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利用脉冲大电流快速烧结技术(也称放电等离子烧结SPS技术)研究了TiB2的烧结过程结果表明:升温速率对烧结样品的相对密度、晶粒尺寸及烧结过程中真空室气压均有重要影响.最佳的升温速率使TiB2烧结晶粒相对最小、烧结体相对密度较高.分析认为,在SPS条件下的快速升温有利于颗粒表面活化,烧结体晶粒尺寸既受控于烧结时间,也受控于晶粒生长活化能

参考文献

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