In addition to doors and windows, tempered soda lime glass is being used for numerous applications that require heat resistance. For example, it is being used for oven door windows. Below is an example of a specific application for a heat resistant glass. A company manufacturing grow lamps had the lamps in a recessed reflective […]
Window Expert Examines Clad Wood Windows Failures
Clad wood windows are attractive and supposedly practical. These windows are clad on the outside with either vinyl or metal. The window interior is bare wood. The idea is to have an attractive interior and a protected exterior that is pre-finished and needs little or no maintenance. Read Consulting examined metal clad wood windows that […]
Corrosion of Two Types of Galvanized Nails
Galvanizing is the process of coating steel with zinc (Zn). The zinc is anodic with respect to steel; therefore, it will sacrifice to the steel in a corrosive environment. This means that the zinc will preferentially corrode and protect the steel, but this process is sacrificial. This protection will only last as long as Zn […]
Failure Analysis Laboratory: Exploding Champagne Bottle Failure
Background: The neck interior of all wine bottles is narrower at the very top than lower down in the bottle. The bottle interior is an inverted cone. So, due to cork expansion after bottling, the bottom of the cork is wider than the part at the top of the neck. This is how the cork […]
Bottle Sealing Failure Analysis to Find Cause of Bottle Leaking
Many products are packaged in glass bottles sealed by a cap with a pliable polymer liner. Some products such as jelly are sealed hot and this creates a vacuum seal. Other products such as soda and beer are sealed under pressure. Proper sealing requires that the bottle seal surface be smooth and not have a […]
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