研究了粉末316L不锈钢添加活化剂的液相强化烧结.在1 200～1 350℃采用真空烧结,对含量为2%～8%的Cu3P和Fe-Mo-B两种烧结助剂进行比较,后者采用两种粒度.结果表明:Fe-Mo-B细粉强化作用最强;增加烧结助剂含量和提高烧结温度可以提高烧结密度;最佳条件为添加6%的Fe-Mo-B细粉、室温压制、1 250℃烧结,烧结密度接近7.70g/cm3.另外,压缩试验表明添加量大于6%后,添加Fe-Mo-B的烧结制品的塑性比添加Cu3P的塑性要好.
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