Matsakaicin faɗaɗa madaidaiciyar granite yawanci yana kusa da 5.5-7.5x10 - ⁶/℃. Koyaya, nau'ikan granite daban-daban, ƙimar haɓakarsa na iya ɗan bambanta.
Granite yana da kyakkyawan kwanciyar hankali na zafin jiki, galibi ana nunawa a cikin abubuwan da ke gaba:
Ƙananan nakasar thermal: saboda ƙarancin haɓakar haɓakarsa, nakasar zafin jiki na granite yana da ɗan ƙaramin ƙarfi lokacin da yanayin zafi ya canza. Wannan yana ba da damar sassan granite don kula da mafi girman tsayin daka da siffar a cikin yanayin zafi daban-daban, wanda ya dace don tabbatar da daidaiton kayan aiki. Alal misali, a cikin ma'auni mai mahimmanci, yin amfani da granite a matsayin tushe ko aikin aiki, ko da yanayin zafin jiki yana da wani canji, ana iya sarrafa nakasar thermal a cikin ƙaramin yanki, don tabbatar da daidaiton sakamakon ma'auni.
Kyakkyawan juriyar girgiza zafin zafi: Granite na iya jure wani matakin saurin canjin zafin jiki ba tare da fashewar fage ko lalacewa ba. Wannan shi ne saboda yana da kyawawan halayen thermal da ƙarfin zafi, wanda zai iya canja wurin zafi da sauri kuma a ko'ina lokacin da yanayin zafi ya canza, yana rage yawan damuwa na zafin jiki na ciki. Alal misali, a wasu wuraren samar da masana'antu, lokacin da kayan aiki ke farawa ba zato ba tsammani ko kuma ya daina aiki, zafin jiki zai canza da sauri, kuma sassan granite zasu iya dacewa da wannan girgizar zafi da kuma kula da kwanciyar hankali na aikin su.
Kyakkyawan kwanciyar hankali na dogon lokaci: Bayan dogon lokaci na tsufa na halitta da aikin ilimin geological, an sake sakin damuwa na ciki na granite a asali, kuma tsarin ya kasance barga. A cikin tsarin amfani na dogon lokaci, ko da bayan sauye-sauyen yanayin zafin jiki da yawa, tsarinsa na ciki ba shi da sauƙi don canzawa, zai iya ci gaba da kula da kwanciyar hankali mai kyau, yana ba da tallafi mai dogara ga kayan aiki mai mahimmanci.
Idan aka kwatanta da sauran kayan yau da kullun, kwanciyar hankali na thermal na granite yana a matakin mafi girma, mai zuwa shine kwatanta tsakanin granite da kayan ƙarfe, kayan yumbu, kayan haɗin gwiwa dangane da kwanciyar hankali na thermal:
Idan aka kwatanta da kayan ƙarfe:
Matsakaicin haɓakar haɓakar thermal na kayan ƙarfe na gabaɗaya yana da girman gaske. Misali, da mikakke fadada coefficient na talakawa carbon karfe ne game da 10-12x10 - ⁶/℃, da mikakke fadada coefficient na aluminum gami ne game da 20-25x10 - ⁶/℃, wanda shi ne muhimmanci mafi girma fiye da granite. Wannan yana nufin cewa lokacin da yanayin zafi ya canza, girman kayan ƙarfe yana canzawa sosai, kuma yana da sauƙi don samar da damuwa na ciki saboda fadada zafi da sanyi, don haka yana rinjayar daidaito da kwanciyar hankali. Girman granite yana canzawa kadan lokacin da zafin jiki ya canza, wanda zai iya kula da siffar asali da daidaito. Tsarin zafin jiki na kayan ƙarfe yawanci yana da yawa, kuma a cikin saurin dumama ko sanyaya, za a gudanar da zafi da sauri, wanda zai haifar da babban bambancin zafin jiki tsakanin ciki da saman kayan, yana haifar da damuwa na thermal. Sabanin haka, ƙarancin wutar lantarki na granite yana da ƙasa, kuma yanayin zafi yana da ɗan jinkiri, wanda zai iya rage haɓakar haɓakar yanayin zafi zuwa wani ɗan lokaci kuma ya nuna mafi kyawun kwanciyar hankali na thermal.
Idan aka kwatanta da kayan yumbu:
Thermal fadada coefficient na wasu high-yi yumbu kayayyakin iya zama sosai low, kamar silicon nitride ceramics, wanda mikakke fadada coefficient ne game da 2.5-3.5x10 - ⁶/℃, wanda shi ne kasa da granite, kuma yana da wasu abũbuwan amfãni a cikin thermal kwanciyar hankali. Duk da haka, kayan yumbu yawanci ba su da ƙarfi, juriya na zafin zafin jiki ba shi da kyau, kuma tsagewa ko ma tsagewa suna da sauƙin faruwa lokacin da zafin jiki ya canza sosai. Ko da yake thermal fadada coefficient na granite ne dan kadan mafi girma fiye da wasu musamman tukwane, yana da kyau taurin da thermal girgiza juriya, zai iya jure wani mataki na zazzabi maye gurbi, a aikace aikace-aikace, ga mafi yawan wadanda ba matsananciyar yanayin canjin yanayin, granite thermal kwanciyar hankali na iya saduwa da bukatun, da kuma ta m aikin ne mafi daidaita, da kudin ne in mun gwada low.
Idan aka kwatanta da kayan haɗe-haɗe:
Wasu kayan haɗin kai na ci gaba na iya samun ƙarancin haɓakar haɓakar haɓakar thermal da ingantaccen yanayin zafi ta hanyar ƙira mai ma'ana na haɗin fiber da matrix. Misali, ana iya daidaita ma'aunin haɓakar haɓakar haɓakar fiber carbon da aka ƙarfafa ta hanyar tsari da abun ciki na fiber ɗin, kuma yana iya kaiwa ƙananan ƙima a wasu wurare. Duk da haka, tsarin shirye-shiryen kayan haɗin gwiwar yana da rikitarwa kuma farashin yana da yawa. A matsayin abu na halitta, granite baya buƙatar tsarin shirye-shiryen hadaddun, kuma farashin yana da ƙananan ƙananan. Ko da yake yana iya zama ba mai kyau ba kamar yadda wasu kayan haɗin kai masu tsayi a cikin wasu alamun kwanciyar hankali na thermal, yana da fa'ida dangane da aikin farashi, don haka ana amfani dashi sosai a yawancin aikace-aikacen al'ada waɗanda ke da wasu buƙatu don kwanciyar hankali na thermal. A cikin waɗanne masana'antu aka yi amfani da sassan granite, kwanciyar hankali na zafin jiki shine babban abin la'akari? Bayar da wasu takamaiman bayanan gwaji ko lokuta na kwanciyar hankali mai zafi. Menene bambance-bambance tsakanin nau'ikan kwanciyar hankali na thermal granite?
Lokacin aikawa: Maris 28-2025