Mechanical Properties and Fracture Behavior of Chemically Bonded Composites
作者:
MARK A. STETT,
R. M. FULRATH,
期刊:
Journal of the American Ceramic Society
(WILEY Available online 1970)
卷期:
Volume 53,
issue 1
页码: 5-13
ISSN:0002-7820
年代: 1970
DOI:10.1111/j.1151-2916.1970.tb11989.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
The effect of chemical bonding between phases of a glass matrix‐metal composite on strength and fracture behavior was investigated. When no chemical bonding occurs, strengthening can be achieved through the mechanical formation of an interface between the dispersant and matrix. Even greater strengthening can be obtained by the formation of a chemical bond. Strengthening occurs by the limitation of the Griffith flaw size and is controlled by micromechanical stress concentrations developed on loading. Internal stresses developed on cooling from the fabrication temperature control the path of fracture. A chemical bond counteracts the micromechanical stress concentration and therefore increases the strengt
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