A3钢薄板激光对接焊工艺研究

Electric Welding Machine(2020)

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Abstract
针对A3钢薄板进行连续激光对接焊工艺实验,研究不同工艺参数对焊接成形质量的影响规律.结果表明:随着激光功率的增加,焊接接头熔池宽度、深度及抗拉强度逐渐增加;随着焊接速度的增加,接头熔池宽度、深度降低及抗拉强度逐渐降低;离焦量对接头形貌及拉伸性能影响较小;焊缝间隙小于等于50μm时,接头抗拉强度基本保持不变,可实现有效焊接.
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