo nuv ntses. Cov khoom ua los ntawm lawv yog lub teeb yuag, muaj kev ruaj ntseg zoo, thiab nrov heev ntawm cov pej xeem. Piv txwv li, SP-700 tshiab titanium alloy tsim los ntawm Nyiv Steel Yeeb Nkab Tuam Txhab (N104) yog siv los ua cov khoom nto rau Taylor hom 300 series golf pob taub hau, uas yog qhov muag zoo tshaj plaws hauv kev lag luam golf thoob ntiaj teb. Txij li thaum lub xyoo pua 20th lig, cam khwb cia titanium alloys tau maj mam tsim kev lag luam thiab teev hauv thaj chaw xws li petrochemical, aerospace, biomedical, automotive kev lag luam, thiab kev ua kis las thiab kev lom zem, los ntawm kev tshawb nrhiav thawj zaug mus rau kev txhawb nqa thiab kev loj hlob tam sim no.