A NON-DESTRUCTIVE TESTING METHOD FOR LOF DEFECTS, AND A TESTING STANDARD PART AND A MANUFACTURING METHOD THEREOF
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United States of America Patent
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Issued Date -
May 25, 2023
app pub date -
Dec 28, 2020
filing date -
Apr 22, 2020
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Abstract
A non-destructive testing method for lack-of-fusion (LOF) defects, and a testing standard part and a manufacturing method thereof, used for the non-destructive testing of LOF defects of an additive manufacturing workpiece. The manufacturing method of the LOF defect standard part comprises: step A, setting a LOF defect area of the standard part, in the LOF defect area, a proportion of the LOF defects in the LOF defect area is set as a first proportion value; step B, selecting an additive manufacturing forming process for manufacturing the LOF defect area to obtain a first process parameter of the additive manufacturing forming process corresponding to the first proportion value; step C, performing the additive manufacturing forming process based on the first process parameter to form the LOF defect area.
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