燃焼合成法で製造したTiNi形状記憶金属間化合物の圧延集合組織

概要

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The TiNi shape memory intermetallic compound is manufactured by using the combustion synthesis process that author researched and developed. A flat wire is manufactured with many hot and cold plastic workings. The rolling texture is primarily examined to understand the properties of this material influenced by the plastic working. The manufactured TiNi shape memory intermetallic compound has no gravity segregation, and is homogeneous. Because the sample is the TiNi shape memory intermetallic compound of excessive Ni content, it is of Austenitic phase and has B2 structure (CsCl type, bcc) in which super-elasticity is shown at room temperature. Two kinds of rolling textures exist together. The (110) plane appears on the rolling surface in one kind of texture. In this case, RD=(110), TD=(100), and the rolling direction= <110>. The (211) plane appears on the rolling surface in the other texture. In this case, RD=(110), TD =(111), and the rolling direction =<110>. In both of the textures rolling directions are <110>, and the rolling direction planes are (110). These two kinds of crystals have the relationship of rotation to the direction of TD by 54.7- with the RD axis.
社団法人粉体粉末冶金協会の論文
2003-03-15