[1]曹富荣,温景林.金属连续铸挤技术研究进展与发展趋势[J].中国材料进展,2013,(5):061-70.[doi:10.7502/j.issn.1674-3962.2013.05.05]
 CAO Furong,WEN Jinglin*.Progress and Development Trend on the Study of Metallic Castex Technique[J].MATERIALS CHINA,2013,(5):061-70.[doi:10.7502/j.issn.1674-3962.2013.05.05]
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金属连续铸挤技术研究进展与发展趋势()
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中国材料进展[ISSN:1674-3962/CN:61-1473/TG]

卷:
期数:
2013年第5期
页码:
061-70
栏目:
特约研究论文
出版日期:
2013-05-31

文章信息/Info

Title:
Progress and Development Trend on the Study of Metallic Castex Technique
作者:
曹富荣 温景林
(东北大学材料与冶金学院,沈阳110819)
Author(s):
CAO Furong WEN Jinglin*
(College of Materials and Metallurgy, Northeastern University, Shenyang 110819, PR China)
关键词:
连续铸挤工作原理设备结构工艺
DOI:
10.7502/j.issn.1674-3962.2013.05.05
摘要:
金属连续铸挤技术(CASTEX)是金属连续挤压技术(CONFORM)的进一步发展。本文较详细地介绍了国内外金属连续铸挤技术的发展历史、现状、发展趋势以及应用状况。介绍了金属连续铸挤原理及铸挤力能参数的计算公式,并指出连续铸挤过程所形成的金属动态结晶-半固态加工-挤压塑性变形三个阶段及内、外摩擦转换机制,使金属由铸态组织逐渐变为细小的变形组织;简述了连续铸挤机的结构及各部件的作用,并列出了国内外部分铸挤机设备的型号与参数,分析了连续铸挤过程铸挤温度、运转间隙、设备转数及冷却条件等工艺参数对实现连续铸挤工艺控制的影响;讨论了连续铸挤技术同常规挤压比较所具备的特点,实现了铝及其合金,锡及其锡合金的管、棒、型、线材等的连续铸挤加工成形,在工业生产上得到了应用;最后指出了连续铸挤新技术的发展方向。
Abstract:
Continuous casting and extrusion (CASTEX) is a further development of the CONFORM. The developing history, status quo, developing trend and application status of CASTEX technique are introduced in detail throughout the world. The metallic CASTEX principle and the calculation formulae of CASTEX forces established are briefly described. Three stages such as metallic dynamic solidification, semisolid processing and extrusion plastic deformation and the conversion mechanism of internal and external friction to transform as-cast microstructure into fine grain deformation microstructure are pointed out. Technique, the structure of CASTEX machine and the role of various components are described, and the models and technical parameters of part of CASTEX machines at home and abroad are listed. The effect of process parameters such as temperature, gap, rotary speed and cooling condition on the CASTEX process control is analyzed. The characteristics of CASTEX technique as compared with conventional extrusion is introduced. The pipes, bars, profiles and wires of aluminum and its alloys, and tin and its alloys have been made by CASTEX forming and CASTEX technique obtains industrial application; finally, the developing direction of new CASTEX technique is discussed.

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金项目(51034002, 50974038, 50274020)收稿日期:*通信作者:曹富荣,男,1964年生,博士,副教授,Telephone:15998161852 E-mail: cfr-lff@s163.com温景林,男,1939年生,教授,博士生导师, Telephone: 13555856010, E-mail: jlwen1166@sina.com1. 连续铸挤技术的发展历史
更新日期/Last Update: 2013-05-07