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Model of the Frictional Heating of Inconel 718 and Titanium (ti-6al-4v) in Helium

Author
Skowlund, Christopher T.
Published
Dec 1, 1991.
Physical Description
1 electronic document
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
A computer model of the frictional heating of metals in an inert environment has been developed. The model incorporates the effects of the heat loss from the samples due to conduction, radiation, and convection to the surroundings. This model allows the measured temperatures to be used to determine the amount of heat produced at the interface during the experiment by the sliding contact of two different metallic samples. The results of the simulation for an experiment run at the NASA White Sands Test Facility (WSTF) show that for the same heat production at the interface the heat losses have a significant effect on the temperatures in the samples. But, the heat losses do not significantly affect the different calculated heat flows (or friction coefficients), at the interface, that are necessary to correlate the measured temperatures.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19920012067.
Accession ID: 92N21310.
Texas A and M Univ., NASA(ASEE Summer Faculty Fellowship Program, 1991, Volume 2; 15 p.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15424804