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压铸轮毂机加工表面针孔的显微分析
MICROSCOPIC ANALYSIS TO PIN HOLE ON MACHINING SURFACE OF DIE-CASTING HUB
【摘要】 应用扫描电子显微镜和电子探针,对压铸铝合金轮毂机械加工表面上的针孔作了显微分析。结果表明:针孔是铸件中的显微缩孔及夹杂在机加工中暴露所致。
【Abstract】 The pin holes on machining surface of die--casting hub are analysed with scanning electron microscope and electron probe. It is proved that the pin holes come from shrink holes and inclusions in cast.
- 【文献出处】 河北冶金 ,HEBEI METALLURGY , 编辑部邮箱 ,1996年01期
- 【分类号】TG115.213
- 【下载频次】65