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Q345钢的MAG焊接接头组织及力学性能分析 被引量:6

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摘要 采用MAG焊接方法制备了不同厚度Q345钢平板对接焊件,分别对其进行拉伸、冲击、弯曲力学性能测试,并对焊缝区域进行显微组织观察,最后采用盲孔法测量焊接试样的残余应力。测试结果表明:12 mm/12 mm焊接试样的综合力学性能明显优于10 mm/12mm与10 mm/10 mm焊接试样。在焊缝中心处10 mm/12 mm焊件纵向残余应力σx和横向残余应力σy均大于12 mm/12 mm焊件与10 mm/10 mm焊件残余应力。
出处 《焊接技术》 北大核心 2011年第12期6-8,共3页 Welding Technology
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