首页> 中文期刊> 《中国有色金属学报:英文版》 >Microstructures and tensile properties of hot-extruded composite Bi2O3-coated ABOw/Al composite

Microstructures and tensile properties of hot-extruded composite Bi2O3-coated ABOw/Al composite

         

摘要

<正>A pure aluminum matrix composite reinforced by Bi2O3-coated aluminum borate whisker was fabricated by a squeeze casting method. The mass ratio of Bi2O3 to whisker is 1:30. The interfacial reaction between Bi2O3 coating and aluminum takes place during casting process. Deformation behavior and formability of ABOw reinforced aluminum (ABOw/Al) composites with and without Bi2O3 coating were investigated by the extrusion deformation at 400℃. The results show that the steady-state extrusion load and the probability of whisker fracture of extruded ABOw/Al composite with Bi2O3 coating are lower than those of extruded ABOw/Al composite, and its surface quality is better than that of extruded ABOw/Al composite. Evaluation of the tensile properties shows that the extruded ABOw/Al composite with Bi2O3 coating have the ultimate tensile strength and yield strengths with 0.2% superior to those of ABOw/Al composite.

著录项

  • 来源
    《中国有色金属学报:英文版》 |2006年第s3期|1285-1288|共4页
  • 作者单位

    School of Materials Science and Engineering Harbin Institute of Technology;

    Harbin 150001;

    China;

    School of Materials Science and Engineering;

    Harbin Institute of Technology;

    Harbin 150001;

    China;

    School of Materials Science and Engineering;

    Harbin Institute of T;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 金属复合材料;
  • 关键词

    机译:铝基复合材料;Al18B4O33晶须;挤压变形;液铋;
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