电沉积Co-Cr3C2纳米复合涂层的热稳定性(英文)Thermal stability of electrodeposited Co-Cr3C2 nano-structured composite coatings
卜丽明,陈为为,林翔,李聪勃,王鲁
摘要(Abstract):
研究了电沉积Co-Cr3C2纳米复合涂层的热稳定性。析出相Cr3C2颗粒均匀弥散地分布在涂层中,质量分数大约为30%。600℃以上退火导致涂层当中形成孔隙。400℃以下和600℃以上退火分别有利于Co纳米晶粒沿[002]和[220]方向生长。低于400℃退火可以同时获得优异的耐磨性和高硬度。经低于400℃退火,涂层的摩擦系数达到0.12,而经200℃退火后的涂层的摩擦系数低至0.04。
关键词(KeyWords): 涂层材料;金属基复合材料;化学合成;扩散;显微结构
基金项目(Foundation): 国家自然科学基金(51401024);; 北京理工大学科技创新计划资助项目(GZ2013095101)
作者(Author): 卜丽明,陈为为,林翔,李聪勃,王鲁
DOI: 10.13289/j.issn.1009-6264.2015.03.036
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