> > I'm by no means an expert, but my understanding is that magnafluxing
> > will only detect surface cracks. X-raying will detect internal
> > flaws (if they're big enough and the operator is good enough at
> > their diagnosis), but I'd guess that after 8,000 hours you'd
> > already know about any internal flaws. I guess what you need to
> > be worried about is fatigue, and I don't know of a method to
> > detect that until it progresses so far that cracks are propogated
> > to the surface. Anyone else know of one?
Fatigue generally begins at the surface.
Regards,
Paul
Paul Hammarstedt
Crystal Lake, Illinois
|