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Author : Anonim
Publisher : Unknown
Page : 759 pages
File Size : 50,6 Mb
Release : 1968
Category : Electronic
ISBN : OCLC:473303814
Author : Harold Liebowitz
Publisher : Unknown
Page : 786 pages
File Size : 47,7 Mb
Release : 1968
Category : Fracture mechanics
ISBN : STANFORD:36105002775307
Author : Harold Liebowitz
Publisher : Unknown
Page : 0 pages
File Size : 42,7 Mb
Release : 1968
Category : Fracture mechanics
ISBN : OCLC:1154893433
Author : C. Lakshmana Rao,V. Narayanamurthy,K. R. Y. Simha
Publisher : John Wiley & Sons
Page : 382 pages
File Size : 50,8 Mb
Release : 2016-06-13
Category : Science
ISBN : 9781119241850
This book is intended to help the reader understand impact phenomena as a focused application of diverse topics such as rigid body dynamics, structural dynamics, contact and continuum mechanics, shock and vibration, wave propagation and material modelling. It emphasizes the need for a proper assessment of sophisticated experimental/computational tools promoted widely in contemporary design. A unique feature of the book is its presentation of several examples and exercises to aid further understanding of the physics and mathematics of impact process from first principles, in a way that is simple to follow.
Author : Tomasz Sadowski,René de Borst
Publisher : Springer Science & Business Media
Page : 237 pages
File Size : 48,6 Mb
Release : 2008-12-11
Category : Technology & Engineering
ISBN : 9781402087721
Composite materials are heterogeneous by nature, and are intended to be, since only the combination of different constituent materials can give them the desired combination of low weight, stiffness and strength. At present, the knowledge has advanced to a level that materials can be tailored to exhibit certain, required properties. At the same time, the fact that these materials are composed of various, sometimes very different constituents, make their mechanical behaviour complex. This observation holds with respect to the deformation behaviour, but especially with respect to the failure behaviour, where complicated and unconventional failure modes have been observed. It is a challenge to develop predictive methods that can capture this complex mechanical behaviour, either using analytical tools, or using numerical me- ods, the ?nite element method being the most widespread among the latter. In this respect, developments have gone fast over the past decade. Indeed, we have seen a paradigm shift in computational approaches to (composite) ma- rial behaviour. Where only a decade ago it was still customary to carry out analyses of deformation and failure at a macroscopic level of observation only – one may call this a phenomenological approach – nowadays this approach is being progressively replaced by multiscale methods. In such methods it is r- ognized a priori that the overall behaviour is highly dependent on local details and ?aws.
Author : H. Liebowitz
Publisher : Elsevier
Page : 524 pages
File Size : 50,9 Mb
Release : 2013-10-22
Category : Literary Criticism
ISBN : 9781483273204
Fracture of Metals is part of a multivolume treatise that brings together the fundamentals for critical evaluation of the different theories and experimental findings on brittle fracture. These results, together with their design implications, should be made available to professional engineers, students, and researchers in industrial organizations, educational and research institutions, and various governmental agencies. Seven major areas are covered in this treatise on fracture. They are: (1) microscopic and macroscopic fundamentals of fracture; (2) mathematical fundamentals of fracture; (3) engineering fundamentals of fracture and environmental effects; (4) engineering fracture design; (5) fracture design of structures; (6) fracture of metals; and (7) fracture of nonmetals and composites. The present volume focuses on the fracture of metals. The book opens with chapter on the influence of alloying elements on fracture behavior in metallic systems of the three common crystal structures: face-centered cubic, body-centered cubic, and hexagonal close packed. Separate chapters follow on the principal microstructural factors which seem to be important for fracture toughness; the nature of the fracture processes occurring in high-strength materials; and the state of knowledge on fracture toughness of structural steels. Subsequent chapters deal with the strength and toughness of hot-rolled, ferrite-pearlite steels; fracture behavior of aluminum and its alloys; and fracture phenomena associated with electrical effects.
Author : K. R. Y. Simha,K.R.V. Simha
Publisher : Universities Press
Page : 204 pages
File Size : 51,9 Mb
Release : 2001-11
Category : Fracture mechanics
ISBN : 817371259X
Fracture is a natural reaction of solids to relieve stress and shed excess energy. The fragility of solids is a constant threat to our survival as we drive over a bridge, go through a tunnel, or even inside a building. This book weaves together the essential concepts underlying fracture mechanics.
Author : Anonim
Publisher : Unknown
Page : 772 pages
File Size : 51,8 Mb
Release : 1970
Category : Mechanics, Applied
ISBN : UCAL:C2682439
Author : Surjya Kumar Maiti
Publisher : Cambridge University Press
Page : 302 pages
File Size : 48,7 Mb
Release : 2015-10-01
Category : Science
ISBN : 9781316691830
Fracture mechanics studies the development and spreading of cracks in materials. The study uses two techniques including analytical and experimental solid mechanics. The former is used to determine the driving force on a crack and the latter is used to measure material's resistance to fracture. The text begins with a detailed discussion of fundamental concepts including linear elastic fracture mechanics (LEFM), yielding fracture mechanics, mixed mode fracture and computational aspects of linear elastic fracture mechanics. It explains important topics including Griffith theory of brittle crack propagation and its Irwin and Orowan modification, calculation of theoretical cohesive strength of materials through an atomic model and analytical determination of crack tip stress field. This book covers MATLAB programs for calculating fatigue life under variable amplitude cyclic loading. The experimental measurements of fracture toughness parameters KIC, JIC and crack opening displacement (COD) are provided in the last chapter.
Author : E.E. Gdoutos
Publisher : Springer Science & Business Media
Page : 326 pages
File Size : 53,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400919563
It is difficult to do justice to fracture mechanics in a textbook, for the subject encompasses so many disciplines. A general survey of the field would serve no purpose other than give a collection of references. The present book by Professor E. E. Gdoutos is refreshing because it does not fall into the esoteric tradition of outlining equations and results. Basic ideas and underlying principles are clearly explained as to how they are used in application. The presentations are concise and each topic can be understood by advanced undergraduates in material science and continuum mechanics. The book is highly recommended not only as a text in fracture mechanics but also as a reference to those interested in the general aspects of failure analysis. In addition to providing an in-depth review of the analytical methods for evaluating the fundamental quantities used in linear elastic fracture mechanics, various criteria are discussed re:O. ecting their limitations and applications. Par ticular emphases are given to predicting crack initiation, subcritical growth and the onset of rapid fracture from a single criterion. Those models in which it is assumed that the crack extends from tip to tip rely on the specific surface energy concept. The differences in the global and energy states before and after crack extension were associated with the energy required to create a unit area of crack surface. Applications were limited by the requirement of self-similar crack growth.
Author : Anonim
Publisher : Unknown
Page : 256 pages
File Size : 42,6 Mb
Release : 1990
Category : Science
ISBN : STANFORD:36105024798402
Author : A.S. Argon
Publisher : Springer Science & Business Media
Page : 354 pages
File Size : 45,8 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9781461229346
Fracture in structural materials remains a vital consideration in engineering systems, affecting the reliability of machines throughout their lives. Impressive advances in both the theoretical understanding of fracture mechanisms and practical developments that offer possibilities of control have re-shaped the subject over the past four decades. The contributors to this volume, including some of the most prominent researchers in the field, give their long-range perspectives of the research on the fracture of solids and its achievements. The subjects covered in this volume include: statistics of brittle fracture, transition of fracture from brittle to ductile, mechanics and mechanisms of ductile separation of heterogenous solids, the crack tip environment in ductile fracture, and mechanisms and mechanics of fatigue. Materials considered range from the usual structural solids to composites. The chapters include both theoretical points of view and discussions of key experiments. Contributors include: from MIT, A.S. Argon, D.M. Parks; from Cambridge, M.F. Ashby; from U.C. Santa Barbara, A.G. Evans, R. McMeeking; from Glasgow, J. Hancock; from Harvard, J.W. Hutchinson, J.R. Rice; from Sheffield, K.J. Miller; from Brown, A. Needleman; from the Ecole des Mines, A. Pineau; from U.C. Berkeley, R. O. Ritchie; and from Copenhagen, V. Tvergaard.
Author : Jia-Liang Le,Marco Salviato
Publisher : Oxford University Press
Page : 332 pages
File Size : 50,5 Mb
Release : 2021-11-19
Category : Brittleness
ISBN : 9780192846242
Many modern engineering structures are composed of brittle heterogenous, or quasibrittle, materials. These include concrete, composites, tough ceramics, rocks, cold asphalt mixtures, and many brittle materials at the microscale. Understanding the failure behavior of these materials is of paramount importance for improving the resilience and sustainability of various engineering structures including civil infrastructure, aircraft, ships, military armors, and microelectronic devices. Designed for graduate and upper-level undergraduate university courses, this textbook provides a comprehensive treatment of quasibrittle fracture mechanics. It includes a concise but rigorous examination of linear elastic fracture mechanics, which is the foundation of all fracture mechanics. It also covers the fundamental concepts of nonlinear fracture mechanics, and introduces more advanced concepts such as triaxial stress state in the fracture process zone, nonlocal continuum models, and discrete computational models. Finally, the book features extensive discussion of the various practical applications of quasibrittle fracture mechanics across different structures and engineering disciplines, and throughout includes exercises and problems for students to test their understanding.
Author : Valentina Svalova
Publisher : Springer Nature
Page : 539 pages
File Size : 41,9 Mb
Release : 2021-04-09
Category : Science
ISBN : 9783030635718
This volume is devoted to investigation of all aspects of heat-mass transfer processes at different scales and from various origins, as well as the formation and evolution of geological structures. These phenomena are linked to geophysical properties of rocks, geothermal resources, geothermics, fluid dynamics, stress-state of the lithosphere, deep geodynamics, plate tectonics, and seismicity, among others. The book consists of two main parts. The first concerns heat-mass transfer associated with natural and technogenic processes in the upper lithosphere. The second deals with geodynamics and seismicity. The collection of over 25 chapter from leading investigators in Russia is thus an important contribution to research on the lithosphere in connection with formation and evolution of geological structures; heat and mass transfer processes in the lithosphere and their connection with deep Earth geodynamics. Collects a range of research methodologies including application of modelling, seismic tomography, geological field works, geological-geophysical methods, and in situ measurements through instrumentation; Explains how a wide range of geological and geophysical phenomena arising in the Earth’s lithosphere can be investigated under the umbrella of a common approach to heat-mass transfer processes; Includes the latest research by more than 60 leading scientists from Russia.
Author : United States. National Aeronautics and Space Administration,United States. National Aeronautics and Space Administration. Scientific and Technical Information Office
Publisher : Unknown
Page : 244 pages
File Size : 49,7 Mb
Release : 1990
Category : Aeronautics
ISBN : UOM:39015022352010