YAYA AKE YIN TEMPED GLASS?

Gilashin zafin jiki yana da ƙarfi kusan sau huɗu fiye da “talakawa,” ko annealed, gilashi. Kuma ba kamar gilashin da aka toshe ba, wanda zai iya tarwatsewa zuwa ɓangarorin jakunkuna idan ya karye, gilashin mai zafin nama ya karye zuwa ƙanana, marasa lahani. A sakamakon haka, ana amfani da gilashin zafi a cikin wuraren da lafiyar ɗan adam ke da matsala. Aikace-aikace sun haɗa da tagogin gefe da na baya a cikin motoci, ƙofofin shiga, shawa da shawagi, kotunan wasan raye-raye, kayan daki na baranda, murhun microwave da fitilun sama.

Don shirya gilashi don tsarin zafin jiki, dole ne a fara yanke shi zuwa girman da ake so. (Ragin ƙarfi ko gazawar samfur na iya faruwa idan duk wani aikin ƙirƙira, kamar etching ko edging, ya faru bayan maganin zafi.) Ana bincika gilashin don rashin lahani wanda zai iya haifar da karyewa a kowane mataki yayin zafin rai. Abrasivesuch kamar yashi yana ɗaukar gefuna masu kaifi daga gilashin, wanda aka wanke daga baya.
TALLA

Bayan haka, gilashin yana fara tsarin maganin zafi wanda yake tafiya ta cikin tanda mai zafi, ko dai a cikin tsari ko ci gaba da ciyarwa. Tanda na dumama gilashin zuwa zafin jiki fiye da digiri 600 na ma'aunin celcius. (Ma'auni na masana'antu shine 620 digiri Celsius.) Gilashin sannan yana fuskantar babban yanayin sanyaya mai tsanani da ake kira "quenching." A yayin wannan tsari, wanda ke ɗaukar daƙiƙa kaɗan, iska mai tsananin ƙarfi tana fashewa da saman gilashin daga jeri na nozzles a wurare daban-daban. Quenching yana sanyaya saman gilashin da sauri fiye da tsakiyar. Yayin da tsakiyar gilashin yayi sanyi, yana ƙoƙarin ja da baya daga saman saman. A sakamakon haka, cibiyar ta kasance cikin tashin hankali, kuma abubuwan da ke waje suna shiga cikin matsawa, wanda ke ba da gilashin gilashin ƙarfinsa.

Gilashin da ke cikin tashin hankali yana karya kusan sau biyar cikin sauƙi fiye da yadda yake yi a cikin matsawa. Gilashin da aka goge zai karye a fam 6,000 a kowace inci murabba'i (psi). Gilashin zafin jiki, bisa ga ƙayyadaddun tarayya, dole ne ya sami matsa lamba na 10,000 psi ko fiye; gabaɗaya yana karye a kusan 24,000 psi.

Wata hanyar yin gilashi mai zafi ita ce zafin jiki, inda wasu sinadarai suna musayar ions a saman gilashin don haifar da matsawa. Amma saboda wannan hanya ta fi tsada fiye da yin amfani da tanda mai zafi da kashe wuta, ba a amfani da ita sosai.