文献详情
Thermal stability, mechanical properties and corrosion behavior of a Mg-Cu-Ag-Gd metallic glass with Nd addition
文献类型期刊
作者Wang, Guan[1];Guo, Cui-Xia[2];Pang, Shu-Jie[3]
机构
通讯作者Pang, SJ (reprint author), Beihang Univ, Sch Mat Sci & Engn, Key Lab Aerosp Mat & Performance, Minist Educ, Beijing 100191, Peoples R China.
来源信息年:2017  卷:36  期:3  页码范围:183-187  
期刊信息RARE METALS影响因子和分区  ISSN:1001-0521
关键词Mg-based alloy; Metallic glass; Thermal stability; Mechanical properties; Corrosion resistance
摘要By the minor addition of Nb to a Mg-Cu-Ag-Gd alloy, a Mg-Cu-Ag-Gd-Nb bulk metallic glass (BMG) with improved thermal stability and corrosion resistance as well as good mechanical properties was developed. Mg54Cu26.5Ag8.5Gd11-x Nb (x) (x = 0, 1) BMGs with a diameter of 2 mm were fabricated by copper-mold casting. The Mg54Cu26.5Ag8.5Gd10Nb1 BMG exhibits enlarged supercooled liquid region of 58 K. Electrochemical measurements indicate that the addition of Nb improves the corrosion resistance of the Mg-based BMG in NaCl solution evidenced by the increased corrosion potential, though no significant effect of Nb on the corrosion behavior of the BMG in NaOH solution is observed. The Mg-Cu-Ag-Gd-Nb BMG also shows high compressive strength up to 890 MPa and elastic strain of about 1.9%.
收录情况SCIE(WOS:000396043100004)  EI(20170803382526)  PKU  
所属部门材料科学与工程学院
DOI10.1007/s12598-017-0885-x
学科材料科学:综合;冶金工程
人气指数838
浏览次数838
基金Natural Science Foundation of Beijing [2132045]
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