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Chapter
Fatigue-Nucleating Discontinuities
Compared to the carefully prepared surfaces typical of traditional laboratory fatigue specimens, production aircraft structures have many surface discontinuities. These discontinuities are generally very small...
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Chapter
Fleet Management, Repair and Life-Enhancement Considerations
The following first presents some lessons learnt from a career in structural integrity fleet management of military aircraft. Some typical fatigue enhancing techniques are then summarised with the lead crack f...
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Chapter
Introduction
Fatigare (L)—to tire (translated term first used for metals in 1839, in France, and 1854, in England). Fatigue occurs under cyclic loading and can significantly degrade the operational capability and safety of...
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Chapter
Some Design Considerations
Aircraft design standards provide the requirements and/or guidance to assist a manufacturer in providing a safe and durable airframe for a specific period of operation or an inspection-free period. The standar...
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Chapter
Derivative Fatigue Crack Growth Models
Following on from the lead crack fatigue lifing framework, a number of fatigue crack growth tools have been developed:
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Chapter
Lead Crack Lifing Methodology
The lead fatigue crack growth (FCG) concept has been developed into a methodology that can be used to estimate virtual test endpoints. These test endpoints can be obtained from FSFTs and large component fatigu...
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Chapter
Concluding Remarks
This book summarizes some innovative contributions to the field of aircraft structural integrity, with emphasis on the fatigue of metallic airframes. It also emphasizes the Lead Crack Fatigue Lifing Framework ...
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Chapter
Fatigue Demystified
The study of metal fatigue dates back to 1844. Despite many breakthroughs in understanding, there is still much debate over the significance of some actual and potential influences, and the ability to accurate...
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Chapter
Lead Cracks and an Example of Fatigue Lifing
Many years of QF on metallic airframe components from service and FSFTs have consistently shown that the dominant fatigue cracks (those first leading to failure) grow in an approximately exponential manner. Th...
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Book
