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Corrosion protection

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Corrosion protection

Corrosion protection describes targeted measures to prevent corrosive - i.e. decomposing - attacks on a metallic component.

The primary task of corrosion protection is to minimise the damage caused to the component by the action of corrosion. Since absolute corrosion resistance can never be achieved, the challenge is to ensure adequate protection for the service life of the component to be protected. The driving force of corrosion - i.e. the type and intensity - always depends on the oxidisability of the respective metal. This driving force is usually described by the so-called electrochemical potential of the metal. This means that in order to prevent corrosion, the electrochemical processes that favour it must be effectively avoided. In practice, there are two ways of doing this:

1. Active protection of the metal by increasing the electrochemical stability: This can be achieved, for example, by certain corrosion inhibitors. These special additives offer the possibility of chemically binding corrosive media such as oxygen, water and salt and thus slowing down the corrosion process.

2. Passive protection of the metal through coatings and (non-)metallic coatings (conversion layers): The so-called physical blocking - i.e. the separation between metal and environment by a layer applied to the component - provides protection against corrosive media.

Each of these corrosion protection measures can theoretically be applied on its own. Often, however, a combination of both concepts is indispensable for the best protection. Depending on the component and application area, there are numerous strategies for both active and passive corrosion prevention.

Misc pages

Corrosion protection
Curing in process
Conveyor belt oven (continuous oven)
Tray oven (continuos oven)
Chain conveyor oven
Chamber oven
Drying process
Cooling (after annealing)
Exhaust air treatment
KTL breakdown voltage
Condensed water test according to DIN EN ISO 6270-2
Sacrificial anode
Local element
Surface protection
Hot-dip galvanising
Flame spraying
Galvanic coating
Conversion layer
Dry-film coat thickness
Fastening properties
Gloss level
Artificial weathering test
Test procedures
Surface properties
Chemical resistance
Mechanical resistance
Natural weathering test
Physical properties
Passiveness, passive state
Protection, galvanic
Protection, temporary
Chromate Coating
Passivation coating
Rack coating
Bulk process
Partial production lot
Drum coating
Erichsen ball recess
Coating thickness, total
Coating thickness, local
Coating thickness, reference
Coating weight
Dry to the touch
Reference surface
Spray coating
Electroplated coating
Specific surface
Passive corrosion protection
Inorganic protective coatings
Organic protective coatings
Active corrosion protection
Forms of corrosion
Types of corrosion
Surface corrosion
Shallow pitting corrosion
Pitting corrosion
Contact corrosion
Bimetallic corrosion
Stress corrosion cracking
Hydrogen induced cracking
ISO 9001
Electro-dip painting (ETL)
Electrostatic powder spraying (EPS)
ISO 14001
Trueness of gauge
Coefficient of friction
Setting behaviour
Fastening and assembly
Kesternich test
Material effectiveness
Environmental management
Quality management
Magnetic induction measurement
Scaling protection
Powder coating
Coil coating
X-ray fluorescence analysis
Beta backscatter method
Mandrel bend test
Eddy current method (phase sensitive)
Eddy current method (amplitude sensitive)
Corrosion College
Powder sintering process
Zinc flake coatings
Dip coating process
Stone impact test
Process stages of KTL-seperation
Corrosion testing atmospheres conducive corrosion
Coat thickness and coat thickness measurement
Adhesion test according to DIN EN ISO 10683
Cross-cut test for adhesion
Thread tolerance
Pressure water jetting test
Fertiliser resistance
Anodic dip coating (ADC)
Cathodic dip coating (CDC)

Technical terms can not always be avoided. As corrosion experts, we not only want to give you comprehensive advice, we are also interested in making you a corrosion expert yourself.

The variety around the topic of corrosion and corrosion protection is also in our glossary at home: explanations from A as in Adhesion to T as in Thread tolerance. Have fun clicking through!