A special metal scribing knife using a micro-arc oxidation process and its manufacturing method
A technology of micro-arc oxidation and manufacturing method, which is applied in the direction of manufacturing tools, anodic oxidation, metal processing equipment, etc., can solve the problems that single-chip quality control cannot be realized, intelligent detection and control is not easy to realize, and the quality of wafer cutting is not the same, etc., to achieve Not easy to burn, good self-bonding force, good cutting quality effect
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Embodiment 1
[0025] A special metal scribing knife using a micro-arc oxidation process, the special metal scribing knife includes three parts: a tough ceramic skeleton, an aluminum alloy composite material, and a dense micro-arc oxidation film layer; the tough ceramic skeleton is specifically made of silicon nitride The toughened and porous ceramic skeleton of ceramic body composited with silicon carbide whiskers; the aluminum alloy composite material is specifically 7A75 aluminum alloy powder mixed with carbon powder and polyvinyl alcohol and then sintered; the aluminum alloy composite material is wrapped with a tough ceramic skeleton , the dense micro-arc oxidation layer is fixed and grown on the surface of the aluminum alloy composite material;
[0026] The manufacture method of this special metal scribing knife comprises the following steps:
[0027] 1) Manufacture of tough ceramic skeleton
[0028] ①Prepare 80g of silicon carbide whiskers, 500g of silicon nitride micropowder with a par...
Embodiment 2
[0043] The whole is consistent with Example 1, the difference is:
[0044] The manufacture method of this special metal scribing knife comprises the following steps:
[0045] 1) Manufacture of tough ceramic skeleton
[0046] ①Prepare 100g of silicon carbide whiskers, 600g of silicon nitride micropowder with a particle size of 3μm-5μm, 15g of potassium fluoride powder, 50g of molybdenum silicide, 80g of ethyl orthosilicate, 50g of absolute ethanol, 50g of purified water, Thermoplastic phenolic resin 25g;
[0047] ② Mix all the materials obtained in step ① and put them into a mold whose outline size is compatible with the outer dimensions of the special metal scribing knife and has a grid with a spacing of 30mm. -5 Under the environment of Pa, keep warm for 8h, obtain the prefabricated blank of grid shape;
[0048] ③ Place the grid-shaped prefabricated blank obtained in step ② in a protective atmosphere of 3 times the atmospheric pressure, and raise the temperature to 1700 °C...
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