Transactions of Materials and Heat Treatment

Title：Research on drawing forming process parameters of AZ31B magnesium alloy square-box parts

Authors： Guan Yingping Yang Liu Duan Yongchuan

Unit： Key Laboratory of Advanced Forging ＆ Stamping Technology and Science (Yanshan University)

KeyWords： AZ31B magnesium alloy square-box parts deep drawing forming orthogonal test

ClassificationCode：TG386

year,vol(issue):pagenumber：2014,39(6):45-49

Abstract：

Through deep drawing test of AZ31B magnesium alloy square-box parts, the effects of deep drawing process under single process parameter changes were analyzed. The forming depth value rises with the temperature increasing when the die temperature is among the range of 150-300 ℃ and other factors were unchanged, and the maximum value of forming depth is achieved at 300 ℃.The differential temperature drawing effects are obvious when the punch temperature is kept about 120 ℃.The maximum value of forming depth is achieved when the blank-holder gap is 1.3t (t is the depth of sheet)or under the drawing speed of 30 mm·min-1. The determined sequence of process parameters which influences the drawing depth are as follows: blank-holder gap, punch temperature, die temperature and deep drawing speed. Orthogonal test method was used to optimize the processing parameters, and the result shows that the forming depth of AZ31B magnesium alloy square-box parts can be improved by using the optimized combination of processing parameters.

Funds：

河北省科技支撑计划资助项目（11212104D）

Reference：

［1］张凯峰, 尹德良, 吴德忠, 等.AZ31镁合金板的热拉深性能[J]. 中国有色金属学报, 2003, 13(6): 1504-1508.Zhang Kaifeng, Yin Deliang, Wu Dezhong, et al. Deep drawability of AZ31 magnesium alloy sheets at elevated temperatures[J]. The Chonese Journal of Nonferrous Metals, 2003, 13(6): 1504-1508.
［2］Ogawa N, Shiomi M, Osakada K. Forming limit of magnesium alloy at elevated temperatures for precision forging[J].International Journal of Machine Tool & Manufacture,2002,(42):607-614.
［3］喻祖建,李建辉,杨成林,等.镁合金薄板冲压成形技术研究进展[J].热加工工艺,2012,41(9):116-119.Yu Zujian, Li Jianhui, Yang Chenglin, et al.Research progress on stamping technologies of magnesium alloy sheet[J].Hot Working Technology, 2012, 41(9): 116-119.
［4］Mordike B L, Ebert T. Magnesium properties applications potential[J]. Materials Science and Engineering A, 2001, 302(1): 37-45.
［5］赵辉,彭晓东,王艳光,等.变形镁合金的塑性改善研究现状[J].稀有金属，2012,36(1)：161-166.Zhao Hui, Peng Xiaodong, Wang Yanguang, et al.Research status about plasticity improvement of wrought magnesium alloys[J].Chinese Journal of Rare Metals, 2012,36(1)：161-166.
［6］杨东峰,赵长财,郝海滨. AZ31B镁合金薄板的单向拉伸行为试验研究[J].锻压技术,2012,37 (4):140-143.Yang Dongfeng, Zhao Changcai, Hao Haibin.Experimental research on uniaxial tensile behavior of AZ31B magnesium alloy thin sheet[J].Forging & Stamping Technology, 2012,37 (4):140-143.
［7］张坤,王忠堂,张士宏,等.镁合金AZ31B板材热拉深成形工艺研究[J].轻合金加工技术,2003,31(10):14-17.Zhang Kun,Wang Zhongtang,Zhang Shihong, et al.Research on magnesium alloy (AZ31B) sheets with thermal deep-drawing process[J]. Light Alloy Fabrication Technology, 2003,31(10):14-17.
［8］陈振华,程永奇,夏伟军,等.AZ31镁合金薄板热拉深工艺研究[J].湖南大学学报:自然科学版,2005,32(1)：83-86.Chen Zhenhua,Cheng Yongqi,Xia Weijun, et al. Hot drawing process for the sheet of AZ31 magnesium alloy[J]. Journal of Hunan University:Natural Sciences, 2005,32(1)：83-86.
［9］Semiation S L, Jonas J J. Formability and Workability of Metals-Plastic instability and flow localization[M]. Ohio: American Society for Metal, 1984.
［10］张士宏,宋广胜,宋鸿武,等.镁合金板材温热变形机理及温热成形技术[J].机械工程学报,2012,48(18):28-43.Zhang Shihong,Song Guangsheng,Song Hongwu, et al. Deformation mechanism and warm forming technology for magnesium alloys sheets[J]. Journal of Mechanical Engineering,2012,48(18):28-43.
［11］董如何, 肖必华, 方永水.正交实验设计的理论分析方法及应用[J].安徽建筑工业学院学报:自然科学版, 2004, 12(6):13-75.Dong Ruhe,Xiao Bihua,Fang Yongfang. The theoretical analysis of orthogonal test designs[J].Journal of Anhui Institute of Architecture & Industry:Natural Sciences, 2004, 12(6):13-75.
［12］王淑新.拼焊板方盒形件拉深成形实验研究[D].秦皇岛:燕山大学,2010.Wang Shuxin.Experiment Research on Drawing Forming of Tailor Welded Blank Square-box[D].Qinhuangdao: Yanshan University, 2010.

Service：

【This site has not yet opened Download Service】【Add Favorite】