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热挤压及热处理对等通道挤压法制备纳米级金属组织和性能的影响
Influence of Hot ECAP and Heat Treatment on Microstructure and Properties of Nano-Metals
【摘要】 等通道挤压(EqualChannelAngularPressing)是制备纳米级金属结构材料的有效方法,热挤压过程中,可能发生动态回复和动态再结晶。针对以上情况,总结了挤压变形温度及挤压后热处理对组织和性能的影响,并对其发展趋势做了进一步的展望。
【Abstract】 Equal channel angular pressing (ECAP) is an effective way to manufacture nano-metals.Dynamic recovery and dynamic recrystallization may occur during the hot ECAP.The effects of hot pressing temperature and subsequent heat treatment on microstructure and properties were investigated.At the same time,the development trend of the technology was also put forward.
【关键词】 等通道挤压;
挤压温度;
热处理;
纳米级金属结构材料;
【Key words】 equal channel angular pressing(ECAP); pressing temperature; heat treatment; nano-metals;
【Key words】 equal channel angular pressing(ECAP); pressing temperature; heat treatment; nano-metals;
【基金】 国家高技术研究发展计划 863计划(2002AA302501)
- 【文献出处】 金属热处理 ,Heat Treatment of Metals , 编辑部邮箱 ,2005年03期
- 【分类号】TG386;TG156
- 【被引频次】2
- 【下载频次】200