Bayanin Samfurin
Ana amfani da tsiri mai kama da ƙarfe don canza canjin zafin jiki zuwa canjin inji. Tsirin ya ƙunshi tsiri biyu na ƙarfe daban-daban waɗanda ke faɗaɗa a farashi daban-daban yayin da ake dumama su, yawanci ƙarfe da jan ƙarfe, ko kuma a wasu lokuta ƙarfe da tagulla. Ana haɗa tsiri ɗin tare tsawonsu ta hanyar riveting, brazing ko walda. Faɗaɗa daban-daban suna tilasta tsiri mai faɗi ya lanƙwasa hanya ɗaya idan an dumama shi, kuma a akasin haka idan an sanyaya shi ƙasa da zafin farko. Karfe mai mafi girman ma'aunin faɗaɗa zafi yana kan gefen waje na lanƙwasa lokacin da aka dumama tsiri kuma a gefen ciki lokacin da aka sanyaya shi
Matsar da tsiri a gefe ya fi girma fiye da faɗaɗar ƙananan hanyoyi masu tsayi a ɗayan ƙarfe biyu. Ana amfani da wannan tasirin a cikin na'urori daban-daban na injiniya da na lantarki. A wasu aikace-aikacen, ana amfani da tsiri na bimetal a cikin siffa mai faɗi. A wasu kuma, ana naɗe shi a cikin na'ura don ƙara ƙarfi. Tsawon sigar da aka naɗe yana ba da ingantaccen jin daɗi.

Zane na tsiri mai siffar bimetallic wanda ke nuna yadda bambancin faɗaɗa zafi a cikin ƙarfe biyu ke haifar da babban canjin tsiri a gefe.

Bayani:
Sinadarin sinadarai(%)

Sifofin jiki
>Yawa (g/cm3): 8.1
> Zafin da aka yarda da shi (ºC): -70~ 350
Zafin layi (ºC): -20~ 180
>Tsarin juriyar wutar lantarki (μΩ*m): 0.8 ±5% (20ºC)
>Mai jure zafi (W/m. ºC): 12
>Lankwasawa K / 10-6 ºC-1(20~135ºC): 15
> Na'urar Rage Ragewa, E/GPa 147~177

Aikace-aikace:Kayan yana cikin na'urorin sarrafawa ta atomatik da kayan aiki (misali: na'urorin auna zafi, na'urorin auna zafi, masu daidaita wutar lantarki, na'urorin auna zafin jiki, sauyawar kariya ta atomatik, na'urorin auna diaphragm, da sauransu) waɗanda ke sarrafa zafin jiki, diyya ta zafin jiki, iyakokin yanzu, na'urar nuna zafin jiki da sauran abubuwan da ke da alaƙa da zafi.

Fasali:Babban halayen Thermostat Bimetallic shine lankwasawa da canjin yanayin zafi, wanda ke haifar da wani lokaci.
Ma'aunin faɗaɗawar Thermostat Bimetallic Strip ya bambanta da layuka biyu ko fiye na ƙarfe ko gami a kan dukkan saman hulɗar da aka haɗa sosai, yayin da ake samun canjin siffa mai dogaro da zafin jiki, akwai haɗin aiki mai ƙarfi na thermosensitive. Inda babban ma'aunin faɗaɗawa na Layer mai aiki shine Layer da ake kira low coefficient of expansion of the Layer ana kiransa passive Layer.