ARTICLE, TURBINE COMPONENT AND AIRFOIL TREATMENT METHODS
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United States of America Patent
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Apr 27, 2017
app pub date -
Oct 21, 2015
filing date -
Oct 21, 2015
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Abstract
An article treatment method is disclosed including removing an affected area from an article, the article including the affected area and a substrate composed of a substrate material, forming an unaffected surface. A structural material is applied to the unaffected surface by cold spraying a plurality of particles of the structural material from a cold spray apparatus. The structural material and the article are finished, forming a treated article including an unused article conformation. A turbine component treatment method is disclosed for a turbine component including a hard-to-weld (HTW) alloy, wherein applying the structural material includes impacting the plurality of particles, and plastically deforming the plurality of particles to form a mechanical bond between the structural material and the HTW alloy. An airfoil treatment method is disclosed further including the cold spraying forming a near net shape of an unused airfoil composition.
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