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George K. Nikas
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Journal Articles

Algebraic Equations for the Pile-Up Geometry in Debris Particle Indentation of Rolling Elastohydrodynamic Contacts

George K. Nikas
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. April 2016, 138(2): 021503.
Paper No: TRIB-15-1191
https://doi.org/10.1115/1.4031516
Published Online: October 27, 2015
View Article titled, Algebraic Equations for the Pile-Up Geometry in Debris Particle Indentation of Rolling Elastohydrodynamic Contacts
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Topics: Algebra, Geometry, Particulate matter, Work hardening, Particle size, Pilings (Building)
Journal Articles

Modeling Dark and White Layer Formation on Elastohydrodynamically Lubricated Steel Surfaces by Thermomechanical Indentation or Abrasion by Metallic Particles

George K. Nikas
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. July 2015, 137(3): 031504.
Paper No: TRIB-14-1315
https://doi.org/10.1115/1.4029944
Published Online: July 1, 2015
View Article titled, Modeling Dark and White Layer Formation on Elastohydrodynamically Lubricated Steel Surfaces by Thermomechanical Indentation or Abrasion by Metallic Particles
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Topics: Particulate matter, Steel, Temperature
Journal Articles

Elastohydrodynamics and Mechanics of Rectangular Elastomeric Seals for Reciprocating Piston Rods

George K. Nikas, Research Associate
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. January 2003, 125(1): 60–69.
https://doi.org/10.1115/1.1506316
Published Online: December 31, 2002
View Article titled, Elastohydrodynamics and Mechanics of Rectangular Elastomeric Seals for Reciprocating Piston Rods
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Topics: Film thickness, Friction, Pressure, Leakage, Pistons, Displacement, Surface roughness, Temperature, Rods, Actuators
Journal Articles

Fatigue Life and Traction Modeling of Continuously Variable Transmissions

George K. Nikas, Research Associate
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. October 2002, 124(4): 689–698.
https://doi.org/10.1115/1.1491976
Published Online: September 24, 2002
View Article titled, Fatigue Life and Traction Modeling of Continuously Variable Transmissions
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Topics: Fatigue life, Film thickness, Fluids, Rollers, Shear stress, Stress, Surface roughness, Traction, Disks, Pressure
Journal Articles

Particle Entrainment in Elastohydrodynamic Point Contacts and Related Risks of Oil Starvation and Surface Indentation

George K. Nikas, Research Associate
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. July 2002, 124(3): 461–467.
https://doi.org/10.1115/1.1467083
Published Online: May 31, 2002
View Article titled, Particle Entrainment in Elastohydrodynamic Point Contacts and Related Risks of Oil Starvation and Surface Indentation
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Topics: Particulate matter, Probability
Journal Articles

An Advanced Model to Study the Possible Thermomechanical Damage of Lubricated Sliding-Rolling Line Contacts From Soft Particles

George K. Nikas, Research Associate
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. October 2001, 123(4): 828–841.
https://doi.org/10.1115/1.1331061
Published Online: August 3, 2000
View Article titled, An Advanced Model to Study the Possible Thermomechanical Damage of Lubricated Sliding-Rolling Line Contacts From Soft Particles
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Topics: Particulate matter, Temperature, Heat, Lubricants
Journal Articles

Mathematical Analysis of the Entrapment of Solid Spherical Particles in Non-Conformal Contacts

George K. Nikas, Research Associate
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. January 2001, 123(1): 83–93.
https://doi.org/10.1115/1.1314605
Published Online: June 29, 2000
View Article titled, Mathematical Analysis of the Entrapment of Solid Spherical Particles in Non-Conformal Contacts
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Topics: Particulate matter, Fluids