Preprint Article Version 1 This version is not peer-reviewed

Porosity Characterization of Cold Sprayed Stainless Steel Coating Using Three-Dimensional X-ray Microtomography

Version 1 : Received: 24 July 2018 / Approved: 24 July 2018 / Online: 24 July 2018 (07:50:30 CEST)

A peer-reviewed article of this Preprint also exists.

Wang, Y.; Adrien, J.; Normand, B. Porosity Characterization of Cold Sprayed Stainless Steel Coating Using Three-Dimensional X-ray Microtomography. Coatings 2018, 8, 326. Wang, Y.; Adrien, J.; Normand, B. Porosity Characterization of Cold Sprayed Stainless Steel Coating Using Three-Dimensional X-ray Microtomography. Coatings 2018, 8, 326.

Journal reference: Coatings 2018, 8, 326
DOI: 10.3390/coatings8090326

Abstract

Cold gas-dynamic spray (cold spray) is an evolving coating deposition and restoration technology in which particles are deposited above the sonic speed. This paper presents the non-destructive three-dimensional characterization of cold sprayed stainless steel coating. The visualization of coating morphology and volumetric porosity, and the analyses of porosity size and spatial distributions confirmed that dense stainless steel coating with non-connected, micron-sized gradient porosity is successfully produced by cold spray. The suitability of X-ray tomography for characterizing cold sprayed coatings is assessed.

Subject Areas

X-ray tomography; cold spray; porosity; stainless steel; three-dimensional imaging

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