Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Bicheng Guo"'
Dynamic constitutive model of Fe–Cr–Ni stainless steel based on isothermal true stress-strain curves
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3901-3913 (2024)
Austenitic Fe–Cr–Ni stainless steel is widely used in aviation, chemistry, energy, due to its excellent properties of high-temperature performance. In this study, the splitting Hopkinson pressure bar with high-temperature system was employed to e
Externí odkaz:
https://doaj.org/article/b18e225791c542e19541d7320aa90430
Publikováno v:
Heliyon, Vol 10, Iss 17, Pp e36633- (2024)
In this study, to clarify the failure mechanism of the last-stage rotor blade in the low-pressure cylinder of a steam turbine, the peculiarities of crack initiation and propagation on the inlet side of the last-stage rotor blade at a distance of 125
Externí odkaz:
https://doaj.org/article/226e95e625a64188ab0bd59e11c3364d
Autor:
Jinxin Li, Feng Jiang, Ansheng Jin, Tao Zhang, Xigui Wang, Shizhan Huang, Xiangshen Zeng, Hongfei Yao, Dongwei Zhu, Xian Wu, Lan Yan, Xuming Zha, Bicheng Guo
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 4986-4996 (2023)
The accuracy of the cutting simulation model greatly depends on the constitutive models, thermophysical models, and friction models. However, accurate modeling of physical and mechanical relationships is not enough. The physical and mechanical behavi
Externí odkaz:
https://doaj.org/article/aca2529a28084590b8fde8a5551d85c9
Publikováno v:
Micromachines, Vol 15, Iss 7, p 923 (2024)
Micro-pyramid copper molds are critical components in the preparation of high-precision optical elements, such as light-trapping films and reflective films. Their surfaces are composed of micro-pyramid arrays (MPAs). The surface roughness and edge bu
Externí odkaz:
https://doaj.org/article/ca1c1a8605464d428d8ea120759feab7
Autor:
Shizhan Huang, Tao Zhang, Zhibin Wang, Lin Cheng, Xuming Zha, Bicheng Guo, Decheng Zheng, Hong Xie, Zhiyang Xiang, Youliang Chen, Feng Jiang
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 68-82 (2023)
Finite element method (FEM) based model of broaching Inconel 718 was established to optimize an asymmetrical cutting-edge by the commercial software AdvantEdge in this paper. The asymmetrical cutting-edge form by two circles was proposed. The power-l
Externí odkaz:
https://doaj.org/article/ba5ef4940303427185f7c53bc1d99f91
Autor:
Xiuyu Chen, Jie Sun, Kelin Li, Yuru Lin, Zhilong Xu, Bicheng Guo, Junying Chen, Qingshan Jiang
Publikováno v:
Metals, Vol 14, Iss 1, p 10 (2023)
In the service process of gears, premature fatigue failure or fracture of gears is often caused by poor surface performance. 20CrNiMo steel is a commonly used material for gears. Laser-shock peening (LSP), carburizing treatment (CT), and hybrid modif
Externí odkaz:
https://doaj.org/article/411c93d2ade24956bffd9db883b8903a
Publikováno v:
Optics, Vol 3, Iss 2, Pp 117-137 (2022)
Shearography is a coherent optical technique that allows the identification of the first derivative of deformation in the shearing direction. Due to direct measuring strain information, shearography is suited for non-destructive testing and evaluatio
Externí odkaz:
https://doaj.org/article/ea0d8f21fcad4929985a50e90a902368
Publikováno v:
Applied Sciences, Vol 13, Iss 5, p 2856 (2023)
This research paper is focused on the development of a digital holography system for simultaneous dual-resolution measurements. Digital holography has been widely used for deformation measurements and non-destructive testing (NDT) due to its advantag
Externí odkaz:
https://doaj.org/article/0c92fe8ba5544999a6940d0450bc685f
Publikováno v:
Metals, Vol 11, Iss 9, p 1401 (2021)
More and more attention has been given in the field of mechanical engineering to a material’s R-value, a parameter that characterizes the ability of sheet metal to resist thickness strain. Conventional methods used to determine R-value are based on
Externí odkaz:
https://doaj.org/article/d633785fa01a4b6f959b186ba045e219
Publikováno v:
Crystals, Vol 11, Iss 8, p 930 (2021)
In order to study the anisotropy of fracture toughness and fracture mechanism of single-crystal sapphire, the three-point bending tests and the single-edge V-notch beam (SEVNB) were used to test the fracture toughness of A-plane, C-plane, and M-plane
Externí odkaz:
https://doaj.org/article/bd0f713a3112481c9d4421445f729915