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Home » Blogs » Industrial Heating Experts Speak Blog » What is the cause of surface grain-boundary oxidation on an atmosphere-carburized component made from AISI 8620?

What is the cause of surface grain-boundary oxidation on an atmosphere-carburized component made from AISI 8620?

By David Pye
June 23, 2008
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Grain-boundary oxidation or intergranular oxidation (IGO) is caused as a direct result of oxygen diffusion into the surface of the steel. The source of this oxygen is the decomposition of
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