Nadimuthu,
Thank you very much for your explanation of the effect. My company does not employ chemists. As a repair facility they only care about structural engineering and every attempt to get information in other disciplines has proven that they do not have any knowledge of any other...
SMF1964,
The temperature does not exceed 1000°F. I'm not sure what cleaning you're in reference to; part or furnace? As far as I know there is sufficient cleaning of parts before and after heat treat, but of the furnace, I believe they hardly ever clean it. Not that they would know how to...
This has been a topic of much debate... I work in an aircraft repair facility where sometimes we manufacture aluminum parts. These parts are then treated in various ways for temper, aging, annealing, etc. There is a concern though regarding steel and the fact that steal can and does liberate...
