Njirimara ihe eji arụ ọrụ Titanium Alloy
The ojiji nke okpomọkụ bụ narị ole na ole degrees elu karịa aluminum alloy, na ọkara okpomọkụ ka nwere ike ịnọgide na-enwe chọrọ ike, nwere ike ịbụ 450 ~ 500 ℃ okpomọkụ ruo ogologo oge na-arụ ọrụ abụọ a titanium alloy na nso 150 ℃ ~ 500 ℃ ka nwere nnọọ elu kpọmkwem ike, na aluminum alloy na 150 ℃ kpọmkwem ike ebelata budata. The arụ ọrụ okpomọkụ nke titanium alloy nwere ike iru 500 ℃, na aluminum alloy bụ n'okpuru 200 ℃. Ezi mpịachi corrosion eguzogide.
Nguzogide corrosion nke titanium alloy dị mma karịa nke igwe anaghị agba nchara mgbe ọ na-arụ ọrụ na ikuku mmiri na mmiri mmiri. Karịsịa ike iguzogide pitting corrosion, acid corrosion na nrụgide corrosion; Ọ nwere magburu onwe corrosion iguzogide alkali, chloride, chlorinated organic ngwaahịa, nitric acid, sulfuric acid, wdg Otú ọ dị, titanium nwere ogbenye corrosion iguzogide reductive oxygen na chromium nnu media.
Titanium alloy nwere ike idowe ihe eji arụ ọrụ ya na obere okpomọkụ na nke dị ala. Titanium alloys nwere ezigbo ọrụ okpomọkụ dị ala yana ihe dị n'etiti etiti dị ala, dị ka TA7, nwere ike idowe ụfọdụ plasticity na -253 ℃. Ya mere, titanium alloy bụkwa ihe dị mkpa nhazi ihe nhazi dị ala. Ọrụ kemịkalụ nke titanium dị elu, yana ikuku dị na O, N, H, CO, CO₂, vapor mmiri, amonia na mmeghachi omume kemịkalụ ndị ọzọ siri ike. Mgbe ọdịnaya carbon karịrị 0.2%, ọ ga-etolite TiC siri ike na alloy titanium;
Na elu okpomọkụ, mmekọrịta na N ga-etolite TiN ike elu; N'elu 600 ℃, titanium absorbs oxygen na-etolite a hardening oyi akwa na elu hardness; A ga-emepụtakwa oyi akwa embrittlement mgbe ọdịnaya hydrogen na-ebili. The omimi nke ike kenkuwa elu nke na-emepụta site na-amịkọrọ gas nwere ike iru 0.1 ~ 0.15mm, na hardening ogo bụ 20% ~ 30%. Njikọ kemịkalụ nke titanium dịkwa nnukwu, dị mfe imepụta adhesion na elu esemokwu.
Thermal conductivity nke titanium λ = 15.24W / (mK) bụ banyere 1/4 nke nickel, 1/5 nke ígwè, 1/14 nke aluminom, na thermal conductivity nke ụdị niile nke titanium alloy bụ banyere 50% ala karịa nke ahụ. nke titanium. Modules na-agbanwe nke titanium alloy bụ ihe dịka 1/2 nke ígwè, yabụ nkwụsi ike ya adịghị mma, dị mfe nrụrụ, ekwesighi ka ọ bụrụ mkpanaka siri ike na akụkụ dị mkpa, ịbelata oke nrụpụta elu dị ukwuu, ihe dịka 2 ~ 3 ugboro. nke igwe anaghị agba nchara, na-akpata esemokwu siri ike, adhesion, bonding wear after the tool surface.