Abstract

The relationship between the composite microstructure and tensile behavior of a 2124-SiCP powder-formed composite was the subject of the present investigation. In particular, emphasis was placed on the role of the composite microstructure in determining the operative fracture processes. The susceptibility of the composite to hydrogen embrittlement was examined using straining electrode tests which involved simultaneous specimen straining and cathodic hydrogen charging. The behavior of the composite was compared to that reported for an unreinforced 2124 alloy.

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