Ƙarfin zafin jiki na yumbura

Deqing Yehui Ceramic Parts Manufacture Co., Ltd yana cikin gundumar Deqing, birnin Huzhou, lardin ZheJiang na kasar Sin.Yana da kusan 200km daga tashar jiragen ruwa na Shanghai, mun ƙware a masana'antar Zirconia Ceramics da Alumina yumbu sassa tare da shekaru 10.

Babban juriya na zafin jiki na yumbun tsarin shine gabaɗaya mafi kyau, yawanci ƙasa da 800 ° C, kuma zafin jiki yana da ɗan tasiri akan ƙarfin kayan yumbu.Idan aka kwatanta da covalent bond yumbu, ion-bonded tukwane suna da mafi talauci high zafin jiki juriya.Gabaɗaya magana, a cikin ƙananan zafin jiki, gazawar yumbura abu ne mai karyewa, wato, babu nakasar filastik, kuma babban nau'in ɗanɗano ne sosai, kuma yana da matukar damuwa ga ƙananan lahani.Duk da haka, a cikin babban yankin zafin jiki, yumbura na iya haifar da ƙananan nakasar filastik kafin karaya, babban nau'i yana karuwa sosai, kuma akwai ƙananan halayen elastoplastic.Bugu da ƙari, ƙwarewar ƙarfi ga lahani ya bambanta sosai.Iyakar da ke tsakanin ƙananan zafin jiki da yankin zafin jiki mai girma wanda ke samar da wannan canjin kayan abu yawanci ana kiransa zazzabin canji na ductility.Matsakaicin zafin canji na ductility yana da alaƙa da alaƙa da sinadarin yumbu da nau'in valence bond.Dace, amma kuma alaka da microstructure na yumbu, da abun da ke ciki na hatsi iyaka lokaci, musamman abun da ke ciki da abun ciki na hatsi iyaka gilashin lokaci.A babban yanayin zafi, sama da gaggautsa zafin canji na ductility, ƙarfin yawancin kayan yumbu zai ragu.Don tukwane na MgO da ke da ion ion, zafin sauye-sauyen ductility yana da ƙasa sosai, kuma ƙarfin yana raguwa tare da haɓakar zafin jiki kusan daga zafin ɗaki.The gaggautsa ductility miƙa mulki zafin jiki na Al2O3 ne game da 900 ° C, gaggautsa ductility canjin zafin jiki na zafi-latsa sintered Si3N4 ne game da 1200 ° C, da kuma SiC yumbu iya sau da yawa jure babban yanayin zafi na 1600 ° C.