Reaction sintering of porous shape-memory titanium-nickelide-based alloys N. V. Artyukhova, Y. F. Yasenchuk, J.-S. Kim, V. E. Gunther
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ArticleSubject(s): пористый сплав никелида титана | спекание реакционное | спекание твердофазное | память формы | растровая электронная спектроскопия | микрорентгеноспектральный анализGenre/Form: статьи в журналах
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Russian physics journal Vol. 57, № 10. P. 1313-1320Abstract: The problems of reaction sintering of porous shape-memory Ti−Ni-based alloys are examined. An analysis of the structure and parameters of shape-memory materials produced with the use of different reaction sintering modes is performed. The temperature and time intervals are determined over which liquid-phase sintering points responsible for a qualitative change in the TiNi phase of the reaction-sintered Ti−Ni system are observed. The morphological structure and properties of the porous materials are investigated. Models for interactions between phases and phase transformations in the sintered alloys are built. It has been found that changes in the deformation parameters of the porous titanium nickelide-based alloys correlate with an increase in the volume fraction of the TiNi phase and with its wholeness as the sintering time is increased.
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The problems of reaction sintering of porous shape-memory Ti−Ni-based alloys are examined. An analysis of the structure and parameters of shape-memory materials produced with the use of different reaction sintering modes is performed. The temperature and time intervals are determined over which liquid-phase sintering points responsible for a qualitative change in the TiNi phase of the reaction-sintered Ti−Ni system are observed. The morphological structure and properties of the porous materials are investigated. Models for interactions between phases and phase transformations in the sintered alloys are built. It has been found that changes in the deformation parameters of the porous titanium nickelide-based alloys correlate with an increase in the volume fraction of the TiNi phase and with its wholeness as the sintering time is increased.
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