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Choosing An Alloy For Automotive Stirling EnginesReport describes study of chemical compositions and microstructures of alloys for automotive Stirling engines. Engines offer advantages of high efficiency, low pollution, low noise, and ability to use variety of fuels. Twenty alloys evaluated for resistance to corrosion permeation by hydrogen, and high temperature. Iron-based alloys considered primary candidates because of low cost. Nickel-based alloys second choice in case suitable iron-based alloy could not be found. Cobalt-based alloy included for comparison but not candidate, because it is expensive strategic material.
Document ID
19880000424
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Stephens, Joseph R.
(NASA Lewis Research Center, Cleveland, Ohio.)
Date Acquired
August 13, 2013
Publication Date
September 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 8
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LEW-14609
Accession Number
88B10424
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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