Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Guangfa Gao"'
Publikováno v:
IEEE Access, Vol 12, Pp 34222-34234 (2024)
Electro-hydrostatic actuators (EHAs) are widely utilized due to their superior integration and high power-to-weight ratio. However, the elimination of a centralized oil source in EHAs restricts the cooling capacity of the system, leading to potential
Externí odkaz:
https://doaj.org/article/135519fd6c774058ac46316ec70c27af
Autor:
Mengwei Duan, Guanshun Bai, Shun Guo, Yong Peng, Xuequan Liu, Wei Zhang, Xiaoyong Zhang, Yong Huang, Jizi Liu, Guangfa Gao, Jian Kong, Qi Zhou, Kehong Wang
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 5426-5442 (2023)
The dynamic tensile mechanical properties of 18Ni350 maraging steel (M350) fabricated by wire arc additive manufacturing (WAAM) was investigated by the split Hopkinson tensile bar (SHTB) and microstructural analysis. The results show that the yield s
Externí odkaz:
https://doaj.org/article/c9a22afeb39046ac88d8e97119ae4bc4
Publikováno v:
Materials, Vol 16, Iss 1, p 40 (2022)
In order to adapt to the launch velocity of modern artillery, it is necessary to study the fracture mechanism of the high-velocity penetration of penetrators. Therefore, the penetration fracture mode of tungsten-fiber-reinforced Zr-based bulk metalli
Externí odkaz:
https://doaj.org/article/50004f1fefe643c8901c93179def6c9d
Autor:
Wenhui Shi, Shuai Yue, Zhiqian Li, Hao Xu, Zhonghua Du, Guangfa Gao, Guang Zheng, Beibei Zhao
Publikováno v:
Crystals, Vol 12, Iss 6, p 758 (2022)
Aiming at the parachute recovery of fixed-wing unmanned aerial vehicles, a method of parachute deployment by tractor rocket is proposed. First, the tensile tests were carried out on high-strength polyethylene and brocade silk-weaved composite materia
Externí odkaz:
https://doaj.org/article/21f897cc51064babb9f7b212a4e13e09
Publikováno v:
Crystals, Vol 12, Iss 2, p 284 (2022)
A tungsten fiber/Zr-based bulk metallic glass matrix composite (Wf/Zr-MG) is a potential penetrator material. To compare and analyze the penetration behavior of Wf/Zr-MG and a tungsten heavy alloy (WHA), a penetration experiment into the 30CrMnMo hom
Externí odkaz:
https://doaj.org/article/1feaea71d982475595ac10e2a95a09d1
Autor:
Chengxin Du, Huameng Fu, Zhengwang Zhu, Kehong Wang, Guangfa Gao, Feng Zhou, Lizhi Xu, Zhonghua Du
Publikováno v:
Crystals, Vol 12, Iss 2, p 124 (2022)
In order to increase the penetration ability of tungsten fiber-reinforced Zr-based bulk metallic glasses matrix composite rod, two multi-diameter tungsten fiber-reinforced Zr-based bulk metallic glasses matrix composites (MD-WF/Zr-MG) are designed. I
Externí odkaz:
https://doaj.org/article/39eb533163044be7b48b9c2c914af955
Autor:
Pengfei Wang, Jinglei Yang, Xin Li, Mao Liu, Xin Zhang, Dawei Sun, Chenlu Bao, Guangfa Gao, Mohd Yazid Yahya, Songlin Xu
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
Abstract Uncovering energy absorption and surface effects of various penetrating velocities on laminar structures is essential for designing protective structures. In this study, both quasi-static and dynamic penetration tests were systematical condu
Externí odkaz:
https://doaj.org/article/a8307de346f04c0e83fb8ee851d89d02
Publikováno v:
Materials, Vol 13, Iss 21, p 4730 (2020)
Shock wave compression of poled PZT95/5 ceramics results in rapid depoling and a release of bound charge. Porous PZT95/5 ceramics are superior to dense ceramics in high-voltage breakdown resistance under shock-wave loading. In this article, the mecha
Externí odkaz:
https://doaj.org/article/ce383d76f0e442b6a83870046281d2ff
Semi-Crystalline Polymers Applied to Taylor Impact Test: Constitutive, Experimental and FEM Analysis
Publikováno v:
Polymers, Vol 12, Iss 7, p 1615 (2020)
Based on mechanical properties of Polyamide 66 (PA66) under complex loading conditions, a Drucker–Prager yield criterion was employed to characterize its yield behavior. Then, a one-dimensional model, which contains a viscoelastic regime and a visc
Externí odkaz:
https://doaj.org/article/ef9d41c9e92543528af1e26c2345e86f