Abstract
Ti-50.3Ni-0.7Ag (at.%) scaffolds were prepared by sintering of rapidly solidified alloy fibers. The sintered scaffolds possessed high porosity of 80% and large pores of 150–600 μm in size. The yield strength of the scaffold after annealed at 723 K for 3.6 ks was about 2.4 MPa. Ti-Ni-Ag scaffolds had an elastic modulus of 0.8 GPa, similar to that of spongy bone, and exhibited good superelasticity with total recovery strain of 3.4% when 4% pre-strain was loaded at human body temperature. Stable superelastic behavior with complete shape recovery was observed during cyclic deformation in scaffolds.
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