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| THE SHAPE DISTORTION IN DRAWING PROCESS WITH TC1Mδ0.8 TITANIUM ALLOY SHEETS | |
| 引用本文： | 张凌云,鲁强,韩志仁,崔建忠. THE SHAPE DISTORTION IN DRAWING PROCESS WITH TC1Mδ0.8 TITANIUM ALLOY SHEETS[J]. 金属学报, 2007, 43(8): 875-878 |
| 作者姓名： | 张凌云 鲁强 韩志仁 崔建忠 |
| 作者单位： | 1. 沈阳航空工业学院航空宇航工程学院,沈阳,110034 2. 沈阳航空工业学院航空宇航工程学院,沈阳,110034;中国科学院金属研究所,沈阳,110016 3. 东北大学材料电磁过程研究教育部重点实验室,沈阳,110004 |
| 摘 要： | 采用有限元数值模拟与成形工艺实验相结合的方法,对0.84 mm厚的TC1M钛合金板材杯形件室温拉深成形及回弹过程进行了研究.结果显示,拉深制件不仅出现凸耳和杯口厚度不均等熟知的现象,还揭示出因钛合金各向异性所引发的杯口内壁非圆化,这类形状畸变对制件的几何精度将产生不利影响.600 ℃温热拉深能有效地抑制卸载回弹,杯口内壁非圆化得以消除,但却无法改变钛板的各向异性性质,凸耳和杯口厚度不均等畸变现象依然存在. |
| 关 键 词： | 钛合金板材 形状畸变 各向异性 拉深成形 钛合金 板材拉深 成形过程 形状 畸变 DRAWING PROCESS DURING TITANIUM ALLOY DISTORTION 存在 性质 钛板 卸载回弹 温热拉深 影响 几何精度 非圆 内壁 现象 不均等 |
| 文章编号： | 0412-1961（2007）08-0875-04 |
| 收稿时间： | 2006-11-09 |
| 修稿时间： | 2006-11-092007-03-19 |
SHAPE DISTORTION OF TC1M TITANIUM ALLOY SHEETS DURING DRAWING PROCESS |
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| ZHANG Lingyun,LU Qiang,HAN Zhiren,CUI Jianzhong. SHAPE DISTORTION OF TC1M TITANIUM ALLOY SHEETS DURING DRAWING PROCESS[J]. Acta Metallurgica Sinica, 2007, 43(8): 875-878 | |
| Authors: | ZHANG Lingyun LU Qiang HAN Zhiren CUI Jianzhong |
| Affiliation: | 1. School of Aerospace Engineering, Shenyang Institute of Aeronautical Engineering, Shenyang 110034; 2. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016; 3. The Key Lab of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110004 |
| Abstract: | Titanium alloy sheets exhibit significant plastic anisotropy that can be attributed principally to the presence of texture. Such plastic anisotropy has pronounced effects on subsequent sheet metal forming and springback processes. In the present paper, cylindrical cup drawing processes with titanium alloy sheets TC1M of 0.8mm thickness were simulated using ADINA FEM software. Three sorts of shape distortions phenomena exhibit in the drawing cups fabricated in room temperature after elastic recovery process: the inner wall is no longer a cylindrical surface, the lip periphery becomes wavy and the thickness distribution becomes unhomogeneous. A series of cup drawing tests were conducted and reasonable agreement was obtained between the predicted and measured profiles. |
| Keywords: | titanium alloy sheet shape distortion anisotropy drawing |
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