2060T8铝锂合金槽形件的电辅助增量成形

摘要/Abstract

摘要：

设计并搭建了电辅助增量成形试验平台，通过2060T8铝锂合金槽形试样的电辅助单点增量成形试验研究了脉冲电流对成形试样的轮廓精度和壁云厚分布等成形效果的影响规律.结果表明：在电辅助增量成形过程中，因脉冲电流而产生的电致塑性效应，会促使材料变形的局部化，从而提高了板料的成形能力；在所用试验条件下，随着电流密度增加，试样的轮廓度误差以及成形区域的减薄率先减小而后增加；当电流密度为9.5A/mm2时，试样的成形效果最佳.

关键词: , 铝锂合金, 电辅助增量成形, 电致塑性效应

闫慧，赵亦希，于忠奇，杜引. 2060T8铝锂合金槽形件的电辅助增量成形[J]. 上海交通大学学报（自然版）, 2017, 51(5): 513-.

参考文献

［1］潘肃. 铝锂合金的发展及其工艺特性［J］. 航天工艺, 1994(5): 4042.
PAN Su. Development and process characteristics of AlLi alloy［J］. Aerospace Technology, 1994(5): 4042.
［2］XUN Y W, ZHUN Y Y, MAO W F, et al. Superplastic forming technology of aircraft structures for AlLi alloy and highstrength Al alloy ［J］. Journal Materials Processing Technology, 1997, 72(2): 183187.
［3］NADER E A, POURBOGHRAT F, JOHN E C. Forming of AA5182O and AA5754O at elevated temperatures using coupled thermomechanical finite element models［J］. International Journal of Plasticity, 2007, 23(5): 41875.
［4］ZENG X H, ERICSSON T. Anisotropy of elastic properties in various aluminiumlithium sheet alloys［J］. Acta Materialia, 1996, 44(5): 18011812.
［5］WANG M, ZHAN L H, YANG Y L, et al. Effect of predeformation on aging creep of AlLiS4 alloy and its constitutive modeling ［J］. Transactions of Nonferrous Metals Society of China, 2015, 25(5): 13831390.
［6］王皓军，史春玲，贾志强，等. 铝锂合金的发展及研究现状［J］. 材料热处理技术， 2012, 1(14): 8285.
WANG Haojun, SHI Chunling, JIA Zhiqiang, et al. Development and current status of aluminumlithium alloy［J］. Material & Heat Treatment, 2012, 41(14): 8285.
［7］唐国翌. 电致塑性加工与处理技术的研究进展［J］. 湖北汽车工业学院学报, 2011, 25(1): 14.
［8］霭振球, 闫磊, 董湘怀. AZ31 镁合金与 DP980 高强钢的纯电塑性效应实验研究［J］. 热加工工艺, 2015, 44(4): 3136.
AI Zhenqiu, YAN Lei, DONG Xianghuai. Study on pure electroplastic effect of AZ31 alloy and DP980 AHSS［J］. Hot Working Technology, 2015, 44(4): 3136.
［9］SONG P C, LI X F, DING W. Electroplastic tensile behavior of 5A90 AlLi alloys［J］. Acta Metallurgica Sinica (English Letters), 2014, 27(4): 642648.
［10］TANG G Y, ZHENG M X, ZHU Y H, et al. The application of the electroplastic technique in the colddrawing of steel wires［J］. Journal of Materials Processing Technology, 1998, 84(1): 268270.
［11］YAN F Y, HUANG W, YANG Q Y, et al. Research on electrostimulated rolling of AZ91D magnesium alloy plate［J］. Forging & Stamping Technology, 2010, 35(2): 3943.
［12］官磊. 电致塑性轧制AZ31镁合金的变形机制及其组织和性能研究［D］. 北京: 清华大学材料科学与工程学院, 2010.
［13］麦建明. 奥氏体不锈钢电辅助压印成形工艺建模与实验研究［D］. 上海: 上海交通大学机械与动力工程学院，2014.
［14］杜引. 铝锂合金薄板电辅助增量成形仿真与实验研究［D］.

[1]	王聚团, 戚晓宁, 黄志明. 水下生产管汇测试技术及其改进研究[J]. 海洋工程装备与技术, 2022, 9(2): 43-49.
[2]	袁振钦, 邹科, 孙亚峰, 刘刚, 屈衍, 李居跃. 基于时域分析法的动态电缆疲劳分析[J]. 海洋工程装备与技术, 2022, 9(2): 50-55.
[3]	王娟, 杨明旺, 郑茂尧, 刘凌云, 赵立君. 高强钢在大型半潜式平台组块建造中的应用[J]. 海洋工程装备与技术, 2022, 9(1): 27-31.
[4]	陈欣, 赵晓磊, 王立坤, 肖德明, 张腾月. 深水大型吸力锚建造技术研究[J]. 海洋工程装备与技术, 2022, 9(1): 32-36.
[5]	尹彦坤, 易涤非. 半潜式生产平台船体结构关键节点工程临界评估[J]. 海洋工程装备与技术, 2022, 9(1): 52-57.
[6]	ZHANG Shengfa (张胜发), TANG Na (唐纳), SHEN Guofeng (沈国峰), WANG Han (王悍), QIAO Shan (乔杉). Universal Software Architecture of Magnetic Resonance-Guided Focused Ultrasound Surgery System and Experimental Study[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(4): 471-481.
[7]	MA Qunsheng (马群圣), CEN Xingxing (岑星星), YUAN Junyi (袁骏毅), HOU Xumin (侯旭敏). Word Embedding Bootstrapped Deep Active Learning Method to Information Extraction on Chinese Electronic Medical Record[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(4): 494-502.
[8]	KONG Xiangqiang (孔祥强), MENG Xiangxi (孟祥熙), LI Jianbo (李见波), SHANG Yanping (尚燕平), CUI Fulin (崔福林) . Comparative Study on Two-Stage Absorption Refrigeration Systems with Different Working Pairs[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(2): 155-162.
[9]	ZHUANG Weimin (庄蔚敏), WANG Pengyue (王鹏跃), AO Wenhong (熬文宏), CHEN Gang (陈刚) . Experiment and Simulation of Impact Response of Woven CFRP Laminates with Different Stacking Angles[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(2): 218-230.
[10]	安庆升, 孙立东, 武秋生. 碳纤维增强复合材料发射筒设计研究[J]. 空天防御, 2021, 4(2): 13-.
[11]	ZHOU Xuhui (周旭辉), ZHANG Wenguang (张文光), XIE Jie (谢颉). Effects of Micro-Milling and Laser Engraving on Processing Quality and Implantation Mechanics of PEG-Dexamethasone Coated Neural Probe[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(1): 1-9.
[12]	HUANG Ningning (黄宁宁), MA Yixin (马艺馨), ZHANG Mingzhu (张明珠), GE Hao (葛浩), WU Huawei (吴华伟). Finite Element Modeling of Human Thorax Based on MRI Images for EIT Image Reconstruction[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(1): 33-39.
[13]	WANG Xianjin, GAO Xu, YU Kuigang . Fixture Locating Modelling and Optimization Research of Aluminum Alloy Sidewall in a High-Speed Train Body[J]. J Shanghai Jiaotong Univ Sci, 2020, 25(6): 706-713.
[14]	QIAO Xing, MA Dan, YAO Xuliang, FENG Baolin. Stability and Numerical Analysis of a Standby System[J]. J Shanghai Jiaotong Univ Sci, 2020, 25(6): 769-778.
[15]	WU Jin, MIN Yu, YANG Xiaodie, MA Simin . Micro-Expression Recognition Algorithm Based on Information Entropy Feature[J]. Journal of Shanghai Jiao Tong University(Science), 2020, 25(5): 589-599.