Precipitate-Accommodated Plasma Nitriding for Aluminum Alloys
来源期刊：材料热处理学报2004年第5期
论文作者：Patama Visittipitukul Hideyuki Kuwahara Tatsuhiko Aizawa
关键词：Plasma nitriding; Aluminum alloys; Aluminum nitride; Precipitaet accommodation; Al2Cu;
摘 要：Reliable surface treatment has been explored to improve the strength and wear resistance of aluminum alloy parts in automotives. Long duration time as well as long pre-sputtering time are required for plasma nitriding of aluminum or its alloys only with the thickness of a few micrometers. New plasma inner nitriding is proposed to realize the fast-rate nitriding of aluminum alloys. Al-6Cu alloy is employed as a targeting material in order to demonstrate the effectiveness of this plasma nitriding. Mechanism of fast-rate nitriding process is discussed with consideration of the role of Al2Cu precipitates.
Patama Visittipitukul1，Hideyuki Kuwahara2，Tatsuhiko Aizawa3
(1.Department of Metallurgical Engineering, Chulalongkorn University, Bangkok, Thailand;
2.Research Institute for Applied Sciences, Kyoto, Japan;
3.Center for Collaborate Research, University of Tokyo, Japan)
摘要:Reliable surface treatment has been explored to improve the strength and wear resistance of aluminum alloy parts in automotives. Long duration time as well as long pre-sputtering time are required for plasma nitriding of aluminum or its alloys only with the thickness of a few micrometers. New plasma inner nitriding is proposed to realize the fast-rate nitriding of aluminum alloys. Al-6Cu alloy is employed as a targeting material in order to demonstrate the effectiveness of this plasma nitriding. Mechanism of fast-rate nitriding process is discussed with consideration of the role of Al2Cu precipitates.
关键词:Plasma nitriding; Aluminum alloys; Aluminum nitride; Precipitaet accommodation; Al2Cu;
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