In-situ water layer thickness determination during accelerated corrosion testing
A collaboration of researchers at the University of Virginia, Sandia National Laboratories Albuquerque, and Tohoku University Japan have recently published a paper that outlines the design, construction, and validation for in-situ water layer thickness determination during accelerated corrosion testing. In this work the Henniker HPT-100 was used to remove hydrocarbon contamination from the surface within the sensor in order to give a uniform for water layer, thereby creating an experimental system geometry that is directly comparable to the modeled geometry thickness determination.
Many metallic structures are subject to corrosive conditions such as salt spray. A salt spray test is a method of checking the corrosion resistance of materials or coatings. The water layer (WL) formed on the surface of the material during salt spray plays a great part in the rate of corrosion of the material. The paper advances the understanding of measuring the WL during the salt spray test.
“Plasma cleaning allowed for a uniform WL to form, creating an experimental system geometry that is directly comparable to the modelled geometry”
To read the full paper click here
Or view our dedicated Plasma Cleaning page and our HPT-100 Model page for more details.
Industry Application
In sectors such as materials science, marine engineering, and corrosion research, precise water layer thickness determination during accelerated corrosion testing is essential. Plasma cleaning with the HPT‑100 was used to remove hydrocarbon contamination, allowing accurate in‑situ sensor measurements and better correlation with corrosion modelling.
Keywords:
- Water layer thickness testing
- Corrosion testing, plasma cleaning
- In-situ measurement
- HPT‑100
- Water film
- Surface cleaning
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FAQs
Q: What is water layer thickness determination during accelerated corrosion testing?
A: It's a technique where a sensor measures the thickness of a water film during salt spray testing, critical for accurate corrosion rate evaluation.
Q: How does plasma cleaning affect water layer formation?
A: Plasma cleaning removes hydrophobic contaminants, enabling consistent water adhesion and accurate in‑situ thickness measurement.
Q: Why use in‑situ water layer measurement?
A: It ensures real-time validation of test conditions and improves the reliability of corrosion modelling and product testing results.
