Deformation evolution of a Zr-based bulk metallic glass under three-point bending tests

S. H. Chen, Kang Cheung Chan, L. Xia

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

4 Citations (Scopus)

Abstract

Bending tests have been used extensively to assess the plastic deformation behavior of bulk metallic glasses (BMGs), however, a detailed experimental investigation of the deformation evolution of BMGs during such bending tests have been rarely reported. In the present work, the deformation evolution of a Zr-based BMG during three-point bending has been studied, and four distinct deformation evolution stages have been observed. After the elastic stage (stage I), the specimen starts to undergo some local plastic deformation while the bending curve still manifests an "elastic" state (stage II). In stage III, the specimen undergoes relatively stable plastic deformation. Finally, in stage IV, more plastic deformation occurs on the tensile side of the bending specimen resulting in the final fracture of the specimen. The current findings provide a fundamental understanding of the deformation mechanisms of BMGs under bending tests, which lays down a good foundation for further investigation of the deformation behavior of BMGs under more complex stress states.
Original languageEnglish
Title of host publicationAdvances in Materials and Processing Technologies XVI
PublisherTrans Tech Publications
Pages31-38
Number of pages8
ISBN (Print)9783038350972
DOIs
Publication statusPublished - 1 Jan 2014
Event16th International Conference on Advanced Materials and Processing Technologies, AMPT 2013 - Taipei, Taiwan
Duration: 22 Sep 201326 Sep 2013

Publication series

NameAdvanced Materials Research
Volume939
ISSN (Print)1022-6680

Conference

Conference16th International Conference on Advanced Materials and Processing Technologies, AMPT 2013
CountryTaiwan
CityTaipei
Period22/09/1326/09/13

Keywords

  • Bulk metallic glass
  • Deformation evolution
  • Shear bands
  • Three-point bending

ASJC Scopus subject areas

  • Engineering(all)

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