ADDITIVE MANUFACTURING OF PLATINUM GROUP METAL OXIDE DISPERSION STRENGTHENED ALLOYS
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United States of America
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Issued Date -
Nov 7, 2024
app pub date -
Aug 18, 2022
filing date -
Aug 18, 2022
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Abstract
The present invention provides a method (1) of additively manufacturing an article comprising an oxide dispersion strengthened alloy, the method comprising: (5) providing a first powder comprising particles of one or more platinum group metals or an alloy thereof: (10) providing a second powder comprising particles of one or more non-platinum-group metals or metalloids, or one or more alloys thereof: (15) providing a third powder by mixing the first powder and the second powder, the third powder comprising from 0.01 to 1 wt. % of the second powder, based on the total weight of the third powder; and (20) forming an article by a powder bed fusion method using the third powder in an atmosphere comprising from greater than 0 to 2 mol. % oxygen.
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