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以WC-6Co纳米复合粉末为原料热压烧结了硬质合金试样,研究了烧结温度、保温时间和VC抑晶剂对抗弯强度和洛氏硬度的影响.结果表明:在保温时间为1h时,纳米复合WC-6Co的最佳热压烧结温度为1350℃:加入质量分数为1.2%VC后在该制度下热压烧结,可以得到晶粒为200~300nm超细硬质合金.

参考文献

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