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Hannover Messe: New composite protects from corrosion at high mechanical stress

02.04.2014

Material researchers at the INM – Leibniz Institute for New Materials will be presenting a composite material which prevents metal corrosion in an environmentally friendly way, even under extreme conditions. It can be used wherever metals are exposed to severe weather conditions, aggressive gases, media containing salt, heavy wear or high pressures.

From 7 to 11 April 2014, the researchers of the INM will be presenting this and further results in Hall 2 at the stand C48 of the Hannover Messe in the context of the leading trade fair for R & D and Technology Transfer. This includes new developments of transparent and conducting coatings, CIGS solar cells, antimicrobial coatings as well as grease-free composites with corrosion-resistant properties and printed electronics.


New composite coatings prevent corrosion caused by splash water or dirt.

Copyright: Uwe Bellhäuser, only free within this press release.

“This patented composite exhibits its action by spray application”, explains Carsten Becker-Willinger, Head of the Nanomers Program Division. “The key is the structuring of this layer - the protective particles arrange themselves like roof tiles. As in a wall, several layers of particles are placed on top of each other in an offset arrangement; the result is a self-organized, highly structured barrier”, says the chemical nanotechnology expert.

The protective layer is just a few micrometers thick and prevents penetration by gases and electrolytes. It provides protection against corrosion caused by aggressive aqueous solutions, including for example salt solutions such as salt spray on roads and seawater, or aqueous acids such as acid rain. The protective layer is an effective barrier, even against corrosive gases or under pressure.

After thermal curing, the composite adheres to the metal substrate, is abrasion-stable and impact-resistant. As a result, it can withstand high mechanical stress. The coating passes the falling ball test with a steel hemispherical ball weighing 1.5 kg from a height of one meter without chipping or breaking and exhibits only slight deformation, which means that the new material can be used even in the presence of sand or mineral dust without wear and tear.

The composite can be applied by spraying or other commonly used wet chemistry processes and cures at 150-200°C. It is suitable for steels, metal alloys and metals such as aluminum, magnesium and copper, and can be used to coat any shape of plates, pipes, gear wheels, tools or machine parts. The specially formulated mixture contains a solvent, a binder and nanoscale and platelet-like particles; it does not contain chromium VI or other heavy metals.

Contact:
Dr. Carsten Becker-Willinger
INM – Leibniz Institute for New Materials
Head Nanomers
Phone: +49681-9300-196
nanomere@inm-gmbh.de

Your contact at the stand:
Dr. Sabine Schmitz-Stöwe
Dr. Dirk Bentz

The INM will also present its competence within various talks in Hall 2 at the Tech transfer stand.
* „Nanotechnology at the INM – Leibniz Institute for New Materials“, Dr. Mario Quilitz, Monday, 7.4. 2014, 10:15 - 10:30 a.m.
* „Nanotechnology in the Leibniz Network Nano“, Dr. Mario Quilitz, Monday, 7.4.2014, 12:00 - 12:15 p.m.
* „Nanoparticles for Optics and Electronics“, Dr. Peter William de Oliveira, Tuesday, 8.4.2014, 11:00 - 11:10 a.m.
* „Nanomers - Highly structured integrated functional coatings for practical solutions in industrial applications“, Dr. Carsten Becker-Willinger, Tuesday, 8.4.2014, 11:20 - 11:35 a.m.

INM conducts research and development to create new materials – for today, tomorrow and beyond. Chemists, physicists, biologists, materials scientists and engineers team up to focus on these essential questions: Which material properties are new, how can they be investigated and how can they be tailored for industrial applications in the future? Four research thrusts determine the current developments at INM: New materials for energy application, new concepts for medical surfaces, new surface materials for tribological applications and nano safety and nano bio. Research at INM is performed in three fields: Nanocomposite Technology, Interface Materials, and Bio Interfaces.
INM – Leibniz Institute for New Materials, situated in Saarbruecken, is an internationally leading centre for materials research. It is an institute of the Leibniz Association and has about 195 employees.

Weitere Informationen:

http://www.inm-gmbh.de/en

Dr. Carola Jung | idw - Informationsdienst Wissenschaft

Further reports about: INM Nanotechnology Technology gases layers materials properties protective

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