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Evaluation of TWAS Coatings Wear Mechanism by Means of SEM

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Abstract:

Twin Wire Arc spraying (TWAS) is a well-established method to deposit metallic coatings to protect mechanical components from wear and corrosion. In this work were used coatings that can be divided into two groups: FeCr-based ones and NiCr-based ones. The microstructure, and mechanical properties such as hardness, adhesion, abrasion and erosion resistance were evaluated on these coatings. The wear behavior of the coatings was investigated by Solid Particle Erosion resistance test and by Dry sand/Rubber wheel abrasion test. The aim of this work is to study the wear mechanism by SEM observation of worn tracks.

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Info:

Periodical:

Solid State Phenomena (Volume 378)

Pages:

63-68

DOI:

https://doi.org/10.4028/p-V5uZoS

Citation:

Cite this paper

Online since:

October 2025

Authors:

Josef Duliškovič, David Aišman*, Šárka Houdková

Keywords:

Abrasion, Erosion, FeCr, NiCr, Thermal Spray, Twin Arc Spray, Wear Mechanism

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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