Abstract

Ti-Al and Ti-Al-Co metal composites have been produced by shock-wave compaction using hexogen and ammonite explosives. The microstructure, microhardness, and temperature spectra of the real part of the complex magnetic susceptibility χ′(T) have been studied. The measurements have been performed in the course of isochronal annealings of the samples at temperatures progressively increasing in steps of 50 K. The values of χ′, which correspond to the isothermal sections of the spectra at 140 K and 400 K, as a function of the isochronal annealing temperature, χ′(T), have the form of asymmetrical bell-shaped curves. The maxima of these curves are in the region of the temperature of the α → β polymorphic transformation of cobalt. Possible reasons for this behavior of χ′ have been discussed.

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