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采用非增强中间层电子束焊接SiCP/Al

, PP. 92-98

Keywords: 电子束焊接,SiC,颗粒增强,铝基复合材料,非增强中间层

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Abstract:

为解决SiCP/Al焊接成形问题,提出了采用非增强中间层的电子束焊新工艺。考察了非增强中间层对碳化硅颗粒增强铝基复合材料(SiCP/Al)电子束焊接成形、脆性相Al4C3生成及气孔的影响。研究表明,采用富Si非增强中间层后,焊接成形明显改善,脆性相的形成也受到了抑制,但气孔问题比较突出。讨论了工艺和材料因素对焊接缺陷和接头力学性能的影响,由此获得SiCP/Al电子束焊的工艺要点。

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