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.
General
| Imprint: |
Springer
|
| Country of origin: |
Netherlands |
| Series: |
Mechanics of Fracture, 1 |
| Release date: |
December 2010 |
| First published: |
1973 |
| Editors: |
George C Sih
|
| Dimensions: |
297 x 210 x 29mm (L x W x T) |
| Format: |
Paperback
|
| Pages: |
517 |
| Edition: |
Softcover reprint of hardcover 1st ed. 1973 |
| ISBN-13: |
978-90-481-8246-6 |
| Categories: |
Books >
Science & Mathematics >
Physics >
Classical mechanics >
General
|
| LSN: |
90-481-8246-8 |
| Barcode: |
9789048182466 |
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