[1]杨效田,段军灵,付小月,等.Ni60/高铝青铜复合涂层定向组织结构特征[J].哈尔滨工程大学学报,2018,39(12):2068-2074.[doi:10.11990/jheu.201706099]
 YANG Xiaotian,DUAN Junling,FU Xiaoyue,et al.Directional crystal structure characteristics of Ni60/high-aluminum bronze composite coating[J].hebgcdxxb,2018,39(12):2068-2074.[doi:10.11990/jheu.201706099]
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
39
期数:
2018年12期
页码:
2068-2074
栏目:
出版日期:
2018-12-05

文章信息/Info

Title:
Directional crystal structure characteristics of Ni60/high-aluminum bronze composite coating
作者:
杨效田1 段军灵1 付小月1 巩禄1 李文生12
1. 兰州理工大学 材料科学与工程学院, 甘肃 兰州 730050;
2. 兰州理工大学 省部共建有色金属先进加工与再利用国家重点实验室, 甘肃 兰州 730050
Author(s):
YANG Xiaotian1 DUAN Junling1 FU Xiaoyue1 GONG Lu1 LI Wensheng12
1. College of Materials and Engineering, Lanzhou University of Technology, Lanzhou 730050, China;
2. State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
关键词:
感应重熔强制冷却定向结构复合涂层微观结构元素分布硬度性能Ni60/高铝青铜
分类号:
TG146
DOI:
10.11990/jheu.201706099
文献标志码:
A
摘要:
为改善Ni60单一合金涂层的性能,满足苛刻工况的要求,将高铝青铜合金添加到Ni60合金粉体当中,采用高频感应重熔和强制冷却的方法对超音速等离子喷涂的预制涂层进行处理,制备了定向结构的Ni60+5%高铝青铜复合涂层,研究了定向结构复合涂层的微观结构特征、元素分布、物相转变以及对涂层硬度的影响。结果表明:经过高频感应重熔和强制冷却处理,使预制涂层的层流状组织结构成功转变为外延生长的致密的定向结构组织,涂层和基体的结合界面由原来的机械结合转变为牢固的冶金结合。定向结构组织中主枝主要由Ni、Fe元素为主的化合物和固溶体相组成,在其周围包裹有以Cr、C、B构成的析出相,加入高铝青铜的主要元素Cu、Al在定向晶形成过程中和Ni发生反应形成化合物呈网状结构分布在树枝晶主枝杆和析出相之间,起到连接过渡作用。由于定向结构涂层的单向取向特征,表面硬度相对于预制涂层有所降低,但整体均匀性更好。

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相似文献/References:

[1]杨效田,王智平,路阳,等.超音速等离子-感应复合技术制备高铝铜合金涂层特性[J].哈尔滨工程大学学报,2012,(07):906.[doi:10.3969/j.issn.1006-7043.201106037]
 YANG Xiaotian,WANG Zhiping,LU Yang,et al.Characteristics of high-aluminium copper alloy coating made by supersonic plasma spraying and induction-refusion composite technology[J].hebgcdxxb,2012,(12):906.[doi:10.3969/j.issn.1006-7043.201106037]

备注/Memo

备注/Memo:
收稿日期:2017-6-26。
基金项目:国家自然科学基金项目(51365024);国家国际科技合作项目(2015DFR51090);兰州理工大学博士基金项目资助.
作者简介:杨效田(1971-),男,副研究员.
通讯作者:杨效田,E-mail:398830990@qq.com.
更新日期/Last Update: 2018-12-01