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The Problem of High Temperature Alloys for Gas Turbines

Published online by Cambridge University Press:  03 February 2016

William T. Griffiths
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Abstract

It is now a matter of history that the development of an efficient gas turbine for use in aircraft engines had to await the availability of materials with the properties which would give an adequate life under the conditions which have to be imposed for efficient and economic service. These conditions are, of their type, more severe than any so far imposed on materials in other mechanical equipment. For efficient operation the gases employed in the turbine must be at a high temperature and the flow of gas passing through must be large. In aircraft engines also, the turbine must operate at high speed, with the resulting accompaniment of high stresses. It was to the metallurgist that the engineer naturally turned first for materials to meet these conditions of high temperatures and high stresses and, although some attention has been given to non-metallic substances, the problem still remains essentially a metallurgical one.

Type
Research Article
Information
The Aeronautical Journal , Volume 52 , Issue 445 , January 1948 , pp. 1 - 26
Copyright
Copyright © Royal Aeronautical Society 1948

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