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Use of Friction Buttering for Overcoming HAZ Liquation Cracking
Published in Springer Boston
2017
Volume: 48
   
Issue: 5
Pages: 2274 - 2280
Abstract
Multi-layer friction deposits in nickel-based superalloy Inconel 718 were investigated for their heat-affected zone liquation cracking resistance. The friction deposits, owing to their fine-grained microstructure with a large number of subgrain boundaries and fine, uniformly distributed carbide particles, were found to exhibit superior liquation cracking resistance to standard wrought-processed alloy 718. Based on these findings, a new technique involving friction deposition of the base plates prior to fusion welding was proposed for overcoming liquation cracking. © 2017, The Minerals, Metals & Materials Society and ASM International.
About the journal
JournalData powered by TypesetMetallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
PublisherData powered by TypesetSpringer Boston
ISSN10735615
Open AccessNo
Concepts (16)
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    Carbides
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    Cracks
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    Deposits
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    Heat affected zone
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    Heat resistance
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    NICKEL DEPOSITS
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    Tribology
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    Base plates
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    CARBIDE PARTICLES
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    Fine-grained microstructure
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    Fusion welding
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    HAZ LIQUATION CRACKINGS
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    LIQUATION CRACKING
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    Nickel- based superalloys
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    SUBGRAIN BOUNDARIES
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    Friction