Skip to Main Content
Skip Nav Destination


Threads of a bone screw (Co-Cr-Mo alloy, type ASTM F75) had broken off, and other threads had cracked. 15x sectioning showed porosity, and 155x magnification showed gas holes, segregation, and dissolved oxides. This supports the conclusion that manufacturing defects caused the failure.

You do not currently have access to this chapter.
Don't already have an account? Register

Retrieved Bone Screw Made From Co-Cr-Mo Alloy with Casting Defects, ASM Failure Analysis Case Histories: Medical and Biomedical Devices, ASM International, 2019,

Download citation file:

Close Modal

or Create an Account

Close Modal
Close Modal