Uniform corrosion commonly occurs on metal
surfaces having homogeneous chemical composition
and microstructure. Access to the metal
by the attacking environment is generally unrestricted
and uniform. Any gradient or changes in
the attacking environment due to the corrosion
reaction or stagnancy can change the degradation
mode away from uniform corrosion. At the microlevel,
uniform corrosion is found to be an
electrochemical reaction between adjacent
closely spaced microanodic and microcathodic
areas. Consequently, uniform corrosion might be
considered to be localized electrolytic attack occurring
consistently and evenly over the surface
of the metal.
corrosion. Passive materials, such as stainless
steels, aluminum alloys, or nickel-chromium
alloys are generally subject to localized corrosion.
Under specific conditions, however, each
material may vary from its normal mode of corrosion.
Uniform corrosion commonly occurs on metal
surfaces having homogeneous chemical composition
and microstructure. Access to the metal
by the attacking environment is generally unrestricted
and uniform. Any gradient or changes in
the attacking environment due to the corrosion
reaction or stagnancy can change the degradation
mode away from uniform corrosion. At the microlevel,
uniform corrosion is found to be an
electrochemical reaction between adjacent
closely spaced microanodic and microcathodic
areas. Consequently, uniform corrosion might be
considered to be localized electrolytic attack occurring
consistently and evenly over the surface
of the metal.
corrosion. Passive materials, such as stainless
steels, aluminum alloys, or nickel-chromium
alloys are generally subject to localized corrosion.
Under specific conditions, however, each
material may vary from its normal mode of corrosion.
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