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Structure and properties of grain boundaries in submicrocrystalline molybdenum prepared by high-pressure torsion |
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| Authors: | V. V. Popov G. P. Grabovetskaya A. V. Sergeev I. P. Mishin A. N. Timofeev E. V. Kovalenko |
| Affiliation: | (1) Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA;(2) School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 300332, USA;(3) Departments of Aerospace & Mechanical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90089, USA |
| Abstract: | Transmission electron microscopy was used to study submicrocrystalline structure and thermal stability of molybdenum prepared by severe plastic deformation at 400°C by high-pressure (6 GPa) torsion using 5 revolutions of anvils. Emission Mössbauer spectroscopy was used to study the state of grain boundaries in submicrocrystalline Mo annealed at temperatures of 350–800°C. |
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