轻合金成形领域科学技术发展研究  

Research on the Development of Advanced Forming for Lightweight Alloy Materials Area

作　　者：杨合[1] 李落星[2] 王渠东[3] 郭良刚[1] 

机构地区：[1]西北工业大学材料学院,西安710072 [2]湖南大学汽车车身先进设计与制造重点实验室,长沙410082 [3]上海交通大学材料科学与工程学院,上海200240

出　　处：《机械工程学报》2010年第12期31-42,共12页Journal of Mechanical Engineering

基　　金：国家重点基础研究发展计划(973计划;2010CB731701);国家自然科学基金重点(50935007)资助项目

摘　　要：铝、镁、钛等轻金属材料,由于具有比强度与比刚度高等特性,在汽车、轨道交通和航空航天等制造领域显示出越来越广泛的应用前景。研究与发展轻合金材料先进成形技术,对实现轻量化零构件高质量、低成本、短周期制造,缓解由于交通运输带来的能源、环保压力以及节能减排具有重大的意义。轻合金成形技术与科学,已经成为我国国民经济、国防建设与科学技术发展的关键学科领域之一,而轻合金高性能精确成形制造是既有挑战性又充满机遇的研究与发展前沿领域。评述轻合金成形技术领域国内外研究现状、存在问题与发展趋势,分析并提出该领域的研究前沿,给出我国轻合金凝固成形、塑性成形、建模仿真与优化的重点发展方向的展望与建议。Lightweight materials such as aluminum,magnesium and titanium alloys are used more and more widely in industry fields including automobile,transportation,aviation and aerospace because of high specific strength,high specific stiffness,etc.RD of the advanced forming technologies of lightweight alloys are of great significance in manufacturing lightweight components with high quality,low cost and short cycle,releasing the stress of energy and environment protection due to traffic and transport,and saving energy and reducing emission of tail gas.The forming technology and science of lightweight alloys has become one of the key disciplinary fields of our national economy development,defense construction,and development of science and technology.Lightweight alloy precision forming with high performance is the RD frontier with both opportunity and challenge.This paper reviews the domestic and overseas research status,existing problems and development tendency of lightweight alloy forming technologies,analyzes and proposes the research frontier of the field,and finally gives the prospects of and suggestions on key development directions of lightweight alloy solidification forming,plastic forming,modeling simulation and optimization.

关 键 词：轻合金 高性能 精确成形 多场耦合 多尺度 全过程建模仿真与优化 

分 类 号：TG146.2[一般工业技术—材料科学与工程] TG113[金属学及工艺—金属材料]