ATI Consulting specializes in aging management for critical plant components, with concentration on assessment and management of the degradation of nuclear reactor vessel integrity due to the effects of neutron embrittlement.  ATI is among the leaders in the application of the Master Curve Methodology for determination of material fracture toughness, and has been instrumental in affecting several beneficial changes to Appendix G of Section XI of the ASME Code.

ATI 's specific technical capabilities include:

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Reactor Vessel Embrittlement Management

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Reactor Internals Aging Degradation Management

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Nuclear License Renewal Issue Analyses & Resolution

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Component Performance Evaluations

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Failure Analyses

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Fracture Mechanics

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Leak-Before-Break Analyses

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In-Service Testing Program Development

ATI personnel are internationally recognized as experts in the area of fracture mechanics, failure analyses, fatigue analysis, and reactor vessel embrittlement.  This expertise supports our comprehensive component life cycle management capabilities and services involving the development of programs and systems designed to manage plant equipment and material performance from the initial design bases through the life of plant operations.  The objective of such programs is increased reliability combined with the establishment of a database to support decisions for ongoing plant modifications and future license renewal.