Effect of Zr content on damping property of Mg-Zr binary alloys
Niu, Rui-long1,3; Yan, Fang-jia1,3; Wang, Yun-si2,3; Duan, Dong-ping1; Yang, Xue-min1
2018-03-07
发表期刊MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
卷号718页码:418-426
摘要The damping property expressed by internal friction tan phi of as-cast Mg-Zr binary alloys with Zr content from 0.6 to 5.0% was experimentally measured under conditions of changing temperature from ambient temperature T-am to 600 K (327 degrees C), vibration frequency f from 1.0 to 10.0 Hz, strain epsilon from 1.0 x 10(-6) to 1.0 x 10(-3), and heating rate v from 2 to 5 K/min. The experimental results indicate that the damping property of prepared as cast Mg-Zr binary alloys can be effectively promoted by increasing either heating rate v or strain epsilon. Increasing vibration frequency f can effectively decrease the damping property, however increasing vibration frequency f has little effect on the plots of internal friction tan phi against temperature T, i.e., T-tan phi curve, under the condition of f > 5.0 Hz. The optimal Zr content of the as-cast Mg-Zr binary alloys with better performance of damping property is recommended to be 0.6 mass % in a range of Zr content from 0.6 to 5.0%. Furthermore, the effect of strain epsilon on damping property for the as-cast Mg-Zr binary alloys can be ideally explained by dislocation pinning theory or the G-L model, while the influence of temperature T on damping property for the as-cast Mg-Zr binary alloys complies with the viscoelastic relaxation behaviour.
关键词Damping Properties As-cast Mg-zr Binary Alloys Effect Of Zr Content Dislocation Damping Mechanism Dislocation Pinning Theory
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.msea.2018.01.115
收录类别SCI
语种英语
关键词[WOS]HIGH-TEMPERATURE ; MAGNESIUM ALLOY ; MECHANICAL-PROPERTIES ; INTERNAL-FRICTION ; MATRIX COMPOSITES ; MICROSTRUCTURE ; CAPACITY ; BEHAVIOR
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000427344000048
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24068
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, CAS Key Lab Comprehens & Highly Efficient Utiliza, Xining 810008, Qinghai, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Niu, Rui-long,Yan, Fang-jia,Wang, Yun-si,et al. Effect of Zr content on damping property of Mg-Zr binary alloys[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2018,718:418-426.
APA Niu, Rui-long,Yan, Fang-jia,Wang, Yun-si,Duan, Dong-ping,&Yang, Xue-min.(2018).Effect of Zr content on damping property of Mg-Zr binary alloys.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,718,418-426.
MLA Niu, Rui-long,et al."Effect of Zr content on damping property of Mg-Zr binary alloys".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 718(2018):418-426.
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