Originally Posted by JWagner
Plastic deformation is the technical term for the bending or stretching of the metal prior to fracturing. In his photos it looked me like there is no deformation, only fracture. So I was curious about that. It suggests that the barrel might have been improperly heat treated. When a gun blows up, we usually see photos of a bulged barrel, or bent pieces of barrel, which are both examples of plastic deformation.
but even sowhat caused the fracture to begin with? it would still have to have something to cause it, such as a squib load. just brainsorming.