SYMPOSIA PAPER Published: 01 January 1959
STP39311S

Slipband Formation and Fatigue Cracks Under Alternating Stress

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A theory of crystal plasticity or fatigue failure in stressed metallic materials can only be established through study of deformation processes. Slip traces developing during repeated alternating stress indicate slip in the crystallites along closely defined planes. Therefore, the effect of the loading on the formation of slip markings and cracks must be studied. Fatigue tests produce maximum strain in the outer layers where structure changes can easily be observed. This paper presents results obtained on both single crystals of body-centered cubic α-iron and polycrystalline face-centered cubic aluminum.

Author Information

Hempel, MR
Max Planck Institute for Iron Research, Düsseldorf, Germany
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Details
Developed by Committee: E08
Pages: 52–82
DOI: 10.1520/STP39311S
ISBN-EB: 978-0-8031-5622-7
ISBN-13: 978-0-8031-5621-0