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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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添加sm2o3的aln陶瓷的显微结构和导热性能
Keywords: aln陶瓷,sm2o3,埋粉条件,显微结构,热导率
Abstract:
？抗水化处理的aln粉体为原料,研究了埋粉条件对添加sm2o3的aln陶瓷显微结构和导热性能的影响.结果表明,在不加埋粉烧结条件下试样周围的还原性气氛增强有助于形成较高sm/al比的晶界相,不加埋粉有利于晶界相的排出.这些因素均有助于提高aln陶瓷的热导率.不加埋粉在1830℃烧结可获得热导率为166w/(m？k)的aln陶瓷.
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