Choosing an accelerated corrosion test

Altmayer, Frank

doi:10.1016/0026-0576(95)93401-m

Cited by 3 publications

(6 citation statements)

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“…Two main types are distinguished: static atmosphere testing and cyclic corrosion testing. [11][12][13] During static atmosphere testing, a constant single environment is applied throughout the complete duration of the test. A well known example is the salt fog test (ASTM B 117).…”

Section: Accelerated Corrosion Testsmentioning

confidence: 99%

“…A well known example is the salt fog test (ASTM B 117). 12 The search for reliable test methods, mainly for the automotive industry, led to a wide variety of cyclic corrosion tests. Nowadays there are almost as many accelerated corrosion tests as there are car manufacturers.…”

Section: Accelerated Corrosion Testsmentioning

confidence: 99%

“…The bulk concentration of oxygen, which can be calculated by δ , [12] is already a function of the salt concentration in the electrolyte. 34 In this equation, c of the diffusion coefficient of oxygen on the salt concentration was added by 35 …”

Section: Physics and Modelmentioning

confidence: 99%

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Comparing Modeled and Experimental Accelerated Corrosion Tests on Steel

Steen

Simillion

Thierry

et al. 2017

J. Electrochem. Soc.

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Four different accelerated corrosion tests on steel are simulated with a Dynamic Electrolyte Film Corrosion model. Based on the time dependent temperature and humidity, combined with the presence of hygroscopic salts, a time dependent electrolyte thickness is calculated. At every timestep, the modeled film thickness dictates the corrosion current. Focussing on the thickness predictions, an elementary corrosion model is adopted to enable the corrosion depth estimations. The trends of the simulated corrosion depths are compared with experimental data obtained with an electrical resistance corrosion sensing system, demonstrating the importance of the electrolyte thickness and composition for a thorough understanding and modeling of atmospheric corrosion on steel.

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Section: Accelerated Corrosion Testsmentioning

confidence: 99%

Section: Accelerated Corrosion Testsmentioning

confidence: 99%

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Comparing Modeled and Experimental Accelerated Corrosion Tests on Steel

Steen

Simillion

Thierry

et al. 2017

J. Electrochem. Soc.

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“…Plating operations are used to fabricate two types of chromium coatings, functional and decorative. Functional chromium coatings consist of a thick layer of chromium (typically 1.3 to 760 µm) (10) to provide a surface with functional properties such as hardness, corrosion resistance, wear resistance, and low coefficient of friction. Applications of functional chromium coatings include strut and shock absorber rods, hydraulic cylinders, crankshafts and industrial rolls.…”

Section: Introductionmentioning

confidence: 99%

“…Carbon steel, cast iron, stainless steel, copper, aluminum, and zinc are substrates commonly used with functional chromium. Decorative chromium coatings consist of a thin layer of chromium (typically 0.003 to 2.5 µm) (10) to provide a bright surface with wear and tarnish resistance when plated over a nickel layer. It is used for plating automotive trim/bumpers, bath fixtures and small appliances.…”

Section: Introductionmentioning

confidence: 99%

Electrically Mediated Process for Functinal and Decorative Trivalent Chromium Electroplating: An Alternative to Hexavalent Chromium

Lozano-Morales¹,

Renz²,

Fortman³

et al. 2007

ECS Trans.

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Research work performed to develop a functional and decorative trivalent chromium plating process from a single, simple to control trivalent-based electrolyte to replace hexavalent chromium plating will be reported. Hexavalent chromium plating has been used for many years to provide hard, durable coatings with excellent wear and corrosion resistance properties. However, hexavalent chromium baths have come under increasing scrutiny due to the toxic nature of the bath, effects on the environment, and workers' health. In this work, Faraday is updating its accomplishments to date to achieve properties comparable to existing hexavalent chromium plating for both functional and decorative applications. Continuing work on the bath chemistry, diffusion layer, hydrodynamics, and electrically mediated process parameters will also be discussed.

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Electrolytic Looping for Through Crack Interruption During Functional Cr+3 Electroplating

Morales¹,

Inman²,

Taylor³

2008

ECS Trans.

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Hexavalent chromium plating has been used for many years to provide hard, durable coatings with excellent wear and corrosion resistance properties. However, hexavalent chromium baths have come under increasing scrutiny due to the toxic nature of the bath, effects on the environment, and workers' health. Chromium can also be electroplated using a trivalent chromium bath, but coatings plated using this bath with conventional DC processes typically cannot achieve the required mechanical properties or coating thickness, and are primarily used for decorative applications. In this paper, we present work on an electrolytic looping electrodeposition process that produces functional trivalent chromium coatings with equivalent performance characteristics to those normally associated with hexavalent chromium.

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Choosing an accelerated corrosion test

Cited by 3 publications

References 0 publications

Comparing Modeled and Experimental Accelerated Corrosion Tests on Steel

Comparing Modeled and Experimental Accelerated Corrosion Tests on Steel

Electrically Mediated Process for Functinal and Decorative Trivalent Chromium Electroplating: An Alternative to Hexavalent Chromium

Electrolytic Looping for Through Crack Interruption During Functional Cr+3 Electroplating

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