Characteristic Features and Thermal Stability of Molybdenum Processed by Different Ways of Severe Plastic Deformation

Konstantin V. Ivanov

doi:10.4028/www.scientific.net/MSF.584-586.917

Paper Titles

Thermal Stability of Severe Plastically Deformed VT-6 (Ti-6Al-4V)
p.893

Annealing Response of Al-0.22Sc-0.13Zr Alloy Processed by Accumulative Roll Bonding
p.899

Thermal Stability of Ultrafine Grains in Al-Fe-Mn-Si Foils Prepared by ARB and Subsequent Rolling
p.905

Effect of Cryorolling Strain on Precipitation Kinetics of Al 7075 Alloy
p.911

Characteristic Features and Thermal Stability of Molybdenum Processed by Different Ways of Severe Plastic Deformation
p.917

Tailoring the Magnetic Properties of Ferritic Alloys by HPT
p.923

Continuous Recrystallization Phenomenon in High Purity Copper during Equal Channel Angular Pressing up to High Strain at Room Temperature
p.929

Athermal and Thermal Limits of the Grain Refinement by SPD
p.938

Annealing Behavior of ECAP Deformed Aluminum Alloy 3103
p.944

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Characteristic Features and Thermal Stability of Molybdenum Processed by Different Ways of Severe Plastic Deformation

Abstract:

Characteristic features and thermal stability of the structure of molybdenum processed by high pressure torsion, equal-channel angular pressing or multy-step forging have been investigated using transmission electron microscopy, X-ray diffraction analysis and orientation imaging microscopy. The structural factors responsible for the strengthening and thermal stability of molybdenum processed have been obtained. It has been demonstrated that only high pressure torsion is an effective method to refine molybdenum structure (down to 0.2 µm). Recrystallization occurs during the others investigated processing disabling significant grain size reduction.