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Erschienen in:
1996 | OriginalPaper | Buchkapitel
Brittle Fracture and Toughening
verfasst von : E. M. Schulson
Erschienen in: Physical Metallurgy and processing of Intermetallic Compounds
Verlag: Springer US
Enthalten in: Professional Book Archive
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This chapter reviews the intrinsic and the extrinsic factors that contribute to the brittle fracture of strongly ordered polycrystalline intermetallic compounds, and then considers methods for improving the ductility and the fracture toughness of this class of materials. A high work-hardening rate appears to be common to all brittle intermetallics and may be a major factor in limiting the energy that can be absorbed by plastic flow near the tips of propagating cracks. The incorporation of a ductile, random solid solution within the matrix is an effective toughening method.