Study of structural features of monolithic TiNi-based alloy to produce porous monolithic structures

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019 Pub Date : 2019-11-19 DOI:10.1063/1.5132010

M. Kaftaranova, N. Artyukhova, S. Anikeev, A. Garin, A. Monogenov, V. Gunther

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Abstract

Structural features of TiNi-based alloys with different Ti contents in the B2 matrix phase were studied at the stage of production of a porous monolithic structure. It was shown that the main feature of the alloys is homogeneity of the structure formed, which enabled their use for production of a porous monolithic structure. The study showed the efficiency of additional mechanical grinding of the monolithic plate surface to provide a more developed surface. It was found that at the boundary of transition of the porous zone to the monolithic one, powder particles are sintered to a monolithic TiNi plate, and its structure does not show an increase in the concentration of particles of the secondary phases Ti2Ni and Ti4Ni2 (O, N, C) and softening of the structure formed.Structural features of TiNi-based alloys with different Ti contents in the B2 matrix phase were studied at the stage of production of a porous monolithic structure. It was shown that the main feature of the alloys is homogeneity of the structure formed, which enabled their use for production of a porous monolithic structure. The study showed the efficiency of additional mechanical grinding of the monolithic plate surface to provide a more developed surface. It was found that at the boundary of transition of the porous zone to the monolithic one, powder particles are sintered to a monolithic TiNi plate, and its structure does not show an increase in the concentration of particles of the secondary phases Ti2Ni and Ti4Ni2 (O, N, C) and softening of the structure formed.

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制备多孔整体式镍基合金的结构特征研究

研究了不同Ti含量的B2基体Ti基合金在制备多孔整体结构阶段的组织特征。结果表明，该合金的主要特征是形成的组织均匀性，这使其能够用于生产多孔整体结构。研究表明，单片表面附加机械磨削的效率可以提供一个更发达的表面。研究发现，在多孔区向整体区过渡的边界处，粉末颗粒烧结成整体TiNi板，其结构没有表现出二次相Ti2Ni和Ti4Ni2 (O, N, C)颗粒浓度的增加和所形成的结构的软化。研究了不同Ti含量的B2基体Ti基合金在制备多孔整体结构阶段的组织特征。结果表明，该合金的主要特征是形成的组织均匀性，这使其能够用于生产多孔整体结构。研究表明，单片表面附加机械磨削的效率可以提供一个更发达的表面。研究发现，在多孔区向整体区过渡的边界处，粉末颗粒烧结成整体TiNi板，其结构没有表现出二次相Ti2Ni和Ti4Ni2 (O, N, C)颗粒浓度的增加和所形成的结构的软化。

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PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019

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