Zobrazeno 1 - 10
of 2 740
pro vyhledávání: '"GRAIN-BOUNDARY SEGREGATION"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 6328-6339 (2024)
Mg is easily segregated to the grain boundary of the Al–Mg alloy, which affects the mechanical properties of the alloy. In order to reveal the role of Mg element at grain boundaries in Al–Mg alloys, molecular dynamics simulation was used to study
Externí odkaz:
https://doaj.org/article/d02b2bf707b74c9087dddb06f2bc1fcd
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 3029-3044 (2024)
Molecular dynamics simulations were carried out to investigate the tensile deformation behavior of Ni50Co50 solid solution nanocrystalline alloys with varying degrees of grain boundary segregation. A comprehensive analysis disclosed that the observed
Externí odkaz:
https://doaj.org/article/cc2ed561c0a144c7987806c0932b3f05
Autor:
K. Tesař, J. Luňáčková, M. Jex, M. Žaloudková, R. Vrbová, M. Bartoš, P. Klein, L. Vištejnová, J. Dušková, E. Filová, Z. Sucharda, M. Steinerová, S. Habr, K. Balík, A. Singh
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 6, Pp 2472-2488 (2024)
Magnesium is an excellent material in terms of biocompatibility and its corrosion products can serve as an active source for new bone formation. However, localized corrosion and H2 generation limit the potential of Mg-based implants. Utilizing low-al
Externí odkaz:
https://doaj.org/article/d6276bc16ec242369c68151b520bdc5a
Autor:
Jiaxiang Li, Kenta Yamanaka, Yongjie Zhang, Tadashi Furuhara, Guoqin Cao, Junhua Hu, Akihiko Chiba
Publikováno v:
Materials Research Letters, Vol 12, Iss 6, Pp 399-407 (2024)
ABSTRACTThe Hall-Petch strengthening coefficient of face-centered cubic alloys has the potential to increase. Herein, we experimentally determined an unconventionally large Hall-Petch coefficient equal to 1100 MPa·µm1/2 and a large lattice friction
Externí odkaz:
https://doaj.org/article/048e6f086ace49349c2c3143b5aeb82b
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 5, Pp 1774-1791 (2024)
Low-alloyed magnesium (Mg) alloys have emerged as one of the most promising candidates for lightweight materials. However, their further application potential has been hampered by limitations such as low strength, poor plasticity at room temperature,
Externí odkaz:
https://doaj.org/article/ac4128cb905243c5acfd511e6dd2d5c1
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 8529-8538 (2024)
The influence of grain boundary segregation on corrosion behaviour of AA5083 alloy remains unclear. In the present work, the segregation in both as-received and sensitized AA5083 alloys was examined via transmission electron microscopy (TEM). The inf
Externí odkaz:
https://doaj.org/article/623d4831304c489bb962b4b246c0bf43
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Akademický článek
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Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 3863-3880 (2023)
The formation conditions and influence mechanisms of the heterogeneous bimodal microstructure of Mg-9.8Gd-3.5Y-2.0Zn-0.4Zr alloy were systematically studied by thermal compression experiments in the range of 0.001–1.0 s−1 and 350–500 °C. Combi
Externí odkaz:
https://doaj.org/article/d751a978733745c5b97199c1c0604d5d
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 2242-2253 (2023)
Improvement of the stability of nanocrystalline (NC) materials is always a challenge. In this paper, the high thermal stability is achieved in a representative NC W alloy by combining nano-segregation of Ti solute to W grain boundary (GBs), and in-si
Externí odkaz:
https://doaj.org/article/eac62fee43a0411984301753250968a1