WebSep 23, 2024 · A suite of 37 molecular dynamics simulations is conducted at two system sizes to systematically characterize the role of grain boundary (GB) misorientation on … WebNov 30, 2024 · In practice, most components often receive impact loads during service. In order to ensure the service safety of components, impact toughness evaluation is essential. To the best of our knowledge, the previous studies were mainly focused on the quasi-static tensile deformation, and the impact toughness of bimodal grain structured metals have …
Predicting grain boundary structure and energy in BCC metals by ...
WebFeb 1, 1995 · In grain boundaries with a high segregation level the nature and content of the major element strongly vary with GB crystallographic parameters, depending on the orientation of the grain boundary plane. HREM studies of grain boundary structure do not reveal any intergranular glassy phase in the material. References (39) P.H. Pumphrey WebFeb 21, 2015 · A grain can be single crystal or exhibits two or more crystalline domains, in which the crystalline lattice exhibit distinct crystallographic orientations, the boundaries of these domains... greengage crypto
Grain boundary phases in bcc metals - NASA/ADS
WebThis process is particularly convenient for achieving non-equilibrium microstructures in body-centered cubic (BCC) metals, which are not easily produced with nanocrystalline grain sizes through other SPD processes due to the lack of a close-packed slip system facilitating high deformation strains. WebSimilar grain sizes as well as bimodal grain size distributions have been reported in the milling of W [25,36] and other BCC metals such as Fe . The Rietveld refinements also … WebWe report a computational discovery of novel grain boundary structures and multiple grain boundary phases in elemental bcc tungsten. While grain boundary structures created … flush mount western ceiling light