Improvement of microstructure and property of cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy by heat treatment

W. Y. Li; X. P. Guo; C. Verdy; L. Dembinski; H. L. Liao; C. Coddet

doi:10.1016/j.scriptamat.2006.04.041

Improvement of microstructure and property of cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy by heat treatment

W. Y. Li, X. P. Guo, C. Verdy, L. Dembinski, H. L. Liao, C. Coddet

Université de technologie de Belfort Montbéliard

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

The effect of vacuum heat treatment on the microstructure and microhardness of the cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy was investigated. After heat treatment, a Cr₂Nb phase formed in the gas-atomized powder was uniformly distributed in the matrix. Minimal grain growth of the Cr₂Nb phase was observed accompanying the healing-up of the incomplete interfaces between the deposited particles at the elevated treatment temperatures. The microstructure and microhardness of the annealed cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy were comparable with those of the deposits fabricated by vacuum plasma spraying, which makes it a promising material for regeneratively cooled rocket engine applications.

Original language	English
Pages (from-to)	327-330
Number of pages	4
Journal	Scripta Materialia
Volume	55
Issue number	4
DOIs	https://doi.org/10.1016/j.scriptamat.2006.04.041
State	Published - Aug 2006
Externally published	Yes

Keywords

Cold spraying
Copper alloy
Heat treatment
Vacuum plasma spraying

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10.1016/j.scriptamat.2006.04.041

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title = "Improvement of microstructure and property of cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy by heat treatment",

abstract = "The effect of vacuum heat treatment on the microstructure and microhardness of the cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy was investigated. After heat treatment, a Cr2Nb phase formed in the gas-atomized powder was uniformly distributed in the matrix. Minimal grain growth of the Cr2Nb phase was observed accompanying the healing-up of the incomplete interfaces between the deposited particles at the elevated treatment temperatures. The microstructure and microhardness of the annealed cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy were comparable with those of the deposits fabricated by vacuum plasma spraying, which makes it a promising material for regeneratively cooled rocket engine applications.",

keywords = "Cold spraying, Copper alloy, Heat treatment, Vacuum plasma spraying",

author = "Li, {W. Y.} and Guo, {X. P.} and C. Verdy and L. Dembinski and Liao, {H. L.} and C. Coddet",

year = "2006",

month = aug,

doi = "10.1016/j.scriptamat.2006.04.041",

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volume = "55",

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TY - JOUR

T1 - Improvement of microstructure and property of cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy by heat treatment

AU - Li, W. Y.

AU - Guo, X. P.

AU - Verdy, C.

AU - Dembinski, L.

AU - Liao, H. L.

AU - Coddet, C.

PY - 2006/8

Y1 - 2006/8

N2 - The effect of vacuum heat treatment on the microstructure and microhardness of the cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy was investigated. After heat treatment, a Cr2Nb phase formed in the gas-atomized powder was uniformly distributed in the matrix. Minimal grain growth of the Cr2Nb phase was observed accompanying the healing-up of the incomplete interfaces between the deposited particles at the elevated treatment temperatures. The microstructure and microhardness of the annealed cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy were comparable with those of the deposits fabricated by vacuum plasma spraying, which makes it a promising material for regeneratively cooled rocket engine applications.

AB - The effect of vacuum heat treatment on the microstructure and microhardness of the cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy was investigated. After heat treatment, a Cr2Nb phase formed in the gas-atomized powder was uniformly distributed in the matrix. Minimal grain growth of the Cr2Nb phase was observed accompanying the healing-up of the incomplete interfaces between the deposited particles at the elevated treatment temperatures. The microstructure and microhardness of the annealed cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy were comparable with those of the deposits fabricated by vacuum plasma spraying, which makes it a promising material for regeneratively cooled rocket engine applications.

KW - Cold spraying

KW - Copper alloy

KW - Heat treatment

KW - Vacuum plasma spraying

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DO - 10.1016/j.scriptamat.2006.04.041

M3 - 文章

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SN - 1359-6462

VL - 55

SP - 327

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JO - Scripta Materialia

JF - Scripta Materialia

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ER -

Improvement of microstructure and property of cold-sprayed Cu-4 at.%Cr-2 at.%Nb alloy by heat treatment

Abstract

Keywords

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