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| EFFECT OF B, C AND AL ON SINTERING OF HOT PRESSED SiC |
| SU Guoyue; XIA Fei; WEN Lishi(Institute of Metal Research; Academia Sinica; Shenyang)(Manuscript received 23 May; 1986) |
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Cite this article:
SU Guoyue; XIA Fei; WEN Lishi(Institute of Metal Research; Academia Sinica; Shenyang)(Manuscript received 23 May; 1986). EFFECT OF B, C AND AL ON SINTERING OF HOT PRESSED SiC. Acta Metall Sin, 1987, 23(2): 237-254.
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Abstract The microstrueture and sintering behaviour of the hot pressed SiC influenced by A1_8B_4C_7 phase have been studied by SEM, X-ray diffraction analysis and optical microscopy. The A1_8B_4C_7, forming as liquid phase in the presence of additives B, C and Al at 1800-2100℃, may be coagulated at the grain boundaries among SiC particles. Because of an inferior wettability of the liquid phase A1_8B_4C_7 to SiC grains, the hot pressing may be significant to enhance its densification.
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Received: 18 February 1987
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1 猪股吉三,田中英彦,井上喜三郎,川端治雄,窯业协会誌,1980;88:353
2 Kingery W D, Bowon H K, Uhlmann D R. Introduction to Ceramics. New York: Wiley, 1976, 49 |
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