Metal Fatigue Evaluations
Metal fatigue from nuclear plant cyclic stresses and strains is a major contributor to degradation of aging components — and a specialty at Structural Integrity Associates, Inc. (SI). In fact, EPRI® relied on SI's metal fatigue expertise to develop the EPRI Fatigue Management Handbook as well as FatiguePro©, a widely used, real-time thermal fatigue monitoring system that automatically tracks fatigue usage and transients for critical nuclear components. SI's metal fatigue services and products include FatiguePro evaluations; fatigue management handbooks that help identify potential damage locations; fatigue repair support; design of modifications to extend component fatigue life; analysis of reactor vessels and piping to determine effects of reactor water environment on fatigue life; determination of fatigue impact of cyclic thermal stratification in reactor piping; and vibration fatigue management.
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