Tempered Bainite


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Posted by Rogério Tavares on April 16, 2008 at 13:21:23:

Dear experts:

After etching a 6150 spring steel quenched (845 C)in oil and tempered (425 C),using nital,I observed a microstructure different from the usual darkened tempered martensite.It consisted of a colored gray web spread towards the surface of the specimen.Can it be tempered bainite?

Thanks in advance


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