Abstract:
分别采用CO_2激光焊接系统和中频伺服电阻点焊设备对超高强度热成形硼钢进行了焊接试验,测试了接头抗剪切强度和显微硬度,观察了焊缝显微组织。结果表明:2种焊接方式均能获得成形良好的焊接接头;焊缝组织基本为马氏体;显微硬度与母材相当;激光焊缝的马氏体组织明显更细化,其抗剪切强度也更高。
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Year: 2011
Language: Chinese
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30 Days PV: 1