Manufacturing Engineering and Engineering Management

City University of Hong Kong

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Dr. LI, K.Y., Lawrence

Associate Professor BSc-MechE(Birmingham), PhD(Birmingham) Email: mekyli@cityu.edu.hk Research Areas: Surface coatings, Tribology

Education

• BSc (Mechanical Engineering) 1982, The University of Birmingham, UK
• PhD (Mechanical Engineering) 1988, The University of Birmingham, UK

Relevant Experience and Accomplishments

• Research Associate, National Engineering Laboratory/ The University of Birmingham (1984-1987):- R&D work in water-based axial piston pump to be used in North Sea underwater oil rig engineering work



• Automation Consultant, Inco Alloys Ltd., Hereford, UK (1987-1989):- Automation in nickel-based alloys production work



• ACARL (2000-present):- With about HK$20M support from the HKITC and industry, planned and established the Advanced Coatings Applied Research Laboratory (ACARL) at CityU. A range of research focused on superhard nanocomposite coating and friction reduction tribological films was conducted. Contracted research works from International renowned companies such as GM, SKF, Johnson Electric, etc. were secured.

Services to Professional Community

• Member of Editorial Board - Proc IMechE, Part J, Journal of Engineering Tribology
• Member of Editorial Board - International Journal of Surface Science and Engineering

Publications

    Refereed Journal Publications                     71
    Book Chapters                                      3
    Refereed papers in Conference Proceedings         36
_____________________________________________________________
    Total                                            110
    SCI Citation (Apr 2008)                          291
    US Patents granted                                 1
	

Selected Recent Publications in Various Subject Areas

Coatings

1. A.Vyas, Y.G.Shen, Z.F.Zhou, K.Y.Li, "Nano-structured CrN/CNx multilayer films deposited by magnetron sputtering", COMPOSITES SCIENCE AND TECHNOLOGY, (2007) in press.
2. P.L.Tam, Z.F.Zhou, P.W.Shum, K.Y.Li, "Structural, mechanical, and tribological studies of Cr-Ti-Al-N coating with different chemical compositions", THIN SOLID FILMS, 2007, in press
3. Y.H.Lu, Y.G.Shen, Z.F.Zhou, K.Y.Li, "Phase configuration, nanostructure evolution, and mechanical properties of unbalanced magnetron-sputtered Ti-Cx-Ny thin films", JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A, 2007, 25(6) pp 1539-1546
4. Y.H.Lu, Y.G.Shen, J.P.Wang, Z.F.Zhou, K.Y.Li, "Structure and hardness of unbalanced magnetron sputtered TiBxNy thin films deposited at 500 C", SURFACE AND COATING TECHNOLOGY, vol. 201, pp. 7368-7374, 2007
5. T.Fu, Y.G.Shen, Z.F.Zhou, K.Y.Li, "Thermal stability of sputter deposited nanocrystalline W2N/amorphous Si3N4 coatings", JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A, vol. 24 (6), pp. 2094-2099, NOV/DEC 2006
6. Y.H.Lu, Y.G.Shen, K.Y.Li, "Nanostructured two-phase nc-TiN/a-(TiB2, BN) nanocomposite thin films", APPLIED SURFACE SCIENCE, vol. 253, pp. 1631-1638, 2006
7. C.H.Zhang, X.C.Lu, H.Wang, J.B.Luo, Y.G.Shen, K.Y.Li, "Microstructure, mechanical properties, and oxidation resistance of nanocomposite Ti-Si-N coatings", APPLIED SURFACE SCIENCE, vol. 252, pp. 6141-6153, 2006
8. Vyas, K.Y.Li, "Synthesis and characterization of CNx/TiN multilayers on Si(100) substrates", SURFACE AND COATING TECHNOLOGY, vol. 200, pp. 2293-2300, 2005
9. Y.H.Lu, Z.K.Xu, H.Chen, Y.G.Shen, K.Y.Li, "Effect of B content on nanostructure evolution and twinning deformation of nanocrystallite in nc-Ti(N,B)/a-(TiB2, BN) nanocomposite thin films", APPLIED PHYSICS LETTERS, vol. 87 (15), OCT 2005
10. P.W.Shum, K.Y.Li, Y.G.Shen, "Improvement of high-speed turning performance of Ti-Al-N coatings by using a pre-treatment of high-energy ion implantation", SURFACE AND COATING TECHNOLOGY, vol. 198, pp. 414-419, JUL 2005
11. P.W.Shum, K.Y.Li, Z.F.Zhou, Y.G.Shen, "Structural and mechanical properties of titanium-aluminium-nitride films deposited by reactive close-field unbalanced magnetron sputtering, SURFACE AND COATING TECHNOLOGY, vol. 185, pp. 245-253, 2004
12. P.W. Shum, Z.F. Zhou, K.Y.Li, "Optimisation of carbon implantation pre-treatments on the adhesion strength of amorphous carbon coatings on AISI440C steel substrates", SURFACE AND COATING TECHNOLOGY, vol. 166, pp. 213-220, 2003
13. K.Y.Li, Z.F.Zhou, I.Bello, C.S.Lee, S.T.Lee, "Mechanical and tribological properties of diamond-like carbon films prepared on steel by ECR-CVD process", DIAMOND AND RELATED MATERIALS, vol. 10/9-10, pp. 1855-1861, AUG 2001

Tribology -- Wear

1. Y.H.Lu, Y.G.Shen, Z.F.Zhou, K.Y.Li, "Effects of B content and wear parameters on dry sliding wear behaviours of nanocomposite Ti-B-N thin films", WEAR, vol. 262, pp. 1372-1379, 2007
2. K.H.Lau, K.Y.Li, Y.W.Mai, "Influence of hardness ratio on scratch failure of coatings", IJSurfSE (INTERNATIONAL JOURNAL OF SURFACE SCIENCE AND ENGINEERING) - Inaugural issue INDERSCIENCE, vol. 1. no.1, pp. 3-21, 2007.
3. P.W.Shum, Z.F.Zhou, K.Y.Li, "Enhancement of adhesion strength and tribological performance of pure carbon coating on Ti-6Al-=4V biomaterials with ion implantation pre-treatment", TRIBOLOGY INTERNATIONAL, vol. 40, issue 2, pp. 313-318, FEB 2007
4. K.H.Lau, K.Y.Li, "Correlation between adhesion and wear behaviour of commercial carbon based coating", TRIBOLOGY INTERNATIONAL, vol. 39, pp. 115-123, 2006
5. K.Y.Li, Z.F.Zhou, I. Bello, C.S.Lee, S.T.Lee, "Study of tribological performance of ECR-CVD diamond-like carbon coatings on steel substrates, Part 1. The effect of processing parameters and operating conditions", WEAR, vol. 258, pp. 1577-1588, 2005
6. K.Y.Li, Z.F.Zhou, I. Bello, C.S.Lee, S.T.Lee, "Study of tribological performance of ECR-CVD diamond-like carbon coatings on steel substrates, Part 2. The analysis of wear mechanism", WEAR, vol. 258, pp. 1589-1599, 2005
7. P.W.Shum, W.C.Tam, K.Y.Li, Z.F.Zhou, Y.G.Shen, "Mechanical and tribological properties of titanium-aluminium-nitride films deposited by reactive close-field unbalanced magnetron sputtering", WEAR, vol. 257, pp. 1030-1040, 2004
8. P.W. Shum, Z.F. Zhou, K.Y.Li, "Tribological performance of amorphous carbon films prepared on steel substrates with carbon implantation pre-treatment", WEAR, vol. 256, pp. 362-373, 2004
9. P.W. Shum, Z.F. Zhou, K.Y.Li, "Optimisation of carbon implantation pre-treatments on the adhesion strength of amorphous carbon coatings on AISI440C steel substrates", SURFACE AND COATING TECHNOLOGY, vol. 166, pp. 213-220, 2003
10. K.Y.Li, Z.F.Zhou, I.Bello, C.S.Lee, S.T.Lee, "Mechanical and tribological properties of diamond-like carbon films prepared on steel by ECR-CVD process", DIAMOND AND RELATED MATERIALS, vol. 10/9-10, pp. 1855-1861, AUG 2001
11. X.C. Lu, K.Y. Li, B. Shi, J.B. Luo, Jong-I. Mou, "Nanoindentation and nanotribological behaviour of Fe-N/Ti-N multilayers with different thickness of Ti-N layers", WEAR, vol. 251, pp. 1144-1149, OCT 2001
12. J.Siu, K.Y.Li, "An Investigation of the Effect of Surface Roughness and Coating Thickness on the Friction and Wear Behaviour of Steel with MoST Coating", WEAR, vol. 237, pp. 283-287, 2000

Tribology -- Rough EHL

1. C.J.Hooke, K.Y.Li, G.Morales, "Rapid calculation of pressures and clearances in rough, rolling-sliding elastohrodynamic contacts under pure rolling. Part 1: Low Amplitude, Sinusoidal Roughness", PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, vol. 221, no. 5, pp. 535-549, 2007
2. C.J.Hooke, K.Y.Li, G.Morales, "Rapid calculation of pressures and clearances in rough, rolling-sliding elastohrodynamic contacts under pure rolling. Part 2: General Roughness", PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, vol. 221, no. 5, pp. 551-562, 2007
3. C.J.Hooke, K.Y.Li, "Rapid calculation of pressures and clearances in rough, elastohrodynamically lubricated contacts under pure rolling. Part 1: low amplitude, sinusoidal roughness", PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, vol. 220, pp. 901-913, 2006
4. C.J.Hooke, K.Y.Li, "Rapid calculation of pressures and clearances in rough, elastohrodynamically lubricated contacts under pure rolling. Part 1: low amplitude, sinusoidal roughness", PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, vol. 220, pp. 915-925, 2006
5. C.J.Hooke, K.Y.Li, "Validation of the stress predictions in rolling EHL contacts having in-line roughness using the inverse method", JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, vol. 128, pp. 745-752, OCT 2006
6. C.J. Hooke, K.Y. Li, "Use of the inverse method to check the stress predictions in rough EHL contacts lubricated with a non-Newtonian fluid for a range of asperity geometries", PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, pp.935-944
7. C.J. Hooke, K.Y.Li, "An Inverse Approach to the Validation of Pressure Predictions in Rough Elasto-hydrodynamic Contacts", JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME , vol. 124, pp. 103-108, JAN 2002
8. K.Y.Li, C.J. Hooke, "Use of the Inverse Approach to Investigate the Stresses in Rough Elasto-hydrodynamic Contacts", JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME , vol. 124, pp. 109-113, JAN 2002

Others

1. F.Y.Cheung, Z.F.Zhou, A.Geddam, K.Y.Li, "Cutting edge preparation using magnetic polishing and its influence on the performance of high-speed steel drills", JOURNAL of MATERIAL PROCESSING TECHNOLOGY, (2008) in press
2. K.Y.Li, "Some Refinements on Peer Assessment on Group Project", ASSESSMENT AND EVALUATION IN HIGHER EDUCATION, vol. 26, no. 1, pp. 5-18, FEB 2001

Last modified on 20 January, 2009

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