Abstract
Corning became actively involved with vehicular gas turbine programs in 1952 during the development of a ceramic rotary regenerator core for the Chrysler automotive gas turbine. Material and process development research in this program led to efforts to apply very low thermal expansion, modest strength, sintered glass-ceramic materials to some of the static gas turbine engine components. One early program involved the first stage turbine plenum for the Ford Model 707 industrial gas turbine. Several process/material iterations ultimately led to the development of a glass-ceramic turbine housing for the Ford Motor Company Model 820 ceramic gas turbine. The housing required a sophisticated slip cast process and a special lithium aluminosilicate (LAS) glass-ceramic composition (Corning Code 9458) with a total thermal expansion between room temperature and 1200C of about 700 ppm. This paper reviews this project and indicates some possible directions for future developments. The design concept and application of the glass-ceramic housing to the Ford Model 820 ceramic gas turbine is discussed in an associated ASME paper by Mr. A. F. McLean of Ford Motor Company.
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