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Dry sliding wear mechanisms of Ce in aluminum bronze coatings

Dry sliding wear mechanisms of Ce in aluminum bronze coatings
Dry sliding wear mechanisms of Ce in aluminum bronze coatings
A new type of cerium bronze coatings with aluminum as the main compound and over the solubility limit were successfully fabricated on a mild steel substrate by plasma spraying system. Scanning electron microscopy analysis showed that Ce refined the microstructure effectively, which resulted in an increase in average hardness. Ce stimulated the Fe element diffusion from the substrate to coating which resulted in the evolution of Fe-containing intermetallics from the FeAl (κ2 phase) to Fe3Al (κ1 phase). This study also shows that a small amount of Ce (0.1 wt%) added into the novel aluminum bronze coating can improve the abrasive wear resistance by refining the microstructure and increasing the hardness of the coating, where the excess Ce (0.6 wt%) addition will reduce the abrasive wear resistance of the coating.
Ce addition, Microstructure, aluminum bronze coatings, hardness, Wear resistance
0022-2461
Li, Wensheng
9483fd8e-f3d4-48b8-8a75-14ff5fc5d9e5
Zhai, Haimin
eb285b81-bc8c-468f-a96b-3362f927b32a
Wang, Shuncai
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
Liu, Shujie
03d3d8c5-a2ff-4253-9860-e267e5160117
Wood, Robert
d9523d31-41a8-459a-8831-70e29ffe8a73
Li, Wensheng
9483fd8e-f3d4-48b8-8a75-14ff5fc5d9e5
Zhai, Haimin
eb285b81-bc8c-468f-a96b-3362f927b32a
Wang, Shuncai
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
Liu, Shujie
03d3d8c5-a2ff-4253-9860-e267e5160117
Wood, Robert
d9523d31-41a8-459a-8831-70e29ffe8a73

Li, Wensheng, Zhai, Haimin, Wang, Shuncai, Liu, Shujie and Wood, Robert (2019) Dry sliding wear mechanisms of Ce in aluminum bronze coatings. Journal of Materials Science. (doi:10.1007/s10853-019-04081-8).

Record type: Article

Abstract

A new type of cerium bronze coatings with aluminum as the main compound and over the solubility limit were successfully fabricated on a mild steel substrate by plasma spraying system. Scanning electron microscopy analysis showed that Ce refined the microstructure effectively, which resulted in an increase in average hardness. Ce stimulated the Fe element diffusion from the substrate to coating which resulted in the evolution of Fe-containing intermetallics from the FeAl (κ2 phase) to Fe3Al (κ1 phase). This study also shows that a small amount of Ce (0.1 wt%) added into the novel aluminum bronze coating can improve the abrasive wear resistance by refining the microstructure and increasing the hardness of the coating, where the excess Ce (0.6 wt%) addition will reduce the abrasive wear resistance of the coating.

Text
JMSC-D-19-03296_R1 Dry sliding wear mechanisms of Ce in aluminum bronze coatings-sw - Accepted Manuscript
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More information

Accepted/In Press date: 24 September 2019
e-pub ahead of print date: 18 October 2019
Keywords: Ce addition, Microstructure, aluminum bronze coatings, hardness, Wear resistance

Identifiers

Local EPrints ID: 435239
URI: http://eprints.soton.ac.uk/id/eprint/435239
ISSN: 0022-2461
PURE UUID: 868ddfed-de03-43bf-a593-adae816d0a5b
ORCID for Robert Wood: ORCID iD orcid.org/0000-0003-0681-9239

Catalogue record

Date deposited: 28 Oct 2019 17:30
Last modified: 18 Feb 2021 16:43

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