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This paper reviews recent observations of the mechanical behavior of boron aluminum composites subjected to a variety of stress states for a wide range of strain rates and temperatures. Results are presented for composites produced by melt infiltration, powder metallurgy, and diffusion bonding fabrication techniques. An attempt is made to describe the unique properties of these composites. In particular, the factors causing departures from elementary mathematical idealizations are discussed.
metal matrix micromechanics, boron aluminum composites, evaluation, fabrication techniques, stresses, strains, high temperature tests, viscoelasticity
Lenoe, E. M.
Senior staff scientist, Materials Technology Directorate, Lowell, Mass