Zobrazeno 1 - 10
of 339
pro vyhledávání: '"Particle-stimulated nucleation"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5504-5517 (2024)
It has been proved that rare earth elements have a positive effect on the performance of superalloys and steels at only trace levels, but rare earth phases are always tricky in the manufacturing process. In this work, one Ni–Mo–Cr-Gd alloy with u
Externí odkaz:
https://doaj.org/article/7cbb8a5df92e4581835395f7da4b6aaa
Autor:
Rensong Huang, Peng Sun, Liexing Zhou, Yelin Zhang, Shanju Zheng, Xiaohong Yuan, Yonghua Duan, Yawei Peng, Mengnie Li
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 2226-2243 (2024)
This study investigates the effects of deformation parameters on the second phase and softening behavior of Al–Zn–Mg–Cu alloy. The results are as follows: Firstly, the area fraction of the intermetallic phase fluctuates between 0.704 ± 0.092%
Externí odkaz:
https://doaj.org/article/4dd192f17951498bbd71a177099ea847
Autor:
Dongqing Zhao, Sha Zhang, Kaiming Cheng, Fan Yang, Huan Yu, Hongtao Liu, Xinfang Zhang, Xitao Wang, Yuansheng Yang, Jixue Zhou
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 7697-7708 (2024)
Ultra-fine grained magnesium alloys are usually prepared by severe deformation and medium-low temperature deformation. In this work, it has been found that the binary Mg-1.2Ce alloy with the uniform distributed Mg12Ce precipitates smaller than 3 μm
Externí odkaz:
https://doaj.org/article/19d3b401b51a423ab023186ee5e72024
Akademický článek
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Publikováno v:
Materials & Design, Vol 241, Iss , Pp 112888- (2024)
To enhance the wear resistance of carburized M50NiL steel, this study introduces a method for refining the grains in carburized layer to a micro/nano-scale. The method involves extending the carburization time to ensure the formation of large M7C3 ca
Externí odkaz:
https://doaj.org/article/b89f105186a24f9ca9ce797cdae78dec
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 11, Pp 4218-4234 (2023)
Featured initial microstructures of Mg-11Gd-4Y-2Zn-0.5Zr alloy (wt%) were obtained by adjusting temperatures of solid solution and cooling methods, including island intergranular 18R and 14H LPSO phases with low-density stacking faults, differentiall
Externí odkaz:
https://doaj.org/article/6035d47abd22438c835d492b436facf4
Publikováno v:
Metals, Vol 14, Iss 9, p 960 (2024)
Grain boundary engineering (GBE) was carried out on a nickel-based alloy (GH3535, Ni-16Mo-7Cr-4Fe), which intrinsically has many strings of primary molybdenum carbides. The strings induce inhomogeneous grain size distributions and increase the diffic
Externí odkaz:
https://doaj.org/article/1bbd94f21e4d4615a6c048ae29e444aa
Publikováno v:
Science and Technology of Advanced Materials, Vol 24, Iss 1 (2023)
ABSTRACTThe remarkable properties of high-entropy alloys (HEAs) have resulted in their increased research interest and prompted the use of various strategies to enhance their mechanical properties. In this study, the effects of Mo on the hot compress
Externí odkaz:
https://doaj.org/article/aaa27f14649349d39efc855e913d4004
Akademický článek
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Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 393-402 (2023)
The effects of Zr addition on the microstructural evolution and mechanical properties of FeCrAl alloys were investigated. Fine Fe2Zr particles with their sizes ranging from 0.5 to 1.2 μm were observed when the alloying element Zr was introduced in F
Externí odkaz:
https://doaj.org/article/c31c3d6d7e3d4f1b86b767d28bd8e0c3