THE use of metals at temperatures in excess of 1,200 deg. F. and up to temperatures in the vicinity of their melting points is a challenging and fascinating portion of the fight to pass the heat barrier in the design and performance of aircraft and their power plants. The materials available for service in this temperature range are restricted. The considerations of designing structural components involve many more problems than the old criteria of strength to weight ratio and fabrication costs. Such properties as thermal expansion, heat conductivity, surface emissivity and scaling resistance are as important in determining which metal should be used for a given application as are the various measurements of strength heretofore the primary considerations in material selection.
Levy, A. (1955), "High Temperature Power Plant Materials: Application of High Temperature Materials to Aircraft Power Plants In The Temperature Range of 1,200–1,400 deg. F.", Aircraft Engineering and Aerospace Technology, Vol. 27 No. 9, pp. 292-298. https://doi.org/10.1108/eb032600
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