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。
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.
出处
《中国表面工程》
EI
CAS
CSCD
北大核心
2011年第2期70-73,共4页
China Surface Engineering
基金
国家自然科学基金项目(50735006
50905185)
国家"863"计划项目(2009AA03Z342)
关键词
高速电弧喷涂
高熵合金
涂层
组织与性能
high velocity arc spraying
high-entropy alloys
coating
microstructure and properties
