Qhov kev ua tau zoo thiab kev siv ntau yam ntawm cov hmoov hlau metallurgy yog qhov tsim nyog txiav txim siab los ntawm lawv cov khoom siv. Los ntawm kev xyaum ua lag luam ntev ntev, cov khoom siv loj tau tshwm sim, sawv cev los ntawm hlau-raws li, tooj liab-raws li, stainless hlau-raws li, npib tsib xee-raws li, thiab cemented carbide. Txhua yam khoom muaj nws tus kheej zoo hauv kev tsim qauv, microstructure, thiab cov khoom siv ua haujlwm, ua tau raws li lub zog, hnav tsis kam, corrosion kuj, thiab cov khoom tshwj xeeb ntawm lub cev raws li kev ua haujlwm sib txawv.
Hlau-raws li hmoov metallurgy cov ntaub ntawv yog cov khoom siv dav tshaj plaws. Lawv feem ntau siv cov hmoov hlau ntshiab los yog ua ntej-alloyed steel hmoov raws li matrix, ntxiv nrog cov ntsiab lus xws li graphite, tooj liab, npib tsib xee, thiab molybdenum los kho cov khoom. Los ntawm kev nias thiab sintering, zoo zog thiab hardness tuaj yeem tau, thiab tus kheej - lubrication lossis vibration damping functions tuaj yeem ua tiav los ntawm kev tsim qauv pore. Hlau-raws li cov ntaub ntawv muaj tus nqi nruab nrab thiab cov thev naus laus zis paub tab, thiab tau siv dav hauv tsheb cav sprockets, gearbox synchronizer hubs, roj twj tso kua mis rotors, thiab ntau yam khoom siv hluav taws xob kis tau tus mob, nthuav tawm cov nqi zoo heev -kev ua tau zoo nyob rau hauv nruab nrab loads thiab ib puag ncig ib puag ncig.
Copper-raws li hmoov metallurgy cov ntaub ntawv, raws li cov hmoov hlau alloy xws li tooj liab thiab tooj dag, yog cov yam ntxwv ntawm thermal thiab hluav taws xob conductivity zoo heev thiab zoo corrosion kuj. Cov ntaub ntawv no tau siv dav hauv cov khoom siv hluav taws xob sib txuas, zawv zawg bearings, ntsaws ruaj ruaj, thiab cov khoom siv hluav taws xob sib txuas, tshwj xeeb tshaj yog tsim rau cov ntawv thov kom muaj cua sov zoo thiab hluav taws xob conductivity. Copper-raws li cov khoom muaj peev xwm tswj tau qhov coefficient ntawm kev sib txhuam hauv cov roj-dawb lossis qis- roj, tab sis lawv lub zog thiab siab - qhov kub thiab txias kuj feem ntau qis dua hlau -raws li thiab stainless hlau- cov khoom siv; Yog li ntawd, yuav tsum tau ceev faj thaum xaiv lawv rau siab -load lossis siab - qhov kub thiab txias.
Stainless hlau-raws li cov hmoov hlau metallurgy cov ntaub ntawv siv cov khoom xws li chromium thiab npib tsib xee los ua ib zaj duab xis passivation, nthuav tawm zoo heev corrosion kuj thiab oxidation tsis kam thaum tuav ib theem ntawm lub zog thiab toughness. Cov ntaub ntawv no feem ntau yog siv rau hauv cov khoom noj khoom haus, cov khoom siv tshuaj, cov khoom siv kho mob, thiab cov khoom siv rau thaj chaw marine. Los ntawm kev ua kom zoo ntawm cov txheej txheem sintering thiab alloy qhov sib piv, qhov ntom ntom thiab cov khoom siv kho tshuab tuaj yeem txhim kho thaum tswj kev tiv thaiv corrosion, ua tau raws li cov kev cai nruj rau kev nyiam huv, durability, thiab compatibility nrog complex xov xwm.
Nickel-raws li hmoov metallurgy cov ntaub ntawv ua tau zoo nyob rau hauv siab - kub lub zog, oxidation tsis kam, thiab creep resistance, ua rau lawv haum rau cov khoom tseem ceeb hauv aero- cav, roj turbines, thiab siab - cov khoom siv kho cua sov. Cov ntaub ntawv no feem ntau siv cov npib tsib xee ua cov matrix, nrog ntxiv chromium, molybdenum, tungsten, thiab lwm yam khoom ua rau cov theem txhawb zog, tswj cov qauv kev ruaj ntseg thiab ntev - kev ua tau zoo ntawm qhov kub siab dua. Txawm hais tias cov khoom siv raw khoom ntau dua thiab cov txheej txheem sintering nqaim dua, lawv muab cov txiaj ntsig tsis zoo nyob rau hauv qhov kub thiab txias thiab nyuaj nyuaj.
Cov alloys nyuaj, ntawm qhov tod tes, siv siab -hardness ceramic theem xws li tungsten carbide raws li matrix, ua ke nrog cov xim hlau binder theem xws li cobalt. Lawv muaj qhov tawv tawv heev, hnav tsis kam, thiab lub zog compressive, thiab feem ntau yog siv rau hauv cov cuab yeej txiav, cov cuab yeej drilling, thiab hnav- cov kab resistant. Txawm hais tias lawv cov toughness yog txwv, los ntawm kev tswj cov hmoov particle loj thiab optimizing cov txheej txheem sintering, lawv cov kev cuam tshuam kuj tuaj yeem txhim kho thaum tuav cov ntse, ua raws li cov kev cai nruj ntawm ntau yam khoom siv.
Ntxiv nrog rau cov lus hais saum toj no, aluminium-raws li, titanium-raws li, thiab cov khoom siv tshwj xeeb hmoov hlau metallurgy txuas ntxiv nthuav dav lawv thaj chaw thov. Aluminium-raws li cov ntaub ntawv yog lub teeb yuag thiab muaj cov thermal conductivity zoo, ua rau lawv haum rau cov khoom hnyav hauv kev thauj mus los thiab cov khoom siv hluav taws xob; titanium-raws li cov ntaub ntawv sib xyaw ua ke muaj zog tshwj xeeb nrog biocompatibility zoo, qhia tau hais tias muaj kev cog lus zoo hauv aerospace thiab kev kho mob cog; Sib nqus hmoov metallurgy cov ntaub ntawv tuaj yeem ua tau raws li qhov tshwj xeeb sib nqus kev ua haujlwm ntawm cov motors, sensors, thiab lwm yam kev siv.
Zuag qhia tag nrho, cov khoom siv tseem ceeb rau cov hmoov hlau metallurgy cov khoom siv npog ntau yam, los ntawm cov khoom siv zoo tib yam mus rau siab -kev ua haujlwm tshwj xeeb. Lawv cov kev xaiv yuav tsum ua tib zoo xav txog yam xws li kev pabcuam ib puag ncig, kev xav tau ntawm kev siv tshuab, kev tiv thaiv corrosion, thiab kev ua haujlwm ntawm kev lag luam. Nrog rau kev nce qib hauv cov hmoov npaj thiab kev tsim / sintering thev naus laus zis, cov khoom siv tsim yuav ua kom zoo dua qub thiab ua haujlwm zoo, muab cov kev daws teeb meem txhim khu kev qha rau siab -kev tsim khoom thiab kev lag luam tawm tshiab.