Sintered Iron Part - Gas Nitriding Unsuccessful
January 5, 2020
Q. Hello, we are sintered iron parts manufacturing company.
Currently we are trying to Nitride a part aiming to make it corrosion resistant.
Sintered iron copper(1.5%) carbon(0.6%) part
Sintered 30mins at 1110 C
Density: 6.8-7.0 gm/cm3
We tried gas nitriding the part in ammonia with cycle time of 12 hours.
Result was a very brittle part. Corrosion resistance was achieved but at cost of strength.
Any insight towards how to maintain the core strength while getting corrosion resistance is much appreciated.
- Rajkot, Gujarat, India
January 13, 2020
A. It is usually possible to electroplate zinc after impregnation with resin. Here in the USA articles are often mechanically plated with zinc; a process that does not require impregnation.
Plating Systems & Technologies, Inc.
Jackson, Michigan, USA
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