Yog hlau chromium txhuas hluav taws xob cua sov hlau yuav tsum tau qis dua rau nickel chromium hluav taws xob cua sov hlau

Yog hlau chromium txhuas hluav taws xob cua sov hlau yuav tsum tau qis dua rau nickel chromium hluav taws xob cua sov hlau

Cov lus teb, tau kawg, yog qhov tsis zoo. Ob hom hluav taws xob cua sov xov hlau muaj lawv tus kheej zoo. Ntau zaus, cov chaw tsim khoom loj loj thiab txawm tias cov tuam txhab tsim khoom yuav tsum siv cov hlau chromium txhuas hluav taws xob cua sov xov hlau vim tias lawv muaj zog tiv thaiv qhov kub thiab txias, xws li 27MO2 tuaj yeem ncav cuag 1400 degrees, thiab qee cov nickel chromium xov hlau tuaj yeem ncav cuag 1200 degrees. Yog li, dab tsi yog qhov txawv ntawm cov hlau chromium txhuas hluav taws xob cua sov xov hlau thiab nickel chromium xov hlau? Cia peb qhia rau koj hauv qab no:

Lub ntsiab zoo thiab qhov tsis zoo ntawm cov hlau chromium aluminium alloy series:

Qhov zoo: Hlau chromium aluminium hluav taws xob cua sov alloy muaj qhov ua haujlwm siab, nrog kev ua haujlwm siab txog li 1400 degrees Celsius (0Cr21A16Nb, 0Cr27A17Mo2, thiab lwm yam), lub neej ntev kev pab cuam, siab nto load, zoo oxidation kuj, siab hluav taws xob resistivity, thiab tus nqi qis.

Disadvantages: Feem ntau yog vim tsis tshua muaj high-temperature lub zog, nws plasticity nce raws li qhov kev siv kub nce, thiab cov khoom yog nquag deformation, ua rau lawv nyuaj rau khoov thiab kho.

Lub ntsiab zoo thiab qhov tsis zoo ntawm cov nickel chromium hluav taws xob cua sov alloy series:

Qhov zoo: Lub zog kub kub yog siab dua li cov hlau, chromium, thiab txhuas. Nws tsis yooj yim deformed nyob rau hauv kev siv kub, thiab nws cov qauv tsis yooj yim hloov. Nws muaj zoo plasticity thiab yooj yim kho. Nws cov hluav taws xob hluav taws xob yog siab, nws tsis yog hlau nplaum, muaj zog corrosion kuj, thiab muaj lub neej ua haujlwm ntev.

Qhov tsis zoo: Vim yog siv cov khoom siv nickel tsawg dua, tus nqi ntawm cov khoom siv no yog ob peb zaug siab dua li ntawm cov hlau chromium aluminium, thiab qhov kev siv kub yog qis dua li ntawm cov hlau chromium aluminium.

Cov khoom siv hluav taws xob cua sov yuav tsum ua raws li cov hauv qab no:

1) Vim hais tias hluav taws xob cua sov xov hlau ua haujlwm ntawm qhov kub thiab txias tau ntev, lawv cov oxidation kuj zoo thiab lawv cov ntsiab lus melting siab;

2) Kev ua haujlwm ntawm hluav taws xob cua sov hlau yog qhov zoo;

3) Hluav taws xob cua sov xov hlau muaj kev ruaj ntseg zoo thiab tuaj yeem ua haujlwm tau ntev hauv ntau qhov chaw;

4) Lub resistivity ntawm hluav taws xob cua sov hlau

Nws yuav tsum siab thiab qhov kub coefficient yuav tsum me me.

Lub melting point ntawm tooj liab hlau yog tsawg heev, thiab nws cov antioxidant kev ua tau zoo heev tsis zoo tom qab cua sov, yog li tooj liab tsis tuaj yeem siv los ua cov khoom siv hluav taws xob.

Cov khoom siv hluav taws xob cua sov uas muaj xws li:

Nickel chromium hlau, hlau chromium txhuas hluav taws xob cua sov hlau, tungsten hlau, molybdenum hlau, thiab lwm yam.

Cov khoom siv hluav taws xob cua sov yuav tsum ua raws li cov hauv qab no:

1) Vim hais tias hluav taws xob cua sov xov hlau ua haujlwm ntawm qhov kub thiab txias tau ntev, lawv cov oxidation kuj zoo thiab lawv cov ntsiab lus melting siab;

2) Kev ua haujlwm ntawm hluav taws xob cua sov hlau yog qhov zoo;

3) Hluav taws xob cua sov xov hlau muaj kev ruaj ntseg zoo thiab tuaj yeem ua haujlwm tau ntev hauv ntau qhov chaw;

4) Cov hluav taws xob tiv thaiv hluav taws xob ntawm cov hluav taws xob cua sov yuav tsum siab thiab qhov kub coefficient yuav tsum me me.

Lub melting point ntawm tooj liab hlau yog tsawg heev, thiab nws cov antioxidant kev ua tau zoo heev tsis zoo tom qab cua sov, yog li tooj liab tsis tuaj yeem siv los ua cov khoom siv hluav taws xob.

Cov khoom siv hluav taws xob cua sov uas muaj xws li:

Nickel chromium hlau, hlau chromium txhuas hluav taws xob cua sov hlau, tungsten hlau, molybdenum hlau, thiab lwm yam.

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