Foda Metallurgy Bakin Karfe

Hanyar farko ta sarrafa ƙarfe na foda don bakin karfe shine:

Yin sarrafa bakin karfen foda na ƙarfe da farko yana amfani da wannan foda a matsayin ɗanyen abu, wanda sai a juyar da shi kuma a tace shi ta hanyar yin amfani da fasaha. Hada foda, latsawa, sintering, kammalawa, da kuma bayan-aiki sune matakan farko a cikin sarrafa karafa na foda na bakin karfe. Wasu ayyuka da yawa suna ƙarƙashin nau'in sarrafa kayan aiki, gami da injina, tattara kaya, da zubar da mai.

A cikin wannan tsari na gudana, an fara haɗe foda na bakin karfe da aka shirya don ƙirƙirar foda mai tsabta mai tsabta. Ana ɗora foda a cikin wani nau'i kuma an danna shi zuwa siffar ƙarƙashin takamaiman matsi. Ana sanya koren takardar da aka danne a cikin tanderun yanayi mai sarrafawa kuma a sanya shi a zafin jiki a ƙasan wurin narkewar kayan matrix, yana haifar da barbashi na foda don yin magani mai zafi mai zafi da samar da haɗin ƙarfe.

Bari mu gabatar da aiwatar da bakin karfe foda sarrafa karafa a matakai.

1. Hadawa

Mix da bakin karfe foda tare da additives da kuma motsa su bisa ga lokaci bukatun don samar da wani high-tsarki gauraye foda.

2. Samar da

Dangane da girman, tsari, tsari da zane-zanen ƙirar samfurin, danna shi don yin ƙirar carbide, sannan shigar da injin don gwada ƙirar, kuma gwada samfurin. Tsarin ƙirar ƙira da sake zagayowar samarwa shine mako ɗaya.

3. Ragewa

Ana sarrafa zafin jiki na raguwa a digiri 800, kuma ana amfani da tanderun kararrawa ko murhun bel don ragewa. Manufar ita ce cire abin da aka ƙara mai.

4. Tsayawa

A cikin sarrafa bakin karfe foda karafa, sintering ne key tsari. Ƙarshe na ƙarshe na jiki da na inji da ake buƙata ta hanyar ƙaddamarwa da aka kafa ana samun su ta hanyar sintering. Sintering ya kasu kashi uku tsarin sintering da Multi-bangaren tsarin sintering. A ainihin samarwa, don tsayayyen lokaci sintering na naúrar tsarin da Multi-bangaren tsarin, da sintering zafin jiki ne m fiye da narkewa batu na karfe da gami amfani.

5. Magani na gaba

Ana iya kammala jiyya na gaba bayan sintering ta hanyoyi daban-daban bisa ga buƙatun samfurin. Misali, gamawa, mai, injina, maganin zafi da lantarki ana amfani da su a zahirin samarwa. Bugu da ƙari, a cikin 'yan shekarun nan, an samar da wasu sababbin matakai, irin su birgima da ƙirƙira. Hakanan za'a iya amfani da waɗannan matakai don sarrafa kayan ƙarfe na foda bayan sintering don samun ƙarin tasirin sarrafawa mai kyau.

Hanyoyin inganta ƙarfi da taurin foda metallurgy bakin karfe

Na farko, bakin karfe yana samuwa a cikin jiki, sa'an nan kuma a sanya jiki a cikin wuri mai ragewa kuma a kiyaye shi a yanayin zafi mai zafi don samar da jiki mai laushi. Sa'an nan kuma, jikin da aka yi amfani da shi yana nunawa zuwa yanayin da ke dauke da carbon kuma ana kiyaye shi a zafin jiki na carburizing da ke ƙasa da 600 ° C, ta yadda carbon zai iya samar da wani yanki na carburized a saman da kuma cikin jikin da aka lalata. Ta wannan hanyar, za a iya inganta taurin da ƙarfin foda metallurgy bakin karfe ta wurin carburized, da kuma saboda dumama zafin jiki ne kasa 600 ° C, da dauki tsakanin chromium da carbon za a iya hana, ta yadda mai kyau lalata juriya kuma za a iya kiyaye.

Mabuɗin Makin Karfe Bakin Karfe a cikin Ƙarfe na Foda