Practical Failure Analysis

, Volume 2, Issue 4, pp 65–69 | Cite as

Fracture characteristics of steering gear sector shafts

  • J. D. Varin
Peer Reviewed Articles


The sector shaft is a critical component of an automotive power assisted recirculating ball steering gear and one that is vulnerable to fracture due to loads transmitted through the steering linkage under certain conditions. This paper describes conditions under which such fractures can occur and the characteristics that distinguish the most frequently observed fractures.


sector shafts steering gears torsional fracture 


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Copyright information

© ASM International - The Materials Information Society 2002

Authors and Affiliations

  • J. D. Varin
    • 1
  1. 1.P.E.Royal Oak

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