Fatigue properties of the hot extruded magnesium alloy AZ31

Michael Huppmann; Martin Lentz; Katrin Broemmelhoff; Walter Reimers

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Fatigue properties of the hot extruded magnesium alloy AZ31

机译：热挤压镁合金AZ31的疲劳性能

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摘要

The fatigue properties of differently extruded magnesium alloy AZ31 and hence different microstructures were investigated during total strain and stress-controlled fatigue tests with different applied strain and stress amplitudes, respectively. Extruded magnesium profiles exhibit a significant asymmetry in the quasi-static mechanical properties under tension and compression, due to the low activation energy for the {101 2}{1011) extension twinning. The asymmetry of the tension-compression yield strength leads to a sigmoidal shape of the hysteresis loops under cyclic loading conditions which is reduced if the tension-compression asymmetry is reduced. Moreover the evolution of stress and strain amplitudes, the plastic strain amplitudes and the mean stress and strain were analyzed. The Manson-Coffin and the Basquin approaches were used to describe the lifetime of the differently extruded products.

机译：在总应变和应力控制的疲劳试验中，分别研究了挤压不同的镁合金AZ31的疲劳特性以及因此而产生的不同的微观组织，分别进行了不同的施加应变和应力振幅测试。由于{101 2} {1011）延伸孪晶的活化能低，因此在拉伸和压缩条件下，挤压镁型材在准静态机械性能中表现出明显的不对称性。拉伸压缩屈服强度的不对称导致在周期性载荷条件下磁滞回线呈S形，如果减小了拉伸压缩不对称，则磁滞回线会减小。此外，分析了应力和应变幅度的演变，塑性应变幅度以及平均应力和应变。 Manson-Coffin和Basquin方法用于描述不同挤压产品的寿命。

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来源
《Materials Science and Engineering》 |2010年第22期|P.5514-5521|共8页
作者
Michael Huppmann; Martin Lentz; Katrin Broemmelhoff; Walter Reimers;
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作者单位

Technische Universitaet Berlin, Department Material Science and Technologies, Metallic Materials, Berlin, Germany;

Technische Universitaet Berlin, Department Material Science and Technologies, Metallic Materials, Berlin, Germany;

Technische Universitaet Berlin, Department Material Science and Technologies, Metallic Materials, Berlin, Germany;

Technische Universitaet Berlin, Department Material Science and Technologies, Metallic Materials, Berlin, Germany;

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正文语种 eng
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关键词
magnesium; fatigue; cyclic deformation behavior; twinning; manson-coffin;

机译：镁;疲劳;周期性变形行为孪生曼森棺材;

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1. Low cycle fatigue properties and an energy-based approach for as-extruded AZ31 magnesium alloy [J] . S. H. Kwon, K. S. Song, K. S. Shin, Metals and Materials International . 2011,第2期

机译：AZ31镁合金的低循环疲劳性能和基于能量的方法
2. Low Cycle Fatigue Properties and an Energy-Based Approach for as-Extruded AZ31 Magnesium Alloy [J] . S. H. Kwon, K. S. Song, K. S. Shin Metals and Materials International . 2011,第2期

机译：AZ31镁合金的低循环疲劳性能和基于能量的方法
3. Low cycle fatigue properties and cyclic deformation behavior of as-extruded AZ31 magnesium alloy [J] . S.KWON, K.SONG, K.S.SHIN, 中国有色金属学报（英文版） . 2010,第00z期

机译：挤压态AZ31镁合金的低周疲劳性能和循环变形行为
4. Measurement of Corrosion Properties of Hot-Extruded AZ31 Magnesium Alloys [C] . Xu Hongyan, Wang qiang, Zhang Zhimin 第八届国际测试技术研讨会（8th International Symposium on Test and Measurement）论文集 . 2009

机译：热挤压AZ31镁合金腐蚀性能的测量
5. Mechanical responses, texture evolution, and yield loci of extruded AZ31 magnesium alloy under various loading conditions: Experiment and modeling [D] . Kabirian, Farhoud 2015

机译：各种载荷条件下挤压的AZ31镁合金的力学响应，织构演变和屈服点：实验和建模
6. Comprehensive Modelling of the Hysteresis Loops and Strain–Energy Density for Low-Cycle Fatigue-Life Predictions of the AZ31 Magnesium Alloy [O] . Jernej Klemenc, Domen Šeruga, Aleš Nagode, 2019

机译：AZ31镁合金低循环疲劳寿命预测的磁滞回线和应变能密度的综合建模
7. Low-Cycle Fatigue Properties of Extruded AZ31 Magnesium Alloy [O] . Kazuaki SHIOZAWA, Tomohiro KAMINASHI, Jun KITAJIMA, 2011

机译：挤出AZ31镁合金的低循环疲劳性能

Fatigue properties of the hot extruded magnesium alloy AZ31

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