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Investigation into the performance of a dual-layer thin-film organic coating during accelerated low-temperature offshore testing

[+] Author and Article Information
A.W. Momber

Muehlhan AG, Hamburg, Germany Schlinckstraße 3, 21103 Hamburg, Germany
momber@muehlhan.com

M. Irmer

Fraunhofer AGP, Rostock, Germany Albert-Einstein-Straße 30, 18059 Rostock, Germany
michael.irmer@hro.ipa.fraunhofer.de

N. Glück

Fraunhofer AGP, Rostock, Germany Albert-Einstein-Straße 30, 18059 Rostock, Germany
nikolai.glueck@hro.ipa.fraunhofer.de

1Corresponding author.

ASME doi:10.1115/1.4036207 History: Received November 09, 2016; Revised January 25, 2017

Abstract

The application of thin-film coatings is a method to protect armatures, accessories and control elements on offshore facilities against corrosion and mechanical damages. The performance of a dual-layer thin-film (30 µm) coating system under simulated Arctic offshore exposure was investigated. The coating system consisted of polyamide-based primer and MoS2/PTFE-modified topcoat. The investigations involved the following tests: accelerated corrosion protection/ageing tests, coating adhesion tests, SEM/EDX inspections, static contact angle measurements, specific surface energy measurements, hoarfrost accretion, and abrasion resistance tests. The test conditions were adapted to Arctic offshore conditions. Effects of accelerated offshore ageing on surface morphology, surface chemistry and hoarfrost accretion were also investigated.

Copyright (c) 2017 by ASME
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