Kinked, short-length, fine wire can be molded by conventional powder metallurgy procedures and sintered to a porous composite with large proportions of interconnecting voids. This material has potential applications for implanted prosthetic systems. The material behaves in a nonlinear elastic fashion which may be approximated as two linear elastic processes. In the strain range of 0 to about 0.5 percent, the elastic modulus can be less than 1 kg/mm2. In a higher strain regime the elastic modulus is about 100 kg/mm2. A total elastic strain range of 1.5 to 4 percent is found.
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