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Wear on a titanium screw head with a lip of material that that was transported by fretting at a plate-hole edge was studied. A flat fretting zone was visible on the screw surface over the material lip. A cellular wear structure containing wear debris was found. No morphological signs of corrosion were observed in connection with fretting structures.

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2019. "Titanium Screw Head With Fretting Structure at Contact Area With Plate Hole", ASM Failure Analysis Case Histories: Medical and Biomedical Devices

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