Material deposition using powder and foil
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United States of America Patent
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Apr 19, 2016
Grant Date -
Jul 16, 2015
app pub date -
Jan 15, 2014
filing date -
Jan 15, 2014
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Abstract
The loss of aluminum content during the laser (20) deposition of superalloy powders (16) is accommodated by melting pure aluminum foil (14) with the superalloy powder to increase a concentration of aluminum in the melt pool (24) so that the resulting layer of deposited material (26) has a desired elemental composition Foils, screens or strips of any material may be melted with powders to achieve any desired cladding composition, including a graded composition across a thickness of a clad layer (50).
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