Creating 3D mark on protective coating on metal part using mask and metal part so formed
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United States of America Patent
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Jul 25, 2023
Grant Date -
Jan 14, 2021
app pub date -
Jul 9, 2019
filing date -
Jul 9, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A method for creating a three-dimensional (3D) mark in a protective coating including at least one of a TBC and a bond coating over a metal part, is provided. The method may include positioning a mask over the protective coating, the mask including an opening pattern therein; and performing an abrasive waterjet process on the protective coating using the mask. The abrasive waterjet erodes a first portion of the protective coating exposed through the first opening pattern to create the 3D mark. The mask is removed, leaving the 3D mark in the protective coating. The 3D mark only partially penetrates through the protective coating. A metal part may include a metal body, a protective coating over the metal body, and the 3D mark in the protective coating, is also provided. The 3D mark in the protective coating may include an opening having a width of between 30 and 300 micrometers.
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