...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Powder Metallurgy >Effect of nano-SiC content on mechanical properties of SiC/2014Al composites fabricated by powder metallurgy combined with hot extrusion
【24h】

Effect of nano-SiC content on mechanical properties of SiC/2014Al composites fabricated by powder metallurgy combined with hot extrusion

机译：纳米SiC含量对粉末冶金结合热挤压制备SiC / 2014Al复合材料力学性能的影响

获取原文
获取原文并翻译 | 示例
   

获取外文期刊封面封底 >>

       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Nano-SiC particulates (n-SiCp) reinforced 2014Al matrix composites with different reinforcement volume fractions (0, 0.25, 0.5 and 1 vol.-%) were fabricated by powder metallurgy combined with hot extrusion. The effect of volume fraction of n-SiCp on mechanical properties of composites was studied at both ambient and elevated temperatures. The increase of n-SiCp content led to an increase in yield strength (YS) and ultimate tensile strength (UTS) and a slight decrease in elongation which is much better than the composites reinforced with micro-SiCp. The 0.5 vol.-% n-SiCp/2014Al composite observed the highest YS and UTS of similar to 378 and similar to 573 MPa at room temperature and of similar to 303 and similar to 409 MPa at 473 K. The enhancement of the properties is suggested to be induced by uniformly dispersed and well-bonded n-SiCp reinforcements as well as the age-hardening effect of the more and finer precipitates.
机译：通过粉末冶金与热挤压相结合的方法，制备了具有不同体积分数（0、0.25、0.5和1 vol .-％）的纳米SiC颗粒（n-SiCp）增强的2014Al基复合材料。研究了在室温和高温下，n-SiCp的体积分数对复合材料力学性能的影响。 n-SiCp含量的增加导致屈服强度（YS）和极限抗拉强度（UTS）的增加，伸长率略有下降，这比用微SiCp增强的复合材料要好得多。 0.5％（体积）n-SiCp / 2014Al复合材料在室温下观察到的YS和UTS最高，类似于378和573 MPa，在473 K下观察到的303和409 MPa最高。建议由均匀分散和粘结良好的n-SiCp增强材料以及更多和更细的沉淀物的时效硬化作用引起。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号