Zobrazeno 1 - 10
of 5 949
pro vyhledávání: '"critical resolved shear stress"'
Publikováno v:
Nanotechnology Reviews, Vol 13, Iss 1, Pp 223-34 (2024)
In this study, atomistic simulations were used to analyze the effects of nonglide stress and temperature on the mobility and structure of pyramidal-I (Pyr-I) and pyramidal-II (Pyr-II) 〈c + a〉 screw dislocations in single-crystal Mg. At a very low
Externí odkaz:
https://doaj.org/article/ae1447b50e9b43229b8990cce321b637
Autor:
Le Li, Zhenghao Chen, Seiko Tei, Yusuke Matsuo, Ryosuke Chiba, Koretaka Yuge, Haruyuki Inui, Easo P. George
Publikováno v:
Science and Technology of Advanced Materials, Vol 25, Iss 1 (2024)
Temperature-dependent plastic deformation behaviors of single crystals of quaternary and ternary equiatomic medium-entropy alloys (MEAs) belonging to the Cr-Mn-Fe-Co-Ni system were investigated in compression at temperatures in the range 9 K to 1373
Externí odkaz:
https://doaj.org/article/383acc1cfd9d47bfaabd62867d0a3cd3
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 5572-5593 (2023)
Due to the hexagonal close-packed (HCP) crystal structure of Mg, the plasticity is poor at low temperatures. In order to solve this problem, the in-depth researches on various deformation modes of Mg are very necessary. However, there are many limita
Externí odkaz:
https://doaj.org/article/cded88d5f30f45448b5edcbd0057eee7
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 3041-3053 (2023)
A series of hot plane strain compression (PSC) experiments of the extruded Mg-6.03Zn-0.55Zr alloy were conducted on the Gleeble-3500 machine with strain rates of 0.01 s−1 to 10 s−1 and temperatures ranging from 300 °C to 500 °C to reveal the mi
Externí odkaz:
https://doaj.org/article/3bb03bdce36d4201b1c06719836c0b7b
Autor:
Tongfei Zou, Meng Liu, Quanyi Wang, Yunqing Jiang, Hao Wu, Zhenhuan Gao, Yubing Pei, Hong Zhang, Yongjie Liu, Qingyuan Wang
Publikováno v:
Materials & Design, Vol 239, Iss , Pp 112795- (2024)
Tensile interruption experiments with different strains were conducted on additively fabricated nickel-based Inconel 939 superalloys at 700 ℃ to investigate the evolution of multiple deformation mechanisms. The microstructures of different strain g
Externí odkaz:
https://doaj.org/article/f2aa17b8021944eeaca56b580dfa624f
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 3413-3422 (2023)
Determining the competition between the {110}⟨111⟩, {112}⟨111⟩ and {123}⟨111⟩ slip systems in body-centered cubic (BCC) metals is important to understand their mechanical properties. In this paper, the unstable stacking fault energy (γus
Externí odkaz:
https://doaj.org/article/faf2bb52cc2d492fa9e8a700ad9115f4
Akademický článek
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Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 89, Iss 923, Pp 23-00084-23-00084 (2023)
Critical resolved shear stress (CRSS) determines the ease of slip deformation of metals. In crystal structures with low symmetry, such as the HCP structure, non-equivalent slip systems exist. CRSSs are different between the non-equivalent slip system
Externí odkaz:
https://doaj.org/article/41205530a09049ae8579c2a89805dcc1
Autor:
Wiktor Bednarczyk, Maria Wątroba, Manish Jain, Krzysztof Mech, Piotr Bazarnik, Piotr Bała, Johann Michler, Krzysztof Wieczerzak
Publikováno v:
Materials & Design, Vol 229, Iss , Pp 111897- (2023)
The room-temperature plastic deformation behavior of pure Zn and Zn-Ag (0–2.2 at.%) biodegradable alloys has been investigated via uniaxial in situ micro-pillar compression tests performed within a scanning electron microscope. The critical resolve
Externí odkaz:
https://doaj.org/article/643c5c3c2b034f11a82d32f851b3d4d7
Publikováno v:
Introduction to Mechanics of Solid Materials, 2022, ill.
Externí odkaz:
https://doi.org/10.1093/oso/9780192866073.003.0012