徐金富,文小浩,丁小芹,韩小云

• 1:宁波工程学院材料工程研究所
• 2:华东理工大学材料科学与工程学院
• 3:中国长江三峡集团公司

摘要(Abstract)：

利用放电等离子烧结技术(SPS)研究了M42粉末高速钢/45钢双金属连接技术,分析了连接接头的界面形貌,测试了连接接头的界面结合强度。结果表明:在970℃×10min×70MPa烧结工艺下,可一次性实现M42粉末高速钢的烧结及其与45钢的连接;接头的M42粉末冶金高速钢部分,显微组织均匀,碳化物细小、无偏析,经工艺1180℃×5min×550℃×1h热处理后,硬度达到67.36HRC;M42/45钢连接接头组织致密且均匀,界面两侧有元素扩散,属冶金结合,界面结合强度可达到550MPa。

关键词(KeyWords)： 双金属材料;放电等离子烧结;连接;结合强度

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 徐金富,文小浩,丁小芹,韩小云

DOI: 10.13289/j.issn.1009-6264.2010.09.032

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