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Article | REF: BM5043 V1

Fatigue of ferrous alloys - Influencing factors

Author: Jian LU

Publication date: January 10, 2003

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When we measure the fatigue limit of a material with specimens of a common type, we do not obtain the same value (always with σ m = 0) in rotary bending (the most common test) as in plane bending or tension-compression; in torsion, as we determine shear, we find a significantly lower value in the ratio 1/ 3 . Thus, taking a coefficient of 1 for rotary bending 1

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