Indentation behavior of a ZCAP-3 bulk metallic glass: Effects of the fatigue deformation

Fuqian Yang, Hongmei Dang, Gongyao Wang, Yoshihiko Yokoyama, Peter K. Liaw

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The effects of the fatigue deformation on the localized deformation of a ZCAP-3 bulk metallic glass (BMG) were studied using the nanoindentation technique. A localized mechanical hardening was observed in the ZCAP-3 BMG between the shear bands in the fatigue-damaged zone. In contrast to the indentations of the BMG made far away from the fatigue-damaged zone, there was no indentation size effect. Both the reduced contact modulus and the indentation hardness were larger than those corresponding to the indentations of the ZCAP-3 BMG in the undamaged zone. These observations revealed the possible effects of local heating and stress-induced atomic rearrangements (i.e., inelastic deformation) on the reduction of the free volume in the BMG from the propagation of the fatigue crack.

Original languageEnglish
Pages (from-to)2346-2352
Number of pages7
JournalJournal of Materials Research
Issue number7
StatePublished - Jul 2009

Bibliographical note

Funding Information:
F.Q. Yang is grateful for support from the National Science Foundation (NSF) Grants CMS-0508989 and CMMI 0800018. P.K. Liaw and G.Y. Wang are supported by the International Materials Institutes (IMI) program, DMR-0231320, with Dr. C. Huber as the program director.

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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