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Roles of structure-dependent hardening at grain boundaries and triple junctions in deformation and fracture of molybdenum polycrystals

โœ Scribed by Shigeaki Kobayashi; Sadahiro Tsurekawa; Tadao Watanabe

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
285 KB
Volume
483-484
Category
Article
ISSN
0921-5093

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Nanohardness of molybdenum in the vicini
Nanohardness of molybdenum in the vicinity of grain boundaries and triple junctions
โœ T. Eliash; M. Kazakevich; V.N. Semenov; E. Rabkin ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 542 KB

We performed a nanoindentation study of the inherent mechanical properties of grain boundaries and their triple junctions in molybdenum tricrystals of controlled geometry grown from the melt. A region with increased hardness is revealed in the vicinity of all grain boundaries studied. The width of t