Scholarlink

<p>This study investigates the result of incorporating 10 micron-sized B₄C on the wear and mechanical characteristics of Al7085 alloy. Composites with 4, 8, and 12 wt.% B₄C were made by means of stir casting techniques. Always, it is very difficult to have the proper wettability between the metal matrix and carbide particles. In the present research to improve the wettability a halide salt K<sub>2</sub>TiF<sub>6</sub> is used. Microstructural analysis utilizing SEM and EDS verified a consistent dispersal of B₄C particles through the Al7085 matrix. The incorporation of B₄C led to notable enhancements in hardness, tensile strength, and compressive strength; however, a decrease in ductility was noted. The improvements in the ultimate strength and hardness of Al70785 alloy with 12 wt.% of 10 micron-sized B<sub>4</sub>C is 35.3 and 48%, respectively. Wear tests conducted with varying loads and speeds indicated superior wear resistance in the composites relative to the unreinforced alloy. Scanning electron microscopy examinations of the worn surfaces indicated clear crack and wear contrivances in the Al7085-B₄C composites.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Synthesis of Aluminium-Ceramic Composites: Mechanical-Wear Characterization of Al7085 – B4C Micro Composites

  • 期刊论文

  • 发表日期：

    2025年9月4日

查看全文
  • M. Hemanth Kumar,
  • R. Saravanan,
  • B. K. Naveen Kumar,
  • Raman Kumar,
  • T. Hemanth Raju,
  • A. Bhowmik,
  • Madeva Nagaral,
  • Rashmi P. Shetty

摘要

This study investigates the result of incorporating 10 micron-sized B₄C on the wear and mechanical characteristics of Al7085 alloy. Composites with 4, 8, and 12 wt.% B₄C were made by means of stir casting techniques. Always, it is very difficult to have the proper wettability between the metal matrix and carbide particles. In the present research to improve the wettability a halide salt K2TiF6 is used. Microstructural analysis utilizing SEM and EDS verified a consistent dispersal of B₄C particles through the Al7085 matrix. The incorporation of B₄C led to notable enhancements in hardness, tensile strength, and compressive strength; however, a decrease in ductility was noted. The improvements in the ultimate strength and hardness of Al70785 alloy with 12 wt.% of 10 micron-sized B4C is 35.3 and 48%, respectively. Wear tests conducted with varying loads and speeds indicated superior wear resistance in the composites relative to the unreinforced alloy. Scanning electron microscopy examinations of the worn surfaces indicated clear crack and wear contrivances in the Al7085-B₄C composites.