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Displaying 32326 - 32350 of 74205

Acoustic Emission Source Location in a Thick Steel Plate Using Lamb Modes

January 1, 2007
Author(s)
Marvin A. Hamstad
Using a validated finite-element modeling code, buried out-of-plane (two dimensional code (2D)) and in-plane (three dimensional code (3D)) acoustic emission (AE) dipole point sources were operated at different depths below the top surface of a 25.4 mm (1

Adiabatic Domain Wall Motion and Landau-Lifshitz Damping

January 1, 2007
Author(s)
Mark D. Stiles, Wayne M. Saslow, Michael J. Donahue, A Zangwill
Recent theory and measurements of the velocity of current-driven domain walls in magnetic nanowires have re-opened the unresolved question of whether Landau-Lifshitz damping or Gilbert damping provides the more natural description of dissipative

Anisotropic Wetting on Tunable Micro-Wrinkled Surfaces

January 1, 2007
Author(s)
Jun Y. Chung, Jeffrey Youngblood, Christopher M. Stafford
We demostrate that the buckling instability technique is promising for studying wettability because key elements of surface topography such as surface roughness can be precisely controlled by simple changes in experimental conditions. For demonstration, we
Displaying 32326 - 32350 of 74205