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Search Publications by: Eric Whitenton (Ctr)

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Displaying 101 - 125 of 170

The NIST Kolsky Bar Data Processing System

June 7, 2005
Author(s)
Eric P. Whitenton
A new dynamic testing apparatus has been built at the National Institute of Standards and Technology (NIST) to measure dynamic material properties for machining simulation and other applications. This apparatus-the NIST Pulse Heated Kolsky Bar - is based

Comparison of Measurements and Simulations for Machining of Aluminum

May 1, 2005
Author(s)
Robert W. Ivester, Eric P. Whitenton, Laurent Deshayes
This paper compares experimental measurements and model-based simulations of cutting temperature, force, and chip thickness for machining of aluminum. Cutting temperatures have been measured using high-speed infrared videography, and forces have been

Simultaneous Visible and Thermal Imaging of Metals During Machining

March 28, 2005
Author(s)
Eric P. Whitenton, Robert W. Ivester, Howard W. Yoon
In order to investigate temperatures reached during orthogonal metal cutting, a novel approach for measuring temperatures at the tool-chip interface has been developed based on high-speed thermography. A thermal infrared camera and a visible camera

2D and 3D Surface Texture Comparisons Using Autocorrelation Functions

January 1, 2005
Author(s)
Jun-Feng Song, Li Ma, Eric P. Whitenton, Theodore V. Vorburger
Autocorrelation and cross-correlation functions are proposed for 2D and 3D surface texture comparisons. At the maximum correlation point of the two correlated surface textures, there is a peak shown at the cross-correlation curve. It is proposed to

2D and 3D Surface Texture Comparisons Using Autocorrelation Functions

January 1, 2005
Author(s)
Jun-Feng Song, Li Ma, Eric P. Whitenton, Theodore V. Vorburger
Autocorrelation and cross-correlation functions are proposed for 2D and 3D surface texture comparisons. At the maximum correlaton point of the two correlated surface textrues, there is a peak shown at the cross-correaltion curve. It is proposed to generate

Smart Machining Systems: Issues and Research Trends

January 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) should be an important part of Life Cycle Engineering (LCE) since its capabilities are: producing the first and every product correct; improving the response of the production system to changes in demand (just in time)

Influence of Heating Rate on Flow Stress in High-Speed Machining Processes

April 1, 2004
Author(s)
Timothy J. Burns, Robert W. Ivester, Michael Kennedy, Richard L. Rhorer, Matthew A. Davies, Howard Yoon, Lyle E. Levine, Richard J. Fields, D Basak, Eric P. Whitenton
For several decades, a major focus of machining research has been the measurement and prediction of temperature. Here, the influence of the rate of heating on the flow stress, and the implications of this for finite-element modeling of high speed metal

Initial Measurement Results for 20 NIST RM 8240 Standard Bullets

January 1, 2004
Author(s)
Li Ma, Jun-Feng Song, Eric P. Whitenton, Theodore V. Vorburger, J Zhou, A Zheng
The SRM (Standard Reference Material) 2460 standard bullets are developed at the National Institute of Standards and Technology (NIST) to support the National Integrated Ballistics Information Network (NIBIN), recently established by the Bureau of Alcohol

Initial Measurement Results for 40 NIST RM 8240 Standard Bullets

January 1, 2004
Author(s)
Jun-Feng Song, Eric P. Whitenton, Li Ma, Theodore V. Vorburger, A Zheng
The RM (Reference Material) 8240 standard bullets are developed at the National Institute of Standards and Technology (NIST) to support the National Integrated Ballistics Information Network (NIBIN), recently established by the Bureau of Alcohol, Tobacco

Progress Towards SI Traceable Force Metrology for Nanomechanics

January 1, 2004
Author(s)
David B. Newell, Eric P. Whitenton, John A. Kramar, Jon R. Pratt, Douglas T. Smith
This paper is based, in its entirety, on NIST-approved publications: Calibration of Piezoresistive Cantilever Force Sensors Using the NIST Electrostatic Force Balance, The NIST Electrostatic Force Balance Experiment, The NIST Microforce Realization and

Progress Towards Systeme International d'Unites Traceable Force Metrology for Nanomechanics

January 1, 2004
Author(s)
Jon R. Pratt, Douglas T. Smith, David B. Newell, John A. Kramar, Eric P. Whitenton
Recent experiments with the National Institute of Standards and Technology (NIST) Electrostatic Force Balance (EFB) have achieved agreement between an electrostatic force and a gravitational force of 10^(-5) N to within a few hundred pN/¿N. This result
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