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材料研究学报  2013, Vol. 27 Issue (2): 207-211    
  研究报告 本期目录 | 过刊浏览 |
工艺因素对AZ31镁合金板材室温成形性能的影响*
郭睿 胡水平
(北京科技大学 冶金工程研究院 北京 100083)
Effects of Technical Factors on Formability of AZ31 Magnesium Alloys
GUO Rui HU Shuiping**
(Metallurgic Engineering Research Institute of University of Science & Technology Beijing, BeiJing, 100083)
引用本文:

郭睿 胡水平. 工艺因素对AZ31镁合金板材室温成形性能的影响*[J]. 材料研究学报, 2013, 27(2): 207-211.
. Effects of Technical Factors on Formability of AZ31 Magnesium Alloys[J]. Chinese Journal of Materials Research, 2013, 27(2): 207-211.

全文: PDF(3033 KB)  
摘要: 通过不同的加工工艺制备具有不同晶粒尺寸和织构的AZ31镁合金板材, 通过室温埃里克森试验研究了工艺因素对提高镁合金板材室温成形性能的影响。结果表明: 增大晶粒尺寸, 减弱基面织构, 可以改善镁合金轧板在变形过程中产生的在轧制方向的硬取向, 增大镁合金轧板的延伸率, 从而提高镁合金室温成形性能; 用异步轧制工艺(轧制和退火温度为400 ℃、异速比为1.5)制备的试样晶粒尺寸增大到20 μm、(0002)极图最大极密度仅为2, 室温杯突实验测得IE值达到了5.71, 显著提高了材料室温成形性能。
关键词 金属材料镁合金织构晶粒尺寸埃里克森试验室温成形性能    
Abstract: In this paper, the AZ31 magnesium alloy sheets which have distinct textures and different grain sizes were prepared through different rolling processes, the effects of technological parameters on formability of the magnesium alloy were studied through erichsen test at room temperature. The result show that the strain hardening in the rolling direction of the magnesium sheets which produced in the deformation process can be improvement by increasing the grain size and reducing the basal texture, meanwhile, the elongation and room temperature formability of the magnesium alloy sheets are also improved. The grain size of the magnesium alloy which was prepared by cross shear rolling (the rolling and annealing temperature is 400 ℃, the different rolling speed ratio is 1.5) increases to 20 μm, while the maximum of the (0002) pole figure is only 2, the IE value which is obtained by erichsen experiment is 5.71, the room temperature formability of the magnesium alloy increase significantly.
Key wordsmetallic materials    magnesium alloy    texture    grain size    erichsen test    formability in room temperature
    
ZTFLH:  TG146  
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