Nyob rau hauv cov txheej txheem tempering, tom qab cov ntsia hlau yog me ntsis puas los ntawm tsub zuj zuj ntawm hydrogen nyob rau hauv lub grain ciam teb ntawm lub nto micro- cheeb tsam, me ntsis hydrogen embrittlement phenomena xws li claw kab yuav tshwm sim, los yog nws tej zaum yuav sib tsoo tawg. Cov kab nrib pleb yuav tsum tau txuas ncaj qha rau saum npoo. Decarburization muaj feem xyuam. Kev daws qhov decarburization txhais tau tias daws teeb meem tawg.
Plaub qhov xwm txheej hauv qab no tuaj yeem ua rau lub network tawg:
1. There is the possibility of grinding cracks;
2. Nws kuj yuav yog qhov tawg los ntawm quenching;
3. Nws yuav yog ib qho tempering tawg uas hloov los ntawm Paralympic mus rau martensite thaum lub sij hawm tempering txheej txheem;
4. Nws kuj tuaj yeem tshwm sim los ntawm kub tawg los ntawm cov cua kub ntau dhau thaum lub sij hawm quenching;
Hauv cov txheej txheem quenching, vim qhov sib txawv ntawm cov ntsiab lus ntawm cov pa roj carbon monoxide, qhov kev hloov pauv ntawm qhov saum npoo tau tshwm sim thawj zaug thaum lub caij txias, thiab tom qab ntawd cov qauv hloov pauv tshwm sim, uas ua rau muaj kev ntxhov siab thiab tawg. Nyob rau hauv cov txheej txheem txias, qhov chaw ua ntej tshwm sim vim Lub koom haum hloov pauv, thiab tom qab ntawd lub koom haum lub plawv hloov pauv, uas ua rau tawg ntawm cov khoom siv. Cov khoom siv raw muaj cov kab nrib pleb, thiab muaj decarburization ntawm ob sab ntawm qhov tawg tom qab quenching. Tom qab quenching, qhov tawg propagates thiab tsis muaj decarburization ntawm ob sab ntawm qhov nthuav dav. Qhov saum npoo ntawm cov khoom siv raw tom qab decarburization thiab quenching nyob ntawm qhov loj ntawm qhov, qhov hnyav ntawm decarburization, thiab cov txheej txheem quenching txoj kev thiab lwm yam, feem ntau decarburization, muaj peev xwm ntawm decarburization ntawm kub tom qab quenching yog heev me me, tom qab quenching. decarburization thiab raw cov ntaub ntawv decarburization yog superimposed ua ke, decarburization yuav ua rau kom tawv tawv, thiab lwm yam.
Hu rau tam sim no
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