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

被引：19

作者：

Zhou, Wei ^{[1
]}

Wang, Qinghui ^{[2
]}

Ling, Weisong ^{[1
]}

He, Liangzong ^{[1
]}

Tang, Yong ^{[2
]}

Wu, Fan ^{[2
]}

Liao, Jianlong ^{[2
]}

Hui, K. S. ^{[3
]}

Hui, K. N. ^{[4
]}

机构：

[1] Xiamen Univ, Dept Mech & Elect Engn, Xiamen 361005, Peoples R China

[2] S China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R China

[3] Hanyang Univ, Dept Mech Engn, Seoul 133791, South Korea

[4] Pusan Natl Univ, Sch Mat Sci & Engn, Pusan 609735, South Korea

来源：

MATERIALS & DESIGN | 2014年 / 56卷

关键词：

Porous materials; Bending properties; Porosity; Sintering parameters; COMPRESSIVE PROPERTIES; MECHANICAL-PROPERTIES; FABRICATION; STEEL; BEHAVIOR; FOAMS; POROSITY; FELTS; BONE;

D O I：

10.1016/j.matdes.2013.10.077

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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 degrees 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 degrees C. Besides, the extension of holding time also could slightly affect the bending strength. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.

引用

页码：522 / 527

页数：6

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