Long-Term Strength of Materials: Reliability Assessment and Lifetime Prediction of Engineering Structures

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The physics of fracture processes, which includes Fracture mechanics, is crucial for understanding the longevity and reliability of any structure, from fracture initiation to propagation and final catastrophic failure. This textbook introduces the thermodynamics of irreversible processes along with entropy to address the time dependency of fracture.

Working from observations of structural failure, the book identifies the principal failure types such as brittle fracture, with considerations of solo crack initiation and crack propagation associated with collective distributed damage. The other type is ductile fracture, when a crack blunts immediately on the application of stress resulting in large deformation. The book then addresses the life of a structure in a specific environment and load condition, using irreversible thermodynamics and the entropy criterion to address cooperative fracture and novel statistical Fracture mechanics to address solo fracture.

    • Applies well-established concepts from mechanics, absent in contemporary Fracture mechanics

    • Uses novel concepts of mechanics, irreversible thermodynamics, and statistical Fracture mechanics

    The book is ideal for graduate students and design engineers in civil and materials engineering, as well as mechanical and chemical engineering. Students using the book need no more than basic college-level mechanics, mathematics, and statistics knowledge.

    Author(s): Alexander Chudnovsky, Kalyan Sehanobish
    Publisher: CRC Press
    Year: 2023

    Language: English
    Pages: 224
    City: Boca Raton

    Cover
    Half Title
    Title
    Copyright
    Dedication
    Contents
    Preface
    Introduction
    Cosmic Fracture Phenomena
    Fracture Phenomena in Nature
    Fracture in Engineering Structures
    1 Review of Classical Strength of Materials
    Classification of Fracture Types
    Stress Analysis and Failure Criteria
    Lessons from Case Studies
    2 Commonly Used Mathematical Tools
    3 Equations of Elasticity
    4 Conventional Fracture Mechanics
    Lifetime Prediction—Empirical and Physics-Based Approaches
    Quality of Energy
    Calculation of the Potential Energy Release Rates
    5 Cooperative Brittle Fracture (Lifetime Prediction)
    Slow Crack Growth (SCG)
    Micromechanics of CL
    Mechanisms and Kinetics of Slow Crack Growth
    Thermodynamics and Phenomenological Modeling of CL
    Rectilinear CL Propagation (Single Parameter Model)
    CL Propagation in an Unstable Configuration
    Crack Trajectory Considerations
    Crack Propagation Preceded by Cold Drawn Fibers
    SCG in PE
    Summary of Observations and Discussion
    Cold Drawing Phenomenon in Semi-crystalline Thermoplastics
    Delayed Necking
    6 Solo Brittle Fracture and Statistical Fracture Mechanics
    Scale Effect in Toughness
    Summary (Bridge between Statistical Fracture Mechanics and Crack Layer)
    References
    Appendix I
    Appendix II
    Appendix III
    Appendix IV
    Index