Yongsheng Wang

Taiyuan University of Technology

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Shengwang Yu

Taiyuan University of Technology

Junwei Qiao

Taiyuan University of Technology

Jie Gao

Anhui Agricultural University

Ke Zheng

Fujian Normal University

Huijun Yang

Jiangxi University of Science and Technology

Hongjun Hei

Taiyuan University of Technology

Bing Zhou

Shanghai University

Yanxia Wu

Taiyuan University of Technology

Xiaojuan Feng

Hexi University

Guoren Yue

Hexi University

Cooperative Institutions

Taiyuan University of Technology

Chinese Academy of Sciences

University of Science and Technology Beijing

Beijing Jiaotong University

Central South University

University of Chinese Academy of Sciences

Peking University

Sichuan University

Harbin Institute of Technology

Shanghai Jiao Tong University

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Plasticity improvement for dendrite/metallic glass matrix composites by pre-deformation

Materials & Design (2015)

Xiaobo Sun Yongsheng Wang Jianfeng Fan Huijun Yang Shengguo Ma

Work hardening

Dendrite (mathematics)

10.1016/j.matdes.2015.07.109

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Citations (31)

Electroluminescence Dependence on the Organic Thickness in ZnO Nano Rods/Alq<SUB>3</SUB> Heterostructure Devices

Journal of Nanoscience and Nanotechnology (2011)

P. Y. Y. Kan Yongsheng Wang Suling Zhao Zheng Xu Dawei Wang

ZnO nanorods are synthesised by a hydrothermal method on ITO glass. Their crystallization and morphology are detected by XRD and SEM, respectively. The results show that the ZnO nanorod array has grown primarily along a direction aligned perpendicular to the ITO substrate. The average height and diameter of the nanorods is about 130 nm and 30 nm, respectively. Then ZnO nano rods/Alq3 heterostructure LEDs are prepared by thermal evaporation of Alq3 molecules. The thicknesses of the Alq3 layers are 130 nm, 150 nm, 170 nm and 190 nm, respectively. The electroluminescence of the devices is detected under different DC bias voltages. The exciton emission of Alq3 is detected in all devices. When the thickness of Alq3 is 130 nm, the UV electroluminescence of ZnO is around 382 nm, and defect emissions around 670 nm and 740 nm are detected. Defect emissions of ZnO nanorods are prominent. When the thickness of Alq3 increases to over 170 nm, it is difficult to observe defect emissions from the ZnO nano rods. In such devices, the exciton emission of Alq3 is more prominent than other emissions under different bias voltage.

Nanorod

Rod

10.1166/jnn.2011.3808

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Citations (7)

Temperature-dependent deformation behavior of Hastelloy X Ni-based superalloy fabricated via laser powder bed fusion

Materials Science and Engineering A (2024)

Yongsheng Wang Shuhui Li R. Ma Ningshengjie Gao Jianquan Yao

10.1016/j.msea.2024.147402

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Citations (1)

Deformation and mechanical properties of Ti-based metallic glassy composites at various temperature and strain rate

Materials Science and Engineering A (2018)

R.K. Linghu Yongsheng Wang Jinpeng Song Aidong Lan X.M. Wang

Supercooling

Volume fraction

Work hardening

Strain hardening exponent

Deformation mechanism

Dendrite (mathematics)

10.1016/j.msea.2018.08.095

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Citations (3)

Enhancing Wettability of Cu3P/Cu Systems through Doping with Si, Sn, and Zr Elements: Insights from First Principles Analysis

Materials (2023)

Shimeng Yu Cheng Fang Lian He Weigang Tang Yongsheng Wang

Explaining the wetting mechanism of Cu-P brazing materials and Cu remains challenging. This fundamental research aims to reveal the wettability mechanism of Si, Sn, and Zr doping on the interfacial bond strength of the Cu3P/Cu system through the first principles study. We carried out several sets of calculations to test the validity of the result; included in the work are those used to establish the interfacial structure and to analyze the effect of doping on the wettability. Specific analysis was carried out in terms of three aspects: the work of adhesion (Wad), the charge density difference, and the density of states (DOS). The calculated results show that doping with Si, Sn, and Zr elements can effectively improve the wettability within the CuP/Cu interface with very high accuracy, and is particularly effective when doped with Zr. These results provide an insightful theoretical guide for enhancing the CuP/Cu system's wettability by adding active elements.

Brazing

10.3390/ma16062492

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Citations (2)

Quasi-static and dynamic compression behaviors of metallic glass matrix composites

Intermetallics (2015)

Yongsheng Wang G.J. Hao Rui Ma Yong Zhang Jianwei Lin

Matrix (chemical analysis)

Dynamic range compression

Metal matrix composite

10.1016/j.intermet.2014.10.018

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Citations (16)

Optoelectronic Characteristics of Inorganic/Organic Hybrid Device Based on Poly(N-vinylcarbazole)/Cadmium Selenide Thin Films

Journal of Nanoscience and Nanotechnology (2008)

Aiwei Tang Feng Teng Yanbing Hou Sha Xiong Bin Feng

Inorganic/organic hybrid light-emitting diodes were easily fabricated with a thin film containing water-soluble cadmium selenide nanocrystals and poly(N-vinylcarbazole) as an emitting layer by a spin-coating method. The cadmium selenide nanocrystals were synthesized in aqueous solution with L-cysteine hydrochloride as the stabilizer and were transferred from the aqueous solution into chloroform by a cationic surfactant cetyltrimethyl ammonium bromide. A broad emission spanning the whole visible wavelength range was obtained from the inorganic/organic hybrid devices whether poly(N-vinylcarbazole) was present in the devices or not, and the electroluminescence intensity of the devices increased as the applied voltages increased. However, an obvious blue-shift of the wavelength was observed with the increasing applied voltages in the device with poly(N-vinylcarbazole). Accordingly, the emission color of the device made with poly(N-vinylcarbazole) could be tuned from white to blue by varying the applied voltages, but the emission color of the device made without poly(N-vinylcarbazole) was almost constrained in the white region. This can be attributed to a limited contribution of poly(N-vinylcarbazole) emission to the electroluminescence spectra under the higher applied voltage. By comparing the electroluminescence intensity and the current-voltage characteristics of the devices made with and without poly(N-vinylcarbazole), the performance of the device with poly(N-vinylcarbazole) was improved greatly, which indicated that poly(N-vinylcarbazole) played an important role in the carrier injection and transportation in the device with poly(N-vinylcarbazole).

Cadmium selenide

Spin Coating

Ammonium bromide

Solution process

10.1166/jnn.2008.18191

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Citations (4)

Rose-like Cr–Fe robust super-hydrophobic surfaces with high adhesion and corrosion resistance

Journal of Materials Science (2022)

Dandan Ma Hongchun Lin Ke Zheng Hongjun Hei Yong Ma

Abrasion (mechanical)

Superhydrophobic coating