Porosity of compound layer

[eagertknow]

I wnated to know about the phenomenon of porosity formation in compound (white layer)of gas nitridied samples.
Suitable references will be appreciated.

 

[Goahead]

Why are you asking this question? Did you meet this condition? Porosity should not appear normally as a consequence of nitriding. Except if gas nitriding was applied on a porous metal layer.

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