Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11961
Title: Three-stage full-range stress-strain model for stainless steels
Authors: Quach, WM
Teng, JG 
Chung, KF 
Keywords: Parameters
Stainless steel
Stress strain relations
Issue Date: 2008
Publisher: American Society of Civil Engineers
Source: Journal of structural engineering, 2008, v. 134, no. 9, p. 1518-1527 How to cite?
Journal: Journal of structural engineering 
Abstract: Advanced numerical modeling of cold-formed stainless steel members, from manufacturing to full-range response under applied loading, requires knowledge of the stress-strain relationship of the material over a wide range of tensile and compressive strains. Although a number of stress-strain models have been developed for stainless steels, they are only capable of accurate predictions either over a limited strain range or for the tensile stress-strain behavior only. This paper presents a three-stage stress-strain model for stainless steels, which is capable of accurate predictions over the full ranges of both tensile and compressive strains. The new stress-strain model is defined using the three basic Ramberg-Osgood parameters and is based on a careful interpretation of existing experimental data. The accuracy of the proposed model is demonstrated by comparing its predictions with experimental stress-strain curves. These comparisons also clearly demonstrate the advantage of the proposed model over the only existing full-range stress-strain model.
URI: http://hdl.handle.net/10397/11961
ISSN: 0733-9445
EISSN: 1943-541X
DOI: 10.1061/(ASCE)0733-9445(2008)134:9(1518)
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