Reconditioning of Gas Turbine Components by Heat Treatment-Reference-Cited by-同舟云学术

Reconditioning of Gas Turbine Components by Heat Treatment

Published:2000-05-15 Issue:1 Volume:123 Page:57-61
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Brown J. A.¹,Freer R.²,Rowley A. T.³

Affiliation:

1. UMIST/E A Technology, Postgraduate Training Partnership, Capenhurst, Chester, CH1 6ES, U.K.

2. Materials Science Centre, UMIST, Manchester, M1 7HS, U.K.

3. E A Technology Limited, Capenhurst, Chester, CH1 6ES, U.K.

Abstract

At the high operating temperatures experienced within a gas turbine, creep damage is a major life-limiting factor. This is especially true for components which are highly stressed and closest to the hot gas inlet end of the machine, such as the rotating blades in this area. The ability to recover the creep properties of used gas turbine components might enable their service lives to be increased considerably. Thereby, maintenance costs could be reduced. Previous research into the feasibility of reconditioning crept superalloys by heat treatment will be reviewed and perceived limitations identified. The current work will add to knowledge on the effects of conventional recovery techniques and will explore potential new heat treatment regimes. The experimental and analytical methods to be used will be both described and supported by preliminary results.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/123/1/57/5746345/57_1.pdf

Reference20 articles.

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2. Davies, P. W., Dennison, J. P., and Evans, H. E., 1967, “The Kinetics of the Recovery of Creep Properties During Annealing of Nimonic 80A After Creep at 750°C,” J. Inst. Met., 95, pp. 231–234.

3. Hart, R. V., and Gayter, H., 1968, “Recovery of Mechanical Properties in Nickel Alloys by Re-Heat-Treatment,” J. Inst. Met., 96, pp. 338–344.

4. Davies, P. W., Dennison, J. P., and Sidey, D., 1973, “The Recovery of Mechanical Properties of Nimonic 105 by Heat-Treatment After High-Temperature Creep,” J. Inst. Met., 101, pp. 153–161.

5. Cina, B., and Myron, S., 1976, “Means for Extending the Secondary Creep Life of Nickel-Base Superalloys,” Second International Conference on Mechanical Behavior of Materials, Federation of Materials Societies, Boston, pp. 2025–2030.

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