Experimental investigation on the mechanical properties and strain rate sensitivity of Mg-Al-Ca-Mn alloy under various strain rates

Zijian Wang; Hanlin Ding; Zhendong Xiao; Chenxi Yang; Chongchen Xiang

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Experimental investigation on the mechanical properties and strain rate sensitivity of Mg-Al-Ca-Mn alloy under various strain rates

机译：不同应变率下Mg-Al-Ca-Mn合金机械性能和应变率灵敏度的实验研究

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An Mg-0.8Al-0.1Ca-0.4Mn (AXM080104, wt%) alloy was developed with extraordinary extrudability. The mechanical properties and strain rate sensitivity of the alloy were evaluated under various strain rates. The as-extruded alloy exhibited a tensile 0.2% proof stress of 222 MPa and an ultimate tensile strength of 380 MPa at the strain rate of 500/s. The performance of the extruded AXM080104 is superior to that of the AZ31 alloy at the high strain rate. The deformation mechanism of the extruded AXM080104 was examined and analyzed. The high strength is attributed to the simultaneous activation of multiple slip systems, and then a large number of dislocations are packed and entangled at the grain boundaries to cause work hardening.

机译：用非凡的挤出性开发Mg-0.8Al-0.1Ca-0.4Mn（AxM080104，WT％）合金。在各种应变速率下评估合金的机械性能和应变速率灵敏度。用挤出合金表现出222MPa的拉伸0.2％的抗度，并且在500 / s的应变速率下为380MPa的最终拉伸强度。挤出的AXM080104的性能优于AZ31合金的高应变率。检查并分析挤出AXM080104的变形机制。高强度归因于多次滑动系统的同时激活，然后填充大量脱位并缠绕在晶界中以使工作硬化。

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来源
《Materials Science and Engineering》 |2021年第5期|141997.1-141997.8|共8页
作者
Zijian Wang; Hanlin Ding; Zhendong Xiao; Chenxi Yang; Chongchen Xiang;
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作者单位

Shagang School of Iron and Steel Soochow University Suzhou 215000 Jiangsu PR China;

Shagang School of Iron and Steel Soochow University Suzhou 215000 Jiangsu PR China;

Shagang School of Iron and Steel Soochow University Suzhou 215000 Jiangsu PR China;

Shagang School of Iron and Steel Soochow University Suzhou 215000 Jiangsu PR China;

Shagang School of Iron and Steel Soochow University Suzhou 215000 Jiangsu PR China;

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正文语种 eng
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关键词
Mg-Al-Ca-Mn alloy; AZ31; Strain rate; Twin; Dislocation; Texture;

机译：Mg-Al-Ca-Mn合金;AZ31;应变率;双胞胎;错位;质地;

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Experimental investigation on the mechanical properties and strain rate sensitivity of Mg-Al-Ca-Mn alloy under various strain rates

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