gilashin zafi

Gilashin zafin rai/Gilashin ƙarfafawa gilashin aminci ne.Gilashin zafin jiki shine ainihin nau'in gilashin da aka rigaya.Don haɓaka ƙarfin gilashin, ana amfani da hanyoyin sinadarai ko na zahiri don haifar da damuwa a saman gilashin.Lokacin da gilashin ya kasance ƙarƙashin ƙarfin waje, yana farawa da farko yana daidaita yanayin damuwa, don haka inganta ƙarfin ɗaukar hoto da haɓaka juriya na gilashin kanta.Ruwan iska, sanyi da zafi, tasiri, da dai sauransu Kula da hankali don bambanta shi daga gilashin gilashin da aka ƙarfafa filastik.
ciyawa
Gilashi wani abu ne da ba na ƙarfe ba, wanda gabaɗaya an yi shi da ma'adanai iri-iri (kamar yashi quartz, borax, boric acid, barite, barium carbonate, farar ƙasa, feldspar, soda ash, da sauransu) na.Babban abubuwan da ke tattare da shi shine silica da sauran oxides.A sinadaran abun da ke ciki na talakawa gilashin ne Na2SiO3, CaSiO3, SiO2 ko Na2O·CaO · 6SiO2, da dai sauransu Babban bangaren shi ne silicate biyu gishiri, wanda shi ne amorphous m tare da bazuwar tsarin.Ana amfani da shi sosai a cikin gine-gine don toshe iska da haske, kuma yana cikin cakuda.Akwai kuma gilashin kalar da aka haɗe da oxides ko gishiri na wasu karafa don nuna launi, da gilashin zafin da ake samu ta hanyar zahiri ko sinadarai.Filayen filastik kamar polymethyl methacrylate wani lokaci ana kiransu gilashin don tsarin samar da aikin gona.
prestress
Ƙarfin matsawa shine matsananciyar damuwa da aka riga aka yi amfani da shi ga tsarin yayin gini don inganta aikin sabis na tsarin.A lokacin sabis na tsarin, matsananciyar matsananciyar damuwa na iya gaba ɗaya ko ɓangarorin ɓata matsi na ƙwanƙwasa da nauyin ya haifar kuma ya guje wa lalacewar tsarin.Yawanci ana amfani da shi a cikin simintin siminti, shi ne a yi amfani da matsa lamba a kan simintin tun da farko kafin ya ɗauki nauyin, ta yadda ƙarfin ciki na cikin simintin a cikin yanki mai ƙarfi lokacin da nauyin waje ya yi aiki don haifar da damuwa, don kashewa ko ragewa. Danniya mai ƙarfi da ke haifar da nauyin waje, ta yadda tsarin ba ya fashe ko fashe a ƙarshen amfani da shi.