MICROCRACKS IN BERYLLIUM
Journal Article
·
· J. Inst. Metals
OSTI ID:4796322
Discussion is given on stress concentration below a tilt boundary which ends within a crystal and gives rise to basal cleavage in a hexagonal metal. If an obstacle to the gliding motion of a tilt boundary restricts its movement, part of the boundary may glide on leaving the other half behind, thus creating a stress concentration sufficient to overcome the cohesive forces between basal planes in a hexagonal metal. Splitting of the boundary may be aided by the pressure of glide dislocations behind the boundary. Discussion is also given on surface tilts and basal slips in the model of a Stroh crack (Stroh, Phil. Mag., 1958, 3, 597) which is shown in perspective. (P.C.H.)
- Research Organization:
- Fulmer Research Inst., Ltd., Stoke Poges, Bucks, Eng.
- NSA Number:
- NSA-16-013609
- OSTI ID:
- 4796322
- Journal Information:
- J. Inst. Metals, Journal Name: J. Inst. Metals Vol. Vol: 90
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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