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Steel foam for structures: A review of applications, manufacturing and material properties

Smith, BH, Arwade, SR, Szyniszewski, S, Schafer, BW and Hajjar, JF (2012) Steel foam for structures: A review of applications, manufacturing and material properties Journal of Constructional Steel Research, 71. pp. 1-10.

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The objective of this paper is to provide a state-of-the-art review for the structural application, manufacturing, material properties, and modeling of a new material: steel foam. Foamed steel includes air voids in the material microstructure and as a result introduces density as a new design variable in steel material selection. By controlling density the engineering properties of steel components may be altered significantly: improvement in the weight-to-stiffness ratio is particularly pronounced, as is the available energy dissipation and thermal resistivity. Full-scale applications of steel foams in civil structures have not yet been demonstrated. Therefore, existing applications demonstrating either proof-of-concept for steel foam, or full-scale use of aluminum foams in situations with clear civil/structural analogs are highlighted. Adoption of steel foam relies on the manufacturing method, particularly its cost, and the resulting properties of the steel foam. Therefore, published methods for producing steel foam are summarized, along with measurements of steel foam structural (modulus, yield stress, etc.) and non-structural (thermal conductivity, acoustic absorption, etc.) properties. Finally, existing models for predicting foamed steel material properties are summarized to highlight the central role of material density. Taken in total the existing research demonstrates the viability of steel foams for use in civil/structural applications, while also pointing to areas where further research work is required. © 2011 Elsevier Ltd. All rights reserved.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences
Authors :
Date : April 2012
Identification Number : 10.1016/j.jcsr.2011.10.028
Additional Information : NOTICE: this is the author’s version of a work that was accepted for publication in Journal of Constructional Steel Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Constructional Steel Research, 71, April 2012, DOI 10.1016/j.jcsr.2011.10.028.
Depositing User : Symplectic Elements
Date Deposited : 25 Mar 2014 11:03
Last Modified : 09 Jun 2014 13:55

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