Corrosion Testing

Corrosion testing

Assessment of corrosion damage, determination of corrosion causes, derivation of suitable and practicable prevention measures, performance of corrosion tests to determine the corrosion resistance of components.

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In rust we trust! How corrosion-resistant is your component?

Many of our everyday components, tools and objects are exposed to weathering or other corrosive environments and must resist these aggressive conditions.  

The corrosion resistance of components and materials is a system variable. Therefore, it is independent of the interplay between material composition, heat treatment condition and environmental conditions (media, temperature, mechanical load, etc.). A corrosion-resistant steel can be resistant to many media; on the other hand, it can corrode when confronted with certain media or in certain conditions. There are many varied influences on corrosion resistance, from steel production and the entire production process right up to the operating conditions.

There are a series of different corrosion mechanisms, which can appear both on an individual basis and in combination. To deduce suitable prevention measures, it is important to identify the corrosion mechanism present. For this, profound knowledge of material engineering, metallurgy, chemistry – especially corrosion science – production engineering as well as suitable laboratory equipment are necessary. RÜBIG possesses the crucial expertise and the testing options in order to characterise and solve cases of corrosive damage and to optimise components in order to prevent corrosive damage.  

Just like mechanical properties, the corrosion properties can also be affected significantly by the heat treatment. Therefore, we also deal intensively with the influence of heat treatment procedures on the corrosion resistance in different materials.

Corrosion analysis and corrosion tests at RÜBIG:

  • Solving corrosive damage cases:
    • Identifying corrosion mechanisms
    • Determining and restricting causes of corrosion
    • Deducing suitable and practicable prevention measures
  • Developing heat-treatment measures for improving components that must endure corrosive and wear stresses at the same time
  • Corrosion tests according to standards in order to assess the corrosion resistance of components and tools and in order to assess aggressive media (coolants, detergents, etc.):
    • Neutral salt spray test
    • Evacuation tests
    • Current density/potential measurements
    • Impedance spectroscopy
    • Galvanic corrosion tests
    • Stress corrosion cracking tests
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