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A study of the fatigue properties of small diameter wires used in intramuscular electrodes

✍ Scribed by Scheiner, Avram ;Thomas Mortimer, J. ;Kicher, Thomas P.

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
894 KB
Volume
25
Category
Article
ISSN
0021-9304

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✦ Synopsis

Single and multi-strand stainless steel and cobalt-nickel alloy wires, with strand diameters from 26 to 46 pm, were fatigue tested using a modified rotating bending test to determine what factors are most important in controlling fatigue life. The relation between cyclic strain and cyclic life was determined for each material by cyclically straining test specimens at various strain ranges and recording the number of cycles to failure. The results show that (a) the fatigue curves of the 316LVM, MP35N, DBS, and Syntacoben wires are very similar and have many of the same fatigue characteristics of specimens of large cross section. (b) Multi-stranded wires have the same average fatigue life as their individual constituent strands, but the variance of that life is smaller. (c) Deformities in the wire, which are created during the manufacturing, appear to

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