METHOD FOR POLISHING ALLOY MATERIAL AND METHOD FOR MANUFACTURING ALLOY MATERIAL
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United States of America Patent
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Dec 17, 2015
app pub date -
Dec 26, 2013
filing date -
Jan 4, 2013
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Abstract
An alloy material polishing method of the present invention is a method for polishing an alloy material containing a main component and 0.5% by mass or more of an accessory component element having a Vickers hardness (HV) different from that of the main component by 5 or more. The polishing method is characterized by polishing a surface of the alloy material using a polishing composition containing abrasive grains and an oxoacid-based oxidizing agent. The main component of the alloy material is preferably at least one selected from aluminum, titanium, iron, nickel, and copper. The main component of the alloy material is preferably aluminum, and the accessory component element is preferably at least one selected from silicon, magnesium, iron, copper, and zinc. The polishing method preferably includes preliminarily polishing the alloy material using a preliminary polishing composition before the polishing of the alloy material using the polishing composition.
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