欢迎登录材料期刊网

材料期刊网

高级检索

采用粉末热压工艺制成的(W+CeO2)p/2024Al复合材料作为坯料,对这种复合材料进行锻造性能研究.详细描述55%和78%锻造变形量的复合材料的显微组织形貌,研究不同锻造变形量时复合材料的力学性能和断裂机制.研究分析表明,经过锻造复合材料内部组织致密、颗粒分布比较均匀,具有较高的力学性能.锻造变形量不同,复合材料内部的组织结构不同,导致材料的力学性能相差很大,材料的断裂方式也不同.变形量55%的复合材料显示出明显的韧性断裂,当变形量达到78%时呈脆性断裂.

参考文献

[1] Qassim K S;Spieth B D .Shielding electronics behind composite structures[J].Nuclear Science,1996,45(06):02752-02755.
[2] LIAN Youyun,YANG Zhimin,YANG Jian,MAO Changhui.Processing and mechanical properties of 2024 aluminum matrix composites containing Tungsten and Tantalum prepared by PM[J].稀有金属(英文版),2006(z2):136-140.
[3] 郗雨林,柴东朗,齐志旺,史洪刚,候立群,王健.粉末冶金制备镁基复合材料的变形组织及性能[J].兵器材料科学与工程,2006(04):1-4.
[4] 张新明,张翀,刘胜胆,朱航飞.轧制变形量对7A55铝合金淬火敏感性的影响[J].中南大学学报(自然科学版),2007(04):589-594.
[5] Malas J C;Venugopal S;Seshaeharynlu T .Effect of microstructural complexity on the hot deformation behavior of aluminum alloy 2024[J].Materials Science and Technology,2004,A368:741-747.
[6] Hu LX.;Liu ZY.;Wang ED. .Microstructure and mechanical properties of 2024 aluminum alloy consolidated from rapidly solidified alloy powders[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2002(1/2):213-217.
[7] Ran Guang;Zhou Jing-en;Xi Shengqi et al.Mierostrueture and morphology of Al-Pb beating alloy synthesized by mechanical alloying and hot extrusion[J].Journal of Alloys and Compounds,2006,419:66-70.
[8] M. Janik-Czachor;A. Jaskiewicz;P. Kedzierzawski .Stability of the passive state of Al-Ta and Al-Nb amorphous alloys[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):171-177.
[9] W.J. Kim;J.H. Yeon .Deformation behavior of powder-metallurgy processedhigh-strain-rate superplastic 20%SiCp/2124 Al composite in a wide range of temperature[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1999(1/2):142-151.
[10] 尤显卿,王基才,郑玉春,黄漫平,袁根福.铸造WC/钢复合材料的锻造研究[J].热加工工艺,2002(06):40-42.
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%