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Glass Expert Performs Bottle Failure Analysis

August 30, 2010 By Tom Read Leave a Comment

A glass failure expert witness performs a failure analysis on a failed cosmetic bottle. As received, the top of the bottle had broken off. Upper left is a photograph of ‘as receceived’ failed bottle. Approximately one half of the bottle finish had broken off. Read Consulting performed a glass failure analysis to determine if this […]

Filed Under: Failure Analysis Tagged With: Bottle, Failed Bottle, Photomicrograph

Glass Fracture Due to Liquid Pressure

August 20, 2010 By Tom Read Leave a Comment

Glass failure analysis expert witness performs a failure analysis on a hollow glass tube that failed due to internal pressure. The glass fracture initiated at a small bruise on the outer surface of the glass tube. The upper left 25X photomicrograph gives an overview of the failure. One can see that the glass fracture analysis […]

Filed Under: Failure Analysis Tagged With: Glass, Glass Fracture, Glass Tube, Photomicrograph

GLass Expert Discusses Chill Cracks

August 7, 2010 By Tom Read Leave a Comment

Glass failure analysis expert witness discusses a common glass bottle manufacturing defect. After the bottle has been formed it is removed hot from the clam shell tool. If it encounters any localized cooling at this stage, it can form a manufacturing defect called a “chill crack”. Thermal shock cause the cooled area to shrink, and […]

Filed Under: Failure Analysis Tagged With: Bottle, Chill Cracks, Glass, Glass Failure

Cosmetic Bottle Failure Analysis

August 2, 2010 By Tom Read Leave a Comment

Glass failure analysis expert witness performs failure analysis on a broken small cosmetic bottle. This bottle failure occured when it was being capped on the line. The objective of the analysis was to determine the cause of the failure and to advise the bottle manufacturer. The bottle broke into two pieces, and these are shown […]

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

Pyrex Glass Failure Analysis: Glass Baking Dish Failure Analysis

July 12, 2010 By Tom Read Leave a Comment

California glass expert witness performed a failure analysis on a pyrex glass baking dish. This dish was made from pyrex borosilicate glass, and the glass failure occured as the dish was being removed from the oven. The failure initiated at an internal glass defect. The defect appears to be a colapsed bubble (seed) in the […]

Filed Under: Failure Analysis Tagged With: Borosilicate Glass, Glass, Pyrex, Tempered 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

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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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