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Abstract

The pointed ends of several stainless steel forceps split or completely fractured where split portions broke off. All the forceps were delivered in the same lot. The pointed ends of the forceps are used for probing and gripping very small objects and must be true, sound, and sharp. Analysis supported the conclusion that the failures to be the result of seams in the steel that were not joined during hot working. Recommendations included that closer inspection of the product take place at all stages of manufacturing. Inspection at the mill will minimize discrepancies at the source, and the inspection of the finished product will help detect obscure seams.

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Prongs on Forceps That Split and Fractured Due to Forging Seams, ASM Failure Analysis Case Histories: Medical and Biomedical Devices, ASM International, 2019, https://doi.org/10.31399/asm.fach.med.c0047158

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