High-temperature speckle and controllable preparation method
A speckle and high-temperature technology, which is applied in the field of high-temperature speckle and its controllable preparation, can solve the problems of low preparation efficiency, high preparation requirements, and speckle failure, so as to improve low-temperature curing performance, high-temperature resistance, and good high-temperature resistance Performance and high-temperature adsorption performance, the effect of improving the speckle effect
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[0046] The present invention will be further elaborated below through specific embodiments in conjunction with the accompanying drawings.
[0047] like figure 1 and 2 As shown, the adjustable preparation method of high-temperature speckle in this embodiment includes the following steps:
[0048] 1) Using the average gray gradient δ f Optimize the actual speckle size and speckle distribution;
[0049] 2) According to the optimized speckle size and speckle distribution, 3D printing technology is used to prepare a speckle template 1 with a speckle pattern. The raised position on the speckle template is the spot of the speckle, and the material of the speckle template is resin ;
[0050] 3) Process the Inconel 713C nickel-based superalloy specimen to the required size, use sandpaper of different meshes to cross-polish the speckle-coated side of the specimen surface, and then wipe the surface of the specimen with alcohol and dry it; The mesh numbers of the sandpaper used are 6...
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