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分析2A12铝合金Φ32mm×6mm管材表面纵向亮线产生的原因,从不同角度分析亮线形成的机理以及亮线处与非亮线处的显微组织、硬度比较,从而提出消除亮线缺陷的办法。
Analysis of the causes of longitudinal bright lines on the surface of 2A12 aluminum alloy Φ32mm × 6mm pipe, the formation mechanism of bright lines and the comparison of the microstructure and hardness of bright lines and non-bright lines are analyzed from different aspects, so as to propose a way to eliminate bright lines defects .