Zobrazeno 1 - 10
of 127
pro vyhledávání: '"Xiaoquan Yu"'
Autor:
Jingang Zhang, Wanpeng Zhang, Xiaoquan Yu, Hang Xie, Chao Zhou, Hongbing Song, Jiankang Huang
Publikováno v:
Metals, Vol 14, Iss 10, p 1105 (2024)
In the field of petroleum extraction, the welding technology of the core wire (the hybrid structure of copper and the Ni-Cr alloy) in high-power oilfield heaters is a key process that determines the efficiency of the heater. Using the tungsten inert
Externí odkaz:
https://doaj.org/article/b24f8fe342104bdfbf7c9630a7e15e58
Autor:
Jiamin Zhao, Liying Sun, Puguang Ji, Xiaoquan Yu, Long Chen, Shuo Liu, Kaihong Zheng, Fuxing Yin
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 7084-7093 (2023)
To control the microstructure and improve the mechanical properties of Mn–Cu alloy additive manufacturing components, this work adopts various scanning strategies (rotations of 0°, 45°, 67°, and 90° between successive layers) to change the heat
Externí odkaz:
https://doaj.org/article/664c0bd2f9884e44b14e6424108b75c2
Autor:
Xingchang Tang, Ganghu Cheng, Yajun Liu, Canglong Wang, Zhaocang Meng, Yinlong Wang, Yiwen Liu, Zhijian Zhang, Jiankang Huang, Xiaoquan Yu, Xueming Xu
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 3054-3066 (2023)
Based on the experiment and first-principles calculation methods, the evolution of microstructure, mechanical properties and electrical conductivity of low-carbon steel were investigated at various annealing conditions. The results show that with the
Externí odkaz:
https://doaj.org/article/a7e36dd9b98d40d6896f06d00739746f
Publikováno v:
IET Control Theory & Applications, Vol 17, Iss 15, Pp 2085-2096 (2023)
Abstract Cooperative control of high‐speed trains can improve the safety and efficiency of high‐speed railway transportation. However, the velocity and distance overshoots in the cooperative control of multiple high‐speed trains is an undesirab
Externí odkaz:
https://doaj.org/article/1317c86ed35e420397e79778809e8baa
Autor:
Yanqi Xiong, Xiaoquan Yu
Publikováno v:
Physical Review Research, Vol 6, Iss 1, p 013133 (2024)
We develop a neutral vortex fluid theory on closed surfaces with zero genus. The theory describes collective dynamics of many well-separated quantum vortices in a superfluid confined on a closed surface. Comparing to the case on a plane, the covarian
Externí odkaz:
https://doaj.org/article/535d74406f114f28ae6e5b26c6bcbaf5
Publikováno v:
Metals, Vol 14, Iss 2, p 207 (2024)
A novel controller, employing a variable-structure single-neuron adaptive PSD (proportional integral derivative) approach, was proposed for regulating the deposition width variation in the Directed Energy Deposition-Arc (DED-Arc) layer. During experi
Externí odkaz:
https://doaj.org/article/984be06a403b418d8b9809d5caaca41a
Publikováno v:
Metals, Vol 13, Iss 12, p 2017 (2023)
For the welding process of thick-walled structural components in liquid rocket engines, the activated-flux TIG method can effectively address issues such as the formation of intermetallic phases in the weld seams, thereby enhancing mechanical perform
Externí odkaz:
https://doaj.org/article/4e741679563f452e84d1ca970b1ff4d6
Publikováno v:
Physical Review Research, Vol 5, Iss 1, p L012045 (2023)
A two-dimensional spin-1 Bose gas exhibits two Berezinskii-Kosterlitz-Thouless (BKT) transitions in the easy-plane ferromagnetic phase. The higher-temperature transition is associated with superfluidity of the mass current determined predominantly by
Externí odkaz:
https://doaj.org/article/6ffb2eadb35b40b58947bf778195b747
Publikováno v:
Metals, Vol 13, Iss 9, p 1571 (2023)
Amorphous alloys show interesting mechanical properties as well as unique physical and chemical properties due to their atomic stacking structure. However, when partial crystallization occurs in amorphous alloys, it can impact the properties of the o
Externí odkaz:
https://doaj.org/article/e637466d66284be9ae21b44eaaab5028
Publikováno v:
Journal of Advanced Joining Processes, Vol 6, Iss , Pp 100120- (2022)
The interdiffusion and atomic structure of the interface between metallic glass Cu50Zr50 and crystalline Cu were investigated using molecular dynamics simulations. We show that the interdiffusion of atoms at the amorphous/crystalline interface is mai
Externí odkaz:
https://doaj.org/article/9c902022f21f49a98d07514e72f69057