2023-07-14Cov khoom siv uas tsis yog xim hlau muaj xws li silicon thiab nitrogen, silicon nitride (Si3N4) kuj yog cov khoom siv ceramic zoo tshaj plaws nrog kev sib xyaw ua ke ntawm txhua yam, thermal, thiab hluav taws xob. Tsis tas li ntawd, piv rau lwm cov ceramics feem ntau, nws yog cov khoom siv ua haujlwm siab nrog cov thermal expansion coefficient uas muaj cov thermal shock kuj zoo heev.
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