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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

Champagne Bottle Glass Failure Analysis

July 4, 2010 By Tom Read Leave a Comment

Glass failure expert performed a complete glass failure analysis on numerous champagne bottles that had failed in the riddling process. These bottles are used for riddling and they are made from a large amount of re-cycled glass. Several of these bottle failures initiated at a site that had a piece of unmelted cullet (Note: Cullet […]

Filed Under: Failure Analysis Tagged With: Bottle, Champagne Bottle, Glass, Unmelted Cullet

Grinding Wheel Failure Analysis

June 7, 2010 By Tom Read Leave a Comment

Failure analysis expert witness performed a failure analysis on a broken grinding wheel. This is part of a product liability case where it was claimed that the wheel broke apart during normal use and injured the user. Examination of the wheel showed that the wheel had been broken by someone clamping it and breaking off […]

Filed Under: Failure Analysis Tagged With: Grinding Wheel, Manufacturing Defect, Photomicrograph, Product Defect, Product Liability

Shaping Flat Glass

May 26, 2010 By Tom Read Leave a Comment

Glass expert describes the condition of the edges of windows, mirrors and other flat glass pieces. Almost all flat glass pieces are shaped from larger pieces using glass scribe and break techniques. Thus the edge of the part has two distinct sides. The photograph above is a microscopic picture of a the edge of an […]

Filed Under: Failure Analysis Tagged With: Automobile, Glass, Safety Glass, Window

Glass Machining Expert Discribes Antique Scribed Edge

April 27, 2010 By Tom Read Leave a Comment

Glass expert had he opportunity to examine the edge of antique rolled, ground and polished window glass. This glass was removed from a greenhouse built in 1930. The window glass was sized by glass scribing and breaking it from a larger piece of glass. Above is a photomicrograph of the edge of the window. The […]

Filed Under: Failure Analysis Tagged With: Breaking, Expert Witness, Glass, Glass Machining, Scribing

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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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