Acta Metallurgica Sinica (English Letters)
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1700
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Published By Springer-Verlag

2194-1289, 1006-7191
Latest Documents Most Cited Documents Contributed Authors Related Sources Related Keywords

Phase Selection and Microhardness of Directionally Solidified AlCoCrFeNi2.1 Eutectic High-Entropy Alloy

2022 ◽  
Author(s):  
Peng Peng ◽  
Shengyuan Li ◽  
Weiqi Chen ◽  
Yuanli Xu ◽  
Xudong Zhang ◽  
...  
Keyword(s):  
High Entropy Alloy ◽  
Directionally Solidified ◽  
Phase Selection ◽  
High Entropy

scholarly journals Reveal Hydrogen Behavior at Grain Boundaries in Fe–22Mn–0.6C TWIP Steel via In Situ Micropillar Compression Test

2022 ◽  
Author(s):  
Xu Lu ◽  
Dong Wang ◽  
Di Wan ◽  
Xiaofei Guo ◽  
Roy Johnsen
Keyword(s):  
Grain Boundaries ◽  
Compression Test ◽  
Electron Backscatter Diffraction ◽  
Scanning Transmission Electron Microscope ◽  
Transmission Electron ◽  
Scanning Transmission ◽  
Micropillar Compression ◽  
Backscatter Diffraction ◽  
Boundary Intersections

AbstractIn this study, the effect of hydrogen on dislocation and twinning behavior along various grain boundaries in a high-manganese twinning-induced plasticity steel was investigated using an in situ micropillar compression test. The compressive stress in both elastic and plastic regimes was increased with the presence of hydrogen. Further investigation by transmission electron backscatter diffraction and scanning transmission electron microscope demonstrated that hydrogen promoted both dislocation multiplication and twin formation, which resulted in higher stress concentration at twin–twin and twin–grain boundary intersections.

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