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Fracture Statistics for Inorganically-Bound Core Materials

 
: Lechner, P.; Stahl, J.; Ettemeyer, F.; Himmel, B.; Tananau-Blumenschein, B.; Volk, W.

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Volltext ()

Materials 11 (2018), Nr.11, Art. 2306, 13 S.
ISSN: 1996-1944
Englisch
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IGCV ()

Abstract
In this article, we study the fracture characteristics of inorganically-bound foundry cores. It will be shown that the fracture stress of inorganic cores follows Weibull’s strength distribution function for brittle materials. Using three-point and four-point-bending experiments, the volume dependence of the bending fracture stress is analyzed and a Weibull model fitted. Furthermore, the fracture stress of arbitrary bending experiments can be calculated based on the Weibull parameters found.

: http://publica.fraunhofer.de/dokumente/N-581941.html