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2014 Fiscal Year Final Research Report

Study on microstructure control in Ti-O alloy and its deformation mode

Research Project

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Project/Area Number 25820352
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Structural/Functional materials
Research InstitutionTokyo University of Marine Science and Technology

Principal Investigator

MORITA Motoaki  東京海洋大学, 海洋科学技術研究科, 助教 (30636626)

Research Collaborator UMEZAWA Osamu  横浜国立大学, 工学研究院, 教授 (20343171)
MOTODA Shinichi  東京海洋大学, 海洋科学技術研究科, 教授 (10190969)
Project Period (FY) 2013-04-01 – 2015-03-31
Keywordsチタン / 酸素固溶 / 双晶変形 / 侵入型元素 / 強度延性バランス
Outline of Final Research Achievements

Oxygen is generally treated as the impurity element in Ti and Ti alloy. However, oxygen can be expected as alloy element for Ti and Ti alloy because the solute strengthening capability is much high. In this study, the microstructure, tensile property, and deformation mode in Ti with high oxygen content were evaluated. Tensile total elongation in Ti with high oxygen content shows good ductility by texture control. This study suggests that it would be possible to use high oxygen solute Ti as alloy element.

Free Research Field

構造・機能材料

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Published: 2016-06-03  

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