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Lee, Zonghoon
Atomic-Scale Electron Microscopy (ASEM) Lab
Research Interests
  • Advanced Transmission Electron Microscopy (TEM/STEM), in Situ TEM, graphene, 2D materials, low-dimensional crystals, nanostructured materials

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Microstructure and microhardness of cryomilled bulk nanocrystalline Al-7.5%Mg alloy consolidated by high pressure torsion

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Title
Microstructure and microhardness of cryomilled bulk nanocrystalline Al-7.5%Mg alloy consolidated by high pressure torsion
Author
Lee, ZonghoonZhou, FValiev, RZLavernia, EJNutt, SR
Keywords
nanocrystalline microstructure; high pressure torsion (HPT); powder consolidation; transmission electron microscopy (TEM); cryomilling
Issue Date
200408
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
SCRIPTA MATERIALIA, v.51, no.3, pp.209 - 214
Abstract
Cryomilled nanocrystalline Al-7.5Mg (in wt.%) powders were consolidated by high pressure torsion (HPT). Consolidation resulted in elongated nanocrystalline grains of similar to30 nm width along the torsion direction and high microhardness values over 3.5 GPa at five rotations in torsion under applied pressures of 6 GPa.
URI
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DOI
http://dx.doi.org/10.1016/j.scriptamat.2004.04.016
ISSN
1359-6462
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