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材料导报  2020, Vol. 34 Issue (Z1): 322-324    
  金属与金属基复合材料 |
热轧工艺对Al-Cu-Mg合金组织及性能的影响
黄同瑊1,2, 晁代义1,2, 宋晓霖1, 张伟1, 王志雄1, 张华1, 吕正风1,2
1 山东南山铝业股份有限公司,龙口 265713;
2 国家铝合金压力加工工程技术研究中心,龙口 265713
Effect of Hot Rolling Process on Microstructure and Properties of Al-Cu-Mg Alloy
HUANG Tongjian1,2, CHAO Daiyi1,2, SONG Xiaolin1, ZHANG Wei1, WANG Zhixiong1, ZHANG Hua1, LYU Zhengfeng1,2
1 Shandong Nanshan Aluminum Co., Ltd., Longkou 265713, China;
2 National Engineering Research Center for Plastic Working of Aluminium Alloys, Longkou 265713, China
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摘要 本工作探讨了几种热轧工艺参数对合金晶粒组织、超声波探伤噪音及力学性能的影响。研究结果表明:热轧道次及终轧温度对合金的晶粒组织、超声波探伤噪音都有一定的影响。经15道次热轧处理,终轧温度越高,合金的晶粒尺寸分布越不均匀,力学性能偏低,超声波探伤噪音严重。经35道次热轧处理,终轧温度较低时合金可获得细小均匀的晶粒,力学性能较优,提高终轧温度后晶粒不均匀长大,合金力学性能变差且出现超声波探伤噪音问题。由此可知,大尺寸铸锭经多道次热轧(终轧温度为300 ℃)后,经固溶淬火、2.5%预拉伸、自然时效96 h处理后,晶粒尺寸变得细小均匀,获得较高的力学性能,并且未出现超声波探伤噪音问题。
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黄同瑊
晁代义
宋晓霖
张伟
王志雄
张华
吕正风
关键词:  热轧工艺  超声波探伤噪音  晶粒组织  力学性能    
Abstract: In this paper, the effects of several hot rolling parameters on grain microstructure, ultrasonic inspection noise and tensile properties of the alloy were discussed. The results showed that the hot rolling passes and final rolling temperature had certain effects on the grain structure and ultrasonic inspection noise of the alloy. After 15 hot rolling passes, the higher final rolling temperature, the more uneven of the grain size distribution, the lower the mechanical properties, and the worse ultrasonic inspection noise. After 35 hot rolling passes, the fine and uniform grain size and the higher the mechanical property were obtained by low final rolling temperature. The uneven growth of grain size, the decrease of mechanical pro-perties and the problem of ultrasonic inspection noise were found after increasing the final rolling temperature. Accordingly that after multiple hot rolling (the final rolling temperature was 300 ℃), after solid solution quenching, 2.5% prestretching and natural aging for 96 h, the grain size becomes fine and uniform, and the mechanical properties was higher, and there was no ultrasonic flaw detection noise problem.
Key words:  hot rolling process    ultrasonic inspection noise    grain organization    tensile properties
                    发布日期:  2020-07-01
ZTFLH:  TG142.71  
作者简介:  黄同瑊, 2005年毕业于兰州理工大学金属材料专业,学士学位,工程师。主要从事航空铝合金的轧制变形工艺的研发;晁代义,2013年6月毕业于烟台大学,获得工学硕士学位。2013年9月到2017年3月于哈尔滨工业大学材料科学与工程学院攻读博士学位。主要从事不锈钢及高强铝合金热处理及变形工艺研究以及金属材料失效分析。目前担任中国机械工程协会失效分析分会失效分析专家。
引用本文:    
黄同瑊, 晁代义, 宋晓霖, 张伟, 王志雄, 张华, 吕正风. 热轧工艺对Al-Cu-Mg合金组织及性能的影响[J]. 材料导报, 2020, 34(Z1): 322-324.
HUANG Tongjian, CHAO Daiyi, SONG Xiaolin, ZHANG Wei, WANG Zhixiong, ZHANG Hua, LYU Zhengfeng. Effect of Hot Rolling Process on Microstructure and Properties of Al-Cu-Mg Alloy. Materials Reports, 2020, 34(Z1): 322-324.
链接本文:  
http://www.mater-rep.com/CN/  或          http://www.mater-rep.com/CN/Y2020/V34/IZ1/322
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