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Abstract

A brittle-like crack propagation caused failure in a rubber office-chair roller. A crack initiated from the inside of the roller and propagated in a discontinuous brittle-like fashion, as indicated from the evolution of concentric fracture striations. Compressive fatigue was a dominant mode of loading. Nevertheless, the fracture surface of the failure-causing crack suggested a tensile-stress component was involved in driving failure.

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Failure of a Rubber Office-Chair Roller, ASM Failure Analysis Case Histories: Household Products and Consumer Goods, ASM International, 2019, https://doi.org/10.31399/asm.fach.homegoods.c0048536

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