Tsarin simintin gyare-gyare nasilikon tagulla: narkewa da zuba.Ana narkar da tagulla na siliki a cikin tanderun shigar da acid.Ya kamata a fara zafi da caji zuwa 150 ~ 200 ℃ kafin a saka shi a cikin tanderun, sannan a tsaftace tagulla na electrolytic, a gasa shi a babban zafin jiki kuma a shafe shi sosai kafin amfani.Abubuwan da ke cikin Si shine 3.1%, Mn shine 1.2%, sauran kuma Cu, da Fe shine 0.25% kuma Zn shine 0.3%.Ciyarwa domin: da farko ƙara 0.5% juyi (boric acid + gilashin) na cajin adadin, ƙara crystalline silicon, manganese karfe da electrolytic jan karfe, ƙara yawan zafin jiki zuwa 1250 ℃, ƙara baƙin ƙarfe da tutiya, har sai da zafin jiki yakan zuwa 1300 ℃, rike 10 min, sa'an nan samfurin da kuma zuba a cikin yashi mold gwajin block.Idan gwajin toshe yana cikin baƙin ciki a tsakiya bayan sanyaya, yana nufin cewa gami na al'ada ne, slag scraping daga cikin tanda kuma an rufe shi da perlite don hana iskar oxygen da wahayi.
Yawan zafin jiki ya kasance 1090 ~ 1120 ℃.Don manyan sassa masu sirara, yana da kyau a ɗauki babban allura ko tsarin gating mataki na gefe.Lokacin da yawan zafin jiki ya wuce 1150 ℃, zafi mai zafi yana da sauƙi don faruwa, yayin da yawan zafin jiki ya kasance ƙasa da 1090 ℃, ƙananan lahani suna da sauƙin faruwa.
Idan aka kwatanta da tagulla na gwangwani (Sn 9%, Zn 4%, Cu), ƙarfin ƙarfin silicon tagulla shine 55 ℃, yayin da na tagulla na gwangwani shine 146 ℃, don haka yawan ruwan sa ya fi na tagulla.Ana iya ganin cewa tagulla na silicon ya fi tagulla na gwangwani girma a daidai wannan yanayin da ake zubawa.
Aikin walda na tagulla na siliki, aikin walda na gami da jan ƙarfe daban-daban ya kasu kashi 4 bisa ga fa'ida da rashin amfaninsu, aji 1 yana da kyau, digiri na 2 yana da gamsarwa, aji 3 yana walƙiya ta tsari na musamman, aji 4 bai gamsu ba, Tin Bronze shine daraja 3, yayin da silikon tagulla daraja ce.
Idan aka kwatanta da sauran jan karfe gami, silicon tagulla yana da ƙananan thermal watsin kuma baya bukatar preheating kafin waldi, amma yana da thermal brittleness a cikin kewayon 815 ~ 955 ℃.Koyaya, idan farantin simintin yana da inganci mai kyau, wato, farantin simintin bayan ɗaukar matakan inganta fasaha, aikin ya tabbatar da cewa fashewar zafi ba zai faru a wannan yankin zafin jiki ba.
Silicon tagulla na iya zama waldar gas, waldawar baka, walƙiya TIG na hannu da walƙiyar MIG.
Lokacin aikawa: Agusta-04-2022