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材料工程  2016, Vol. 44 Issue (9): 76-81    DOI: 10.11868/j.issn.1001-4381.2016.09.012
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
中间退火对汽车用5182铝合金板组织和性能的影响
王宇1,2, 曹零勇1,2,3, 李俊鹏1,2, 张华1, 郭富安1,2
1 山东南山铝业股份有限公司 国家铝合金压力加工工程技术研究中心, 山东 龙口 265713;
2 北京南山航空材料研究院, 北京 100048;
3 中南大学 材料科学与工程学院, 长沙 410083
Effect of Intermediate Annealing on Microstructure and Property of 5182 Aluminum Alloy Sheet for Automobile
WANG Yu1,2, CAO Ling-yong1,2,3, LI Jun-peng1,2, ZHANG Hua1, GUO Fu-an1,2
1 National Engineering Research Center for Plastic Working of Aluminum Alloys, Shandong Nanshan Aluminum Co., Ltd., Longkou 265713, Shandong, China;
2 Beijing Nanshan Institute of Aeronautical Materials, Beijing 100048, China;
3 School of Materials Science and Engineering, Central South University, Changsha 410083, China
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摘要 采用光学显微镜、扫描电子显微镜、万能力学试验机等测试分析手段,研究中间退火对5182铝合金完全退火态(5182-O)板材组织和性能的影响。结果表明:与未经中间退火的5182-O板材相比,中间退火后的5182-O板材晶粒尺寸过于细小,金属间化合物破碎不充分、尺寸大,弥散析出相数量少;屈服强度、抗拉强度、加工硬化指数和塑性应变比厚向各向异性降低,塑性应变比平面各向异性增大;板材的组织、力学性能和成形性能未获得有效改善和提高。
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李俊鹏
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郭富安
关键词 中间退火铝合金显微组织力学性能成形性能    
Abstract:Effect of intermediate annealing on the microstructure and properties of 5182 aluminum alloy sheet with full annealed state (5182-O) was investigated by means of optical microscope, scanning electron microscope and universal testing machine. The results indicate that compared with 5182-O sheet without intermediate annealing, 5182-O sheet with intermediate annealing possesses too fine grain size, intermetallic compounds not broken enough, larger size intermetallic particles, less dispersed phase. Yield strength and ultimate tensile strength, work hardening exponent and normal anisotropy of plastic strain ratio decrease but planner anisotropy of plastic strain ratio increases. The mechanical properties and forming ability of 5182-O aluminum alloy sheet and its microstructure are not improved significantly after intermediate annealing.
Key wordsintermediate annealing    aluminium alloy    microstructure    mechanical property    forming ability
收稿日期: 2014-12-01      出版日期: 2016-09-27
中图分类号:  TG146.2+1  
通讯作者: 曹零勇(1984-),男,博士,从事汽车用高性能铝合金板材研究,联系地址:北京市海淀区车公庄西路19号外文文化创意园8号楼三层(100048),E-mail:lingyongcao@163.com     E-mail: lingyongcao@163.com
引用本文:   
王宇, 曹零勇, 李俊鹏, 张华, 郭富安. 中间退火对汽车用5182铝合金板组织和性能的影响[J]. 材料工程, 2016, 44(9): 76-81.
WANG Yu, CAO Ling-yong, LI Jun-peng, ZHANG Hua, GUO Fu-an. Effect of Intermediate Annealing on Microstructure and Property of 5182 Aluminum Alloy Sheet for Automobile. Journal of Materials Engineering, 2016, 44(9): 76-81.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2016.09.012      或      http://jme.biam.ac.cn/CN/Y2016/V44/I9/76
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