Discussion of “Formation of an Intermediate Layer Between Grains in Nickel-Based Superalloy Turbine Blades”*

John Campbell

doi:10.1007/s11661-017-4255-y

Discussion of “Formation of an Intermediate Layer Between Grains in Nickel-Based Superalloy Turbine Blades”*

John Campbell

Metallurgy and Materials

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Abstract

Kim and Withey discuss the formation of an ‘intermediate layer’, formed between grains, which they observe in some Ni-base superalloys. This author proposes that the layer is the result of the presence of a bifilm, a double film probably of oxide or nitride, which appears to be capable of providing a coherent explanation of all the interesting observations reported by the authors.

Original language	English
Pages (from-to)	5157-5159
Journal	Metallurgical and Materials Transactions A
Volume	48
Issue number	10
Early online date	1 Aug 2017
DOIs	https://doi.org/10.1007/s11661-017-4255-y
Publication status	Published - 1 Oct 2017

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Campbell_Discussion_of_formation_of_an_intermediate_layer_Mettalurgical_and_Materials_Transactions_A_2017
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title = "Discussion of “Formation of an Intermediate Layer Between Grains in Nickel-Based Superalloy Turbine Blades”*",

abstract = "Kim and Withey discuss the formation of an {\textquoteleft}intermediate layer{\textquoteright}, formed between grains, which they observe in some Ni-base superalloys. This author proposes that the layer is the result of the presence of a bifilm, a double film probably of oxide or nitride, which appears to be capable of providing a coherent explanation of all the interesting observations reported by the authors.",

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AB - Kim and Withey discuss the formation of an ‘intermediate layer’, formed between grains, which they observe in some Ni-base superalloys. This author proposes that the layer is the result of the presence of a bifilm, a double film probably of oxide or nitride, which appears to be capable of providing a coherent explanation of all the interesting observations reported by the authors.

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Discussion of “Formation of an Intermediate Layer Between Grains in Nickel-Based Superalloy Turbine Blades”*

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