MODIFIED ALLOY POWDER AND MODIFICATION METHOD THEREOF
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United States of America Patent
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Aug 12, 2021
app pub date -
Feb 8, 2021
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Jan 30, 2020
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A modified alloy powder includes a powdered alloy; and a carbide powder, mixed in the powdered alloy; wherein the carbide powder has a particle size smaller than that of the powdered alloy, and the carbide powder is dedicated to powder bed selective laser melting and laser metal deposition technology. Being used as a grain refiner and a grain growth inhibitor, the effect of refinement in the grain size of final products and improvement of the workpiece strength can be achieved.
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