Kwallayen tagulla / Kwallayen tagulla

Matakan ilimin jan ƙarfe：

Jan Tagulla wanda aka fi sani da jan jan ƙarfe, abu ne mai sauƙi na jan ƙarfe. An sanya shi suna ne don launinsa mai launin ja-ja bayan an ƙirƙiri fim ɗin oxide a samansa. Jan jan ƙarfe jan ƙarfe ne na masana'antu wanda yake da narkewa na 1083°C, babu canjin canji, da kuma yawan dangi na 8.9, wanda ya ninka na magnesium sau biyar. Nauyin girman wannan ya ninka 15% nauyi fiye da na baƙin ƙarfe.

Tagulla ne wanda yake dauke da wani adadi na isashshen oxygen, saboda haka ana kiransa jan karfe mai dauke da oxygen.

Jan jan ƙarfe nau'in jan ƙarfe ne wanda yake kusan tsarkakakke, wanda gabaɗaya za'a iya kimanta shi azaman jan ƙarfe mai tsabta. Yana da kyakkyawan tasirin lantarki da filastik, amma ƙarfinsa da taurinsa ba su da kyau.

Red jan ƙarfe yana da kyakkyawan tasirin haɓakar thermal, ductility da lalata juriya. Abubuwan da aka gano a jan jan ƙarfe suna da tasiri sosai akan wutar lantarki da haɓakar jan ƙarfe. Daga cikin su, titanium, phosphorus, iron, silicon, da sauransu sun rage tasirin kwalliya sosai, yayin da cadmium, zinc, da sauransu basu da wani tasiri. Sulfur, selenium, tellurium, da dai sauransu suna da ƙarancin solubility mai ƙarancin ƙarfi a cikin jan ƙarfe, kuma yana iya ƙirƙirar mahaɗan maƙarƙashiya tare da jan ƙarfe, wanda ba shi da tasiri kaɗan kan tasirin wutar lantarki, amma zai iya rage filastik ɗin aiki.

Jan jan ƙarfe yana da kyakkyawar juriya ta lalata yanayi, ruwan teku, wasu sinadarai marasa kuzari (hydrochloric acid, tsarma sulfuric acid), alkali, maganin gishiri da kuma nau'ikan kwayoyin acid (acetic acid, citric acid), kuma ana amfani dashi a cikin masana'antar sinadarai. Bugu da kari, jan jan karfe yana da walda mai kyau kuma ana iya sarrafa shi zuwa samfuran da aka gama da su daban-daban ta hanyar aikin sanyi da na thermoplastic.