Failure analysis expert witness was asked to perform a root cause failure analysis of a wood shipping crate failure. It rolled over and caused a factory worker injury. The wooden crate in question was loaded with 3mm thick sheets of glass. This crate was designed such that there was a four-inch lengthwise gap in the […]
Glass Expert Discusses Potential Manufacturing Defect
A manufacturing defect was claimed by a purchaser of a bottle of wine. The bottle defect claim was that there were three pieces of foreign material in the wine. The photograph above shows the food contamination. Two are pieces of glass that appear to match the top of the contaminated bottle. The third piece is […]
Glass Failure Analysis of Tramp Glass
As a part of a product liability case, a glass failure expert was asked to determine if a piece of “tramp glass” found by a consumer (Upper left photo) was put into the bottle after it was opened. There was a companion bottle from the same six pack that also had glass contamination(upper right photo). […]
Botle Manufacturing Defect
Glass failure analysis expert performs a root cause failure analysis on a bottle failure. In this case a manufacturing defect was causing numerous failures on a manufacturing line. The tops of these small bottles were coming off. The upper left photomicrograph is with the two halves of the bottle re-assembled. […]
Manufacturing Defect Analysis: White Rust Corrosion
A new barn built with galvanized and painted steel demonstrated the type of defect shown in the photograph on the left. After less than one year verticle lines of white spots appearedon the painted surface. These spots were examined by a coating engineer to determine the root cause of the defect. Associated […]