Precipitation‐Strengthened Ni‐base Alloys

DuPont, J. N.; Lippold, John C.; Kiser, Samuel D.

doi:10.1002/9780470500262.ch4

Welding Metallurgy and Weldability of Nickel‐Base Alloys 2009

DOI: 10.1002/9780470500262.ch4

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Precipitation‐Strengthened Ni‐base Alloys

J. N. DuPont¹,

John C. Lippold²,

Samuel D. Kiser³

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2024

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Cited by 7 publications

References 28 publications

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Characterization of Engineered Nickel-Base Alloy Surface Layers Produced by Additive Friction Stir Processing

Rodelas

Lippold

2013

Metallogr. Microstruct. Anal.

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Additive friction stir processing (AFSP) was used as a novel method to create consolidated c 0 -strengthened superalloy surface layers on non-age-hardenable Ni-alloy substrates. A Ni-Cr-Mo superalloy (Haynes Alloy 282) was deposited onto Ni-Cr-Fe alloy (INCONEL TM Alloy 600) plate using a cold-wire gas tungsten arc process and subsequently friction stir processed. Alloy 282 was incorporated into the surface and led to increases in nearsurface hardness to levels over 275 HV 0.3 as-processed. Heat treatment response and precipitate distribution also improved as a result of AFSP. The application of AFSP led to a 2-fold increase in hardness after a direct age heat treatment relative to the as-deposited GTAW weld overlay without AFSP. Enhancement of precipitate formation kinetics was attributed to stored energy from mechanical stirring of the additive Alloy 282 at high temperature. Electron backscatter diffraction and transmission electron microscopy of AFSP regions showed increased dislocation density for low AFSP heat input processing parameters.

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Characterization of Engineered Nickel-Base Alloy Surface Layers Produced by Additive Friction Stir Processing

Rodelas

Lippold

2013

Metallogr. Microstruct. Anal.

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A comprehensive review of microstructural heterogeneities in the laser powder bed fusion of nickel-base superalloys with high γ′ content

Velasco-Castro,

León-Cázares,

Galindo-Nava

2024

Materials & Design

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Effect of precipitates on the cryogenic fracture toughness of 9%Ni steel flux cored arc weld

Cai

Wang

2021

Materials Science and Engineering: A

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Precipitation‐Strengthened Ni‐base Alloys

Cited by 7 publications

References 28 publications

Characterization of Engineered Nickel-Base Alloy Surface Layers Produced by Additive Friction Stir Processing

Characterization of Engineered Nickel-Base Alloy Surface Layers Produced by Additive Friction Stir Processing

A comprehensive review of microstructural heterogeneities in the laser powder bed fusion of nickel-base superalloys with high γ′ content

Effect of precipitates on the cryogenic fracture toughness of 9%Ni steel flux cored arc weld

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