WebJan 7, 2024 · Then, GB relaxation in several nanograined FCC metals below the critical grain size induced by plastic deformation will be introduced. Changes of GB structures and the grain size effect, as well as the effect on thermal and mechanical stabilities of the nanograined metals will be emphasized. In addition, GB relaxation in nanograined and ... WebJan 11, 2024 · Rittner JD, Seidman DN. <110> symmetric tilt grain-boundary structures in fcc metals with low stacking-fault energies. Phys Rev B. 1996;54(10):6999–7015. 19. Oba F, Ohta H, Sato Y, Hosono H, Yamamoto T, Ikuhara Y. Atomic structure of [0 0 0 1]-tilt grain boundaries in ZnO: a high-resolution TEM study of fiber-textured thin films.
Review: Deformed and recrystallized structures in FCC …
WebMetals account for about two thirds of all the elements and about 24% of the mass of the planet. They are all around us in such forms as steel structures, copper wires, aluminum foil, and gold jewelry. Metals are widely used because of their properties: strength , ductility, high melting point, thermal and electrical conductivity, and toughness . WebJul 8, 2024 · Grain Size – The size of the individual crystals of metal. Large grain size is generally associated with low strength, hardness, and ductility. Steel is composed of crystals which have defined structures determined … blair atholl weather forecast 7 day
Cryo-rolling and annealing-mediated nano/ultrafine structure, …
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 … WebApr 13, 2024 · In Fig. 1a, FCC structures are provided in green, GBs are displayed in white, and solute atoms are colored red in GBAZ to make it easier to see the atoms separated within the grain boundaries. ... By changing the coarse grain size and Ag atomic content, the structural changes and stress distribution inside the alloy samples under tensile strain ... WebThe initial average grain size of the billet is 9.3 μm. The ECAE process used is the technique of pressing specimens through a die containing two channels with diameter of 4.5 mm, equal in cross-section, intersecting at an angle of 90°. fpt e learning