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Post-weld heat-treatment cracking in superalloys

R. Thamburaj, W.E. Wallace, JOHN A. GOLDAK

Open publisher page 46 citations

Abstract

This review is concerned with a type of cracking that often occurs during the postweld heat-treatment of Ni-base superalloys. The metallurgical factors and process variables that influence crack sensitivity are discussed in detail. The various types of tests available to study this type of embrittlement and the limitations of each approach are briefly described. Numerous suggestions are made for future work.

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What this paper is about

This review is concerned with a type of cracking that often occurs during the postweld heat-treatment of Ni-base superalloys. The metallurgical factors and process variables that influence crack sensitivity are discussed in detail. The various types of tests available to study this type of embrittlement and the limitations of each approach are briefly described. Numerous suggestions are made for future work.

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OpenAlex reports 46 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

This review is concerned with a type of cracking that often occurs during the postweld heat-treatment of Ni-base superalloys. The metallurgical factors and process variables that influence crack sensitivity are discussed in detail. The various types of tests available to study this type of embrittlement and the limitations of each approach are briefly described. Numerous suggestions are made for future work.

Key concepts: Superalloy, Embrittlement, Cracking, Materials science, Metallurgy, Welding, Work (physics), Composite material

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