Abstract
The effect of mercury on the room temperature, high cycle fatigue properties of three alloys: Cu-5.5 pct al, Cu-7.3 pct Al, and Cu-6.3 pct Al-2.5 pct Fe has been determined. Severe embrittlement under cyclic loading in mercury is associated with rapid crack propagation in the presence of the liquid metal. A pronounced grain size effect is noted under mercury, while fatigue properties in air are insensitive to grain size. The fatigue results are discussed in relation to theories of adsorption-induced liquid metal embrittlement.
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N. S. STOLOFF is Professor of Materials Engineering, Rensselaer Polytechnic Institute, Troy, NY 12181, where T. M. Regan was formerly Research Assistant.
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Regan, T.M., Stoloff, N.S. Mercury embrittlement of Cu−Al alloys under cyclic loading. Metall Trans A 8, 885–890 (1977). https://doi.org/10.1007/BF02661569
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DOI: https://doi.org/10.1007/BF02661569