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High temperature oxidation and oxychlorination behaviors of cold sprayed Inconel 718 deposits at 700 °C

High temperature oxidation and oxychlorination behaviors of cold sprayed Inconel 718 deposits at 700 °C
High temperature oxidation and oxychlorination behaviors of cold sprayed Inconel 718 deposits at 700 °C

The current research represents the first systematic study on high temperature oxidation and oxychlorination behaviors of cold sprayed Inconel 718. Tests were carried out at 700 ℃ and cold sprayed Inconel 718 was shown to possess excellent oxidation resistance comparable to that of the bulk Inconel 718. In the oxychlorination condition, a single-layer structure was observed in the scale of cold sprayed Inconel 718 in contrast to the double-layer scale in the bulk Inconel 718. Superior oxychlorination resistance of cold sprayed Inconel 718 was revealed and attributed to the much smaller grain size and higher dislocation density.

A. Metal coatings, A. Superalloys, B. TEM, B. Thermal cycling, C. Chlorination, C. High temperature corrosion
0010-938X
Wu, Kaiqiang
0a556f8f-8f7c-42ad-b49c-19dce848914c
Sun, Wen
38403bb0-2b99-4958-b9ee-39b4016d0968
Tan, Adrian Wei Yee
3d644676-a520-4f41-b7f1-410d1c46689d
Tan, Sung Chyn
ce8c9dd4-1be4-4a7b-a719-1f6029625906
Liu, Erjia
f0eb8f01-7079-4d8a-9687-f00250b31ffd
Zhou, Wei
5d4ade09-1cd3-4107-82ff-1cd9ecfdc35b
Wu, Kaiqiang
0a556f8f-8f7c-42ad-b49c-19dce848914c
Sun, Wen
38403bb0-2b99-4958-b9ee-39b4016d0968
Tan, Adrian Wei Yee
3d644676-a520-4f41-b7f1-410d1c46689d
Tan, Sung Chyn
ce8c9dd4-1be4-4a7b-a719-1f6029625906
Liu, Erjia
f0eb8f01-7079-4d8a-9687-f00250b31ffd
Zhou, Wei
5d4ade09-1cd3-4107-82ff-1cd9ecfdc35b

Wu, Kaiqiang, Sun, Wen, Tan, Adrian Wei Yee, Tan, Sung Chyn, Liu, Erjia and Zhou, Wei (2022) High temperature oxidation and oxychlorination behaviors of cold sprayed Inconel 718 deposits at 700 °C. Corrosion Science, 207, [110536]. (doi:10.1016/j.corsci.2022.110536).

Record type: Article

Abstract

The current research represents the first systematic study on high temperature oxidation and oxychlorination behaviors of cold sprayed Inconel 718. Tests were carried out at 700 ℃ and cold sprayed Inconel 718 was shown to possess excellent oxidation resistance comparable to that of the bulk Inconel 718. In the oxychlorination condition, a single-layer structure was observed in the scale of cold sprayed Inconel 718 in contrast to the double-layer scale in the bulk Inconel 718. Superior oxychlorination resistance of cold sprayed Inconel 718 was revealed and attributed to the much smaller grain size and higher dislocation density.

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More information

Accepted/In Press date: 22 July 2022
e-pub ahead of print date: 4 August 2022
Published date: October 2022
Additional Information: Funding Information: This research was funded by National Research Foundation of Singapore , Rolls-Royce Singapore Pte Ltd and Nanyang Technological University through grants #002123-00002 and #002124-00002 . Publisher Copyright: © 2022 Elsevier Ltd
Keywords: A. Metal coatings, A. Superalloys, B. TEM, B. Thermal cycling, C. Chlorination, C. High temperature corrosion

Identifiers

Local EPrints ID: 474400
URI: http://eprints.soton.ac.uk/id/eprint/474400
ISSN: 0010-938X
PURE UUID: 5a696869-7ef9-483d-98e6-d89778522b50

Catalogue record

Date deposited: 21 Feb 2023 17:48
Last modified: 05 Jun 2024 18:54

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Contributors

Author: Kaiqiang Wu
Author: Wen Sun
Author: Adrian Wei Yee Tan
Author: Sung Chyn Tan
Author: Erjia Liu
Author: Wei Zhou

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