Effect of Ca and Y additions on oxidation behavior of AZ91 alloy at elevated temperatures

被引：76
|
作者：
Cheng Su-ling [1 ]
Yang Gen-cang [1 ]
Fan Jian-feng [1 ]
Li You-jie [1 ]
Zhou Yao-he [1 ]
机构：
[1] NW Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2009年 / 19卷 / 02期
基金：
中国国家自然科学基金;
关键词：
AZ91; alloy; calcium; yttrium; oxidation resistance; oxidation kinetics; RARE-EARTH ADDITIONS; MAGNESIUM ALLOYS; MECHANICAL-PROPERTIES; SURFACE OXIDATION; IGNITION; MICROSTRUCTURE; BERYLLIUM;
D O I：
10.1016/S1003-6326(08)60268-X
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In order to develop the ignition-proof magnesium alloy, the effect of alloying elements, Ca and Y, on the oxidation behavior of AZ91 magnesium alloy at elevated temperatures was investigated. The ignition-proof performance, oxide products and oxidation kinetics of Ca- and Y-containing AZ91 alloys were studied. The results indicate that the proper addition of Ca can increase the ignition point of AZ91 alloy greatly. However, the oxide film of Ca-bearing AZ91 alloy formed at elevated temperature is thick and brittle, which is prone to crack in melting and cooling process. In addition, the oxide film of AZ91-xCa alloy is incompact and cannot inhibit the diffusion of reaction particles. The oxide film of AZ91-xCa alloy turns to thin and plastic one after Y is added, and the density of the oxide Film increases greatly due to the formation of composite oxide film composed of MgO, CaO and Y(2)O(3).
引用
收藏
页码：299 / 304
页数：6
相关论文
共 50 条
  • [41] Effect of Gd on Microstructure and Fracture Behavior of AZ91 Magnesium Alloy
    Li, Yao
    Yang, Junjie
    Wang, Huiling
    4TH ANNUAL INTERNATIONAL WORKSHOP ON MATERIALS SCIENCE AND ENGINEERING (IWMSE2018), 2018, 381
  • [42] Effect of the eutectic phase mixture on the anodic behavior of alloy AZ91
    Anik, M
    Avci, P
    Tanverdi, A
    Celikyurek, I
    Baksan, B
    Gurler, R
    MATERIALS & DESIGN, 2006, 27 (05) : 347 - 355
  • [43] Effect of Pb addition on ageing behavior of AZ91 magnesium alloy
    Srinivasan, A.
    Pillai, U. T. S.
    Pai, B. C.
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2007, 452 : 87 - 92
  • [44] Effect of Calcium on the Combustion Behavior of Molten AZ91 Magnesium Alloy
    Kawabata, Hiroyuki
    Yagi, Yusuke
    Aoki, Yuko
    Kato, Hajime
    Kitayama, Koshiro
    Hibi, Kazuma
    JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS, 2019, 83 (02) : 46 - 53
  • [45] Effect of Ce addition on hot tearing behavior of AZ91 alloy
    Liu, Wenjun
    Jiang, Bin
    Yang, Qingshan
    Tao, Jianquan
    Liu, Bo
    Pan, Fusheng
    PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL, 2019, 29 (04) : 453 - 456
  • [46] Mechanism of Effects of Rare Earths on Microstructure and Properties at Elevated Temperatures of AZ91 Magnesium Alloy
    张国英
    张辉
    高明
    魏丹
    Journal of Rare Earths, 2007, (03) : 348 - 351
  • [47] Effect of Calcium on the Combustion Behavior of Molten AZ91 Magnesium Alloy
    Kawabata, Hiroyuki
    Yagi, Yusuke
    Aoki, Yuko
    Kato, Hajime
    Kitayama, Koshiro
    Hibi, Kazuma
    MATERIALS TRANSACTIONS, 2018, 59 (02) : 272 - 279
  • [48] Mechanism of effects of rare earths on microstructure and properties at elevated temperatures of AZ91 magnesium alloy
    Zhang Guoying
    Zhang Hui
    Gao Ming
    Wei Dan
    JOURNAL OF RARE EARTHS, 2007, 25 (03) : 348 - 351
  • [49] Effects of Rare Earth Element Additions on the Impression Creep Behavior of AZ91 Magnesium Alloy
    F. Kabirian
    R. Mahmudi
    Metallurgical and Materials Transactions A, 2009, 40 : 2190 - 2201
  • [50] Dry sliding wear behavior of globular AZ91 magnesium alloy and AZ91/SiCp composites
    Garcia-Rodriguez, S.
    Torres, B.
    Maroto, A.
    Lopez, A. J.
    Otero, E.
    Rams, J.
    WEAR, 2017, 390-391 : 1 - 10
12345