孟君晟,吉泽升,史晓萍,王振廷

• 1:黑龙江科技大学材料科学与工程学院
• 2:哈尔滨理工大学材料科学与工程学院

摘要(Abstract)：

以Ti粉、BN粉和Ni60A粉为原料,利用氩弧熔覆技术,在35CrMnSi钢表面原位合成了TiN+TiB_2增强镍基复合材料涂层,借助X射线衍射仪、扫描电子显微镜、透射电子显微镜及能谱分析对熔覆涂层的物相及微观组织进行表征。结果表明,复合涂层的物相主要由Cr_(23)C_6、TiB_2、TiN和γ-Ni组成;原位合成的TiN和TiB_2颗粒分别以颗粒状和棒状均弥散分布于熔覆层中;通过HREM可以确定TiN与γ-Ni基体存在(111)TiN//(111)γ-Ni,(111)TiN//(220)γ-Ni,(220)TiN//(313)γ-Ni的关系。

关键词(KeyWords)： 氩弧熔覆;原位合成;TiN-TiB2;组织

Abstract:

Keywords:

基金项目(Foundation): 哈尔滨市科技局科研项目(2015RQXXJ004);; 哈尔滨市应用技术研究与开发项目(2016RAQXJ049)

作者(Author): 孟君晟,吉泽升,史晓萍,王振廷

DOI: 10.13289/j.issn.1009-6264.2016.11.023

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