Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 142, Issue 5, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4907272
Keywords
-
Ask authors/readers for more resources
With molecular dynamics simulations, we systematically investigate melting of a set of Sigma 3 < 110 > 70.53 degrees tilt grain boundaries (GB) in Cu bicrystals, including coherent twin boundaries (CTBs), 12 asymmetric tilt grain boundaries (ATGBs), and symmetric incoherent twin boundaries (SITBs), in the order of increasing length weight of SITB or GB energy. ATGBs decompose into CTBs and SITBs, which migrate and coalesce as a result of internal stress relaxation. GBs can be superheated or premelted, and GB melting temperature decreases exponentially with increasing SITB weight, owing to the systematics in GB microstructure. GB melting nucleates at disordered CTB-SITB junctions, and grows along SITBs and then into grain interiors, with the solid-liquid interfaces preferentially aligned with {111}. (C) 2015 AIP Publishing LLC.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available