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Failure Analysis of Restaurant Glass Coffee Mug

February 1, 2015 By Tom Read Leave a Comment

Failure analysis laboratory performed a root cause failure analysis on a restaurant glass coffee mug that failed unexpectedly when it was lifted off the table and injured a server. The bottom of the mug separated from the rest of the mug . The origin of the failure was on the interior of the mug at […]

Filed Under: Failure Analysis Tagged With: Coffee Mug, Glass, Mug

Glass Expert performs a Failure Analysis of a Wine Glass

November 9, 2014 By Tom Read Leave a Comment

 California glass expert performed a failure analysis on a failed wine glass. Glass failure analysis requires locating the fracture origin. The origin is then analyzed microscopically to determine the cause of failure. In this case the failure origin was on the rim of the glass. At the failure origin is a very small mirror fracture […]

Filed Under: Failure Analysis Tagged With: Glass, Wine, Wine Glass

Assessing Already Broken Tempered Glass

August 4, 2014 By Tom Read Leave a Comment

Glass Expert at Read Consulting is asked to assess whether a broken window or shower door was fully tempered. One method is to select the ten largest “crack free” pieces and determine if these can fit into a 10 square inch area. In the photo above, a 3″ X 3″ (approximately 10 square inches) “frame” […]

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

Glass Bowl Failure Analysis

July 17, 2014 By Tom Read Leave a Comment

A Read Consulting glass expert witness performed a glass failure analysis of a glass crack driven by thermal stresses. The failed bowl cracked in a microwave oven. Often failures with known causes can be analyzed to lend insight as to the cause of an “unknown” glass fracture. This fracture has many of the aspects of […]

Filed Under: Failure Analysis Tagged With: Bowl, Glass

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

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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

  • Home
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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

Connect With Read Consulting

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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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