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Fracture Mechanics of Electrically Passive and Active Composites with Periodic Cracking along the Interface

2020-03-21 Science
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Release : 2020-03-21
Genre : Science
Kind : eBook
Book Rating : 38X/5 ( reviews)

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Book Synopsis Fracture Mechanics of Electrically Passive and Active Composites with Periodic Cracking along the Interface by : Sergey Kozinov

Download or read book Fracture Mechanics of Electrically Passive and Active Composites with Periodic Cracking along the Interface written by Sergey Kozinov. This book was released on 2020-03-21. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a comprehensive and timely review of the fracture behavior of bimaterial composites consisting of periodically connected components, i.e. of bimaterial composites possessing periodical cracks along the interface. It first presents an overview of the literature, and then analyzes the isotropic, anisotropic and piezoelectric/dielectric properties of bimaterial components, gradually increasing the difficulty of the solutions discussed up to the coupled electromechanical problems. While in the case of isotropic and anisotropic materials it covers the problems generated by an arbitrary set of cracks, for the piezoelectric materials it focuses on studying the influence of the electric permittivity of the crack’s filler, using not only a simple, fully electrically permeable model, but also a physically realistic, semi-permeable model. Throughout the analyses, the effects of the contact of the crack faces are taken into account so as to exclude the physically unrealistic interpenetration of the composite components that are typical of the classical open model. Further, the book derives and examines the mechanical and electromechanical fields, stress and electric intensity factors in detail. Providing extensive information on the fracture processes taking place in composite materials, the book helps readers become familiar with mathematical methods of complex function theory for obtaining exact analytical solutions.

Fracture Mechanics of Composites

1975 Technology & Engineering
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Release : 1975
Genre : Technology & Engineering
Kind : eBook
Book Rating : 665/5 ( reviews)

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Book Synopsis Fracture Mechanics of Composites by : G. P. Sendeckyj

Download or read book Fracture Mechanics of Composites written by G. P. Sendeckyj. This book was released on 1975. Available in PDF, EPUB and Kindle. Book excerpt:

Interface Fracture and Delaminations in Composite Materials

2017-07-05 Science
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Release : 2017-07-05
Genre : Science
Kind : eBook
Book Rating : 272/5 ( reviews)

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Book Synopsis Interface Fracture and Delaminations in Composite Materials by : Leslie Banks-Sills

Download or read book Interface Fracture and Delaminations in Composite Materials written by Leslie Banks-Sills. This book was released on 2017-07-05. Available in PDF, EPUB and Kindle. Book excerpt: Part I of this SpringerBrief presents the problem of a crack between two dissimilar isotropic materials and describes the mathematical background. A fracture criterion is discussed and Methods for calculating fracture parameters such as stress intensity factors using the finite element method and three post-processors are considered. Actual test data and both deterministic and statistical failure curves are presented.In Part II of the book, similar descriptions are given for delaminations in composite laminates. The mathematical treatment of this type of damage including the first term of the asymptotic expansion of the stress and displacement fields is considered. Numerical post-processors for determining stress intensity factors for these cases are reviewed. Two examples of specific laminates are presented: one with a failure curve and the other with a failure surface. Finally, beam specimens used for testing such failures are discussed.

Fracture Mechanics of Piezoelectric and Ferroelectric Solids

2014-12-12 Science
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Release : 2014-12-12
Genre : Science
Kind : eBook
Book Rating : 871/5 ( reviews)

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Book Synopsis Fracture Mechanics of Piezoelectric and Ferroelectric Solids by : Daining Fang

Download or read book Fracture Mechanics of Piezoelectric and Ferroelectric Solids written by Daining Fang. This book was released on 2014-12-12. Available in PDF, EPUB and Kindle. Book excerpt: Fracture Mechanics of Piezoelectric and Ferroelectric Solids presents a systematic and comprehensive coverage of the fracture mechanics of piezoelectric/ferroelectric materials, which includes the theoretical analysis, numerical computations and experimental observations. The main emphasis is placed on the mechanics description of various crack problems such static, dynamic and interface fractures as well as the physical explanations for the mechanism of electrically induced fracture. The book is intended for postgraduate students, researchers and engineers in the fields of solid mechanics, applied physics, material science and mechanical engineering. Dr. Daining Fang is a professor at the School of Aerospace, Tsinghua University, China; Dr. Jinxi Liu is a professor at the Department of Engineering Mechanics, Shijiazhuang Railway Institute, China.

Cracks in composite materials

1981-11-30 Science
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Release : 1981-11-30
Genre : Science
Kind : eBook
Book Rating : 593/5 ( reviews)

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Book Synopsis Cracks in composite materials by : George C. Sih

Download or read book Cracks in composite materials written by George C. Sih. This book was released on 1981-11-30. Available in PDF, EPUB and Kindle. Book excerpt: Composites offer great promise as light weight and strong materials for high performance structures. One of the major advantages of these materials as compared with metals is the basic way in which heterogeneity resist crack extension. In a fiber/matrix composite system, the fibers tend to cause cracks to form at closer spacing and delay the formation of a large crack. The enhancement of local failure such as fiber breaking, matrix cracking and interface debonding further reduces the energy level which might have otherwise reached the point of catastrophic failure. Even though substantial tests have been made on composite materials, little has been gained in the understanding and development of a predic tive procedure for composite failure. There are fundamental difficulties associated with incorporating the nonhomogeneous and anisotropic prop erties of the composite into the continuum mechanics analysis. Additional uncertainties arise from voids and defects that are introduced in the composite during manufacturing. Even a small quantity of mechanical imperfections can cause a marked influence on the composite strength. Moreover, the interface properties between the fibers and matrix or bonded laminae can also affect the load transmission characteristics significantly. It would be impossible to establish predictive procedures for composite failure unless realistic guidelines could be developed to control the manufacturing quality of composite systems.

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