Strain rate dependency of impact tensile properties in various commercial aluminum alloys

Tomokazu Masuda, Toshiro Kobayashi, Hiroyuki Toda, Shigeki Morita

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

At present, there is no standard impact tensile and compression test method. In the present study, impact tensile tests for high strain rate range are carried out using the split-Hopkinson bar technique and the servo-hydraulic impact testing machine on ten kinds of commercial aluminum alloys. Stress-strain curves are measured for strain rate between 10-4 and 104s-1 and strain rate dependency of tensile properties is investigated. All the aluminum alloys show an increase in 0.2% proof stress, ultimate tensile strength, elongation and reduction in area by increasing the strain rate. Stress-strain curves are of similar shape below strain rate of 103s-1 and a significant change in shape is observed with strain rate larger than 103s-1.

Original languageEnglish
Pages (from-to)823-828
Number of pages6
JournalInternational Journal of Materials and Product Technology
Issue numberSPEC ISS. VOL.2
Publication statusPublished - 2001
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Safety, Risk, Reliability and Quality
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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