【摘要】 在7A04(LC4)铝合金反挤压Φ230 mm棒材低倍试片上,有近似圆棒状的金属夹杂物,经试验分析得知该夹杂物成分是纯铝,其存在状态属于机械镶嵌。更多还原

【Abstract】 In the low-power test block of the indirect-extruded rod of 7A04(LC4) alloy Φ230 mm,there were the metal inclusions like pole in shape.After analysis of the test,it has been known that the inclusions are pure aluminum,of which the existing condition belongs to the mechanical setting.更多还原