Originally Posted by
Kimmo
Being highly engineered aluminium, it's going to be prone to fatigue. If it was me, I'd try to remove the stress risers if they're not too deep, at least smooth it out a bit.
The concern that I have is that removing the stress risers will probably introduce other stress risers. The stress risers from the gouges are rather randomly oriented. A file introduces oriented stress risers. To my way of thinking, random is better than oriented.