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Featured researches published by Zhiyong Liu.


Advanced Materials Research | 2012

Influence of Carbon Content on Corrosion Resistance Performance of Weathering Steel

Zhiyong Liu; Ji Qing Chen; Wen Liang; Min Hu

The corrosion resistance performance of different carbon content weathering steels were investigated by cycle immersion corrosion test, rust layer micro-analysis and electrochemical impedance spectra techniques. The results show that the corrosion resistance performance is enhanced with decreasing carbon content of weathering steel. And the corrosion potential of rust layer becomes more positive, corrosion current density decreases, the anode dissolution of rust layer is impeded and the rust layer have more protect performance for test steel with decreasing carbon content of weathering steel.


Advanced Materials Research | 2011

Ultra-Low Carbon High Strength Weathering Steels

Zhiyong Liu; Xin Lai He; Shan Wu Yang; Qiang Xue Zhou

The ultra-low carbon high strength weathering steel was trial manufactured. By Optical micrographs observation, scanning electronic microscope (SEM), transmission electronic microscope (TEM), accelerated corrosion test, the corrosion resistant performance of test steel and CortenB steel were studied. The results showed that yield strength, tensile strength, elongation and -40 °C impact energy of test steel reached 510MPa, 600MPa, 22% and 115J, respectively. Corrosion resistance of test steel was superior to that of CortenB. The microstructure of ferrite and bainite, quickly forming adhesive dense rust layers to improve the corrosion resistance of test steel.


Advanced Materials Research | 2011

Alloying Element Nickel Influence on Microstructure and Properties of Weathering Steels

Zhiyong Liu; Xin Lai He; Ji Qing Chen; Shan Wu Yang; Bang Wen Chen; Min Hu; Wen Liang

By testing the mechanical properties, microstructure observation, accelerated corrosion test, the effect of alloying element nickel on microstructure and properties of weathering steels was studied. The results showed that nickel content from 0 to 0.44%(mass percent)have little influence on microstructure and mechanical properties of weathering steels.The corrosion resistance enhanced with increasing nickel content, and nickel content of 0.11% or more had significant enfluence on corrosion resistant performance of weathering steels.


International Journal of Minerals Metallurgy and Materials | 2010

Hydrogen induced cracking of X80 pipeline steel

C. F. Dong; Kui Xiao; Zhiyong Liu; Wen-jing Yang; Xiaogang Li


Archive | 2008

High-strength easy-formation atmospheric corrosion resisting steel

Yulai Song; Bangwen Chen; Jiqing Chen; Min Hu; Zhiyong Liu; Hua Zheng; Yizhong Zhou; Yongjiang Kong; Yang Cheng


International Journal of Minerals Metallurgy and Materials | 2010

Incubation and development of corrosion in microstructures of low alloy steels under a thin liquid film of NaCl aqueous solution

Wenhua Zhang; Shanwu Yang; Jia Guo; Zhiyong Liu; Xinlai He


Archive | 2008

Ultrahigh strength abrasion resistant steel and method of preparing the same

Min Hu; Hua Zheng; Yutao Wang; Jiqing Chen; Yulai Song; Zhiyong Liu; Lin Zheng; Dongming Duan


Archive | 2007

Ultrahigh-strength atmospheric-corrosion resistant steel

Bangwen Chen; Yulai Song; Jiqing Chen; Min Hu; Zhiyong Liu; Hua Zheng


Archive | 2009

Welding structure steel with yield strength of 950MPa grade

Hua Zheng; Min Hu; Changming Liu; Lin Zheng; Zhaojun Deng; Pinghe Li; Jiqing Chen; Yulai Song; Yong Bu; Zhiyong Liu; Dongming Duan


Archive | 2011

Ultra-low carbon hot rolling weathering steel with yield strength larger than 550MPa

Min Hu; Bangwen Chen; Jiqing Chen; Yulai Song; Zhiyong Liu

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Shan Wu Yang

University of Science and Technology Beijing

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Xin Lai He

University of Science and Technology Beijing

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C. F. Dong

University of Science and Technology Beijing

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Jia Guo

University of Science and Technology Beijing

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Kui Xiao

University of Science and Technology Beijing

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Shanwu Yang

University of Science and Technology Beijing

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Wen-jing Yang

University of Science and Technology Beijing

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Wenhua Zhang

University of Science and Technology Beijing

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Xiaogang Li

Chinese Academy of Sciences

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Xinlai He

University of Science and Technology Beijing

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