Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Characteristics of Aging of Ni-Ti Alloy Used for Implant Fabrications(I)

생체주입용 Ni-Ti 합금의 시효특성(I)

  • 조형준 (동아대학교 공과대학 금속공학과) ;
  • 이준희 (동아대학교 공과대학 금속공학과) ;
  • 박기룡 (삼보산업주식회사)
  • Published : 1989.12.01
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Abstract

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 $37^{\circ}C$ was higher for the annealed than solution treated specimens. As the testing temperature inc- rease from under $M_f$ to above $A_f$ 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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