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Search Publications by: Eric Whitenton (Ctr)

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Displaying 76 - 86 of 86

SRM 2460/2461 Standard Bullets and Casings Project

July 10, 2002
Author(s)
Jun-Feng Song, Eric P. Whitenton, David R. Kelley, Robert A. Clary, L Ma, Susan M. Ballou, M Ols
The National Institute of Standards and Technology (NIST) Standard Reference Material (SRM) 2460/2461 standard bullets and casings project will provide support to firearms examiners and to the National Integrated Ballistics Information Network (NIBIN) in

Visualization of Grit Interaction During the Ductile to Brittle Polishing Transition

May 1, 2001
Author(s)
Richard B. Mindek, Christopher J. Evans, Eric P. Whitenton
Dual strobe and single strobe once per revolution imaging techniques are employed on the Rapidly Renewable Lap (RRL) to study the ductile to brittle transition observed during the polishing of silicon and calcium flouride. Analysis of video images during

NIST Random Profile Roughness Specimens and Standard Bullets

January 1, 2000
Author(s)
Jun-Feng Song, Theodore V. Vorburger, Robert A. Clary, Michael L. McGlauflin, Eric P. Whitenton, Christopher J. Evans
Based on the numerical controlled (NC) diamond turning process used previously for manufacturing random profile roughness specimens, two prototype standard bullets were developed at the National Institute of Standards and Technology (NIST). These standard

NIST Random Profile Roughness Specimens and Standard Bullets

January 1, 2000
Author(s)
Jun-Feng Song, Theodore V. Vorburger, Christopher J. Evans, Michael L. McGlauflin, Eric P. Whitenton, Robert A. Clary
Based on the numerical controlled (NC) diamond turning process used previously for manufacturing random profile roughness specimens, two prototype standard bullets were developed at the National Institute of Standards and Technology (NIST). These standard

Acoustic Emission Monitoring of High Speed Grinding of Silicon Nitride

January 1, 1999
Author(s)
T W. Hwang, Eric P. Whitenton, Nelson N. Hsu, Gerald V. Blessing, Christopher J. Evans
Acoustic emission monitoring of a machining process offers real-time sensory input which could provide tool condition and part quality information that is critical to effective process control. But the choice of sensor, its placement, and how to process

NIST Virtual/Physical Random Profile Roughness Calibration Standards

October 1, 1998
Author(s)
Jun-Feng Song, Christopher J. Evans, Michael L. McGlauflin, Eric P. Whitenton, Theodore V. Vorburger, Y B. Yuan
The NIST (National Institute of Standards and Technology) virtual/physical surface roughness calibration standard consists of physical specimens whose surfaces are manufactured by a numerically controlled diamond-turning process using digitized profiles

Stylus-Laser Surface Calibration System

October 1, 1996
Author(s)
Theodore V. Vorburger, Jun-Feng Song, T Giauque, Thomas Brian Renegar, Eric P. Whitenton, M Croarkin
A stylus-laser surface calibration system was developed to calibrate the NIST sinusoidal roughness Standard Reference Materials (SRM) 2071-2075. Step height standards are used to calibrate the stylus instrument in the vertical direction, and a laser

Measurement and Analysis of Forces in Grinding of Silicon Nitride

January 1, 1995
Author(s)
S Jahanmir, T W. Hwang, Eric P. Whitenton, S Job, Christopher J. Evans
Using an instrumented surface grinder, the two components of grinding forces (normal and tangential) were measured for different types of silicon nitride ceramics. The influences of grinding parameters, such as down feed and table speed, and grinding

Methods Divergence Between Measurements of Micrometer and Sub-Micrometer Surface Features

January 1, 1994
Author(s)
T Mcwaid, Theodore V. Vorburger, Joseph Fu, Jun-Feng Song, Eric P. Whitenton
Measurements of micrometer and sub-micrometer surface features have been made using a stylus profiler, an STM, an AFM, and a phase-measuring interferometric microscope. The differences between measurements of the same surface feature as obtained with the