Effect of long period stacking ordered phase on damping capacities of as-cast Mg-Zn-Y alloys  

长周期堆垛相对Mg-Zn-Y合金的阻尼性能影响（英文）

作　　者：LU Ruo-peng DING Zhi-bing WNANG Jing-feng ZHAO Yu-hong 鲁若鹏;王敬丰;丁志兵;赵宇宏(中北大学材料科学与工程学院,山西太原030051;重庆大学材料科学与工程学院,重庆400044)

机构地区：[1]School of Materials Science and Engineering, North University of China, Taiyuan 030051 , China [2]School of Materials Science and Engineering, Chongqing University, Chongqing 40004A, China

出　　处：《Journal of Measurement Science and Instrumentation》2017年第3期283-288,共6页测试科学与仪器（英文版）

基　　金：National Natural Science Foundation of China(Nos.U1610123,51674226,51574207,51574206,51274175);International Cooperation project of the Ministry of Science and Technology of China(No.2014DFA50320);The Science and Technology Major Project of Shanxi Province(No.MC2016-06);International Science and Technology Cooperation Project of Shanxi Province(No.2015081041);Research Project Supported by Shanxi Scholarship Council of China(No.2016-Key 2);Transformation of Scientific and Technological Achievements Special Guide Project of Shanxi Province(No.201604D131029);Shanxi Province Science Foundation for Youths(No.201601D021062)

摘　　要：The microstructure and damping capacities of MgZnxYi.33x(x=l-4at.%)alloys were discussed and researched.The main phase composition of the alloys consists of a_Mg and long-period stacking ordered(LPSO)phase.Due to increasedLPSO phase,grain size was refined.LPSO phase was advantageous to the damping properties of the Mg-Zn-Y alloys.Mg-7%Zn-12.8%Y has the highest damping capacity up to0.04.Due to stacking fault probability,the LPSO phase in the Mg-Zn-Yalloys could be new damping source to dissipate energy so as to contribute to the improvement of damping capacities.

关 键 词：magnesium alloys DAMPING microstructure long period stacking ordered (LPSO) phase 

分 类 号：TG146.22[一般工业技术—材料科学与工程]