| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a zinc alloy shot having large hardness, excellent polishing treatment efficiency, large toughness and a long shot service life. Ž<P>SOLUTION: The shot contains a zinc alloy mainly composed of zinc and including magnesium as an additional component. In the zinc alloy shot, the content of magnesium is 0.03-5.0 wt.% and the hardness is 43-140 Hv. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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