Yi zura daBayan Quenching, Martinsite da kuma ci gaba da rashin kwanciyar hankali, suna da yanayin canji mai mahimmanci don daidaita tafiyarwar kungiyar, wannan tsari ya dogara da tashin hankali na atomic da yaduwar wannan izini Tare da yadda kuka gama zafin jiki na wuta ya fi girma, saurin yaduwar zazzabi; akasin haka, da karuwar zafin jiki, tsarin ƙyalli zai sami jerin canje-canje. Dangane da yanayin canjin microstruchure, wanda aka raba gaba ɗaya cikin matakai hudu: Martenceswarcewararrun bazuwar lalacewa, ci gaban Austenite da Ferbide.
Mataki na farko (200)
(1) KagajiMarting Martensite ba a rushe a ƙarƙashin zafin jiki na 80, quenching Karfe ba tare da fassarar Martbon ba, kuma ba farawa a cikin wannan matakin kawai, mawuyacin zafin jiki kawai, martani ne kawai Kashi na Carbon Carbon atoms, saboda haka har yanzu yana da carbon a cikin - fesa mai ƙarfi a cikin hazo sosai a cikin matrix na Martence. Haɗewar tsarin mawencesite da lafiya carbide da kyau ana kiranta Martensite.
(2)KagajiZuciya a cikin mataki na biyu (200-300), ragowar yanayin bazuwar ta zama ta hanyar fadada yankin Alfa wanda ya ci gaba, amma ga wani yanki na Carbide na Carbide, wato samuwar Boinite Karfe Haramun ne a fili raguwa a wannan matakin
(3)Mataki na uku (250-400) Canjin Carbide na share haushi yana cikin wannan yanayin zafin jiki. Saboda tsananin zafin jiki, carbon atom wanda yaduwar mutum ya fi karfi, da raguwar Martensite a cikin Carbon Carbon, Martences lattice gadar. Samu rarraba matrix matrix a cikin karamin ungulu ko Lamellar Carment na Masarautar, kungiyar da ake kira tazanta cikin damuwa, taurin kai, madawwamin ya inganta
(4)Mataki na hudu na m ya manta da damuwa (& GT ko takardar, da kuma samar da rarraba hatsi na polygon a kan kungiyar a matsayin manyan matrix na matrix, ƙungiyar da ake kira taperacting Sorbite na zamani da kuma lattice na kawar da damuwa na ciki.
(Daga 168 mvanting raga)
Lokaci: Aug-05-2020