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Nonlinear Response of Soap and Synthetic Base Greases
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The majority of non-Newtonian materials exhibit an out-of-phase stress-strain relationship (i.e., evidenced by the fundamental and associated harmonics) over a wide range of frequencies. This ...
Nanoindentation Hardness Tests Using a Point Contact Microscope
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Point Contact Microscope (PCM), developed in NTT’s Kaneko Research Laboratory, is used to conduct hardness tests on polycarbonate and gold at indentation depths in the range of about 5-100 ...
The Influence of Air-Bearing Surface Geometry on the Dynamics of Sliders
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We investigate the influence of crown on slider dynamics during the takeoff stages of disk drives using the multi-channel laser interferometer. We show that a two-dimensional analysis of slider ...
Friction Measurements of Ultra-Thin Carbon Overcoats in Air
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The friction force as a function of humidity was measured between thin carbon films coated onto mica surfaces. The friction force was found to be proportional to the area of contact. The ...