Y2O3对镍基碳化铬激光熔覆层结构性能的影响Effect of Y2O3 on structure and properties of Ni/ Cr3C2 cladding layer
钟文华,刘贵仲,潘洁宗,高原,葛大梁
摘要(Abstract)：
研究不同含量的Y2O3对镍基碳化铬熔覆层宏观表面质量、显微组织、横截面微观硬度及熔覆层耐腐蚀性的影响。结果表明,稀土的加入可以细化晶粒,消除裂纹,涂层质量得到提高。硬度分布测量结果表明,加入0.2%Y2O3后熔覆层的平均硬度约为1076 HV,比未加稀土的提高约100 HV。熔覆层的耐腐蚀性也得到提高。
关键词(KeyWords)： 激光熔覆;Y2O3;微观组织;显微硬度;耐腐蚀性
基金项目(Foundation): 国家自然科学基金资助项目(51161006)
作者(Author): 钟文华,刘贵仲,潘洁宗,高原,葛大梁
DOI: 10.13289/j.issn.1009-6264.2013.02.023
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