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Understanding size effects and forming limits in the micro-stamping of industrial stainless steel foils

Weiss, Matthias, Zhang, Peng, Pereira, Michael, Rolfe, Bernard B. F., Wilkosz, Daniel E. and Hodgson, Peter D. 2021, Understanding size effects and forming limits in the micro-stamping of industrial stainless steel foils, Metals, vol. 11, no. 1, doi: 10.3390/met11010038.

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Title Understanding size effects and forming limits in the micro-stamping of industrial stainless steel foils
Author(s) Weiss, MatthiasORCID iD for Weiss, Matthias orcid.org/0000-0002-1845-6343
Zhang, Peng
Pereira, MichaelORCID iD for Pereira, Michael orcid.org/0000-0002-7885-5901
Rolfe, Bernard B. F.ORCID iD for Rolfe, Bernard B. F. orcid.org/0000-0001-8516-6170
Wilkosz, Daniel E.
Hodgson, Peter D.
Journal name Metals
Volume number 11
Issue number 1
Article ID 38
Total pages 20
Publisher MDPI AG
Place of publication Basel, Switzerland
Publication date 2021-01
ISSN 2075-4701
Keyword(s) Science & Technology
Technology
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Materials Science
micro-stamping
stainless steel
forming limit
microstructure
fuel cells
Summary This study investigates the effect of grain size and composition on the material properties and forming limits of commercially supplied stainless steel foil for bipolar plate manufacture via tensile, stretch forming and micro-stamping trials. It is shown that in commercially supplied stainless steel the grain size can vary significantly and that ‘size effects’ can be influenced by prior steel processing and composition effects. While the forming limits in micro-stamping appear to be directly linked to the plane strain forming limits of the individual stainless steel alloys, there was a clear effect of the tensile anisotropy. In contrast to previous studies, forming severity and the likelihood of material failure did not increase with a decreasing channel profile radius. This was related to inaccuracies of the forming tool profile shape.
Notes This article belongs to the Special Issue Micro-Forming
Language eng
DOI 10.3390/met11010038
Indigenous content off
Field of Research 0914 Resources Engineering and Extractive Metallurgy
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2020, The authors
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30147061

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.