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Title: Hardness Development of Mechanically-Bonded Hybrid Nanostructured Alloys through High-Pressure Torsion
Processing through the application of high-pressure torsion (HPT) provides significant grain refinement in bulk metals at room temperature. These ultrafine-grained (UFG) materials after HPT generally demonstrate exceptional mechanical properties. Recent reports demonstrated the bulk-state reactions for mechanical bonding of dissimilar lightweight metal disks to synthesize hybrid alloy systems by utilizing conventional HPT processing. Accordingly, the present report provides a comprehensive summary of the recent work on processing of several UFG hybrid alloy systems including Al-Mg and Al-Cu by HPT under 6.0 GPa at room temperature and a special emphasis was placed on understanding the evolution of hardness. This study demonstrates a significant opportunity for the application of HPT for a possible contribution to current enhancements in diffusion bonding, welding and mechanical joining technologies as well as to an introduction of hybrid engineering nanomaterials.  more » « less
Award ID(s):
1810343
PAR ID:
10211959
Author(s) / Creator(s):
;
Date Published:
Journal Name:
Materials Science Forum
Volume:
1016
ISSN:
1662-9752
Page Range / eLocation ID:
177 to 182
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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