Abstract
TiH 2 powder is added as a pore-forming and active agent in synthesis of porous Ni–Ti alloys by using a conventional powder sintering technique. The influence of addition of TiH 2 on microstructure, memory characteristics and pseudoelasticity (PE) of porous Ni–Ti alloys is investigated. It is found that porous Ni–Ti alloys produced with or without addition of TiH 2 exhibit good memory effect and PE, and the addition of TiH 2 not only has a pronounced effect on the microstructure but also increases the shape memory effect (SME) and volume memory effect of porous Ni–Ti alloys. Further, the addition of TiH 2 has a significant influence on the elastic behavior and Young’s modulus of porous Ni–Ti alloys.
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