| Y含量对Mg-Al-Zn堆焊合金摩擦磨损性能的影响 |
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| 引用本文： | 陈庆强,赵志浩,王高松,朱庆丰,陶凯,朱成.Y含量对Mg-Al-Zn堆焊合金摩擦磨损性能的影响[J].稀有金属材料与工程,2018,47(6):1812-1817. |
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| 作者姓名： | 陈庆强 赵志浩 王高松 朱庆丰 陶凯 朱成 |
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| 作者单位： | 材料电磁过程研究教育部重点实验室;东北大学 |
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| 基金项目： | 国家自然科学基金资助(51204053)，教育部项目基本科研业务费项目国家项目培育种子基金(N150904002)，省科技项目重点实验室(LZ2015040) |
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| 摘 要： | 研究了Y元素添加及其含量对AZ91焊丝堆焊Mg-Al-Zn合金室温下干滑动摩擦磨损性能及磨损机制的影响。结果表明:由于存在粗大β-Mg_(17)Al_(12)相,未添加稀土Y元素的AZ91堆焊合金的耐磨性能较差;通过添加稀土Y元素,可以减小粗大β相的尺寸和数量,减小亚表层变形层的厚度以及堆焊合金发生剥层磨损的程度,提高堆焊合金的耐磨性;稀土Y元素会导致堆焊合金的硬度降低;AZ91堆焊合金的主要磨损机制有3种:磨粒磨损、氧化磨损和剥层磨损。
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| 关 键 词： | AZ91镁合金 堆焊 摩擦磨损 显微组织 |
| 收稿时间： | 2017/8/4 0:00:00 |
| 修稿时间： | 2017/10/25 0:00:00 |
Effects of Yttrium Addition on the Wear Resistance of Surfacing Welding Mg-Al-Zn Alloy |
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| Chen Qingqiang,Zhao Zhihao,Wang Gaosong,Zhu Qingfeng,Tao Kai and Zhu Cheng.Effects of Yttrium Addition on the Wear Resistance of Surfacing Welding Mg-Al-Zn Alloy[J].Rare Metal Materials and Engineering,2018,47(6):1812-1817. |
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| Authors: | Chen Qingqiang Zhao Zhihao Wang Gaosong Zhu Qingfeng Tao Kai and Zhu Cheng |
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| Affiliation: | Key Laboratory of Electromagnetic Processing of Materials,Ministry of Education,Northeastern University,School of Materials Science Engineering,Northeastern University,Key Laboratory of Electromagnetic Processing of Materials,Ministry of Education,Northeastern University,Key Laboratory of Electromagnetic Processing of Materials,Ministry of Education,Northeastern University,Key Laboratory of Electromagnetic Processing of Materials,Ministry of Education,Northeastern University,Key Laboratory of Electromagnetic Processing of Materials,Ministry of Education,Northeastern University |
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| Abstract: | |
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| Keywords: | AZ91 surfacing welding frictional wear microstructure |
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