Low temperature superplasticity of hydrostatically extruded Mg-Al-Zn alloys

机译：静挤压Mg-Al-Zn合金的低温超塑性

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In this work, the superplastic behavior of AZ31, AZ61 and AZ80 magnesium alloys was investigated. The alloys were hydrostatically extruded at only 150 ℃ to get fine grained microstructures (＜10 μm). Tension tests were carried out at 175, 200 and 225 ℃ and 10~(-2), 10~(-3) and 10~(-4) s~(-1). It was found that all alloys exhibited superplasticity at 200 ℃, 175 ℃ and 225 ℃ for AZ31, AZ61 and AZ80 alloys, respectively. Low temperature dynamic recrystallization played an important role for generating a finer and homogeneous microstructure during testing which enhances the deformation behavior of the alloys at these temperatures.

机译：在这项工作中，研究了AZ31，AZ61和AZ80镁合金的超塑性行为。合金仅在150℃下进行静水挤压，以获得细晶粒的组织（＜10μm）。分别在175、200和225℃，10〜（-2），10〜（-3）和10〜（-4）s〜（-1）下进行张力测试。结果发现，对于AZ31，AZ61和AZ80合金，所有合金均分别在200℃，175℃和225℃表现出超塑性。低温动态再结晶对于在测试过程中产生更精细且均匀的微观结构起着重要作用，这在这些温度下增强了合金的变形行为。

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来源
《Superplasticity in advanced materials》|2012年|307-315|共9页
会议地点 Albi(FR)
作者
Jose Victoria-Hernandez; David Hemandez-Silva; Jan Bohlen; Sangbong Yi; Dietmar Letzig;
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作者单位

Magnesium Innovation Centre MagIC, Helmholtz-Zentrum Geesthacht, Max-Planck-Strasse 1, D.21502 Geesthacht, Germany;

Department of Metallurgical Engineering, Instituto Politecnico Nacional-ESIQIE, Apdo. Postal 118-392, 07738 Mexico City, Mexico;

Magnesium Innovation Centre MagIC, Helmholtz-Zentrum Geesthacht, Max-Planck-Strasse 1, D.21502 Geesthacht, Germany;

Magnesium Innovation Centre MagIC, Helmholtz-Zentrum Geesthacht, Max-Planck-Strasse 1, D.21502 Geesthacht, Germany;

Magnesium Innovation Centre MagIC, Helmholtz-Zentrum Geesthacht, Max-Planck-Strasse 1, D.21502 Geesthacht, Germany;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Hydrostatic extrusion; wrought magnesium alloys; dynamic recrystallization; deformation mechanisms; superplasticity;

机译：静液压挤出；锻造镁合金；动态重结晶；变形机制；超塑性;

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2. 往复挤压ZK60合金的低温准超塑性（英文） [J] . 杨文朋, 郭学锋, 杨凯军中国有色金属学报：英文版 . 2012,第002期
3. 新型强塑性变形—静液循环挤压压缩加工AZ91镁合金及其表征 [J] . Armin SIAHSARANI, Ghader FARAJI 中国有色金属学报（英文版） . 2021,第005期
4. Low temperature superplasticity of hydrostatically extruded Mg-AI-Zn alloys [J] . Jose Victoria-Hernandez, David Hemandez-Silva, Jan Bohlen, Materials science forum . 2013,第期

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7. Low Temperature Superplasticity of Hydrostatically Extruded Mg-Al-Zn Alloys [C] . Jose Victoria-Hernandez, David Hernandez-Silva, Jan Bohlen, ICSAM 2012 . 2013

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8. Mechanical behavior of high temperature interconnects and the superplasticity of high lead- content alloys. [D] . Schoeller, Harry. 2011

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10. Hot extrudability of Mg-Al-Zn based alloy cutting chips and surface properties of extrusions [O] . Hisashi SATO, Tetsuo AIDA, Norio TAKATSUJI, 2004

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11. Deformation of Extruded Titanium Alloys Under Superplastic Conditions [R] . Dunford, D. V., Partridge, P. G. 1988

机译：超塑性条件下挤压钛合金的变形

Low temperature superplasticity of hydrostatically extruded Mg-Al-Zn alloys

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