Characterization of three- and four-point bending properties of porous metal fiber sintered sheet

Zhou, Wei, Wang, Qinghui, Ling, Weisong, He, Liangzong, Tang, Yong, Wu, Fan, Liao, Jianlong, Hui, K. S. ORCID: https://orcid.org/0000-0001-7089-7587 and Hui, K. N. (2014) Characterization of three- and four-point bending properties of porous metal fiber sintered sheet. Materials and Design, 56. pp. 522-527. ISSN 0261-3069

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Abstract

A novel porous metal fiber sintered sheet (PMFSS) with high porosity was fabricated by the solid-state sintering method of copper fibers. In this study, both three- and four-point bending setup were established to characterize the bending properties of PMFSS. Similar three stages in the three- and four-point bending fracture process were observed for the PMFSS with 80% porosity sintered at 900. °C for 60. min. Comparing with the three-point bending, it is found that much smaller bending force was obtained in the four-point bending test under the same displacement conditions. Moreover, the porosity and sintering parameters were also varied to investigate the influence on the bending properties of PMFSS. Both three- and four-point bending strength were found to be decreased with increasing porosity ranging from 70% to 90%. Higher sintering temperature produced higher bending strength for the PMFSS sintered in the temperature range of 700-1000. °C. Besides, the extension of holding time also could slightly affect the bending strength.

Item Type: Article
Uncontrolled Keywords: bending properties,porosity,porous materials,sintering parameters
Faculty \ School: Faculty of Science > School of Mathematics
Related URLs:
Depositing User: Pure Connector
Date Deposited: 04 Oct 2016 12:01
Last Modified: 10 Aug 2022 00:24
URI: https://ueaeprints.uea.ac.uk/id/eprint/60668
DOI: 10.1016/j.matdes.2013.10.077

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