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期刊论文

The microstructure and wear mechanism of a novel high-strength, wear-resistant zinc alloy (ZMJ)

李元元Yuanyuan Li* Junming Luo Zongqiang Luo Zhiyu Xiao T. Leo Ngai

Journal of Materials Processing Technology 55(1995)154-161,-0001,():

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摘要/描述

The remarkable tribological behavior of a novel high-strength, wear-resisting zinc-based alloy, named ZMJ, which is aimed to replace bronze as an engineering material, has been studied. A desirable wear-resisting microstructure was achieved through a specially designed composition and casting procedure. The micro-constituents and microstructures were studied, their relationships with the mechanical, anti-friction and wear-resisting properties having been analyzed both qualitatively and quantitatively. It was found that the microstructure of ZMJ plays a dominant role in providing its superior wear-resisting properties. The composition of ZMJ consists of Zn, Al, Cu, Mg, Mn, Ti, B and rare earth elements. The functions of each of these alloying elements have been explained in detail. This novel alloy's strengthening mechanisms and wear mechanisms have been studied and compared with those of phosphor-tin-bronze ZCuSn10P1 (GB1176-87) and the popular ZA-27 (ASTM B669-82) zinc-based alloy. ZMJ has been proven to be an excellent engineering material by comparing its mechanical properties and friction and wear properties with those of ZCuSnlOP1 and ZA-27. Industrial applications in gears, worm-gears, bearing and bushes etc. have shown that ZMJ brings significant benefits in energy saving and enhances the quality and life expectancy of these machinary parts.

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【免责声明】以下全部内容由[李元元]上传于[2005年03月04日 22时01分57秒],版权归原创者所有。本文仅代表作者本人观点,与本网站无关。本网站对文中陈述、观点判断保持中立,不对所包含内容的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考,并请自行承担全部责任。

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