Crack Dynamics in Metallic Materials PDF Download
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Author: J.R. Klepaczko
Publisher: Springer
ISBN: 3709128242
Category : Technology & Engineering
Languages : en
Pages : 499
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Book Description
This book provides an up-to-date knowledge on theory and experimental results of rate-dependent fracture processes in metallic materials. The objective is to expose the current status of a growing branch of fracture mechanics called generally "Dynamic Fracture". Crack dynamics takes into account not only the effects of inertia but also rate sensitivity of a material under consideration. This volume has been prepared by four leading authorities in fracture dynamics: D.R. Curran, J.F. Kalthoff, J.R. Klepaczko and F. Nilsson. A broad range of problem is covered: dynamic fracture theory, application of dynamic fracture mechanics, dynamic crack inition and microstatistical fracture mechanics in dynamic fracture. The book in its present format may serve as a text supplement in lecturing on fracture mechanics. On the other hand, it may serve as an instructional aid in engineering of fracture prevention.
Author: J.R. Klepaczko
Publisher: Springer
ISBN: 3709128242
Category : Technology & Engineering
Languages : en
Pages : 499
Get Book Here
Book Description
This book provides an up-to-date knowledge on theory and experimental results of rate-dependent fracture processes in metallic materials. The objective is to expose the current status of a growing branch of fracture mechanics called generally "Dynamic Fracture". Crack dynamics takes into account not only the effects of inertia but also rate sensitivity of a material under consideration. This volume has been prepared by four leading authorities in fracture dynamics: D.R. Curran, J.F. Kalthoff, J.R. Klepaczko and F. Nilsson. A broad range of problem is covered: dynamic fracture theory, application of dynamic fracture mechanics, dynamic crack inition and microstatistical fracture mechanics in dynamic fracture. The book in its present format may serve as a text supplement in lecturing on fracture mechanics. On the other hand, it may serve as an instructional aid in engineering of fracture prevention.
Author: Alojz Ivankovic
Publisher: WIT Press (UK)
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 232
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Book Description
Covering various aspects of dynamic fractures this book contains state-of-the-art contributions from leading scientists in the field of crack dynamics.
Author: Lili Wang
Publisher: Academic Press
ISBN: 012817322X
Category : Technology & Engineering
Languages : en
Pages : 612
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Book Description
Dynamics of Materials: Experiments, Models and Applications addresses the basic laws of high velocity flow/deformation and dynamic failure of materials under dynamic loading. The book comprehensively covers different perspectives on volumetric law, including its macro-thermodynamic basis, solid physics basis, related dynamic experimental study, distortional law, including the rate-dependent macro-distortional law reflecting strain-rate effect, its micro-mechanism based on dislocation dynamics, and dynamic experimental research based on the stress wave theory. The final section covers dynamic failure in relation to dynamic damage evolution, including the unloading failure of a crack-free body, dynamics of cracks under high strain-rate, and more. - Covers models for applications, along with the fundamentals of the mechanisms behind the models - Tackles the difficult interdisciplinary nature of the subject, combining macroscopic continuum mechanics with thermodynamics and macro-mechanics expression with micro-physical mechanisms - Provides a review of the latest experimental methods for the equation of state for solids under high pressure and the distortional law under high strain-rates of materials
Author: Kazuo Arakawa
Publisher: Kyushu University Press
ISBN: 4798599956
Category : Science
Languages : en
Pages : 121
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Book Description
This book discusses solid dynamics with energy dissipation characteristics based on fundamental studies of friction, impact and fracture. Friction is one of the most significant physical phenomena in daily life, and has thus been widely studied since ancient times. The force of static friction is given by F = μN, where μ is the coefficient of friction and N is the contact force at the interface. However, many aspects of dynamic friction are still not well understood. This book presents fundamental studies on dynamic sliding friction based on experimental and model analyses, and demonstrates a number of findings. First, the sliding friction force in the dynamic case can be given by Fd = λAv, where λ is a parameter related to the surface condition, A is the contact area, and v is the sliding velocity. Second, stick-slip motion on flat surfaces can be represented by a mass–spring system with a dashpot with damping constant c (=λA). Third, the plowing force due to hard conical asperities on soft surfaces is given by Pf = λ'A'v, where λ' is a parameter associated with the surface condition of the asperities, A' is the plowing cross-sectional area, and v is the sliding velocity of the asperities; the damping factor cp (=λ'A' ) influences stick-slip motion during the plowing process. Friction also plays an important role in oblique impacts. This book describes the effect of friction on the impact of golf balls. First, the impact behavior is studied using high-speed video, and the spin or angular velocity ω of the ball during impact is determined. The contact area of the ball is also determined, using a rigid transparent target. Second, the effect of friction on ω is described, assuming that F = μN + μη'dA/dt, where η' is a coefficient associated with the contact surface and dA/dt is the time derivative of the contact area A. The friction effect is also derived using Fd = λAv, where λAv is qualitatively equivalent to the empirical relationship μN + μη'dA/dt. Third, the friction-induced shear vibration of the ball can be predicted by an elastic sphere model given by Fd = λAv. Similar to sliding friction, dynamic fracture is also a representative feature of solid dynamics with energy dissipation characteristics. A crack tip in brittle materials propagates dynamically and exhibits crack branching or arresting according to the crack acceleration or deceleration. This phenomenon is qualitatively in accord with stick-slip friction. This book investigates dynamic crack propagation using the method of caustics and a high-speed camera. First, the stress intensity factor Kd for the dynamic case is evaluated and correlated with crack velocity and acceleration. Second, these parameters are correlated with the change in roughness of the fracture surfaces. Crack branching is also studied to understand the energy dissipation. Third, the relationship between Kd and crack velocity is examined based on the unloading rate of the specimen during crack propagation. Different specimen geometries and loading methods are used to clarify the effect of solid dynamics.
Author: K. Bertram Broberg
Publisher: Elsevier
ISBN: 0080503276
Category : Technology & Engineering
Languages : en
Pages : 771
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Book Description
Cracks and Fracture consists of nine chapters in logical sequence. In two introductory chapters, physical processes in the vicinity of the crack edge are discussed and the fracture process is described. Chapter 3 develops general basic concepts and relations in crack mechanics, such as path independent integrals, stress intensity factors and energy flux into the crack edge region. Chapters 4-7 deal with elastostatic cracks, stationary or slowly moving elastic-plastic cracks, elastodynamic crack mechanics and elastoplastic aspects of fracture, including dynamic fracture mechanics. Appendices include general formulae, the basic theory of analytic functions, introduction to Laplace and Hankel transforms and description of certain basic relations, for instance for stress waves in solids. There is an extensive bibliography, containing references to both classical and recent work, and a comprehensive index. Presents an extensive bibliography containing references to both classical and recent works and a comprehensive index Appendices include general formulas, the basic theory of analytic functions, introduction to Laplace and Hankel transforms, and descriptions of certain basic relations, for instance for stress waves in solids
Author: Arun Shukla
Publisher: World Scientific
ISBN: 9814477737
Category : Technology & Engineering
Languages : en
Pages : 374
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Book Description
Covering a wide variety of topics in dynamic fracture mechanics, this volume presents state-of-the-art experimental techniques and theoretical analysis on dynamic fracture in standard and exotic materials. Written by world renowned researchers, this valuable compendium contains eleven chapters on crack initiation, crack propagation, crack arrest, crack-stress wave interactions, and experimental, analytical and numerical methods in dynamic fracture mechanics.
Author: Snehanshu Pal
Publisher: CRC Press
ISBN: 0429670966
Category : Mathematics
Languages : en
Pages : 314
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Book Description
Molecular dynamics simulation is a significant technique to gain insight into the mechanical behavior of nanostructured (NS) materials and associated underlying deformation mechanisms at the atomic scale. The purpose of this book is to detect and correlate critically current achievements and properly assess the state of the art in the mechanical behavior study of NS material in the perspective of the atomic scale simulation of the deformation process. More precisely, the book aims to provide representative examples of mechanical behavior studies carried out using molecular dynamics simulations, which provide contributory research findings toward progress in the field of NS material technology.
Author: Jianchun Li
Publisher: CRC Press
ISBN: 1000883248
Category : Technology & Engineering
Languages : en
Pages : 784
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Book Description
Rock Dynamics: Progress and Prospect contains 153 scientific and technical papers presented at the Fourth International Conference on Rock Dynamics and Applications (RocDyn-4, Xuzhou, China, 17-19 August 2022). The two-volume set has 7 sections. Volume 1 includes the first four sections with 6 keynotes and 5 young scholar plenary session papers, and contributions on analysis and theoretical development, and experimental testing and techniques. Volume 2 contains the remaining three sections with 74 papers on numerical modelling and methods, seismic and earthquake engineering, and rock excavation and engineering. Rock Dynamics: Progress and Prospect will serve as a reference on developments in rock dynamics scientific research and on rock dynamics engineering applications. The previous volumes in this series (RocDyn-1, RocDyn-2, and RocDyn-3) are also available via CRC Press.
Author: Lucas Goehring
Publisher: John Wiley & Sons
ISBN: 3527412131
Category : Science
Languages : en
Pages : 370
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Book Description
Bringing together basic ideas, classical theories, recent experimental and theoretical aspects, this book explains desiccation cracks from simple, easily-comprehensible cases to more complex, applied situations. The ideal team of authors, combining experimental and theoretical backgrounds, and with experience in both physical and earth sciences, discuss how the study of cracks can lead to the design of crack-resistant materials, as well as how cracks can be grown to generate patterned surfaces at the nano- and micro-scales. Important research and recent developments on tailoring desiccation cracks by different methods are covered, supported by straightforward, yet deep theoretical models. Intended for a broad readership spanning physics, materials science, and engineering to the geosciences, the book also includes additional reading especially for students engaged in pattern formation research.
Author: L. B. Freund
Publisher: Cambridge University Press
ISBN: 9780521629225
Category : Mathematics
Languages : en
Pages : 592
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Book Description
This volume focuses on the development and analysis of mathematical models of fracture phenomena.
