The effect of material inhomogeneity on the fracture toughness of brittle materials
โ Scribed by E. Smith
- Publisher
- Springer
- Year
- 1984
- Tongue
- English
- Weight
- 142 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0261-8028
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๐ SIMILAR VOLUMES
Microstructural observations of brittle materials indicated that a variety of microdefect events can be responsible not only for inelastic behaviour, but also for macroscopic crack front irregularity. This irregularity produces an increase in the fracture toughness of the material. In this paper, th
A heterogeneous brittle material characterized by a random field of local toughness K c (x) can be represented by an equivalent homogeneous medium of toughness, K eff . Homogenization refers to a process of estimating K eff from the local field K c (x). An approach based on a perturbative expansion
## Abstract Few engineering materials are limited by their strength; rather they are limited by their resistance to fracture or fracture toughness. It is not by accident that most critical structures, such as bridges, ships, nuclear pressure vessels and so forth, are manufactured from materials tha