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You are here: Home / Archives for Fracture

Glass Expert Discusses Bend Test Fracture Surface

September 25, 2012 By Tom Read Leave a Comment

California Failure Analysis lab performed a compound bend test to determine if the failure surface can be at an angle to the surface. One curious result was a curved fracture surface. This occurs when the clamp on the topside (i.e. tensile side) was behind the support underneath. If the two clamped sides are aligned, the crack is […]

Filed Under: Failure Analysis Tagged With: Fracture, Glass

California Glass Expert Performs a Failure Analysis on a Glass Bowl

February 25, 2011 By Tom Read Leave a Comment

A glass failure analysis was performed on a glass mixing bowl. An overview of the failed glass bowl is shown in the upper left photograph. This bowl failed as a result of thermal stresses. The crack originated at the bottom of the bowl and spread in one direction around the entire bottom. The thermal stresses […]

Filed Under: Failure Analysis Tagged With: Fracture, Glass Bowl, Mixing Bowl, Thermal Stress

Product Liability, Chair Failure Analysis

February 11, 2010 By Tom Read Leave a Comment

Failure analysis expert witness examined a failed hospital chair. The chair failed during a breast X-ray examination. The chair had been altered 3 years prior to the failure, and the machine shop that had made the alterations was accused of causing the fatigue failure. Examination of the chair discovered hammer marks on a critical region […]

Filed Under: Failure Analysis Tagged With: Chair, Fatigue, Fracture, Product Liability

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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