Structural phase states and heat aging of composite electron-beam clad coatings

Abstract

The effect of heat aging treatment on structural-phase composition and properties of austenitic composite electron-beam clad coatings has been studied. The rational aging schedule has been developed both to retain the austenitic matrix and provide multimodal carbide particles' size distribution throughout the clad metal volume. It is shown that vanadium carbide precipitates in manganese- and nickel-containing matrices in the form of isolated equiaxial particles of the mean size 94. nm and ~. 1. μm, respectively. Such a structural-phase state becomes feasible by combining the electron-beam cladding and heat treatment conditions. Wear resistance of coatings with multi-modal carbide size distribution has improved as compared to that of the non-aged coatings.

Original language	English
Pages (from-to)	775-783
Number of pages	9
Journal	Surface and Coatings Technology
Volume	232
DOIs	https://doi.org/10.1016/j.surfcoat.2013.06.095
Publication status	Published - 15 Oct 2013

Keywords

Austenitic steel
Composite coating
Electron beam cladding
Thermal cycling
Vanadium carbide
Wear resistance

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.surfcoat.2013.06.095

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title = "Structural phase states and heat aging of composite electron-beam clad coatings",

abstract = "The effect of heat aging treatment on structural-phase composition and properties of austenitic composite electron-beam clad coatings has been studied. The rational aging schedule has been developed both to retain the austenitic matrix and provide multimodal carbide particles' size distribution throughout the clad metal volume. It is shown that vanadium carbide precipitates in manganese- and nickel-containing matrices in the form of isolated equiaxial particles of the mean size 94. nm and ~. 1. μm, respectively. Such a structural-phase state becomes feasible by combining the electron-beam cladding and heat treatment conditions. Wear resistance of coatings with multi-modal carbide size distribution has improved as compared to that of the non-aged coatings.",

keywords = "Austenitic steel, Composite coating, Electron beam cladding, Thermal cycling, Vanadium carbide, Wear resistance",

author = "Gnyusov, {S. F.} and Sergei Yulievich Tarasov",

year = "2013",

month = oct,

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language = "English",

volume = "232",

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journal = "Surface and Coatings Technology",

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T1 - Structural phase states and heat aging of composite electron-beam clad coatings

AU - Gnyusov, S. F.

AU - Tarasov, Sergei Yulievich

PY - 2013/10/15

Y1 - 2013/10/15

N2 - The effect of heat aging treatment on structural-phase composition and properties of austenitic composite electron-beam clad coatings has been studied. The rational aging schedule has been developed both to retain the austenitic matrix and provide multimodal carbide particles' size distribution throughout the clad metal volume. It is shown that vanadium carbide precipitates in manganese- and nickel-containing matrices in the form of isolated equiaxial particles of the mean size 94. nm and ~. 1. μm, respectively. Such a structural-phase state becomes feasible by combining the electron-beam cladding and heat treatment conditions. Wear resistance of coatings with multi-modal carbide size distribution has improved as compared to that of the non-aged coatings.

AB - The effect of heat aging treatment on structural-phase composition and properties of austenitic composite electron-beam clad coatings has been studied. The rational aging schedule has been developed both to retain the austenitic matrix and provide multimodal carbide particles' size distribution throughout the clad metal volume. It is shown that vanadium carbide precipitates in manganese- and nickel-containing matrices in the form of isolated equiaxial particles of the mean size 94. nm and ~. 1. μm, respectively. Such a structural-phase state becomes feasible by combining the electron-beam cladding and heat treatment conditions. Wear resistance of coatings with multi-modal carbide size distribution has improved as compared to that of the non-aged coatings.

KW - Austenitic steel

KW - Composite coating

KW - Electron beam cladding

KW - Thermal cycling

KW - Vanadium carbide

KW - Wear resistance

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JO - Surface and Coatings Technology

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