本文研究了不同Fe含量对凿岩用WC-Co硬质合金钎片性能的影响,现场对比了有Fe与无Fe的WC-10％Co凿岩用硬质合金钎片的使用情况.结果表明:Fe对硬质合金矫顽磁力影响显著,随着Fe含量的增加,硬质合金的矫顽磁力、钴磁、硬度升高,WC晶粒度降低,密度、抗弯强度稍有下降.根据现场凿岩测试情况,确定了Fe在凿岩用WC-Co硬质合金钎片中的合理范围.
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