A preparation method for uniformly inlaid diamond particles on the surface of ni-p coating
A diamond particle, uniform surface technology, applied in coating, liquid chemical plating, metal material coating process and other directions, can solve the problems of small diamond inlay depth, falling off, unable to coat diamond, etc., to reduce the difference of diamond content, Eliminate shedding and improve the effect of uniformity
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[0020] The method of the invention is as follows: electroless plating Ni-P-micron diamond coating on the spring steel gasket, and then performing heat treatment at 120-200°C.
[0021] Before the chemical composite plating, the surface of the spring steel gasket substrate is pretreated by grinding, degreasing, pickling, electrolytic degreasing and activation. During the plating process, the pretreated spring steel gasket needs to be fixed on the horizontal rotating shaft of the horizontal rotation rotator, and the included angle between the normal direction of the plated part of the gasket and the horizontal rotating shaft is adjusted to 8°. During the entire composite plating process, keep the horizontal rotating shaft rotating at a constant speed, and the rotating speed is set at 2r / min. Electroless composite plating is a three-step plating method. The first step is to coat a layer of Ni-P pre-plating layer with a thickness of 2 μm on the surface of the spring steel gasket su...
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