Mutane da yawa suna son sanya kayan ado na ƙarfe masu daraja irin su mundaye, sarƙoƙi, zobe, 'yan kunne, da sauransu. Babban karafa da ake amfani da su wajen kayan ado sune zinare da platinum.
Mataki na farko na yin kayan adon ƙarfe mai daraja shine narke ƙarfe mai daraja ta hanyar atanderun narkewa.Akwai nau'ikan murhun wuta da yawa a kasuwa.Za mu fuskanci wasu matsaloli lokacin zabar tanderun narkewa.Ba mu yi ba't san abin da ke narkewa tanderu ya fi dace da mu karfe kayan narkewa bukatun.
A cikin masana'antar kayan ado, an saba amfani da tanderun ƙarafa don narke karafa.Don haka idan kuna son zaɓar amurhun wuta, kana bukatar ka kula da wadannan abubuwa:
A haƙiƙa, ana amfani da tanderun narkewar induction a matsakaicin mitoci da manyan tanderun lantarki.Matsakaicin zafin jiki na tanderun narkewa na matsakaici shine 2600°C. Matsakaicin zazzabi na babban tanderun mitar shine 1600°C. Don haka idan kuna neman siyan murhun induction, ya dogara da ƙarfen da kuke son narke.
Matsayin narkewar zinari shine 1064°C, wurin narkewa na platinum shine 1768°C, kuma wurin narkewar azurfa shine 961°C. Don haka idan kun narkar da zinariya da azurfa, ya kamata ku yi amfani da tanderun narkewa mai girma, ba tanderu mai matsakaici ba.Idan zafin narkewar ya yi yawa, zai haifar da canji a ingancin ƙarfe.Karfe narkakkar na iya zama gurɓata.
Af, lokacin zabar wutar lantarki mai narkewa, muna kuma buƙatar kula da nau'in crucible.Akwai nau'i biyu na crucibles: graphite crucible da quartz crucible.Dangane da zafin jiki na narkewa, ana amfani da crucibles graphite a cikin tanda mai tsayi.Kuma quartz crucible don matsakaicin mitar tanderu.Quartz ya fi juriya ga yanayin zafi fiye da graphite.Ya kamata a lura cewa ana iya amfani da azurfa ne kawai a cikin crucibles graphite, ba a cikin ma'adinan ma'adini ba.Domin azurfar tana amsawa da ma'adini kuma tana hana azurfar ta narke gaba ɗaya, sannan ta manne a kan crucible kuma ta haifar da asara mai yawa.
Lokacin aikawa: Fabrairu-08-2023