SEDL / STP / STP738-EB / STP33459S

Statistical Analysis of Fatigue Crack Growth

Bastenaire, F
Head of Statistics Department, head of Fatigue and Weldability Department, research engineer, Statistics Department, and research engineer, Fatigue Department, IRSID, Saint Germain en Laye,

Lieurade, H-P
Head of Statistics Department, head of Fatigue and Weldability Department, research engineer, Statistics Department, and research engineer, Fatigue Department, IRSID, Saint Germain en Laye,

Régnier, L
Head of Statistics Department, head of Fatigue and Weldability Department, research engineer, Statistics Department, and research engineer, Fatigue Department, IRSID, Saint Germain en Laye,

Truchon, M
Head of Statistics Department, head of Fatigue and Weldability Department, research engineer, Statistics Department, and research engineer, Fatigue Department, IRSID, Saint Germain en Laye,

Pages: 8    Published: Jan 1981

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Abstract

The object of this paper, which assumes the validity of Paris's equation, is to derive satisfactory estimates of the two constants C and m in the following conditions: (1) numerical process leading to the estimates of C and m is based on a rationale that takes into account the physical and statistical aspects of fatigue crack growth, and (2) the result of the fit compares favorably with existing procedures.