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Methods of Analysis and Solutions of Crack Problems

  • Couverture cartonnée
  • 517 Nombre de pages
Recent Developments in Fracture Mechanics Theory and Methods of Solving Crack ProblemsIt is weH known that the traditional failure... Lire la suite
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Description

Recent Developments in Fracture Mechanics Theory and Methods of Solving Crack Problems

It is weH known that the traditional failure criteria cannot adequately explain failures which occur at a nominal stress level considerably lower than the ultimate strength of the material. The current procedure for predicting the safe loads or safe useful life of a structural member has been evolved around the discipline oflinear fracture mechanics. This approach introduces the concept of a crack extension force which can be used to rank materials in some order of fracture resistance. The idea is to determine the largest crack that a material will tolerate without failure. Laboratory methods for characterizing the fracture toughness of many engineering materials are now available. While these test data are useful for providing some rough guidance in the choice of materials, it is not clear how they could be used in the design of a structure. The understanding of the relationship between laboratory tests and fracture design of structures is, to say the least, deficient. Fracture mechanics is presently at astandstill until the basic problems of scaling from laboratory models to fuH size structures and mixed mode crack propagation are resolved. The answers to these questions require some basic understanding ofthe theory and will not be found by testing more specimens. The current theory of fracture is inadequate for many reasons. First of aH it can only treat idealized problems where the applied load must be directed normal to the crack plane.

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Recent Developments in Fracture Mechanics Theory and Methods of Solving Crack Problems

Détails sur le produit

Titre: Methods of Analysis and Solutions of Crack Problems
Éditeur:
Code EAN: 9789048182466
ISBN: 978-90-481-8246-6
Format: Couverture cartonnée
Genre: Physique et astronomie
nombre de pages: 517
Poids: g
Taille: H23mm x B23mm x T15mm
Année: 2010
Auflage: Softcover reprint of hardcover 1st ed. 1973.