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首页> 外文会议>Asian Pacific Conference on Fracture and Strength;APCFS; 20061122-25;20061122-25; Sanya(CN);Sanya(CN) >CrN Coating on Magnesium Alloy AZ91 by Arc-glow Plasma Depositing Process
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CrN Coating on Magnesium Alloy AZ91 by Arc-glow Plasma Depositing Process

机译：电弧发光等离子体沉积在镁合金AZ91上的CrN涂层

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摘要

Magnesium alloys exhibit great application potential in industries such as automotive, electronics, aerospace and others. But poor wear resistance and corrosion resistance have restricted their actual uses. In this study, a CrN film had been prepared on magnesium alloy AZ91 by arc-glow plasma depositing. The composition and microstructure of the coating had been analyzed by X-ray diffraction (XRD) and glow discharge spectrum (GDS). The morphology of CrN film has been surveyed through scanning electronic microscopy (SEM) and atom force microscopy (AFM). The wear behavior was investigated through ball-on-disc test. The corrosion behavior in 5 wt% NaCl solution was also studied. The results indicate that the specific wear ratio decreases greatly and the corrosion potential also increases relatively comparing to AZ91 matrix.
机译：镁合金在汽车，电子，航空航天等行业具有巨大的应用潜力。但是耐磨性和耐腐蚀性差限制了它们的实际使用。在这项研究中，通过电弧发光等离子体沉积在镁合金AZ91上制备了CrN膜。通过X射线衍射（XRD）和辉光放电光谱（GDS）分析了涂层的组成和微观结构。 CrN薄膜的形貌已通过扫描电子显微镜（SEM）和原子力显微镜（AFM）进行了调查。通过圆盘试验研究了磨损行为。还研究了在5 wt％NaCl溶液中的腐蚀行为。结果表明，与AZ91基体相比，比磨损率大大降低，腐蚀电位也相对增加。

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