Effect of Calcining Temperature of Ceramic Powders Prepared from TEOS/Boehmite Sol-Gel on Tribological Behavior of Brake Lining Materials

被引：1

作者：

Lee, K. J. ^{[1
]}

Chen, Y. T. ^{[1
]}

Cheng, H. Z. ^{[1
]}

Jang, J. S. C. ^{[1
]}

Chang, P. C. ^{[2
]}

Lin, S. W. ^{[3
]}

Chen, Y. D. ^{[3
]}

机构：

[1] I SHOU Univ, Dept Mat Sci & Engn, Kaohsiung, Taiwan

[2] Kun Shan Univ, Dept Elect Engn, Tainan, Taiwan

[3] Chung Shan Inst Sci & Technol, Aeronaut Syst Res Div, Taichung, Taiwan

来源：

THERMEC 2009, PTS 1-4 | 2010年 / 638-642卷

关键词：

brake; sol-gel; TEOS; /; boehmite; friction; wear; PHENOLIC FRICTION MATERIAL; TETRAETHOXYSILANE; COMPOSITES; BOEHMITE; MULLITE;

D O I：

10.4028/www.scientific.net/MSF.638-642.950

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study is to investigate tribological behavior of brake lining materials by hot pressing commercial friction powders with ceramic powders prepared by TEOS / boehmite sot-gel. The stoichiometric ratios of TEOS / boehmite sol-gel were kept constant but calcinated at different temperature to fabricate different homemade ceramic powders. The various phases of ceramic powders such as gamma-Al2O3, delta-Al2O3, theta-Al2O3, alpha-Al2O3, cristobalite and mullite were formed during the preparation process starting from TEOS / boehmite sol-gel solution. The XRD observations reveal the final compositions of these homemade powders were strongly related to the calcining temperature. The brake lining specimens made from TEOS / boehmite sol-gel calcinated at higher temperature show better tribological performance. The brake lining specimen with alpha-Al2O3 and mullite which were transformed from TEOS / boehmite sol-gel calcinated at 1300 degrees C shows the most stable friction coefficient and the lowest mass loss during wear tests.

引用

页码：950 / +

页数：2

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