Quote Originally Posted by mainaman View Post
Diamonds come loose off the plates, as well as micro chipping (they are hard but also brittle) will round the sharp corners until they do not cut very effectively any more.

I lapped my Suehiro with my new Atoma 400, it worked very fast. Now after months of use of the Atoma I notice it is slower on the Suehiro.
Right. But they aren't being "eroded" in the sense of river rocks being eroded by water, right? They are either fracturing into smaller pieces or being removed from the plate due to the weakest link being the binder that holds them to the steel?