METHOD FOR THE PRODUCTION OF AN ABRADABLE SPRAY COATING
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United States of America Patent
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app pub date -
Dec 4, 2013
filing date -
Mar 1, 2007
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Abstract
A method for producing an abradable spray coating for a component of a turbine engine by a thermal spraying process is disclosed. A process parameter pB1 is calculated according to the formula pB1=pB2+HB1−HB2−(Δx·y)/z+n where pB1 is a process parameter of a spraying process that is to be conducted, pB2 is a corresponding process parameter of a previous spraying process, HB1 is a hardness of a coating that is to be applied by the spraying process to be conducted, HB2 is a hardness of a coating that was applied by the previous spraying process, Δx is a process variable related to the thermal spraying process and the previous spraying process and y, z and n are constant parameters.
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