NOTICE

Forums are temporarily disabled while we are working on a new login procedure.

When migrating the old forums over to our new forums we were unable to retain the identity of the authors, so the old posts will show up as "anonymous". All NEW posts will show up credited to their authors. So please participate and share knowledge just as you have in the past.

You must log in if you are an existing user or register if you are a new user in order to contribute to the discussions.

Discussion Forums - The Hendrix Group
HomeHomeDiscussionsDiscussionsGeneral Corrosi...General Corrosi...316SS shaft and rubber seal in pump: fretting and preve316SS shaft and rubber seal in pump: fretting and preve
Previous
 
Next
New Post
8/6/2004 9:00 AM
 
User is offline 
No Ranking

Joined: 1/1/0001
Posts: 0
Our customer is using 316ss shaft and rubber seal for their pump. They are afraid that fretting corrosion will occur and see if there is any solution to prevent it, such as some sort of coating on the shaft. Any suggestion?
 
New Post
8/6/2004 9:00 AM
 
User is offline 
No Ranking

Joined: 1/1/0001
Posts: 0
Calvin: Fretting corrosion on a rotating shaft is not likely. It also isn't likely while stationary unless the rubber is very hard and/or the cyclic load on the shaft is high. Someone should review the specific geometry and loads to see if fretting corrosion is a potential concern before trying to apply a remedy. Hope this helps! David Hendrix The Hendrix Group Inc.
 
New Post
8/8/2004 9:00 AM
 
User is offline 
No Ranking

Joined: 1/1/0001
Posts: 0
Thx David. If something nasty occurs, what would be the remedy? The customer asked for any coating on the shaft that could prevent the fretting wear. Any suggestion such as TiN coating?
 
New Post
8/13/2004 9:00 AM
 
User is offline 
No Ranking

Joined: 1/1/0001
Posts: 0
Calvin: We hesitate to make specific recommendations without the proper background information. In general, fretting damage can be minimized by making the hardnesses between the two contacting materials greater, increasing the hardness of the component of interest, increasing the clearance between the two items, or reducing the magnititude of the cyclic loads. David Hendrix The Hendrix Group Inc.
 
 Page 1 of 1
Previous
 
Next
HomeHomeDiscussionsDiscussionsGeneral Corrosi...General Corrosi...316SS shaft and rubber seal in pump: fretting and preve316SS shaft and rubber seal in pump: fretting and preve


  

News

NEW! Calculation of Ammonium Salt Deposition Temperatures
With a little delay, our Calculation of Ammonium Salt Deposition Temperatures...read more
Sulfidic corrosion calculators NOW AVAILABLE
Our sulfidic corrosion calculators are now available at hghouston.com/calcula...read more

Stay Current

Sign up for our quarterly newsletter

covering updates on corrosion

Sign Up