METHOD FOR POLISHING ALLOY MATERIAL AND METHOD FOR PRODUCING ALLOY MATERIAL
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United States of America Patent
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Oct 16, 2014
app pub date -
Nov 19, 2012
filing date -
Nov 25, 2011
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Abstract
An efficient polishing method for polishing an alloy material to have an excellent mirror surface is provided. The alloy material contains a main component and 0.1% by mass or more of an element that has a Vickers hardness (HV) different from the Vickers hardness of the main component by 5 or more. A polishing composition used in the polishing method contains abrasive grains and an oxidant. The alloy material is preferably an aluminum alloy, a titanium alloy, a stainless steel, a nickel alloy, or a copper alloy. It is also preferable that the alloy material is subjected to preliminary polishing before being subjected to polishing in which the polishing composition is used.
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