欢迎登录材料期刊网

材料期刊网

高级检索

采用硬度和电导率测定结合TEM/EDS组织分析研究了预时效温度及预时效时间对T4态Al-1.3Si-1.2Mg-0.6Cu合金板材成形性能、室温停放稳定性及烤漆硬化性的影响.结果表明:能同时有效改善该合金T4态板材的成形性、室温停放过程中的组织性能稳定性及烤漆硬化性的最佳预时效工艺为190 ℃左右保温约8 min.当预时效温度高于190 ℃或预时效时间过长,将不利于合金板材成形性的改善;若预时效温度低于190 ℃或预时效时间过短,则不利于合金板材预时效处理后的室温停放稳定性及烤漆硬化性的发挥.

参考文献

[1] Miller W S;Zhuang L;Bottema J et al.Recent development in aluminium alloys for the automotive industry[J].Materials Science and Engineering A,2000,280(01):37-49.
[2] Hirth S M;Marshall G J;Court S A et al.Effects of Si on the aging behavior and formability of aluminium alloys based on AA6016[J].Materials Science and Engineering A,2001,319-321:452-456.
[3] Daniel Carle;Gordon Blount .The suitability of aluminium as an alternative material for car bodies[J].Materials & Design,1999(5):267-272.
[4] Yamada K;Sato T;Kamio A .Pre-precipitation and two-step aging behavior of Al-Mg-Si alloys[J].Aluminum Alloys-Contemporary Research and Applications,1998,2:709-714.
[5] 李普超;汪明朴;孙孝华 等.Al-Mg-Si合金的时效研究[J].中南大学学报,1998,29(03):262-265.
[6] Zhuang L;Jans J E;Smet P D.Natural ageing effect on the bake hardening response in Al-Mg-Si alloys[J].Aluminium(TMS),2001:77-91.
[7] C.D. Marioara;S.J. Andersen;J. Jansen .The influence of temperature and storage time at RT on nucleation of the beta" phase in a 6082 Al-Mg-Si alloy[J].Acta materialia,2003(3):789-796.
[8] JI Yan-li,GUO Fu-an,PAN Yan-feng.Microstructural characteristics and paint-bake response of Al-Mg-Si-Cu alloy[J].中国有色金属学会会刊(英文版),2008(01):126-131.
[9] LIU Hong,CHEN Yang,ZHAO Gang,LIU Chun-ming,ZUO Liang.Effect of pre-aging on precipitation behavior of Al- 1.29Mg- 1.22Si-0.68Cu-0.69Mn-0.3Fe-0.2Zn-0.1 Ti alloy[J].中国有色金属学会会刊(英文版),2006(04):917-921.
[10] L. Zhen;S. B. Kang .EFFECT OF PRE-AGING ON MICROSTRUCTURE AND TENSILE PROPERTIES OF Al-Mg-Si ALLOYS[J].Scripta materialia,1997(10):1089-1094.
[11] Shahrzad Esmaeili;David J. Lloyd .Characterization of the evolution of the volume fraction of precipitates-in aged AlMgSiCu alloys using DSC technique[J].Materials Characterization,2005(4/5):307-319.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%