耐磨性镀层

研究了镀液的温度、pH值、镀液中SnO2微粒含量等因素对复合化学镀铜性能的影响，并检测了复合镀层的抗氧化性、耐磨性及镀层和基体的结合力。

The reaction conditions of composite chemical copper plating of ultrafine solid SnO 2 particles were studied . The influences of bath temperature , pH value and concentration of SnO 2 on anti wear property and plating rate were discussed .

以次磷酸盐为还原剂的化学镀镍因具有优良的耐蚀性、耐磨性和镀层厚度均匀性而得到广泛应用。

The electroless nickel planting had application very widely for its corrosion-resistant and fretting-resistant and homogeneous nickel-plate .

在相同的磨损条件下，复合镀层的耐磨性比Ni-P镀层提高6～7倍，比45钢淬火态提高30多倍。

In the same of wearing condition , the wear resistance of composite coating raises 6 ~ 7 times than Ni-P coating , and over 3O times than 45 steel in quenching state .

结果表明：Ni-P-B镀层的耐磨性比Ni-P-B镀层均好。

The results show that the wear resistance of electroless - plating Ni-P-B alloy coating is superior to that of Ni-P and Ni-B coating .

以制备具有自润滑性能的新型Ni-B/BN复合镀层为目的，研究了Ni-B/BN镀液配方及工艺条件，分析了镀液稳定性的影响因素，得到了耐磨性优于Ni-B镀层的Ni-B/BN复合镀层。

For preparing new self-lubrication Ni-B / BN composite coating , effects of electroless plating Ni-B / BN solution components and plating process were studied , and solution stability was also discussed . Ni-B / BN composite coating , with better wear-resisting properties than Ni-B coating was prepared .

适当配比的镀液，加入拉径正确而又分散于适宜介质内的微粒，可提供表面摩擦系数低、耐磨性优异的镀层。

Properly formulated plating solutions containing the right size particles dispersed in a suitable medium provide low coefficient of surface friction with outstanding wear resistance .

摩擦磨损试验表明，该复合镀层与GCr15对磨其摩擦系数低至0.1，具有良好的自润滑效果，而且耐磨性也较Ni-P镀层好。

The wear test shows that Ni-P-PTFE coating has a low friction coefficient 0.1 , indicating good self-lubricant effect and better anti-wear than Ni-P coating .

对WC-Co涂层和MoCr铬镀层的摩擦学性能研究表明：在水润滑条件下，WCCo涂层的耐磨性是MoCr铬镀层的10倍以上。

Tribological performance investigation of the WC-Co coating and MoCr coating proves that the abrasive resistance of the WC-Co coating is over 10 times higher than that of the MoCr coating under the condition of water lubrication .

磨损试验表明，在油润滑条件下，梯度镀层的耐磨性比普通复合镀层提高了150%。

Wear resistances of the gradient deposit increased to 150 % compared with that of the traditional composite deposit in the condition of oil lubrication .

经高温热处理后的复合镀层的硬度及耐磨性有明显提高，且其耐磨性优于一般Ni-P镀层。

After heat treatment of high temperature , hardness and wear resistance of coating can be greatly increased and its wear resistance is better than those of nickel-phosphorus coating .