Lokacin da tungsten yayi zafi, yana nuna wasu kaddarorin masu ban sha'awa. Tungsten yana da wurin narkewa mafi girma na duk tsaftataccen ƙarfe, sama da digiri 3,400 ma'aunin Celsius (digiri 6,192 Fahrenheit). Wannan yana nufin cewa yana iya jure yanayin zafi sosai ba tare da narkewa ba, yana mai da shi kayan aiki mai kyau don aikace-aikacen da ke buƙatar juriya mai zafi, irin su filament kwan fitila,abubuwa masu dumama, da sauran amfanin masana'antu.

A yanayin zafi mai yawa, tungsten shima yakan zama mai juriya ga lalata, yana mai da shi dacewa da amfani a muhallin da sauran karafa zasu lalace. Bugu da ƙari, tungsten yana da ƙarancin haɓakar haɓakar thermal, ma'ana ba ya faɗaɗa ko kwangila sosai lokacin da ake zafi ko sanyaya, wanda ke sa ya zama mai amfani a aikace-aikacen da ke buƙatar kwanciyar hankali a yanayin zafi. Gabaɗaya, lokacin da tungsten ya yi zafi, yana riƙe da tsarinsa. mutunci kuma yana nuna kaddarori na musamman waɗanda ke sanya shi mahimmanci a cikin kewayon aikace-aikacen zafi mai yawa.

Wayar Tungsten abu ne da aka saba amfani da shi a fagen kayan lantarki, haske, da sauransu. Yana iya faɗaɗa saboda tasirin zafin jiki yayin amfani na dogon lokaci. Wayar Tungsten tana fuskantar haɓakawa da raguwa yayin canje-canjen yanayin zafi, waɗanda aka ƙaddara ta abubuwan da ke cikin jiki. Lokacin da yawan zafin jiki ya karu, motsin thermal na kwayoyin na tungsten waya yana ƙaruwa, sha'awar interatomic yana raunana, yana haifar da wani ɗan canji a cikin tsayin tungsten waya, wato, yanayin haɓaka yana faruwa.

Fadada wayar tungsten yana da alaƙa ta layi da yanayin zafi, wato, yayin da zafin jiki ya ƙaru, faɗaɗa wayar tungsten shima yana ƙaruwa. Yawanci, zafin waya na tungsten yana da alaƙa da ƙarfin lantarki. A cikin kayan aikin lantarki gabaɗaya, waya ta tungsten gabaɗaya tana aiki tsakanin 2000-3000 digiri Celsius. Lokacin da zafin jiki ya wuce digiri 4000, fadada wayar tungsten yana ƙaruwa sosai, wanda zai haifar da lalacewa ga wayar tungsten.

Fadada wayar tungsten yana faruwa ne ta hanyar haɓaka motsin thermal na ƙwayoyin cuta da haɓaka mitar girgizar atomatik bayan an yi zafi, wanda ke raunana sha'awar atom kuma yana haifar da haɓakar nisan atomic. Bugu da ƙari, ƙimar haɓakawa da shakatawa na tungsten waya kuma yana shafar canje-canjen damuwa. A ƙarƙashin yanayi na al'ada, wayar tungsten tana fuskantar filayen damuwa a wurare daban-daban, wanda ke haifar da yanayi daban-daban na faɗaɗawa da haɓakawa a yanayin zafi daban-daban.

Canjin yanayin zafin waya na tungsten na iya haifar da haɓakar haɓakawa, kuma adadin faɗaɗa ya yi daidai da yanayin zafi kuma yana shafar canjin damuwa. Lokacin zayyanawa da kera kayan aikin lantarki, ya zama dole don sarrafa yanayin zafin aiki da yanayin damuwa na tungsten waya don guje wa haɓaka da yawa na wayar tungsten a cikin yanayin zafi mai zafi da lalacewa.