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1·Using back scattered electrons, co - % magnetism meter, coercive force meter and chemical analysis etc, the compositions, co - % magnetism and coercive force of vacuum sintering cermets are studied.

用背散射电子像、钴磁仪、矫顽磁力计、化学分析等手段研究了真空烧结金属陶瓷合金的成分、晶格常数与其钴磁及矫顽磁力的关系。