Zobrazeno 1 - 10
of 264
pro vyhledávání: '"dislocation evolution"'
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1437-1448 (2024)
Titanium alloys are extensively utilized in the aerospace industry due to their exceptional strength and resistance to corrosion. However, litmited performance and high dispersion has always existed for the traditional manufacturing process. A novel
Externí odkaz:
https://doaj.org/article/563b375224da473e9a2d66a8a628f689
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 2708-2722 (2024)
Gaining insight into the underlying mechanisms driving nanoindentation-induced behavior in tungsten is essential for comprehending its mechanical properties. Although the plasticity of conventional pure tungsten under nanocontact conditions is well u
Externí odkaz:
https://doaj.org/article/919f4cd70df14e3da246f48740ee123d
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 823-832 (2024)
The influence of the grain sizes ranging from 23.4 to 69.2 μm on mechanical properties of Cu-3wt.%Ag-0.5 wt%Zr thin sheets was investigated by conducting uniaxial tensile experiments at room temperature (RT 298 K) and cryogenic temperature (CT 77 K)
Externí odkaz:
https://doaj.org/article/4edfd4a3684c4ef79dc789cd062e42ff
Autor:
Asker Jarlöv, Weiming Ji, Rita Babicheva, Yujia Tian, Zhiheng Hu, Hang Li Seet, Liming Tan, Feng Liu, Yong Liu, Mui Ling Sharon Nai, Upadrasta Ramamurty, Kun Zhou
Publikováno v:
Materials & Design, Vol 240, Iss , Pp 112840- (2024)
The research community has recently been captivated by the atomic-scale short-range order observed in high- and medium-entropy alloys. However, significant challenges persist in improving the mechanical performance through manipulation of the short-r
Externí odkaz:
https://doaj.org/article/89289a16ea3b4324a87e4003f7e21fed
Publikováno v:
High Temperature Materials and Processes, Vol 41, Iss 1, Pp 669-682 (2022)
The high-temperature deformation behavior of Ti–6.5Al–2Sn–4Zr–4Mo–1W–0.2Si alloy with initial lamellar microstructure was investigated through performing hot compression experiments at temperatures of 940–1,030°C and strain rates of 0.
Externí odkaz:
https://doaj.org/article/e2f7ecd3cf434402a1bc8e2c9799f19e
Publikováno v:
Metals, Vol 14, Iss 2, p 143 (2024)
To investigate the mechanisms behind the effect of ultrasonic vibration on the plastic deformation of materials, the flow stress model of Cr4Mo4V was established according to the dislocation dynamics and thermal activation theory, which considers the
Externí odkaz:
https://doaj.org/article/693d0673cff84a67bf31520166ff68dc
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Publikováno v:
Metals, Vol 13, Iss 12, p 1948 (2023)
The formability at room temperature and low speed limits the application of aluminum alloy, while high strain rates positively improve the formability of materials. The constitutive behaviors of materials under high strain rates or impact loadings ar
Externí odkaz:
https://doaj.org/article/ad00ac0c192a452498458acdad0f6c62