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10 mm厚的6005A铝合金在预热与不预热条件下进行焊接对比,并对焊后的试样进行各项分析,发现不预热条件下焊接试样断口呈现出较大的解理断口特征,且微观金相中发现有微裂纹。
A comparison was made between the 10 mm thick 6005A aluminum alloy under preheated and non-preheated conditions and the analysis of the samples after welding. It was found that the fracture of the welded specimen showed a larger cleavage fracture without preheating Features, and the micro-phase found in micro-cracks.