Cov cua sov ua kom sov ntawm cov khoom siv hluav taws xob ua hluav taws xob feem ntau cuam tshuam rau hauv nws cov thermal conductivity.Thermal conductivity yog ib qho tseem ceeb tshaj plaws ntawm cov cua sov thiab noo noo lub cev ntawm cov khoom siv rwb thaiv tsev. Nws hais txog cov khoom siv nrog tuab ntawm 1m nyob rau hauv cov xwm txheej hloov pauv kub. Qhov kub sib txawv ntawm ob sab yog 1 degree (K, ℃). Cov cua sov pauv los ntawm thaj tsam ib square meter, hauv watts/meter · degree (W/(m · K)).
Cov khoom siv rwb thaiv tsev feem ntau yog xa mus rau cov khoom siv uas muaj cov cua sov tsawg (Cov txheej txheem suav suav hais tias cov khoom siv nrog cov cua sov ua kom sov tsis siab dua 0.12W/(m · K) ntawm qhov kub nruab nrab ntawm 350 ℃ yog hu ua cov khoom siv rwb thaiv tsev). Cov khoom siv nrog cov coefficient qis dua 0.05 W/(m · K) raug hu ua cov khoom siv rwb thaiv tsev zoo.
Raws li kev ntsuas, qhov ua kom muaj cua sov ntawm cov nplais hluav taws xob yog 0.065-0.085 ntawm 200 ° C; 0.095-0.112 ntawm 400 ° C; thiab 0.145-0.165 ntawm 600 ° C.
Raws li cov khoom siv hluav taws xob tiv thaiv ib puag ncig, cov khoom siv hluav taws xob fiber ntau muaj cov cua sov ua kom sov thiab muaj peev xwm ua kom sov tsawg, ua kom muaj cua sov zoo tiv taus, cua yaig tsis kam, thiab micro-elasticity. Nws yog cov khoom lag luam nrog kev thov siab ntawm cov khoom siv hluav taws xob thim rov qab rwb thaiv tsev.
