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Failure Analysis Expert Examines a Broken Champagne Bottle

May 25, 2011 By Tom Read Leave a Comment

A California failure analysis expert witness was asked to perform a glass failure analysis on a champagne bottle that had failed “spotnaeously”. Because champagne is under pressure and in glass, there are warnings not to use a cork screw to remove the cork. However, there are cases where the cork is stuck and people will […]

Filed Under: Failure Analysis Tagged With: Bottle, Champagne Bottle, Expert Witness, Glass, Manufacturing Defect

Safety Glass Expert Performs Tempered Glass Analysis

May 5, 2011 By Tom Read Leave a Comment

                Glass failure analysis often requires understanding of safety glass. Normal window glass is in the annealed state. Therefore, it will break into large sharp shards that can injure a person who breaks through it. In order to reduce the probability of failure and the possibility of injury […]

Filed Under: Failure Analysis Tagged With: Chemically Tempered, Safety Glass, Tempered Glass Llaminated

Similarities of Fatigue Failures in Various Materials

April 22, 2011 By Tom Read Leave a Comment

A California materials expert has performed hundreds of materials failure analysis on a wide variety of materials. Surprisingly fatigue failures have the same appearance regardless of type of material. Above are three examples of fatigue. Upper left is a sample of a rubber fatigue failure. This is very similar in appearance to the CPVC pipe […]

Filed Under: Failure Analysis Tagged With: Fatigue Failures, Materials Expert

California Failure Analysis Expert Witness Examines Failed Glass Pool Tiles

April 18, 2011 By Tom Read Leave a Comment

California glass expert performed a failure analysis on several broken glass tiles. These tiles were above the water line in a swimming pool. The failed tiles were removed and submitted for failure analysis. It was impossible to open the tiles to examine the fracture surface. The thin set mortar had “squeezed” into the crack and […]

Filed Under: Failure Analysis Tagged With: Expert Witness, Glass, Photomicrograph, Pool Tiles

Glass Fracture, Califirnia Glass ExpertPerforms Bottle Failure Analysis

March 28, 2011 By Tom Read Leave a Comment

California failure analysis expert witness was asked to perform a detailed failure analysis of a broken wine bottle. Glass fractography was used to determine the root cause failure mode. The failure originated at damage caused by the prop on the cork screw. The fact that there were two damage sites on opposite sides of the […]

Filed Under: Failure Analysis Tagged With: Bottle, Fractography, Glass, Manufacturing Defect

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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

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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