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Glass Bottle Failure Analysis

March 3, 2014 By Tom Read Leave a Comment

Larger Point Impact (1/8″ Dia.) Fracture Surface at Originof 1/8″ at 40X Small Point Impact (1/32″ Dia.) Fracture Surface at Originof 1/32″ at 40X Often bottles and other glass objects fail as a result of “point impact”. Given here are two examples of point impact failure origins discovered as a result of glass failure analysis […]

Filed Under: Failure Analysis Tagged With: Bottle, Glass

Glass Cookware Failure Analysis: Pyrex Pie Plate Failure

February 18, 2014 By Tom Read Leave a Comment

Fracture Surface at One Failure Origin Assembled Pie Plate Showing Several Failure Origins Read Consulting Failure analysis lab performed a glass failure analysis. An annealed borosilicate glass Pyrex baking dish failed as a result “thermal shock”. There were multiple origins for the failure, and these all initiated at damage sites on the bottom of the […]

Filed Under: Failure Analysis Tagged With: Bottle, Cookware, Glass, Pyrex

Failure Analysis Lab Analyzes Shower Door Failure

December 15, 2013 By Tom Read Leave a Comment

Installed Shower Door   Top Roller  at Stop Disassembled Roller   Fracture Surface at Origin Tempered glass shower doors have been modernized. Recent designs have the doors suspended by rollers that ride on a pipe. In certain cases the door stop is on the top. In this case, the roller is stopped by a rubber […]

Filed Under: Failure Analysis Tagged With: Glass, Shower Door Failure, Tempered Glass

Glass Experts Examine Interior Wall of Champagne Bottles

April 10, 2013 By Tom Read Leave a Comment

The gas in champagne and most other sparkling wines results from the addition of a small amount of sugar after fermentation has ended. After the sugar addition, bottle is capped. The sugar reacts with remnant yeast and converts to alcohol and carbon dioxide. Because the bottle is sealed, the CO2 gas enters the wine as […]

Filed Under: Failure Analysis Tagged With: Bottle, Champagne Bottle, Glass, Interior Wall, M anufacturing Defect

Tempered Glass Oven Door Thermal Shock Test Failures

March 29, 2013 By Tom Read Leave a Comment

 Glass experts at Read Consulting  performed a glass failure analysis on several fully tempered glass oven doors that failed in an unexpected manner during thermal shock testing. 100% of these doors failed the glass thermal shock test. The subject tempered glass doors were painted with a 20µ thick picture frame on one side (top left […]

Filed Under: Failure Analysis Tagged With: Glass, Oven Door, Tempered Glass, Thermal Shock

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Read Consulting Failure Analysis

Thomas L. Read, PhD,
1435 Fulton Road Santa Rosa, CA
Phone: 707-494-5089
email: info@readconsulting.com

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Read Consulting Failure Analysis

Thomas L. Read, PhD,
1435 Fulton Road Santa Rosa, CA
Phone: 707-494-5089
email: info@readconsulting.com

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Registered Professional Engineer

Thomas L. Read, PhD., CEO
Registered Professional Engineer
Certificate No. MF002174
State of California.

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