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20 results on '"Zhao, H.L."'

1. Plasma heating by electron cyclotron wave and the temperature effects on lower hybrid current drive on EAST

Author

Li, M.H., primary, Xu, H.D., additional, Wang, X.J., additional, Wang, M., additional, Ding, B.J., additional, Wu, C.B., additional, Yan, G.H., additional, Liu, L., additional, Zhao, L.M., additional, Wu, Z.G., additional, Xu, W.Y., additional, Wu, D.J., additional, Zhang, L.Y., additional, Tang, Y.Y., additional, Li, H., additional, Wallace, G.M., additional, Baek, S.G., additional, Bonoli, P.T., additional, Zang, Q., additional, Lin, S.Y., additional, Meng, L.Y., additional, Zhao, H.L., additional, Xu, L.Q., additional, Wang, M.R., additional, Zhang, X.J., additional, Huang, J., additional, Qian, J.P., additional, and Gong, X.Z., additional

Published
2023
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11. Suppression of tungsten accumulation during ELMy H-mode by lower hybrid wave heating in the EAST tokamak

Author

Zhang, L., primary, Morita, S., additional, Xu, Z., additional, Zhang, P.F., additional, Zang, Q., additional, Duan, Y.M., additional, Liu, H.Q., additional, Zhao, H.L., additional, Ding, F., additional, Ohishi, T., additional, Gao, W., additional, Huang, J., additional, Yang, X.D., additional, Chen, Y.J., additional, Wu, Z.W., additional, Xu, P., additional, Ding, B.J., additional, Hu, C.D., additional, Gong, X.Z., additional, Chen, J.L., additional, and Hu, L.Q., additional

Published
2017
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17. Structural and optical properties and photoluminescence mechanism of fluorine-doped SnO2 films during the annealing process.

Author

Yang, J.K., Zhao, H.L., Li, J., Zhao, L.P., Chen, J.J., and Yu, B.

Subjects
*FLUORINE, *PHOTOLUMINESCENCE, *DOPING agents (Chemistry), *STANNIC oxide, *METALLIC films, *ANNEALING of metals, *OPTICAL properties of metals, *CRYSTAL structure
Abstract

Abstract: F-doped SnO2 (SnO x :F) films deposited on a glass substrate by atmospheric pressure chemical vapor deposition (APCVD) were annealed at 600°C for different times. The effects of annealing time on the structural, optical and photoluminescence (PL) properties of SnO x :F films were investigated. The results show that all the films have a polycrystalline cassiterite tetragonal crystal structure and exhibit obviously preferred orientations with (200) and (310) planes. The films annealed for 15min possess the smallest particle sizes, of 94.95nm, and a minimum root mean square roughness of 15.74nm. The transmittances of all the films in the visible range can reach ∼80%. When the annealing time increases from 0 to 60min, the optical band gap of SnO x :F films decreases from 3.91 to 3.87eV. The room temperature PL spectra show weak UV emission, intense violet emission and broad and weak blue emission. The violet emission related to F substitutions and oxygen vacancies is composed of three PL subbands centered at 3.22, 3.03 and 2.81eV. The photoemission position is observed to be independent of annealing time. [Copyright &y& Elsevier]

Published
2014
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18. Compression properties and work-hardening effect of the NiAl-matrix composite with TaB2 and TaB

Author

Zhao, H.L., Qiu, F., Jin, S.B., and Jiang, Q.C.

Subjects
*METALLIC composites, *MICROSTRUCTURE, *STRAIN hardening, *METAL compression testing, *NICKEL-aluminum alloys, *STRAIN rate, *CERAMIC materials
Abstract

Abstract: The microstructure, compression property and work-hardening effect of the NiAl-matrix composite reinforced by 5 vol.% ceramic particulates (TaB and TaB2) were investigated. The compression properties and work-hardening capacity (H c) under the different strain rates were also investigated. The NiAl-matrix composite has strong strain rate sensitivity. A high true ultimate strength of 1399 MPa, a true fracture strain of 18.7% and H c = 1.84 were obtained under the strain rate of 1.0 × 10−4 s−1. The good compression properties may be attributed to the refinement of the grain size and the good combination between the ceramic particulates and the NiAl-matrix. [Copyright &y& Elsevier]

Published
2012
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20. Corrosion mechanism of the modified casting Al–Cu alloy by the nano-scale Pr x O y

Author

Zhao, W.G., Wang, J.G., Zhao, H.L., Hou, J.Q., and Jiang, Q.C.

Subjects
*ALLOYS, *CORROSION resistant materials, *ALUMINUM-copper alloys, *FOUNDING, *ELECTROCHEMICAL analysis, *PRASEODYMIUM, *METALLIC films, *PROTECTIVE coatings
Abstract

Abstract: The corrosion resistance of the casting Al–Cu alloys was investigated by both the immersion test and electrochemical measurements. The results showed that the modified Al–Cu alloy by the nano-scale Pr x O y had better corrosion resistance than the unmodified Al–Cu alloy. A proposed mechanism for this phenomenon could be described as follows: the dominated existence of continuous and compact protective Al2O3 and Pr2O3 films enhanced the corrosion resistance of the modified Al–Cu alloy during corrosion, while no continuous and compact protective Al2O3 films led to the poor corrosion resistance of the unmodified Al–Cu alloy. [Copyright &y& Elsevier]

Published
2009
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