Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Ruifeng Dong"'
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 739-746 (2024)
Oxidation behaviors of a Ni–Cr–W based superalloy were investigated in terms of microstructural characteristics. It was found that the specimens with small grains present a better oxidation resistance owing to their higher density of grain bounda
Externí odkaz:
https://doaj.org/article/fbb43b6173e148bcb27b7303ec952ae7
Autor:
Xin Yang, Hongying Liang, Yufu Tang, Ruifeng Dong, Qimiao Liu, Wanqing Pang, Lixia Su, Xiaona Gu, Mengya Liu, Qingdong Wu, Xiangming Xue, Jingming Zhan
Publikováno v:
Biomedicine & Pharmacotherapy, Vol 180, Iss , Pp 117451- (2024)
Aim: This study aimed to evaluate the protective effect of soybean extract (SE) against uranium-induced lung injury in rats. Materials and methods: A rat lung injury model was established through nebulized inhalation of uranyl nitrate. Pretreatment w
Externí odkaz:
https://doaj.org/article/46ac839823c9433fbc89ef47423fbc15
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 1795-1799 (2024)
The phase transformation of β to stress-induced α″ martensitic progresses in a displacive mode. The associated transformation strain induced by β to α″ martensitic has an important influence on the resultant microstructure. In this work, the
Externí odkaz:
https://doaj.org/article/65f0afd5a74e4e89a36464a9d26c1bd6
Publikováno v:
Crystals, Vol 14, Iss 10, p 851 (2024)
To investigate the effect of the primary γ′ phase on the high-temperature endurance performance of GH4720Li superalloy, samples with different volume fractions of the primary γ′ phase were prepared by adjusting the heat treatment process. The h
Externí odkaz:
https://doaj.org/article/31b99ef3c16f46b6a772f29702923bc6
Autor:
Ruifeng Dong, Peiying Zhou, Jiquan Chen, Yuansu Lei, Xiong Yang, Yanjie Wu, Jing Guo, Qingling Cui
Publikováno v:
Crystals, Vol 14, Iss 10, p 863 (2024)
In this paper, FH460 special steel with rare earth element cerium (Ce) was selected, and the control group without Ce was set up. By changing the content of Ce, the microstructure, phase transition point, and mechanical properties of the test steel w
Externí odkaz:
https://doaj.org/article/daee0fd5e0bc4057a4fd2935f90af077
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 4813-4824 (2023)
The properties of high-entropy alloys (HEAs) depend primarily on the composition and content of elements. However, getting the optimal composition of alloying elements through the traditional ''trial and error'' method is challenging, especially for
Externí odkaz:
https://doaj.org/article/d75fd67ae05a4d1d9c800dc6862d147a
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 1005-1014 (2023)
In this work, microstructural characteristics, dynamic recrystallization and mechanical properties of the hot-rolled AZ31B were investigated. The results indicated that the different mechanisms of recrystallization are responsible for the microstruct
Externí odkaz:
https://doaj.org/article/ea95bc31a3ea4b6698658aba89b20976
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 737-758 (2023)
Molten glass purification and cycle superheating technologies were used to make Ni65Cu35, Ni65Cu33Co2 and Ni65Cu31Co4 alloys obtain maximum undercoolings of 320 K, 292 K and 300 K respectively. In order to analyze the relationship between morphologic
Externí odkaz:
https://doaj.org/article/a103c50d68a3428fa27e9cddbc8575ba
Publikováno v:
Metals, Vol 14, Iss 3, p 340 (2024)
The primary objective of this paper is to investigate the influence of deformation degree on the microstructure and properties of a Ni-based superalloy. An upsetting experiment was conducted using a free-forging hammer to achieve a deformation degree
Externí odkaz:
https://doaj.org/article/8e44905e38fa412194c206697212d31c
Publikováno v:
Journal of Materials Research and Technology, Vol 16, Iss , Pp 347-361 (2022)
In this work, the relationship between the critical undercooling ΔT∗ and nonequilibrium solidification velocity of single-phase alloys as well as the refined structure transformation mechanism have been fully investigated. The results show that th
Externí odkaz:
https://doaj.org/article/f3588e9f53084876990d1b559d2741c4