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Relationship between microstructure and properties for ultrasonic surface mechanical attrition treatment

  • W.Y. Tsai
  • , J.C. Huang*
  • , Yu Jia Gao
  • , Y.L. Chung
  • , Guan-Rong Huang
  • *Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Abstract

The analytic modeling and one experimental assess of the ultrasonic surface mechanical attrition treatment are presented. The bombarding ball speed, induced energy, hardness and grain size are incorporated into this model, based on harmonic longitudinal vibration motion of ultrasonic-wave-driven impact. There appear some optimum attrition working parameters for the best attrition effect; beyond which, the sample surface would be subject to bombarding microcracking and the grain size would not be further reduced. The benefits from attrition would become lower.
Original languageEnglish
Pages (from-to)45-48
JournalScripta Materialia
Volume103
Online published2 Apr 2015
DOIs
Publication statusPublished - 1 Jul 2015
Externally publishedYes

Research Keywords

  • Grain refining
  • Hardness
  • Nanocrystalline microstructure
  • SMAT
  • Stainless steels

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