EFFECT OF ALUMINIDE COATING ON CREEP BEHAVIOR OF NI-BASED SUPERALLOY GTD-111

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TAHERI M.; SALEMI GOLEZANI A.; SHIRVANI K.

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Title

EFFECT OF ALUMINIDE COATING ON CREEP BEHAVIOR OF NI-BASED SUPERALLOY GTD-111

Author(s)

TAHERI M. | SALEMI GOLEZANI A. | SHIRVANI K. | Issue Writer Certificate

Keywords

NI-BASED SUPERALLOY GTD-111Q3

ALUMINIDE COATINGQ3

CREEPQ2

Abstract

GTD-111 superalloys are of the newest Ni-based superalloys which due to of having good stability and strength at high temperatures are used in manufacturing of hot-gas-path parts of the gas turbines. Because of severe working conditions, application of these superalloys without coating isn't recommended. For this purpose, the superalloy is coated and then is used. In this paper, the effect of ALUMINIDE COATING on rapture behavior of the GTD-111 superalloy is investigated. For this purpose, a number of samples made from GTD-111 superalloy have been coated by powder cementation method and have been subjected to rapture test and have been compared to uncoated samples. The results suggest that the presence of coating causes increase in Al content in the surface and contributes in stability of g’ which is the most important factor of superalloy strength and also causes increase in life cycle of this superalloy with respect to similar uncoated samples.

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APA: Copy

TAHERI, M., SALEMI GOLEZANI, A., & SHIRVANI, K.. (2012). EFFECT OF ALUMINIDE COATING ON CREEP BEHAVIOR OF NI-BASED SUPERALLOY GTD-111. JOURNAL OF NEW MATERIALS, 2(3 (7)), 61-67. SID. https://sid.ir/paper/169953/en

Vancouver: Copy

TAHERI M., SALEMI GOLEZANI A., SHIRVANI K.. EFFECT OF ALUMINIDE COATING ON CREEP BEHAVIOR OF NI-BASED SUPERALLOY GTD-111. JOURNAL OF NEW MATERIALS[Internet]. 2012;2(3 (7)):61-67. Available from: https://sid.ir/paper/169953/en

IEEE: Copy

M. TAHERI, A. SALEMI GOLEZANI, and K. SHIRVANI, “EFFECT OF ALUMINIDE COATING ON CREEP BEHAVIOR OF NI-BASED SUPERALLOY GTD-111,” JOURNAL OF NEW MATERIALS, vol. 2, no. 3 (7), pp. 61–67, 2012, [Online]. Available: https://sid.ir/paper/169953/en

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