California Failure Analysis lab performed a compound bend test to determine if the failure surface can be at an angle to the surface. One curious result was a curved fracture surface. This occurs when the clamp on the topside (i.e. tensile side) was behind the support underneath. If the two clamped sides are aligned, the crack is […]
Glass Expert Performs Glass Bottle Failure Analysis
Read Consulting failure analysis lab was asked to determine the cause of failure of a small glass cosmetic bottle that had failed in on the filling line as the cap was being tightened. A glass failure analysis was performed using a low power microscope. The root cause of the failure was a chill check on […]
Glass Expert Discusses Modern Auto Windshields
California glass expert has been involved with evaluation automobile windshields. One way car manufacturers can increase automobile mileage is to decrease weight. A part of this effort has been to reduce the weight of automobile windshields. This is done by reducing the thickness of the windshield. Upper left is a representative cross section of a […]
Glass Expert Analyzes Drinking Glass Failure
The glass experts at Read Consulting were asked to perform a glass failure analysis on a drinking glass that had failed in a restaurant and had injured a customer. The customer had just filled the glass with cold water and was lifting it when it fell apart causing an injury. failure analysis determined that the […]
Glass Expert Performs a Window Defect Analysis
California glass expert was asked to analyze a window defect that appears as a streak in the window. The glass failure analysis showed that the streaks in the window were strings of bubbles near the surface of the glass. Upper right is a photograph of the window defect which appears as streaks. Upper left is […]
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