Key roles of particles in grain refinement and material strengthening for an aluminum matrix composite

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

1 Scopus Citations
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Author(s)

  • Jinfeng Nie
  • Yanfang Liu
  • Fang Wang
  • Hao Zhou
  • Yang Cao
  • Xiangfa Liu
  • Xianghai An
  • Xiaozhou Liao
  • Yonghao Zhao

Detail(s)

Original languageEnglish
Article number140414
Journal / PublicationMaterials Science and Engineering A
Volume801
Online published21 Oct 2020
Publication statusPublished - 13 Jan 2021

Abstract

An aluminum matrix composite (AMC) containing ~5% TiB2/TiC particles is processed by high-pressure torsion. The microstructures and mechanical properties of the composites are analyzed in detail. The processed AMC samples are compared to the corresponding monolithic matrix material to investigate the key roles of particles in grain refinement and material strengthening. It is found that a small portion of particles is beneficial for grain refinement while maintaining the integrity of the material. In addition, the presence of particles grants the ultrafine-grained AMC larger strain hardening capacity (energy storage capacity) than the ultrafine-grained aluminum.

Research Area(s)

  • Composite, Hall-petch relationship, Particles, Plastic deformation, Ultrafine-grained materials

Citation Format(s)

Key roles of particles in grain refinement and material strengthening for an aluminum matrix composite. / Nie, Jinfeng; Liu, Yanfang; Wang, Fang; Zhou, Hao; Cao, Yang; Liu, Xiangfa; An, Xianghai; Liao, Xiaozhou; Zhu, Yuntian; Zhao, Yonghao.

In: Materials Science and Engineering A, Vol. 801, 140414, 13.01.2021.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review