Zobrazeno 1 - 10
of 19
pro vyhledávání: '"QingTao Guo"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5565-5575 (2024)
The AISI M2 coatings were prepared on H13 die steel substrates by laser cladding technology. The effects of MoS2 addition on the microstructure and wear resistance of the coatings were investigated. The results showed that adding MoS2 can reduce the
Externí odkaz:
https://doaj.org/article/eb600f0792a84dd3b3341b3ebb16eb7d
Autor:
Honggang Zhong, Yu Zhao, Zenghuang Lin, Tianyu Li, Qingtao Guo, Lijuan Li, Qijie Zhai, Qingyou Han
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 5368-5371 (2023)
Dendritic bridging plays a key role in hot tearing formation and crack propagation, but it has yet to be clearly understood. This article describes the formation process of interdendritic bridging and its effect on the propagation of hot tearing. Two
Externí odkaz:
https://doaj.org/article/54896caf8e544bb49007fa24d00b5c59
Autor:
Yubao Xiao, Qingtao Guo, Tie Liu, Qiang Wang, Mingliang Chai, Kailun Zhang, Yuting Li, Dong Pan
Publikováno v:
Metals, Vol 12, Iss 10, p 1714 (2022)
The forming of zinc dross floating on the surface of molten zinc in zinc pot is inevitable during hot-dip galvanizing production. The cleaning of zinc dross has always been a challenge and a difficult problem to solve. Based on the electromagnetic fi
Externí odkaz:
https://doaj.org/article/0c7fa18f095641d0bdf9002d50dc8eb5
Autor:
Yubo Zhang, Jiaming Liu, Ying Fu, Jinchuan Jie, Yiping Lu, Qingtao Guo, Tongmin Wang, Tingju Li
Publikováno v:
Metals, Vol 8, Iss 9, p 722 (2018)
In the present work, Cu-Pb-Sn and Q235 laminated composite were fabricated by a horizontal semisolid rolling procedure. The interfacial structure, elemental distribution, and properties of the composite were investigated. Finite-element simulation wa
Externí odkaz:
https://doaj.org/article/0a62e74716d94836b1b044ab19da9e49
Publikováno v:
Metals, Vol 8, Iss 8, p 600 (2018)
A three-layered composite material, consisting of an Al outer layer and a 7075-10 wt % B4C inner layer, was fabricated by semi-continuous casting and following a hot rolling process. The composite exhibits a clear layered structure with a good interf
Externí odkaz:
https://doaj.org/article/e4d717a7689b453f952780cd699521c4
Publikováno v:
Metallurgical and Materials Transactions B. 52:2992-3003
A four-phase solidification model is introduced to comprehensively investigate the formation of macrosegregation, especially the A-segregation during the solidification of a 55-ton ingot (Fe-3.3 wt pct C). The model considers the simulations of melt
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 109:2707-2718
Breakout is a catastrophic accident in continuous casting. The existing breakout prediction methods based on logical judgment and neural networks need to constantly adjust the prediction parameters or prepare high-quality samples as the input, result
Publikováno v:
ISIJ International. 58:892-898
Autor:
Kateryna Svynarenko, Jinchuan Jie, Tingju Li, Li Wu, Tongmin Wang, Ying Fu, Zhang Yubo, Qingtao Guo
Publikováno v:
Metals and Materials International. 23:1197-1203
An innovative horizontal continuous casting method was developed and successfully used to prepare copper-clad aluminum (CCA) rods with a diameter of 85 mm and a sheath thickness of 16 mm. The solidification structure and element distribution near the
Publikováno v:
Materials Science and Engineering: A. 807:140916
In general, the grains of an AA6061 alloy cannot be refined without mechanical and heat treatments. Interestingly, in this work, the grain refinement of AA6061 alloy is successfully realized by a cyclic electropulsing treatment without any plastic de