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Comparison of melt-solid interface position by radiography and temperature measurement in a vertical Bridgman furnaceThe melt-solid interface position was measured during the Bridgman growth of germanium by both temperature profiling and by X-ray imaging. The temperature field of the ampoule, growth material and measurement thermocouples was analyzed by means of numerical analysis. It is shown that both the temperature shift and the discontinuity in temperature gradient is a function of the imposed thermal field and the thermal properties of the thermocouples.
Document ID
19930039381
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Hubert, James A. (NASA Langley Research Center Hampton, VA, United States)
Fripp, Archibald L. (NASA Langley Research Center Hampton, VA, United States)
Welch, Christopher S. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1993
Subject Category
Materials Processing
Report/Patent Number
AIAA PAPER 93-0475
Meeting Information
Meeting: AIAA, Aerospace Sciences Meeting and Exhibit
Location: Reno, NV
Country: United States
Start Date: January 11, 1993
End Date: January 14, 1993
Sponsors: AIAA
Accession Number
93A23378
Distribution Limits
Public
Copyright
Other

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