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Search Publications by: Howard W. Yoon (Fed)

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Displaying 176 - 200 of 280

A SURF Beamline for Synchrotron Source-Based Absolute Radiometry

February 1, 2003
Author(s)
Ping-Shine Shaw, Uwe Arp, Howard W. Yoon, Robert D. Saunders, Albert C. Parr, Keith R. Lykke
A new source-based radiometry beamline at Synchrotron Ultraviolet Radiation Facility (SURF III) was constructed recently. The goal of this beamline is to establish a national source standard with wide spectral range from far UVto IR by using the

Calibrated thermal microscopy of the tool-chp interface in machining

January 1, 2003
Author(s)
Matthew A. Davies, Howard W. Yoon, Tony L. Schmitz, Timothy J. Burns, Michael Kennedy
This paper presents the results of calibrated, microscopic measurement of the temperature fields at the tool-chip interface during the steady-state, orthogonal machining of AISI 1045 steel. The measurement system consists of a nearly diffraction limited

Constitutive Model Data for Machining Simulation Using the NIST Pulse-Heat Kolsky Bar

January 1, 2003
Author(s)
Eric P. Whitenton, Michael Kennedy, Matthew A. Davies, Gerald V. Blessing, Brian S. Dutterer, Richard L. Rhorer, Howard W. Yoon, Richard J. Fields, D Basak, Timothy J. Burns
A new facility for dynamic material testing using a traditional Kolsky bar with the addition of controlled electrical-resistive pulse heating has been established at the National Institute of Standrds and Technology (NIST). Dynamic stress-strain data have
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