INNOVATIONS: PRESENT&FUTURE
Long-lasting Corrosion Protection for Large Vehicle Parts Hendrik Narjes Dörken Coatings GmbH & Co. KG - Herdecke, Germany
hnarjes@doerken.de
Effective corrosion protection can deliver long-term functionality and operational safety of large parts and components throughout the lifetime of the vehicle as a whole. Protection in accordance with specifications
stresses in daily use and are required to continuously withstand
Many of the large parts and components installed in and on cars
potholes, cracks or uneven road surfaces. In addition, they are in
are subjected to extensive stress and environmental influences on
continuous contact with moisture, cold, heat, salt, grime and air.
the road. As a result, both chassis parts and safety-relevant parts
Long-term, effective corrosion protection is urgently required to avoid
such as axle carriers or wishbones/trailing arms require long-lasting
rust and malfunction. The situation is a similar one for the wishbones,
surface and corrosion protection. A good example for this is axle
trailing arms and twist beams fitted to the chassis, which are made
carriers made from aluminium or steel. The pivot points of the wheel
from steel or aluminium, depending on the class of vehicle. These
suspensions are secured to these - on the front axle carrier typically
are exposed to diverse environmental influences on a daily basis.
also the engine, gearbox and steering gear. As safety-relevant and
Corrosion damage to any of these components would have fatal
load-bearing components, the axle carriers are exposed to extreme
consequences for car passengers and bystanders. To ensure the
© Dörken
Large components such as mounts, axle parts or triangular control arms can be protected against corrosion with a zinc flake coating.
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N. 69 - MAY/JUNE 2021 - international PAINT&COATING magazine
