SEDL / STP / STP672-EB / STP36886S

Microstructural Objectives for High-Temperature Alloys in Advanced Energy Systems

Sims, CT
Manager, General Electric Co., Schenectady, N. Y.

Pages: 34    Published: Jan 1979

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Abstract

This paper reviews six advanced systems in a broad fashion helpful in orientation of engineering and technical personnel not directly involved in such developments. These are coal utilization systems including coal liquefaction, coal gasification and pressurized fluid beds, nuclear systems including liquid metal fast breeder reactors (LMFBR), and high-temperature gas reactors (HTGR). In concert with these systems, yet cross-functioning, superalloy technologies are discussed for combined-cycle electrical plants and high-temperature heat exchangers. Then potential applications and problems for superalloys in the systems, are identified, drawing from this base examples that might typically be applied, utilizing these to discuss ideal microstructures one may find.