The coupling influence of size effects and strain rates on the formability of austenitic stainless steel 304 foil

Jenn Terng Gau, Po Han Chen, Hao Gu, Rong Shean Lee

研究成果: Article同行評審

18 引文 斯高帕斯(Scopus)

摘要

In order to understand the coupling influence of size effects and strain rates on the formability of the austenitic stainless steel 304 foils in micro scale, a series of micro scale limited dome height (LDH) tests were designed and conducted in three different speeds without lubricant on the annealed and as-received austenitic stainless steel 304 foils. In this study, a technique was developed to coat a layer of pure chromium (≈0.3 μm thick) on the foils and by using the etching process to make the micro square grids (50 μm × 50 μm) on the foils. Then, the foils were annealed at different temperatures for obtaining different microstructures. A set of the forming limit curves (FLC) of the foils were obtained and they can be used by industry right away for product design, process design and development, die design, and simulations, etc. Besides, the coupling influence of the size effects and the strain rates on the formability of the austenitic stainless steel 304 foils has been studied, observed and understood.

原文English
頁(從 - 到)376-382
頁數7
期刊Journal of Materials Processing Technology
213
發行號3
DOIs
出版狀態Published - 2013 三月

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Computer Science Applications
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

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