Foda karfe fasaha ne na tsari da ke samar da karfe ko yin amfani da foda na karfe a matsayin kayan danye, bayan an yi shi da hadawa, don samar da kayan karfe, hadawa da nau'o'in kayayyaki daban-daban.

Foda metallurgy fasahar tsari
1. Powder shiri da matsawa gyare-gyare
Fitar da injin da aka fi amfani da shi, atomization, hanyoyin jiki da sinadarai don shirya foda.Ana waƙa da foda da aka shirya sannan a haɗe, kayan an haɗa su daidai da juna kuma ana ƙara masu robobin da suka dace, sa'an nan kuma a matse su cikin siffar.Atom ɗin da ke tsakanin ɓangarorin foda sune tsattsauran lokaci-lokaci watsawa da ɓoyewar injiniya, don haka an haɗa sassan gaba ɗaya tare da wani ƙarfi..Mafi girman matsa lamba, mafi girman girman sashi da haɓakar ƙarfin da ya dace.Wani lokaci don rage matsa lamba da kuma ƙara yawan sassa, ana iya amfani da hanyar matsi mai zafi na isostatic.

2. Zumunci
Ana sanya ɓangaren da aka danna a cikin rufaffiyar murhu tare da rage yanayi don ɓacin rai, kuma zafin zafin jiki yana da kusan sau 2/3 zuwa 3/4 na narkewar ƙarfe na tushe.Saboda yaduwar nau'ikan nau'ikan zarra a babban zafin jiki, raguwar oxides a saman foda da recrystallization na gurɓataccen foda, ana haɗa ƙwayoyin foda tare da juna, wanda ke haɓaka ƙarfin samfuran ƙarfe na foda da samun wani tsari mai kama da na gama-gari.Har yanzu akwai wasu ƙananan pores a cikin sassan da aka ɓalle, waɗanda kayan da ba su da ƙarfi ne.
Uku, bayan aiwatarwa
A karkashin yanayi na al'ada, sassan da aka yi amfani da su na iya cimma aikin da ake bukata kuma ana iya amfani da su kai tsaye.Amma wani lokacin, ana buƙatar aiwatar da aikin dole.Misali, madaidaicin matsi na jiyya na iya inganta yawa da daidaiton girman sassan;quenching da surface quenching jiyya a kan baƙin ƙarfe tushen foda karfe sassa na iya inganta su inji Properties;nutsar da mai ko nutsewa don lubrication ko juriya na lalata.Liquid mai mai;maganin kutsawa na kutsawa ƙananan ƙarfe mai narkewa a cikin ramukan ɓangaren na iya inganta ƙarfi, taurin, filastik ko tasirin tasiri na ɓangaren.
Ana amfani da sassan ƙarfe na foda a ko'ina a masana'antu daban-daban: masana'antar mota, wuraren aiki tare, zoben daidaitawa, jakunkuna, masu daidaitawa;daban-daban bearings, foda metallurgy gears, karfe tsarin sassa, da dai sauransu ana amfani da ko'ina a cikin masana'antu masana'antu.