mg alloy
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2022 ◽  
Vol 210 ◽  
pp. 114429
Author(s):  
Dechao Zhao ◽  
Decheng Kong ◽  
Jie Huang ◽  
Mingliang Wang ◽  
Tomiko Yamaguchi ◽  
...  

2022 ◽  
Vol 238 ◽  
pp. 111926
Author(s):  
Lu Liu ◽  
Wen Ao ◽  
Zhan Wen ◽  
Yang Wang ◽  
Yuexiao Long ◽  
...  
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2022 ◽  
Author(s):  
Ning Wei ◽  
Ai-Qiang Shi ◽  
Zhi-Hui Li ◽  
Bing-Xian Ou ◽  
Si-Han Zhao ◽  
...  

Abstract The plastic deformation properties of cylindrical pre-void Aluminum-Magnesium (Al-Mg) alloy under uniaxial tension are explored using molecular dynamics simulations with embedded atom method (EAM) potential. The factors of Mg content, void size, and temperature are considered. The results show that the void fraction decreases with increasing Mg in the plastic deformation, and it is almost independent of Mg content when Mg is beyond 5%. Both Mg contents and stacking faults around the void affect the void growth. These phenomena are explained by the dislocation density of the sample and stacking faults distribution around the void. The variation trends of yield stress caused by void size are in good agreement with Lubarda model. Moreover, temperature effects are explored, the yield stress and Young's modulus obviously decrease with temperature. Our results may enrich and facilitate the understanding of the plastic mechanism of Al-Mg with defects or other alloys.


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