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首页> 外文会议>IUMRS International Conference in Asia;IUMRS-ICA 2010 >High-Temperature Oxidation Resistance of Electroless Ni-P-ZrO_2 Composite Coatings
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High-Temperature Oxidation Resistance of Electroless Ni-P-ZrO_2 Composite Coatings

机译：化学镀Ni-P-ZrO_2复合涂层的高温抗氧化性能

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摘要

Electroless Ni-P coating containing ZrO_2 particles was successfully co-deposited on low carbon steel substrate. The surface and cross-sectional micrographs of the composite coatings were observed with scanning electron microscopy (SEM). And the chemical composition of the coating was analyzed with energy dispersive spectroscopy (EDS). The oxidation resistance was evaluated by weight gains during high temperature oxidation test. The results showed that the embedded ZrO_2 particles with irregular shape uniformly distributed in the entire Ni-P matrix, and the coating showed a good adhesion to the substrate. The weight gain curves of Ni-P-ZrC>2 composite coatings and Ni-P coating at 923K oxidation experiments were in accordance with (Am/A) = kt". The ZKD2 particles in Ni-P matrix could significantly enhance the high temperature oxidation resistance of the carbon steel substrate as compared to pure Ni-P coating.
机译：含ZrO_2粒子的化学镀Ni-P涂层成功地共沉积在低碳钢基底上。用扫描电子显微镜（SEM）观察复合涂层的表面和横截面显微照片。并利用能量色散光谱法（EDS）分析了涂层的化学成分。通过高温氧化试验期间的重量增加来评估抗氧化性。结果表明，嵌入的不规则形状的ZrO_2颗粒均匀地分布在整个Ni-P基体中，并且涂层对基底具有良好的附着力。 Ni-P-ZrC> 2复合镀层和Ni-P镀层在923K氧化实验中的增重曲线符合（Am / A）= kt“。Ni-P基体中的ZKD2颗粒可显着提高高温与纯Ni-P涂层相比，碳钢基材的抗氧化性。

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