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 […]
Read Consulting Failure Analysis Blog
In addition, READ CONSULTING provides services to industry in the areas of failure analysis, process development and process improvement. Read Consulting is prepared to use its experience and expertise to analyze customers' specific problems.
Glass Oven Door Failure Analysis
A glass failure analysis was performed on a failed oven door made from heat strengthened glass. The glass in the door is connected to the handle with a metal clip placed directly onto the glass. The edges of the clip on the handle were not properly de-burred. Over time the normal use of the oven […]
Swimming Pool Tile Cracking: Glass v. Porcelain
There are two dominant modern tile types made for showers and swimming pools. These are glazed ceramic tiles and glass tiles. In these applications the tiles are exposed to thermal shock. Theoretically both tile types perform the same function. So it is important to understand the expected level of resistance to thermal shock for these […]
Metal Failure Expert Discusses Failure Analysis of Brass Plumbing
Dezincification is the corrosion brass alloys where the Zn in the alloy reacts preferentially in a corrosive environment. Basically zinc is lost and porous copper is left behind. Red brass (i.e. <15 wt% Zn) does exhibit dezincification; however, the occurrence is rare because the Zn is absorbed in the copper matrix. Yellow brass with >25wt% […]
Brass Plumbing Failure Analysis: Dezincification
Brass is an alloy consisting of copper (Cu) and Zinc (Zn) and exists in two general categories: Red Brass: The two main constituents are Zn at less than 15wt % Cu at greater than 80wt %. This alloy has a red tint because all the Zn is dissolved in the Cu. This material rarely shows […]
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