张岩,谷晓燕,朱丽娟,刘亚俊

• 1:吉林大学材料科学与工程学院

摘要(Abstract)：

利用脉冲激光焊进行了SUS301L薄板不锈钢的对接焊接实验,分析了此种焊接方法的工艺特点、接头的微观组织和硬度。结果表明,随脉冲电流和脉冲宽度变化,焊缝表面形貌变化明显,焊缝熔深熔宽随焊接线能量显著变化,焊缝组织主要为奥氏体加少量的铁素体,焊缝边缘主要为柱状晶,其生长方向近似垂直于熔合线,焊缝中心主要为胞状晶,焊接接头横截面具有近似"杯"状的特点,焊接接头的硬度分布呈"W"状。

关键词(KeyWords)： SUS301L;激光脉冲;焊接;接头组织;硬度

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 张岩,谷晓燕,朱丽娟,刘亚俊

DOI: 10.13289/j.issn.1009-6264.2016.s1.011

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