xaiv atitanium phaj
Raws li lawv qhov cuam tshuam rau theem hloov pauv kub, cov ntsiab lus alloying tuaj yeem faib ua peb pawg:
1.Stabilizing cov ntsiab lus, xws li txhuas, carbon, oxygen, thiab nitrogen, ua hauj lwm los tswj cov theem thiab nce theem hloov kub. Lub ntsiab alloy ntawm titanium alloy yog txhuas, uas muaj kev cuam tshuam rau cov alloy qhov kub thiab txias zog, nrog rau nws qhov tshwj xeeb lub ntiajteb txawj nqus thiab elastic modulus.
2. Cov khoom -stabilizing, uas tuaj yeem muab faib ua ob hom: isomorphic thiab eutectoid, yog cov khoom ua kom ruaj khov rau theem thiab txo qis theem kev hloov pauv kub. Molybdenum, niobium, thiab vanadium yog cov khoom tsim los ntawm titanium alloys; tom kawg kuj muaj chromium, manganese, tooj liab, hlau, thiab silicon.
3. Cov ntsiab lus nruab nrab zoo li Zr, Sn, thiab lwm yam muaj kev cuam tshuam me ntsis rau lub sijhawm hloov pauv kub.
Hauv titanium alloys, oxygen, nitrogen, carbon, thiab hydrogen yog thawj impurities. Ntau dua solubility ntawm oxygen thiab nitrogen nyob rau hauv lub sij hawm ho ntxiv dag zog rau titanium alloy thaum txo ductility. Cov pa oxygen thiab nitrogen concentration ntawm titanium feem ntau yuav tsum tsawg dua {{0}}.15– 0.2 feem pua thiab 0.04– 0.5 feem pua, feem. Vim hais tias hydrogen tsuas yog tsis muaj zog heev soluble nyob rau hauv theem, ntau hydrogen yaj nyob rau hauv titanium alloy yuav ua rau zus tau tej cov hydrides, uas yuav tsis muaj zog alloy.
Cov hydrogen concentration hauv titanium alloys feem ntau khaws cia hauv qab 0.015 feem pua . Titanium's hydrogen dissolution yog thim rov qab thiab tuaj yeem nres nrog lub tshuab nqus tsev annealing.
