Glass Expert Analyses a Broken Bottle

Glass failure anlysis expert witness performs a root cause failure analysis on a broken bottle. This bottle broke into pieces (lowerleft figure). A failure analysis determined that the failure origin was in the bottle neck under the plastic cap (lower right figure). The glass expert removed the cap and the the residual polish (top left figure). The neck was cut open from the side opposite the visible crack, and the failure analysis revealed that the failure originated (arrow) at a damage site on the interior of the bottle neck (top right figure). Further study is required to determine the source of the damage.