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International Hydrogen Conference (IHC 2016): Materials Performance in Hydrogen Environments

Editor
B. P. Somerday
B. P. Somerday
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P. Sofronis
P. Sofronis
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ISBN:
9780791861387
No. of Pages:
800
Publisher:
ASME Press
Publication date:
2017

The goal of this study is to obtain a deeper insight in the relation between hydrogen diffusion and hydrogen traps present in Armco pure iron. Cold deformation was applied to increase the dislocation density and modify grain boundary characteristics. In this way, the hydrogen diffusivity was lowered due to the higher trapping ability of the microstructure. A subsequent heat treatment allowed changing the density of the microstructural heterogeneities. In addition, a higher degree of deformation increased the amount of blisters on the surface, while recovery lowered this amount. The correlation between hydrogen diffusion, blister formation and different microstructural defects was...

Introduction
Materials and Methods
Results and Discussion
Conclusion
Acknowledgements
References
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