1-12 of 12
Yip-Wah Chung
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Contacting Micro Asperity of a Deformable Surface

Shuangbiao Liu, Nicole Dorcy, Q. Jane Wang, Yip-Wah Chung, Stephen Berkebile
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2023, 145(11): 111501.
Paper No: TRIB-22-1432
https://doi.org/10.1115/1.4062576
Published Online: July 17, 2023
View Article titled, Contacting Micro Asperity of a Deformable Surface
Open the PDF for Contacting Micro Asperity of a Deformable Surface in another window
Topics: Pressure, Surface roughness, Finite element analysis, Plasticity
Proceedings Papers

Ultrathin CN x Overcoats for 1 Tb/in 2 Hard Disk Drive Systems

De-Jun Li, Murat U. Guruz, Yip-Wah Chung
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 61-64, October 21–24, 2001
Publisher: American Society of Mechanical Engineers
Paper No: TRIB-NANO2001-108
https://doi.org/10.1115/TRIB-NANO2001-108
View Paper titled, Ultrathin CN x Overcoats for 1 Tb/in 2 Hard Disk Drive Systems
Open the PDF for Ultrathin CN x Overcoats for 1 Tb/in 2 Hard Disk Drive Systems in another window
Topics: Disks, Rotation, Atomic force microscopy, Carbon, Corrosion, Damage, Momentum, Silicon, Sputtering (Irradiation), Surface roughness
Journal Articles

Investigation of Shear-Thinning Behavior on Film Thickness and Friction Coefficient of Polyalphaolefin Base Fluids With Varying Olefin Copolymer Content

Thomas J. Zolper, Yifeng He, Massimiliano Delferro, Paul Shiller, Gary Doll, Babak LotfizadehDehkordi, Ning Ren, Frances Lockwood, Tobin J. Marks, Yip-Wah Chung, Aaron Greco, Ali Erdemir, Qian Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. March 2017, 139(2): 021504.
Paper No: TRIB-16-1030
https://doi.org/10.1115/1.4033716
Published Online: August 11, 2016
View Article titled, Investigation of Shear-Thinning Behavior on Film Thickness and Friction Coefficient of Polyalphaolefin Base Fluids With Varying Olefin Copolymer Content
Open the PDF for Investigation of Shear-Thinning Behavior on Film Thickness and Friction Coefficient of Polyalphaolefin Base Fluids With Varying Olefin Copolymer Content in another window
Topics: Density, Film thickness, Fluids, Friction, Molecular weight, Pressure, Shear (Mechanics), Viscosity, Copolymers, Shear stress
Journal Articles

Correlation of Polysiloxane Molecular Structure to Shear-Thinning Power-Law Exponent Using Elastohydrodynamic Film Thickness Measurements

Thomas J. Zolper, Paul Shiller, Manfred Jungk, Tobin J. Marks, Yip-Wah Chung, Aaron Greco, Gary Doll, Babak LotfizadehDehkordi, Qian Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. July 2015, 137(3): 031503.
Paper No: TRIB-14-1192
https://doi.org/10.1115/1.4029940
Published Online: July 1, 2015
View Article titled, Correlation of Polysiloxane Molecular Structure to Shear-Thinning Power-Law Exponent Using Elastohydrodynamic Film Thickness Measurements
Open the PDF for Correlation of Polysiloxane Molecular Structure to Shear-Thinning Power-Law Exponent Using Elastohydrodynamic Film Thickness Measurements in another window
Topics: Film thickness, Shear (Mechanics), Temperature, Viscosity, Lubricants, Fluids, Pressure, Stress, Siloxanes, Rheology
Journal Articles

Modeling Polysiloxane Volume and Viscosity Variations With Molecular Structure and Thermodynamic State

Thomas J. Zolper, Manfred Jungk, Tobin J. Marks, Yip-Wah Chung, Qian Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. January 2014, 136(1): 011801.
Paper No: TRIB-13-1029
https://doi.org/10.1115/1.4025301
Published Online: October 7, 2013
View Article titled, Modeling Polysiloxane Volume and Viscosity Variations With Molecular Structure and Thermodynamic State
Open the PDF for Modeling Polysiloxane Volume and Viscosity Variations With Molecular Structure and Thermodynamic State in another window
Topics: Pressure, Temperature, Viscosity, Rheology, Siloxanes
Proceedings Papers

Bismuth Lubrication of Rail-Armature Interface

Peter Hsieh, Gautam Ghosh, Morris E. Fine, Yip-Wah Chung, Jane Wang, Mark Crawford
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 1045-1046, October 22–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2007-44300
https://doi.org/10.1115/IJTC2007-44300
View Paper titled, Bismuth Lubrication of Rail-Armature Interface
Open the PDF for Bismuth Lubrication of Rail-Armature Interface in another window
Topics: Lubrication, Rails, Metals, Electrical resistance, Friction, Lubricants, Melting point, Wear
Proceedings Papers

Measurements of Thickness, Surface Roughness and Corrosion Performance of 1-10 nm Thick CN x Films

Dejun Li, Yanfeng Chen, Yip-Wah Chung
Proc. ASME. TRIB2003, Magnetic Storage Symposium: Frontiers of Magnetic Hard Disk Drive Tribology and Technology, 99-102, October 26–29, 2003
Publisher: American Society of Mechanical Engineers
Paper No: 2003-TRIB-344
https://doi.org/10.1115/2003-TRIB-344
View Paper titled, Measurements of Thickness, Surface Roughness and Corrosion Performance of 1-10 nm Thick CN x Films
Open the PDF for Measurements of Thickness, Surface Roughness and Corrosion Performance of 1-10 nm Thick CN x Films in another window
Topics: Corrosion, Surface roughness, Reflectance, Rotation, X-rays, Carbon, Currents, Density, Film thickness, Sputtering (Irradiation)
Proceedings Papers

Study of Small-Scale Friction at Elevated Temperatures

Bo He, Q. Jane Wang, Yip-Wah Chung
Proc. ASME. WTC2005, World Tribology Congress III, Volume 1, 949-950, September 12–16, 2005
Publisher: American Society of Mechanical Engineers
Paper No: WTC2005-64371
https://doi.org/10.1115/WTC2005-64371
View Paper titled, Study of Small-Scale Friction at Elevated Temperatures
Open the PDF for Study of Small-Scale Friction at Elevated Temperatures in another window
Topics: Friction, Temperature, Carbon steel, High temperature, Steel
Journal Articles

Synthesis of Coatings With Hardness Exceeding 40 GPa by Magnetron Sputtering

Mei-Ling Wu, Zunde Yang, Yip-Wah Chung, Ming-Show Wong, William D. Sproul
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 1998, 120(2): 179–183.
https://doi.org/10.1115/1.2834406
Published Online: April 1, 1998
View Article titled, Synthesis of Coatings With Hardness Exceeding 40 GPa by Magnetron Sputtering
Open the PDF for Synthesis of Coatings With Hardness Exceeding 40 GPa by Magnetron Sputtering in another window
Topics: Coatings, Sputtering (Irradiation), Mechanical properties, Pressure, Atomic force microscopy, Augers, Diamonds, Electron microscopy, Electron spectroscopy, Nanoindentation
Journal Articles

Tribological Behavior of Amorphous Carbon Nitride Overcoats for Magnetic Thin-Film Rigid Disks

Eric C. Cutiongco, Dong Li, Yip-Wah Chung, C. Singh Bhatia
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1996, 118(3): 543–548.
https://doi.org/10.1115/1.2831572
Published Online: July 1, 1996
View Article titled, Tribological Behavior of Amorphous Carbon Nitride Overcoats for Magnetic Thin-Film Rigid Disks
Open the PDF for Tribological Behavior of Amorphous Carbon Nitride Overcoats for Magnetic Thin-Film Rigid Disks in another window
Topics: Carbon, Disks, Thin films, Tribology, Coatings, Durability, Nitrogen, Plasmas (Ionized gases), Sputtering (Irradiation), Surface roughness
Journal Articles

The Contact Between Rough Surfaces With Longitudinal Texture—Part I: Average Contact Pressure and Real Contact Area

Hirotoshi Aramaki, Herbert S. Cheng, Yip-Wah Chung
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1993, 115(3): 419–424.
https://doi.org/10.1115/1.2921653
Published Online: July 1, 1993
View Article titled, The Contact Between Rough Surfaces With Longitudinal Texture—Part I: Average Contact Pressure and Real Contact Area
Open the PDF for The Contact Between Rough Surfaces With Longitudinal Texture—Part I: Average Contact Pressure and Real Contact Area in another window
Topics: Pressure, Surface roughness, Texture (Materials), Bearings, Elasticity
Journal Articles

The Contact Between Rough Surfaces With Longitudinal Texture—Part II: Flash Temperature

Hirotoshi Aramaki, Herbert S. Cheng, Yip-Wah Chung
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1993, 115(3): 425–431.
https://doi.org/10.1115/1.2921654
Published Online: July 1, 1993
View Article titled, The Contact Between Rough Surfaces With Longitudinal Texture—Part II: Flash Temperature
Open the PDF for The Contact Between Rough Surfaces With Longitudinal Texture—Part II: Flash Temperature in another window
Topics: Surface roughness, Temperature, Texture (Materials), Bearings, Numerical analysis