Often plastic structures are held together with molded in “clips”. These clips snap into place and hold the structure together. As a result, they see significant stress over their lifetime. Initially the clips operate satisfactorily; however, over time, they can become brittle if exposed to sunlight. The ultra violet wavelength region of natural sunlight may […]
Product Defect, Fatigue Failure of Glass Coffee Pot.
Glass is a brittle material, and it is not expected to fail from fatigue. To test this possibility, a borosilicate glass (i.e. low coefficient of thermal expansion) coffee was selected. The coffee pot bottom was scratched using a wet scrubbing pad It was then thermal “shocked” by heating it to 160° C and plunged […]
Auto Front Suspension Failure Analysis: Rubber Fatigue
Read Consulting performed a failure analysis on a failed automobile front suspension. The suspension failed causing the automobile to veer and crash. This suspension included a large rubber “disc” that absorbed part of the suspension deflection energy. Because this is system is in the front, it is critical for steering and maintaining vehicle control. In […]
Manufacturing Expertise
Thomas L. Read, PhD. is a licensed manufacturing engineer with over 40 years of hands on experience solving manufacturing problems. This includes equipment and product design, product life testing and new product introduction. Read Consulting has analyzed first articles from overseas, performed failure analysis to pinpoint manufacturing problems and has advised numerous clients on issues […]
Bungee Cord Failure Analysis
Bungee cords are often used to secure cargo. However, they can fray and age. The cloth cover can open up and allow UV degradation of the rubber inside. In addition, heat can also cause the interior rubber to degrade. Before using a bungee cord, be sure to examine it to be sure it is in […]
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