Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Phosphating on Decarburised Layer
Dear readers,
This is a query regarding phosphating. Does the 'adherence value' of phosphating get affected by the presence of decarburised layer present on surface of carbon steel components? If yes, then how? Please give me the response as early as possible. Thanks.
Vrishali Sumant Dalvi- Mumbai, Maharashtra, India
2000
I am sure that many carbon steel parts have been unwittingly decarburized and then unwittingly phosphated. A controlled finishing process of the parts and processing will keep adhesion at an acceptable level. An abused surface will always cause finishing problems. Regards, Tom
Tom Pullizzi
Falls Township, Pennsylvania
2000
2000
Dear tom,
As decarburised layer consists predominantly of FeO, isn't it possible that Fe in free condition is not available for the reaction to get completed. just a query
Thanks.
- Mumbai, India
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