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THE BRITTLE-TO-DUCTILE TRANSITION IN GERMANIUM

Abstract:

The brittle-to-ductile transition in precracked germanium crystals has been studied experimentally. Germanium undergoes a "smooth" brittle-ductile transition, where the stress to fracture rises steadily with temperature, associated with dislocation activity around the crack front at temperatures well below the transition temperature. The variation in transition temperature with strain rate yields an activation energy of 1.54 eV, suggesting, as in silicon, that dislocation mobility controls th...

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Publication status:
Published

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Authors


SERBENA, F More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Journal:
ACTA METALLURGICA ET MATERIALIA
Volume:
42
Issue:
7
Pages:
2505-2510
Publication date:
1994-07-05
DOI:
ISSN:
0956-7151
URN:
uuid:d2cb8baf-e60a-44ac-810b-ea93a6dd9502
Source identifiers:
11021
Local pid:
pubs:11021

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