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Search Publications by: Richard S. Gates (Assoc)

Displaying 76 - 100 of 116

Deposition and Measurement of Nanoscale Complex Hydrocarbon Films on Magnetic Hard Disk Surfaces

November 16, 2005

Author(s)

Richard S. Gates, Selda Gunsel, Stephen M. Hsu

Measurement of complex hydrocarbon film thickness on engineering surfaces such as magnetic hard disks is difficult if the film thickness is below the peak to valley distance of the surface. Instrument sensitivity and detection accuracy for most of the

Tribochemical Reactions at the Water-Lubricated Silicon Nitride Interface: Gel Formation Mechanism

November 16, 2005

Author(s)

Richard S. Gates, Z C. Ying, Stephen M. Hsu

Silicon-based ceramics such as silicon nitride can be very effectively lubricated by water under certain conditions (1-3). After a wear-in period a condition of very low friction coefficient (

Combinatorial Optimization of Ti/Al/Ti/Au ohmic Contacts to n-GaN

September 11, 2005

Author(s)

Albert Davydov, Abhishek Motayed, William J. Boettinger, Richard S. Gates

Deposition and measurement of nanoscale complex hydrocarbon films on magnetic hard disk surfaces

September 1, 2005

Author(s)

Richard S. Gates, Selda Gunsel, Stephen M. Hsu

Reference Cantilevers for AFM Spring Constant Calibration

September 1, 2005

Author(s)

Richard S. Gates

Tribochemical Reactions at the Water-Lubricated Silicon Nitride Interface: Gel Formation Mechanism

September 1, 2005

Author(s)

Richard S. Gates, Z C. Ying, Stephen M. Hsu

Water Lubrication of Ceramics: Mechanisms of Lubrication

September 1, 2005

Author(s)

Richard S. Gates, Stephen M. Hsu

Boundary Lubricated Wear

July 15, 2005

Author(s)

Stephen M. Hsu, R G. Munro, M C. Shen, Richard S. Gates

This chapter reviews the fundamental nature of wear under lubricated conditions and presents a comprehensive view of our current understanding of the wear processes under boundary lubrication conditions. Wear under lubricated conditions can be classified

Boundary Lubricating Film: Formation and Lubrication Mechanism

March 4, 2005

Author(s)

Stephen M. Hsu, Richard S. Gates

Boundary lubricating films are critical in effective lubrication of engine components. Their formation mechanism has not been fully understood because of the large variations of chemistry and machinery in operation. Various reports on boundary lubricating

Boundary Lubrication and Boundary Lubricating Film

March 3, 2005

Author(s)

Stephen M. Hsu, Richard S. Gates

This chapter offers a comprehensive summary of current understanding in boundary lubrication and the formation of boundary lubricating films. Classical and modern definitions of boundary lubrication are presented which serve to define the scope of boundary

Tribochemistry Between Water and Si 3 N 4 and SiC: Induction Time Analysis

October 1, 2004

Author(s)

Richard S. Gates, Stephen M. Hsu

Avanced ceramics are being considered as one of the potential materials for high temperature steam engines. Silicon nitride and silicon carbide have demonstrated in laboratory bench wear tests that under low loads and medium speed conditions, water is an

Isostructural Self-Assembled Monolayers, Part 2. Methyl-1-(3-Mercaptopropyl)-Oligo(Ethylene Oxide)s

February 17, 2004

Author(s)

David J. Vanderah, T Parr, Vitalii I. Silin, Curtis W. Meuse, Richard S. Gates, H La, Gintaras Valincius

The structural order and, for some, the ordering conditions of the self-assembled monolayers (SAMs) of HSCH2CH2CH2O(EO)xCH3, where EO = CH2CH2O, and x = 3 to 9, on polycrystalline gold (Au) were determined by reflection absorption infrared spectroscopy

Measurement/Calibration Technique for Nanometer Scale Average Film Thickness on Atomically Rough Surfaces Developed

September 1, 2003

Author(s)

Richard S. Gates, Stephen M. Hsu

Current magnetic hard disks are protected by ananometer-thick layer of alcohol functionalized perfluoroakyletherand carbon overcoat. Achievement ofhigher areal density requires further reduction in thespace between the head and the magnetic layer athigher

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