ChemInform Abstract: Strength and Related Phenomenon of Bulk Nanocrystalline Ceramics Synthesized via Non-Equilibrium Solid State P/M Processing

ChemInform ◽  
2011 ◽  
Vol 42 (37) ◽  
pp. no-no
Author(s):  
Hiroshi Kimura
Keyword(s):  
Solid State ◽  
Related Phenomenon ◽  
Nanocrystalline Ceramics ◽  
Bulk Nanocrystalline ◽  
Non Equilibrium

scholarly journals High-Pressure Torsion of Non-Equilibrium Hydrogen Storage Materials: A Review

Energies ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 819
Author(s):  
Ádám Révész ◽  
Marcell Gajdics
Keyword(s):  
High Pressure ◽  
Solid State ◽  
Hydrogen Storage ◽  
Amorphous Materials ◽  
High Pressure Torsion ◽  
Energy System ◽  
Grand Challenge ◽  
Storage Solutions ◽  
Bulk Nanocrystalline ◽  
Non Equilibrium

As the most abundant element in the world, hydrogen is a promising energy carrier and has received continuously growing attention in the last couple of decades. At the very moment, hydrogen fuel is imagined as the part of a sustainable and eco-friendly energy system, the “hydrogen grand challenge”. Among the large number of storage solutions, solid-state hydrogen storage is considered to be the safest and most efficient route for on-board applications via fuel cell devices. Notwithstanding the various advantages, storing hydrogen in a lightweight and compact form still presents a barrier towards the wide-spread commercialization of hydrogen technology. In this review paper we summarize the latest findings on solid-state storage solutions of different non-equilibrium systems which have been synthesized by mechanical routes based on severe plastic deformation. Among these deformation techniques, high-pressure torsion is proved to be a proficient method due to the extremely high applied shear strain that develops in bulk nanocrystalline and amorphous materials.

Non-equilibrium acoustic phonons in nanocrystalline ceramics based on C-modification of Y2O3 sesquioxide

2005 ◽  
Vol 242 (10) ◽  
pp. 1983-1989 ◽  
Author(s):  
S. N. Ivanov ◽  
Yu. N. Barabanenkov ◽  
A. V. Taranov ◽  
E. N. Khazanov ◽  
H. Yagi ◽  
...  
Keyword(s):  
Acoustic Phonons ◽  
Nanocrystalline Ceramics ◽  
Non Equilibrium
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