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ASM Handbook

Corrosion: Fundamentals, Testing, and Protection

Edited by
Stephen D. Cramer
Stephen D. Cramer
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Bernard S. Covino, Jr.
Bernard S. Covino, Jr.
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ASM International
Volume
13A
ISBN electronic:
978-1-62708-182-5
Publication date:
2003
Book Chapter

Predictive Modeling of Structure Service Life

By
Craig L. Brooks
Craig L. Brooks
Scott A. Prost-Domasky
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Kyle T. Honeycutt
Kyle T. Honeycutt
Analytical Processes/Engineered Solutions, Inc.
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Thomas B. Mills
Thomas B. Mills
Analytical Processes/Engineered Solutions, Inc.
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Published:
2003
Page range:
946 - 958
Publication history
December 01, 2003

Abstract

This article discusses corrosion fatigue, its effects on the damage tolerance of aircraft, and its predictive modeling. A conceptual framework is presented that incorporates two distinctive cyclic-based life-prediction philosophies and expands them both to include the time domain in order to consider the effects of corrosion. These philosophies include crack initiation used for safe-life design and crack growth used for damage tolerance. The article presents the methodology for computing the effects of real-time age degradation on an aircraft structure for two different corrosion types: crevice and pitting corrosion. It describes the rationale and techniques needed to apply the age-based structural integrity processes to in-service structures in order to realize the benefits throughout the full structural life cycle.

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Craig L. Brooks, Kyle T. Honeycutt, Thomas B. Mills, 2003. "Predictive Modeling of Structure Service Life", Corrosion: Fundamentals, Testing, and Protection, Stephen D. Cramer, Bernard S. Covino, Jr.

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