Plastic Relaxation at Crack Tip: from Brittle to Ductile Behaviour
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- Michot Gérard
- Ecole des Mines de Nancy, Parc de Saurupt
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- Loyola de Oliveira M. A.
- UFES, C.T., Av. Fernando Ferrari, Goiabeiras, Vitoria
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Abstract
Experimental analysis of plastic zone growth in silicon have recently underlined the fact that two different populations of dislocations sources have to be considered. A small number of primary ones, linked to defects of the crack front, emit tens of dislocations in primary planes. A large number of secondary ones, resulting from cross-slip of primary dislocations coupled with the mechanism of stimulated emission, only emit a few dislocations. This paper shows that primary dislocations cannot account for observed brittle to ductile transition.
Journal
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 42 (1), 14-19, 2001
The Japan Institute of Metals and Materials
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Details 詳細情報について
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- CRID
- 1390001204247870208
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- NII Article ID
- 130004451306
- 10005354877
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- NII Book ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD3MXitVCnsro%3D
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- ISSN
- 13475320
- 13459678
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- NDL BIB ID
- 5646107
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed