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Si3N4-SiC bulukeeti

Si3N4-SiC bulukeeti

Alaabooyinka

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Si3N4-SiC bulukeeti

Silikon nitride-ku-xidhan leben silikoon carbide ah waxa loola jeedaa badeecada soo celinaysa ee laga sameeyay SiC iyo Si sida alaabta ceeriin iyo nitrided.

Sharaxaad faahfaahsan


Alaabtani waxay markii ugu horreysay soo muuqatay dabayaaqadii 1960-meeyadii, sifadeeduna waxay tahay inay Si3N4 u isticmaasho xidhe ahaan. Si3N4 waxay u dhaxaysaa badarka SiC oo ah qaab irbad qaabaysan ama kiristaalo, waana nooc cusub oo muhiim ah oo ah walxo dib u celin ah. Waxay guud ahaan ka kooban tahay 70% ilaa 75% silicon carbide iyo 18% ilaa 25% silicon nitride. Waxay leedahay iska caabin daxalka wanaagsan, 1400 ℃ xoog dabacsanaan ah 50 ilaa 55MPa, iyo porosity muuqata 15%. Isku xidhka balaadhinta kulaylka (4.5 ilaa 5.0) × 10-2℃-1. Waxaa lagu diyaariyaa habka heerkulka sare ee sintering. Waxaa inta badan loo isticmaalaa tuyere foornada qarxinta iyo dahaarka unugga korantada aluminium. Sanadihii la soo dhaafay, shirkadeena waxay codsatay silikoon nitride ku xidhan leben silikoon carbide ah silikoon foornada afka warshadaha iyo bacda biyaha silikoon, taas oo si weyn u wanaajisa nolosha foornada iyo nolosha adeegga bacda biyaha silikon.

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Si3N4-SiC bulukeeti

Silikon nitride ku xidhan leben silikoon carbide n1t


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