Qhov kub kub alloy yog dab tsi?
High-temperature alloys yog ib chav kawm ntawm cov ntaub ntawv hlau uas muaj cov khoom zoo heev xws li oxidation tsis kam, corrosion kuj, siab zog, siab toughness, thiab lwm yam nyob rau hauv high-temperature ib puag ncig (feem ntau hu ua kub siab tshaj 600 degree). Cov khoom zoo heev no ua rau cov khoom kub kub hauv ntau yam huab cua muaj peev xwm tswj tau cov qauv ruaj khov thiab kev ua tau zoo, yog li nws tau dhau los ua cov khoom txhawb nqa tseem ceeb rau niaj hnub high-tech.
Cov yam ntxwv ntawm kev ua tau zoo ntawm high-temperature alloys
High-temperature alloys muaj cov yam ntxwv tseem ceeb hauv qab no:
1. High Strength: High kub alloys muaj zog zoo nyob rau hauv high kub tej yam kev mob thiab muaj peev xwm tiv taus siab heev loads.
2. High toughness: high-temperature alloys muaj siab tawg toughness nyob rau hauv high-temperature ib puag ncig thiab zoo heev qaug zog kuj.
3. Oxidation kuj: nyob rau hauv qhov kub-kub oxidation ib puag ncig, high-temperature alloys muaj oxidation tsis kam, tuaj yeem tswj cov khoom ruaj khov.
4. Corrosion kuj: high-temperature alloys muaj corrosion kuj zoo, muaj peev xwm tiv taus tshuaj tua kab mob ntawm qhov kub thiab txias.
5. Thermal stability: high-temperature alloys muaj thermal stability zoo ntawm qhov kub thiab txias, kom muaj kev ruaj ntseg ntawm cov khoom siv thiab cov qauv.
Hom kub-kub alloys
High-temperature alloys tuaj yeem muab faib ua pawg hauv qab no raws li cov ntsiab lus sib txawv ntawm matrix:
1. Hlau-raws li high-temperature alloys: hlau raws li lub matrix caij, lub ntsiab ntxiv ntsiab yog chromium, npib tsib xee, cobalt thiab hais txog. Nws muaj qhov zoo oxidation tsis kam, corrosion kuj thiab siab zog, dav siv, kuj tsis tshua muaj nqi.
2. Nickel-based high-temperature alloys: npib tsib xee ua lub hauv paus, cov ntsiab lus ntxiv yog chromium, hlau, molybdenum, cobalt thiab lwm yam. Nws muaj kev tiv thaiv oxidation zoo heev, tiv thaiv corrosion thiab ultra-siab zog, kev ua tau zoo dua ntawm qhov kub thiab txias. Tab sis tus nqi siab dua.
3. cobalt-raws li high-temperature alloys: cobalt raws li lub hauv paus ntsiab lus, lub ntsiab ntxiv rau chromium, tungsten, npib tsib xee, thiab lwm yam.. Nrog lub zog siab thiab toughness, haum rau qhov kub thiab txias ib puag ncig. Nqis, kuj tsawg daim ntawv thov.
4. Lwm yam kub kub alloys: xws li txhuas-raws li, titanium-raws li, molybdenum-raws li high-temperature alloys, nrog rau lawv tus kheej tej thaj chaw ntawm daim ntawv thov.
Kev siv cov hlau kub kub
High-temperature alloys muaj ntau yam kev siv hauv kev lag luam niaj hnub thiab kev tshawb fawb thiab thev naus laus zis, feem ntau suav nrog cov hauv qab no:
1. Aerospace: High-temperature alloys yog cov ntaub ntawv tseem ceeb hauv cov khoom kub kub xws li aero-engines, foob pob hluav taws cav thiab lub dav hlau. Piv txwv li, high-temperature alloys yog dav siv nyob rau hauv cov khoom xws li turbine disks, turbine blades thiab nozzles ntawm aero-engines, raws li zoo raws li nyob rau hauv ib qho tseem ceeb qhov chaw xws li combustion chambers thiab nozzles ntawm foob pob ua ntxaij cav. High-temperature alloys muaj peev xwm tiv taus qhov kub thiab txias thiab kev ntxhov siab hauv cov ntawv thov no, ua kom muaj kev ntseeg siab thiab kev nyab xeeb ntawm cov tsheb aerospace.
2. Nuclear Power Generation: Nyob rau hauv kev tsim thiab tsim ntawm nuclear fais fab nroj tsuag, high-temperature alloys yog dav siv nyob rau hauv tseem ceeb qhov chaw xws li cov hlab ntsha siab, roj rods thiab tshav kub exchangers ntawm nuclear reactors. High-temperature alloys nyob rau hauv cov khoom no tuaj yeem tiv taus hluav taws xob muaj zog thiab corrosion, lav kev nyab xeeb thiab ruaj khov ntawm kev tsim hluav taws xob nuclear.
3. Petrochemical: Hauv cov khoom siv petrochemical, cov khoom siv kub kub yog siv rau hauv catalytic burners, heat exchangers, pipelines thiab lwm yam khoom, uas muaj peev xwm tiv taus kub kub, siab siab thiab corrosion kuj thiab ntev kev pab cuam lub neej ntawm cov khoom.
4. Automotive manufacturing: Hauv kev tsim tsheb, cov hlau kub kub yog siv rau hauv cov khoom tseem ceeb xws li cav, turbochargers, cov tshuab tso pa, thiab lwm yam, uas txhim kho cov thermal efficiency thiab kev ua haujlwm ntawm lub cav.
5. Cov Khoom Siv Hluav Taws Xob: Hauv kev tsim hluav taws xob thermal, roj turbines thiab lwm yam khoom siv hluav taws xob, cov khoom siv hluav taws xob kub kub yog siv rau hauv cov khoom siv hluav taws xob, cov turbine hniav thiab lwm qhov ntawm cov khoom siv los txhim kho kev ua haujlwm thiab kev ntseeg tau.
Txoj kev loj hlob yav tom ntej ntawm kev kub-kub alloys
Nrog rau kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis thiab kev tsim kho kev lag luam, qhov kev thov rau cov khoom siv kub kub yuav tsum tau nthuav dav ntxiv, thiab kev txhim kho yav tom ntej ntawm cov kub kub alloys yog feem ntau xav txog hauv qab no:
1. Cov ntaub ntawv tshiab tshawb fawb thiab kev tsim kho: nrog rau kev tsim cov khoom siv tshiab, yuav muaj kev ua tau zoo dua ntawm kev kub siab alloy yug. Cov alloys kub kub tshiab yuav muaj zog dua, toughness, oxidation tsis kam thiab corrosion kuj kom tau raws li cov kev xav tau yav tom ntej ntawm kev thov kev lag luam ntau dua.
2. ntsuab manufacturing: nrog rau kev txhim kho ntawm ib puag ncig kev paub, kub kub alloy txheej txheem ntau lawm yuav xyuam xim ntau rau kev tiv thaiv ib puag ncig thiab kev txuag. Yav tom ntej high-temperature alloy manufacturing yuav siv ntau ntsuab, tsawg-carbon ntau lawm txheej txheem, txo qhov cuam tshuam rau ib puag ncig.
3. Txo cov nqi: Nrog rau kev tsim cov ntaub ntawv kev tshawb fawb, lub neej yav tom ntej ntawm high-temperature alloy manufacturing nqi yuav tsum raug txo kom tsawg, kom ntau qhov chaw tuaj yeem siv dav hauv high-temperature alloys. Los ntawm kev txhim kho kev tsim khoom thiab txo cov nqi ntawm cov khoom siv raw, cov khoom siv kub kub yuav muaj kev sib tw ntau dua yav tom ntej.
4. Kev ua kom zoo dua qub thiab tsim qauv: Kev ua haujlwm ntawm cov khoom siv hluav taws xob kub siab tuaj yeem txhim kho ntxiv los ntawm kev ua kom zoo ntawm cov qauv tsim ntawm lawv cov microstructure thiab lub koom haum. Piv txwv li, lub zog thiab toughness ntawm cov kub kub alloys tuaj yeem txhim kho los ntawm kev kho cov khoom xws li cov nplej loj thiab theem muaj pes tsawg leeg.
5. 3D tshuab luam ntawv: nrog rau kev txhim kho 3D tshuab luam ntawv, yav tom ntej kev tsim khoom ntawm high-temperature alloys yuav hloov tau ntau dua thiab muaj txiaj ntsig. High-temperature alloy Cheebtsam tsim los ntawm 3D tshuab luam ntawv yuav muaj kev ua tau zoo dua thiab ntau cov qauv kom tau raws li cov kev xav tau ntawm kev siv high-tech yav tom ntej.
