THREE-DIMENSIONAL PRINTING ALLOY POWDER
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United States of America Patent
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May 27, 2021
app pub date -
Nov 25, 2020
filing date -
Nov 27, 2019
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Abstract
A three-dimensional printing alloy powder includes iron alloy powder, wherein a coating layer containing a carbon material is formed at surfaces of the iron alloy powder, the iron alloy powder contain oxygen atoms at a concentration of 0.1 mass % or more and 0.7 mass % or less with respect to the total amount of the iron alloy powder, a mass y g of the carbon material contained per 100 g of the three-dimensional printing alloy powder has a relationship with a mass x g of the oxygen atoms and a corrected mass z g represented by the following formula: y=0.75×x−z, and the corrected mass z exceeds 0.0 g and is smaller than 0.4 g.
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