Powder for thermal spraying and process for formation of sprayed coating
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United States of America Patent
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Jul 19, 2016
Grant Date -
Apr 18, 2013
app pub date -
Jun 30, 2011
filing date -
Jul 2, 2010
priority date (Note) -
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Abstract
A thermal spray powder, which includes granulated and sintered cermet particles that contain a metal having an indentation hardness of 500 to 5,000 N/mm2, is disclosed. The granulated and sintered cermet particles have an average size of 30 μm or less. The granulated and sintered cermet particles are composed of primary particles having an average size of 6 μm or less. The granulated and sintered cermet particles have a compressive strength of from 100 to 600 MPa. It is preferable that the metal contained in the granulated and sintered cermet particles includes at least one selected from the group consisting of cobalt, nickel, iron, aluminum, copper, and silver. The thermal spray powder is usable in a low-temperature thermal spraying process such as cold spraying using nitrogen as a working gas.
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