The texture and its influence on tensile and recoverable properties of hot-rolled Ni47Ti44Nb9 shape memory alloy sheet were studied by XRD,SEM and tensile tester to provide theoretic basis for improving mechanical and memory properties of the alloy.The main textures of hot-rolled sheets are {001} uv0 and {111} uvw fibres.The strong components in {001} uv0 fibre approach to {001} 010 component,and {111} 112 and {111} 165 components are stronger in {111} uvw fibre along RD.The {001} 010 and {111} 132 are the strong components along TD;The critical stress of stress-induced martensite transformation along RD is the maximum and the minimum is along 45° to RD for hot-rolled sheet heat-treated at temperature higher than the recrystallization temperature,and some micro-cracks appear on the fracture surface of the specimen tensioned along TD.The critical stress decreases with increasing the cooling rate at 850 ℃,and texture has no obvious influence on the recoverable strain whose values are basically in the range of 7.0%-7.4% for sheet annealed at 850 ℃.
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