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KMID : 0372919890100030261
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Journal of Biomedical Engineering Research
1989 Volume.10 No. 3 p.261 ~ p.268
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Characteristics of Aging of Ni-Ti Alloy Used for Implant Fabrications
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Abstract
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The characteristics of aging of near-equiatomic Ni-Ti alloy has been studied by the three point bend test and the measurement of Differential Scanning Calorimetry(DSC). The DSC is used to measure precise transformation temperatures and the amount of thermal energy required for the corresponding phase transformation. The effort of hardness on aging treatment in saline solution of 37℃ was higher for the annealed than solution treated specimens. As the testing temperature inc- rease from under Mr to above A1 temperature, the elastic stiffness increased. Almost full recovery can be achieved after bending below Belo outer fiber strain. Total bend recovery decreased gradually as aging time and bend angle is increased.
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