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Digitale Medien

Ductile phase toughening and R-curve behaviour in a B4C-Al cermet (1992)

Bhattacharya, A. K. ; Petrovic, J. J.

Springer

Journal of materials science 27 (1992), S. 2205-2210

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Details

ISSN: 1573-4803

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau

Notizen: Abstract The R-curve behaviour of a B4C-Al cermet was studied experimentally using the indentation/strength technique. Microstructural observations clearly indicate that the dominant mechanism contributing towards increasing toughness with crack length is due to bridging of ductile Al phases. It is inferred that ductile toughening, along with toughening due to residual stresses generated upon cooling of the cermet, contribute to this toughening behaviour. Close agreement between experimental results and a simple model is also established.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01117938

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