Overview of factors contributing to steel spring performance and failure
by Lauralice C.F. Canale, Renata Neves Penha, George E. Totten, Antonio C. Canale, Maria Regina Gasparini
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 2, No. 3/4, 2007

Abstract: Leaf springs and coil springs are commonly used in the motor vehicle industry. Premature fatigue failure is a common failure mode. However, the reasons for these failures may be more complex and include: design deficiencies, heat treatment, steel alloy chemistry, intergranular cracking, presence of Fe-S inclusions, and grain boundary embrittlement. This paper will provide an overview of spring steel: chemistry, heat treatment, residual stress, fatigue failure, and failure analysis of leaf and coil springs.

Online publication date: Sun, 07-Oct-2007

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