Hard alloy part with diamond coating and preparation method of hard alloy part
A technology of diamond coating and hard alloy, which is applied in the direction of metal material coating process, coating, superimposed layer plating, etc., can solve the difficult physical property matching degree and coating thermal stress relief, and cannot prevent cobalt For problems such as diamond graphitization and affecting the bonding force between the film and the substrate, it can achieve excellent film-substrate bonding strength, prevent graphitization, and high adhesion
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[0047] Example 1
[0048] See figure 1 , A method for preparing hard alloy parts with diamond coating, including the following steps:
[0049] (1) Take the YG6X (WC-6wt.%Co) cemented carbide indexing blade sold on the domestic market as the substrate, and clean it to remove the stains on the surface of the substrate: first place the substrate in acetone for ultrasonic cleaning 30min, the ultrasonic power is 100W, and then put the acetone cleaned substrate into the ethanol solution, ultrasonically clean at 100W for 2min, and dry;
[0050] (2) Put the cleaned substrate into an acetone suspension containing diamond powder (with a particle size of 300nm), and perform ultrasound for 60 minutes at a power of 100W to implant diamond seeds on the surface of the substrate, and then clean it with alcohol , And finally blow dry with nitrogen to obtain the substrate after inoculation treatment;
[0051] (3) A sputtering method is used to deposit a metal tungsten layer with a thickness of 100 nm ...
Example Embodiment
[0057] Example 2
[0058] A method for preparing a hard alloy piece with diamond coating includes the following steps:
[0059] (1) Take the YG8 (WC-8%Co) cemented carbide end mill sold in the domestic market as the substrate, and clean it to remove the stains on the surface of the substrate: first place the substrate in acetone for ultrasonic cleaning for 40 minutes , The ultrasonic power is 110W, and then put the acetone-cleaned substrate into the ethanol solution, ultrasonically clean at 120W for 1 min, and dry;
[0060] (2) Put the cleaned substrate into an acetone suspension containing diamond powder (with a particle size of 300nm), and perform ultrasound for 45 minutes at a power of 80W to implant diamond seeds on the surface of the substrate, and then clean it with alcohol , And finally blow dry with nitrogen to obtain the substrate after inoculation treatment;
[0061] (3) A sputtering method is used to deposit a metal tungsten layer with a thickness of 150nm on the surface o...
Example Embodiment
[0066] Example 3
[0067] A method for preparing a hard alloy piece with diamond coating includes the following steps:
[0068] (1) Take the YT15 (WC-15%TiC, Co) cemented carbide blades sold on the domestic market as the substrate to clean and pretreat it to remove the stains on the surface of the substrate: first place the substrate in acetone for ultrasonic cleaning for 60 minutes, The ultrasonic power is 90W, and then put the acetone-cleaned substrate into the ethanol solution, ultrasonically clean at 100W for 5 minutes, and dry;
[0069] (2) Put the cleaned substrate into an acetone suspension containing diamond powder (with a particle size of 500nm), and perform ultrasound at 110W for 30 minutes to implant diamond seeds on the surface of the substrate, and then clean it with alcohol after removal , And finally blow dry with nitrogen to obtain the substrate after inoculation treatment;
[0070] (3) Using a sputtering method to deposit a metal tungsten layer with a thickness of 20...
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