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Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Hydrogen Embrittlement and Electroless Nickel
After plating a carburzied steel with electroless nickel, how many hours can the hyrdorgen embrittlement bake be delayed?
Daniel Bemenderfer- Indianapolis, Indiana
2001
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How long after the onset of infection should you delay the administration of antibiotics? 24 hours is absolutely too long. 12 hours is definitely too long. 4 hours is becoming the new "standard". Some specs are beginning to call for one hour maximum. The right answer is to look towards tomorrow and accept that the parts should go directly from the plating line to the oven.  Ted Mooney, P.E. Striving to live Aloha finishing.com - Pine Beach, New Jersey 2001 There are various retention times depending on the specification you are conforming to. I have seen 4 hours and 8 hours. I reccommend trying to get them to the oven as soon as possible. The longer the retention time is delayed, the longer the atomic hydrogen has to migrate into the substrate. Best of Luck. Ira Donovan, M.S.F.Kansas City, Missouri 2001 |
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