Faculty Directory
Yip-Wah Chung

Professor of Materials Science and Engineering and (by courtesy) Mechanical Engineering


2220 Campus Drive
Cook Hall 2036
Evanston, IL 60208

847-491-3112Email Yip-Wah Chung


Chung Research


Materials Science and Engineering


Ph.D. Physics, University of California at Berkeley, 1977

M.Phil. Physics, University of Hong Kong, 1973

B.S. Physics and Mathematics, University of Hong Kong, 1971

Research Interests

My research is in the area of surface science, tribology, design and characterization of lubricant additives, hard coatings and high-performance alloys

Significant Recognition

  • Fellow, Society of Tribologists and Lubrication Engineers (2005)
  • Innovative Research Award, ASME Tribology Division (2002)
  • Fellow, American Vacuum Society (2000)
  • National Storage Industry Consortium Technical Achievement Award (1999)
  • Fellow, ASM International (1998)
  • Visiting Fellow, Japan Society for Promotion of Science (1997)
  • Ralph A. Teetor Engineering Educator Award (1991)
  • ASME Tribology Division Best Paper Award (1990)
  • Faculty Honor Roll (1990)
  • Teacher of the Year in MSE (1986, 1991)

Significant Professional Service

  • Member, Hong Kong Research Grants Council
  • Member, University Grants Committee
  • Editorial Board, Tribology Letters
  • Editorial Board, Materials Science and Engineering R
  • Secretary, AVS Advanced Surface Engineering Division Executive Committee
  • Program Director, Civil and Mechanical Systems Division, National Science Foundation (2003-2005)
  • Chair, AVS Advanced Surface Engineering Division (2004)
  • American Vacuum Society Board of Directors (1/1998 - 12/1999)
  • Associate Editor, ASME Journal of Tribology (1997-2003)
  • Director, NSF/IUCRC Center for Engineering Tribology (1987-1992)

Selected Publications

  • Li, Yu Sheng; Jang, Seokhoon; Khan, Arman Mohammad; Martin, Tobias V.; Ogrinc, Andrew L.; Wang, Qian; Martini, Ashlie; Chung, Yip Wah; Kim, Seong H., Possible Origin of D- and G-band Features in Raman Spectra of Tribofilms, Tribology Letters (2023).
  • Khan, Arman Mohammad; Ahmed, Jannat; Liu, Shuangbiao; Martin, Tobias; Berkebile, Stephen; Chung, Yip Wah; Wang, Qian, Formation of Wear-Protective Tribofilms on Different Steel Surfaces During Lubricated Sliding, Tribology Letters (2023).
  • Jha, Dipendra; Narayanachari, K. V.L.V.; Zhang, Ruifeng; Keane, Denis T.; Liao, Wei Keng; Choudhary, Alok; Chung, Yip Wah; Bedzyk, Michael J.; Agrawal, Ankit, Enhancing phase mapping for high-throughput X-ray diffraction experiments using fuzzy clustering, SciTePress:507-514 (2021).
  • Liu, Shuangbiao; Wang, Q. Jane; Chung, Yip Wah; Berkebile, Stephen, Lubrication–Contact Interface Conditions and Novel Mixed/Boundary Lubrication Modeling Methodology, Tribology Letters (2021).
  • Ma, Qiang; He, Tao; Khan, Arman Mohammad; Wang, Q.; Chung, Yip Wah, Achieving macroscale liquid superlubricity using glycerol aqueous solutions, Tribology International 160 (2021).
  • Khan, Arman Mohammad; Wu, Hongxing; Ma, Qiang; Chung, Yip Wah; Wang, Q. Jane, Relating Tribological Performance and Tribofilm Formation to the Adsorption Strength of Surface-Active Precursors, Tribology Letters 68(1) (2020).
  • He, Xingliang; Song, Miao; Du, Yao; Shi, Yi; Johnson, Blake A.; Ehmann, Kornel; Chung, Yip-Wah; Wang, Q Jane, Surface hardening of metals at room temperature by nanoparticle-laden cavitating waterjets, Journal of Materials Processing Technology 275 (2020).
  • Chen, Xinjie; Du, Yao; Chung, Yip Wah, Commentary on using H/E and H3/E2 as proxies for fracture toughness of hard coatings, Thin Solid Films 688 (2019).


Inventors: Yip-Wah Chung, Qian Wang, Blake A. Johnson
Title: Lubricant additives, lubricant compositions, and applications of same
U.S. Patent number: 10,745,637
Date issued: 8/18/2020

Inventors: Yip-Wah Chung, Qian Wang, Blake A. Johnson
Title: Lubricant additives, lubricant compositions, and applications of same
U.S. Patent number: 10,414,997
Date issued: 9/17/2019

Inventors: Cameron T. Gross, Yao Du, Xu Zhang, Dieter Isheim, Semyon Vaynman, Yip-Wah Chung, Zilin Jiang, Allan V. Mathai
Title: High temperature steel for steam turbine and other applications
U.S. Patent number: 10316379
Date Issued: 6/11/2019

Inventors: Qian Wang, Xuan Dou, Jiaxing Huang, Yip-Wah Chung
Title: Lubrication material using self-dispersed crumpled graphene balls as additives in oil for friction and wear reduction
U.S. Patent Number: 10,138,439
Date Issued: 11/27/2018

In the Classroom

In addition to teaching regular classes in materials science and engineering, Prof. Chung is involved with the development and teaching of one core course (ISEN 220, Introduction to 21st Century Energy Systems) for the Institute of Energy and Sustainability at Northwestern, focusing on the various renewable and sustainable energy options, personal choices in exercising these options, and the role of energy efficiency.