More testing on my Barrels

[Mike Franzen]

Today I took my barrles that I had previously mentioned in the thread "Barrel Inclusion", to TSI for some testing. TSI tests metal parts for the Aerospace industry looking for flaws, weaknesses, etc. They spent 4 hours with the barrels and were fascinated by them. About 10 different specialists looked them over. Both barrels were ultrasonically measured for thickness at the breech, 6", 12" 18", 24" and the muzzle. Then the area in question was painted with penetrating dye and viewed under ultraviolet light. Next, they were put under a high resolution microscope. Finally the area was xrayed to try and determine extent of the damaged area. I've included a few pics from what was a very interesting day.