Xiangjun Zhang

Associate Professor

Room 4501, Building 9003 State Key Laboratory of Tribology Tsinghua University Beijing 100084, China

Tel.: +86-10-62773893

Fax: +86-10-62781379

E-mail: xjzhang-at-tsinghua.edu.cn

属性1 Associate Professor 属性2 Room 4501, Building 9003 State Key Laboratory of Tribology Tsinghua University Beijing 100084, China
属性3 Tel.: +86-10-62773893 属性4 Fax: +86-10-62781379
属性5 E-mail: xjzhang-at-tsinghua.edu.cn 属性6
Education background

Ph.D., Department of Mechanical Engineering, Hefei University of Technology, China, 2000

M.S., Applied Mechanics, Xi’anJiao tong University, China,1993

B.S., Applied Mechanics, XI’AN Jiao tong University, China, 1990

Experience

2003.11-Present, State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, China,Associate Professor

2002.1-2003.11, State Key Laboratory of Tribology, Department of Precision Instruments and Mechanology, Tsinghua University, China, Postdoctoral fellow

1993.7-2001.12, Department of Mechanical Engineering,Hefei University of Technology, China, Lecturer, Associate Professor

Areas of Research Interests/ Research Projects

Lubrication and frictionanalysis of Mechanical system

---The evaluation analysis of lubricant and additive in the practical and extreme conditions

---Friction and lubrication behavior analysis of typical machinery such as motor, gears

Microrheology and boundary slip of nano-scale confined liquids

--- Rheology of microfluidic liquid or thin film under effects of substrate interaction

---Viscoelasticity properties and molecular orientations of complex liquids under nano-scale confinement,shear or electric field (e.g. electrowetting)

---Boundary slip on solid-liquid interface and wall shear stress measurement

Nano-mechanics of AFM and Micro/nano friction (Tribology)

---Interfacial forces using colloid probe in Atomic Force Microscopy

---Stick-slip friction and adhesive contact mechanics at nano-scale

Honors And Awards

The National Natural Sciences Award of Ministry of Education, 2013

Second Prize of Youth Teaching Achievements in Tsinghua University, 2006

Academic Achievement

[1] Xiangjun Zhang, Xiaohao Zhang,XiaoxiQiao, Nanorheology of liquid crystal thin films confined between interfaces with anisotropic molecular orientations . Microfluidics and Nanofluidics,Online,2014.

[2] Zhang Songpeng&, Zhang Xiangjun.A quantitative measurement of wall shear stress using electric capacity sensing of nematic liquid crystal coating。Tribology letters, 2014. Vol.53(1)

[3] QiaoXiaoxi,ZhangXiangjun,YonggangMeng.Boundary layer viscosity of CNT-doped liquid crystals: effects of phase behavior.Rheol Acta,November 2013, Volume 52, Issue 10-12, pp 939-947

[4] Zhang XJ, Huang Y, Guo YB, Tian Y, Meng YG, A Dynamic Rheological Model for Thin-Film Lubrication. Chinese Physics B, 2013, 22(1): 016202.

[5] Zhang Song-Peng; Zhang Xiang-Jun; Tian Yu; Meng Yong-Gang.A quantitative model and experimental investigations of wall shear stress between solid and gaseous fluid using liquid crystal coating. ACTA PHYSICA SINICA, 61(23), 2012

[6] Xiangjun Zhang, Xiaohao Zhang et al. Anti-electroviscous effect of Near-surface 5CB Liquid Crystal and its Boundary Lubrication Property. Rheologica Acta,2011 (on line)

[7] Zhang, Xiangjun; Liu, Xiaoxiang; Zhang, Xiaohao; Tian, Yu; Meng, Yonggang. Ordering of the 7CB liquid crystal induced by nanoscale confinement and boundary lubrication .LIQUID CRYSTALS, 39(11), pp 1305-1313, 2012

[8] Zhang XJ, Huang Y, Guo YB, Tian Y, Meng YG, A Dynamic Rheological Model for Thin-Film Lubrication. Chinese Physics B, 2013, 22(1): 016202.

[9] Zhang, Xiangjun; Huang, Ying; Wang, Yuanyuan; Tian, Yu; Meng, Yonggang. Effects of Inhomogeneous Substrate and Molecular Orientation on the AC Electrowetting Behavior of Liquid Crystal Droplet. JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY, 26(12-17), pp 1985-2000, 2012.

[10] Xiangjun Zhang,Xiaohao Zhang. Finite element modeling of the nano-scale adhesive contact and the geometry-based pull off force. Tribology Letters, Vol.41: 65-72, 2011

[11] T. Haensel, X. Zhang, T. Wüstehoff, X. Zhang, M. Kosinskiy, A. Keppler, S. Krischok, S.I.-U. Ahmed. Kombinierte Fest- und FlüssigschmierungfürNanopositionier- und Nanomessmaschinen. Proceedings of the GfT-Conference, Göttingen, Germany, 2010

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