Nws tau tshaj tawm tias muaj ntau yam laj thawj rau kev tawg:
(1) Qhov sib txawv ntawm qhov kub thiab txias:
Thaum lub qhov cub ci, qee qhov kub sib txawv tshwm sim hauv cov khoom siv refractory, ua rau muaj kev ntxhov siab.
(2) Crystal transformation stress:
Cov ntaub ntawv refractory nyob rau hauv cov txheej txheem ntawm cua sov mus rau lub crystalline transformation yuav tshwm sim, yog hais tias lub crystalline hloov yog ceev heev, lub resulting kev nyuaj siab yog heev loj, nws kuj yuav ua rau tawg ntawm refractory ntaub ntawv;
(3) Mechanical stress:
Lub tshuab hluav taws xob ua haujlwm ntawm cov khoom siv refractory loj dhau rau cov khoom siv refractory los tsim inelastic deformation thiab ua rau kev puas tsuaj.
Yog tias koj txaus siab rau cov khoom siv refractory, tiv tauj peb tam sim no!
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