Tsarin simintin gyare-gyaren farantin tagulla

Tin tagulla farantinsimintin tagulla ba zai haifar da simintin gyare-gyare ba.Ana amfani da simintin tagulla sosai a masana'antar injuna, jiragen ruwa, motoci, gini da sauran sassan masana'antu, suna yin simintin tagulla a cikin kayan ƙarfe mara nauyi.Simintin tagulla da aka fi amfani da su sune farantin tagulla, tagullar gubar, ƙarfe na Muntz da tagulla na aluminum.Yawan raguwar gami da Cu-Sn yana da ƙanƙanta sosai (ƙididdigar raguwar linzamin kwamfuta shine 1.45% zuwa 1.5%), kuma yana da sauƙi don samar da hadaddun simintin gyare-gyare da na'urorin hannu tare da bayyanannun alamu waɗanda ke buƙatar ingantattun ƙima.A cikin kwano mai jure lalacewa, abun ciki na phosphorus yawanci ya kai 1.2%.Zinc na iya inganta haɓakar gami da rage juzu'in rarrabuwa na kwano tagulla.Lead yana inganta juriya da lalacewa da kuma injina na gami.Ana amfani da tagulla na simintin simintin gyare-gyare azaman ɓarna da juriyar lalata.Tin Phosphor Bronze: Phosphorus na iya zama kyakkyawan deoxidizer don gawawwakin jan ƙarfe, wanda zai iya ƙara yawan ruwa na gami, inganta fasahar fasaha da kayan aikin gwangwani na gwangwani, amma ƙara ƙimar rarrabuwa.Iyakar solubility na phosphorus a cikin Hebei tin tagulla shine 0.15%, idan adadin da ya wuce kima, zai samar da α+δ+Cu3P ternary eutectic, daskarewa batu shine 628 ℃, yana da sauƙi don samar da zafi mai zafi yayin juyawa mai zafi, don haka ana iya yin aikin sanyi kawai.Don haka, abun ciki na phosphorus a cikin gurɓataccen tagulla bai kamata ya wuce 0.5% ba, don haka phosphorus yakamata ya zama 0.25% yayin aiki mai zafi.Tagullar tin mai ɗauke da phosphorus na iya zama sanannen abu na roba.Lokacin sarrafawa, ya zama dole a sarrafa girman hatsi kafin aikin sanyi da sanyi bayan sarrafa shi.Ƙarfin ƙarfi, ƙarfin ƙarfin ƙarfi da ƙarfin gajiya na kayan da aka yi da kyau sun wuce na kayan da ba su da kyau, amma filastik yana da ƙasa.Ana sanya kayan aikin sanyi a cikin zafin kofi na 200-260 ℃ na tsawon sa'o'i 1-2, wanda ke haifar da haɓakawa da tasirin ƙarfi, wanda zai iya ƙara haɓaka ƙarfi, filastik, iyakoki na roba da ƙarancin elasticity na kayan, da haɓaka sautin elasticity.Tin-zinc bronze: an narkar da adadin da ya wuce kima na zinc a cikin alloy na jan karfe, don haka ƙari na zinc a cikin gurɓataccen tin tagulla yawanci ƙasa da 4%.Zinc na iya inganta yawan ruwa na gami, kunkuntar kewayon zafin jiki na crystallization, da rage rarrabuwa.