Maraveas, C, Fasoulakis, Z and Tsavdaridis, KD orcid.org/0000-0001-8349-3979 (2017) Mechanical properties of High and Very High Steel at elevated temperatures and after cooling down. Fire Science Reviews, 6 (3). ISSN 2193-0414
Abstract
High-strength steels (HSS) are produced using special chemical composition or/and manufacturing processes. Both aspects affect their mechanical properties at elevated temperatures and after cooling down, and particularly the residual strength and the ductility of the structural members. As HSS equates the design of lighter structural elements, higher temperatures are developed internally compared to the elements designed with conventional carbon steel. Therefore, the low thickness members, along with the severe effect of high temperature on the mechanical properties of the HSS, constitute to the increased vulnerability of such structures in fire. Moreover, the re-use and reinstatement of these structures are more challenging due to the lower residual mechanical properties of HSS after the cooling down period. This paper presents a review of the available experimental studies of the mechanical properties of HSS at elevated temperatures and after cooling down. The experimental results are collected and compared with the proposed material model (reduction factors) of EN1993–1-2. Based on these comparisons, modified equations describing the effect of elevated temperatures on the mechanical properties of HSS are proposed. Also, the post-fire mechanical properties of HSS are examined. A comprehensive discussion on the effect of influencing parameters, such as manufacturing process, microstructure, loading conditions, maximum temperature, and others is further explored.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | (c) 2017, The Author(s). This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. |
Keywords: | Mechanical properties; High strength steel; Elevated temperatures; Post-fire residual strength |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Civil Engineering (Leeds) > Institute for Resilient Infrastructure (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 03 Aug 2017 11:46 |
Last Modified: | 05 Oct 2017 15:38 |
Status: | Published |
Publisher: | Springer |
Identification Number: | 10.1186/s40038-017-0017-6 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:119732 |
Commentary/Response Threads
- Maraveas, C, Fasoulakis, Z and Tsavdaridis, KD Mechanical properties of High and Very High Steel at elevated temperatures and after cooling down. (deposited 03 Aug 2017 11:46) [Currently Displayed]