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Search Publications by: Eric Whitenton (Ctr)

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Displaying 76 - 100 of 170

Measurement and Characterization of Dynamics in Machining Chip Segmentation

September 16, 2008
Author(s)
Eric P. Whitenton, Jarred C. Heigel, Robert W. Ivester
Comparing measured chip formation characteristics to those predicted by machining models is an important technique for testing the validity of those models. These characteristics include whether a chip is continuous or segmented, as well as the frequency

High Rate Tensile Strength Measurements of Frangible Bullets Using a Kolsky Bar

June 8, 2008
Author(s)
Steven P. Mates, Richard L. Rhorer, Stephen W. Banovic, Eric P. Whitenton, Richard J. Fields
The tensile strength of frangible bullets is measured by a high rate diametral compression test (DCT) performed with a Kolsky Bar. Frangible bullets, meant to disintegrate on impact by brittle failure, also exhibit significant plasticity in compression. As

A Novel Peak Detection Algorithm for Use in the Study of Machining Chip Segmentation

November 7, 2007
Author(s)
Eric P. Whitenton, Robert W. Ivester, Jarred C. Heigel
The study of how metal deforms and flows as parts are machined yields important insights into the metal cutting process. Improvements in high-speed digital imaging and image processing software promise to improve our understanding of the tool-workpiece

Recent Results from the NIST Pulse-Heated Kolsky Bar

September 3, 2007
Author(s)
Timothy J. Burns, Steven Mates, Richard L. Rhorer, Eric P. Whitenton, Debasis Basak
A Kolsky bar laboratory for measuring dynamic material properties, in support of improved finite-element modeling of high-speed machining processes, has been developed at the National Institute of Standards and Technology (NIST). The NIST split-Hopkinson

Tensile Strength Measurements of Frangible Bullets Using the Diametral Compression Test

May 8, 2007
Author(s)
Steven P. Mates, Richard L. Rhorer, Stephen W. Banovic, Eric P. Whitenton, Richard J. Fields
Frangible bullets are designed to disintegrate on impact against rigid surfaces to avoid ricochet hazards in recreational shooting ranges or law enforcement training facilities. Their behavior against protective soft body armor is therefore quite different

NIST Standard Bullets and Casings Project

January 1, 2007
Author(s)
Jun-Feng Song, Theodore V. Vorburger, Susan M. Ballou, Thomas Brian Renegar, Li Ma, Eric P. Whitenton, David R. Kelley, Robert A. Clary, A Zheng, M Ols
The National INstitute of Standards and Technology (NIST) standard bullets and casings project will provide support to firearm examiners and to the National Integrated Ballistics Information Network (NIBIN) in the United States. The standard bullet is

High Rate Tensile Strength Measurements of Frangible Bullets Using a Kolsky Bar

January 1, 2006
Author(s)
S P. Mates, Richard L. Rhorer, S Banovic, Eric P. Whitenton, Richard J. Fields
The tensile strength of frangible bullets is measured by a high rate diametral compression test (DCT) performed with a Kolsky Bar. Frangible bullets, meant to disintegrate on impact by brittle failure, also exhibit significant plasticity in compression. As

Smart Machining Systems: Issues and Research Trends

November 1, 2005
Author(s)
Laurent Deshayes, Lawrence A. Welsch, Alkan Donmez, Robert W. Ivester, David E. Gilsinn, Richard L. Rhorer, Eric P. Whitenton, Florian Potra
Smart Machining Systems (SMS) are an important part of Life Cycle Engineer-ing (LCE) since its capabilities include: producing the first and every product correct; improving the response of the production system to changes in demand (just in time)
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