引用本文:郭 伟a，梁秀兵a, b，陈永雄a，魏 敏a.FeCrNiCoCu(B)高熵合金涂层的制备与表征[J].中国表面工程,2011,24(2):70~73
GUO Weia, LIANG Xiu?binga, b, CHEN Yong?xionga, WEI Mina.Preparation and Characterization of the FeCrNiCoCu(B) High?entropy Alloy Coatings[J].China Surface Engineering,2011,24(2):70~73
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FeCrNiCoCu(B)高熵合金涂层的制备与表征
郭 伟a，梁秀兵a, b，陈永雄a，魏 敏a
装甲兵工程学院 a. 再制造技术重点实验室 b. 科研部，北京 100072
摘要:
用高速电弧喷涂方法在工业常用AZ91镁合金基体表面制备了FeCrNiCoCu和FeCrNiCoCuB两种高熵合金涂层，并用扫描电镜（SEM）和X射线衍射（XRD）等手段研究了涂层的微观形貌、成分和常规力学性能。结果表明，两种高熵合金涂层都形成了致密的层状结构，晶体结构均为简单的FCC结构，显微硬度分别达到了408 HV和346 HV，涂层与基体结合良好，两种涂层的结合强度分别为36.9 MPa和33.6 MPa。
关键词:  高速电弧喷涂  高熵合金  涂层  组织与性能
DOI：
分类号:
基金项目:国家自然科学基金项目(50735006,50905185); 国家“863”计划项目(2009AA03Z342)
Preparation and Characterization of the FeCrNiCoCu(B) High?entropy Alloy Coatings
GUO Weia, LIANG Xiu?binga, b, CHEN Yong?xionga, WEI Mina
a. Science and Technology on Remanufacturing Laboratory b. Department of Science and Research, Academy of Armored Forces Engineering, Beijing 100072
Abstract:
Two kinds of high?entropy alloys coatings of FeCrNiCoCu and FeCrNiCoCuB were prepared on AZ91 magnesium alloy using the high velocity arc spraying technology. Microstructure and mechanical properties of the prepared coatings were observed with SEM、XRD and hardness and strength bond testers. The results show that the two kinds of coatings both exhibit compact layered microstructure and the phase lattice type are both FCC, the micro?hardness of the two coatings are 408 HV and 346 HV respectively. Bond strength are 36.9 MPa and 33.6 MPa.
Key words:  high velocity arc spraying  high?entropy alloys  coating  microstructure and properties
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