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Dive into the research topics where Wang Yongguang is active.

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Featured researches published by Wang Yongguang.


Science China-technological Sciences | 2012

Effect of the number of layers on the bond strength for multi-layer brittle coating-substrate system

Wang Yongguang; Ni Zifeng; Chen GuoZhong; Chen AnQi; Su YongShuai; Zhao Yong-wu

Finite element method (FEM) was used to investigate the effect of the number of layers on the bond strength for the brittle coating/substrate materials at contact load condition, which has not been addressed previously. The maximum shear stress was used to act as the criterion of the bonded strength. This paper discussed the relationship between the number of coating layers and the maximum shear stress of the layer/substrate interface. Firstly, the results of the FEM and the Hertz analytical method were compared to verify the accuracy of the FEM model. It was found that with the increase in the number of coating layers, the position of the suddenly changed stress along the z axis is transformed from the interface to the external surface of the coating. Finally, the increase in the number of layers contributes to the decrement of the stress along the x axis.


Journal of Semiconductors | 2010

Modeling and experimental research on a removal mechanism during chemical mechanical polishing at the molecular scale

An Wei; Zhao Yong-wu; Wang Yongguang

In order to understand the fundamentals of the chemical mechanical polishing (CMP) material removal mechanism, the indentation depth of a slurry particle into a wafer surface is determined using the in situ nanomechanical testing system tribo-indenter by Hysitron. It was found that the removal mechanism in CMP is most probably a molecular scale removal theory. Furthermore, a comprehensive mathematical model was modified and used to pinpoint the effects of wafer/pad relative velocity, which has not been modeled previously. The predicted results based on the current model are shown to be consistent with the published experimental data. Results and analysis may lead to further understanding of the microscopic removal mechanism at the molecular scale in addition to its underlying theoretical foundation.


Archive | 2015

Graphene-reinforced titanium-based composite and preparation method thereof

Chen Yao; Song Ying; Liu Weiwei; Zhao Dong; Wang Yongguang; Xing Zhanwen; Qi Fei


Archive | 2015

Oxidizing agent-free alkaline aluminum alloy polishing liquid and preparation method thereof

Wang Yongguang; Chen Yao; Qi Fei; Zhao Dong; Zhang Dalin; Zhao Yong-wu


Archive | 2015

Corrosion resistant ceramic paint and preparation method thereof

Wang Yongguang; Zhao Yong-wu; Chen Yao; Qi Fei; Zhao Dong; Ma Songtao


Archive | 2017

Coating on surface of low-speed heavy-duty gear and preparation method of coating

Wang Yongguang; Qian Zhihua; Zhang Hua; Chen Yao; Liu Weiwei


Archive | 2017

Graphene-reinforced biphase metal aluminide composite material and preparation method thereof

Chen Yao; Song Ying; Liu Weiwei; Wang Yongguang; Zhou Bo; Zhao Dong


Runhua Yumifeng | 2016

遺伝的アルゴリズムに基づくニューラルネットワークを最適化するマグネシウム合金化学機械研磨材料除去モデル【JST・京大機械翻訳】

Wang Yongguang; Chen Yao; Zhao Yong-wu; Yang Dalin; Wang Hongyue


Runhua Yumifeng | 2016

Simulation of Material Removal in Magnesium Alloy Chemical Mechanical Polishing by Neural Network and Genetic Algorithm

Wang Yongguang; Chen Yao; Zhao Yong-wu; Yang Dalin; Wang Hongyue


Archive | 2016

Nano YAG coating layer, and preparation method and application of nano YAG coating layer

Zhao Dong; Chen Yao; Wang Zhuanyang; Wang Yongguang; Liu Weiwei

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An Wei

Jiangnan University

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