2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ib qho piv txwv ntawm brittle alloy yog cam khwb cia hlau. Hydrogen embrittlement yog ib qho tshwm sim los ntawm hydrogen atoms diffusing mus rau hauv lub micro-structure ntawm ib tug hlau ua rau nws ua nkig ntau, ua rau tam sim ntawd thiab unpredictable puas (hydrogen induced cracking).
Dab tsi ua rau hydrogen embrittlement hauv steel?
Hydrogen Embrittlement tshwm sim thaum cov hlau ua nkig vim qhov kev taw qhia thiab nthuav tawm ntawm hydrogen rau hauv cov khoom. Qib ntawm embrittlement yog cuam tshuam los ntawm tus nqi ntawm hydrogen absorbed thiab microstructure ntawm cov khoom.
Koj paub li cas hydrogen embrittlement?
Kev sim khoov yooj yim feem ntau yog siv los kuaj pom muaj hydrogen embrittlement. Met-allographic cov tswv yim (Daim duab 4) kuj tseem siv tau los saib qhov ze ze ntawm qhov chaw thiab rau qhov muaj cov voids ntawm cov ciam teb.
Yuav ua li cas hydrogen de embrittlement txheej txheem?
De-embrittlement yog txheej txheem ntawm cov hlau tawv, tshwj xeeb yog cov hlau tsis muaj zog hydrogen uas tau tsis txhob txwm qhia rau hydrogen. Qhov kev raug hydrogen no ua rau cov hlau nkig thiab tawg; kev puas tsuaj rau cov hlau muaj zog thiab lwm yam hlau siv.
Puas stainless hlau raug kev txom nyem los ntawm hydrogen embrittlement?
Annealed hom 304 stainless hlau is susceptible to hydrogen embrittlement in nro, Table 3.1.1.1. … Hydrogen muaj qhov cuam tshuam tsis zoo rau kev tawm dag zog ntawm hom 304 stainless hlau uas tsis muaj martensite thiab carbide nag lossis daus, tab sis me ntsis txo lub zog qhov kawg.
Pom zoo:
Cam khwb cia hlau yog dab tsi?
cam khwb cia hlau yog ib pawg hlau-carbon alloys nrog cov ntsiab lus carbon ntau dua 2%. Nws cov txiaj ntsig tau muab los ntawm nws qhov ntsuas kub qis qis. Qhov txawv ntawm hlau thiab cam khwb cia yog dab tsi? Wrought Iron yog hlau uas tau ua kom sov thiab ua haujlwm nrog cov cuab yeej.
Puas yog cam khwb cia hlau?
cam khwb cia hlau, ib qho hlau ntawm cov hlauuas muaj 2 mus rau 4 feem pua carbon, nrog rau ntau qhov sib txawv ntawm silicon thiab manganese thiab cov kab tsis huv xws li sulfur thiab phosphorus. Nws yog tsim los ntawm kev txo cov hlau ore hauv qhov cub tawg.
Vim li cas grey cam khwb cia hlau nthuav dav rau qhov txias?
Kev nthuav dav hauv cov hlau grey yog vim muaj cov pa roj carbon dawb (graphite). … Txhua yam hlau uas muaj carbides muaj tsawg nthuav dav ntawm qhov txias thiab qhov siab tshaj plaws nthuav dav yog nyob rau hauv cov ntaub ntawv nodular/ductile hlau.
Dab tsi yog enameled cam khwb cia hlau?
Enameled cam khwb cia hlau yog cam khwb cia hlau uas muaj vitreous enamel glaze siv rau saum npoo. Lub fusion ntawm glaze nrog cov cam khwb cia hlau tiv thaiv rusting, tshem tawm qhov xav tau rau lub caij cov hlau, thiab tso cai rau kev tu kom huv si.
Lub caij cam khwb cia hlau cas?
Yuav Ua Li Cas Caij Koj Cov Cast-Iron Skillet: Scrub skillet zoo hauv dej soapy. Nyob zoo. Siv ib txheej nyias ntawm melted shortening los yog zaub roj tshaj lub skillet. Muab nws tso rau ntawm lub qhov cub nruab nrab ntawm 375 °. (Thov cov ntawv ci rau ntawm lub khib nyiab qis kom ntes cov drips.
