Effect of oxygen on the microstructure and mechanical properties of Ti-23Nb-0.7Ta-2Zr ahoy
The influence of oxygen content on the microstructure and mechanical properties of Ti-23Nb-0.7Ta-2Zr （at%） alloy in as-cast and cold-rolled states was investigated systematically in this paper. It is found that the alloy containing oxygen element is only composed of a single β phase, while the alloy...
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| container_title | 矿物冶金与材料学报：英文版 |
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| creator | Hui-ping Duan Hong-xia Xu Wen-huang Su Yu-bin Ke Zeng-qian Liu Hong-hai Song |
| description | The influence of oxygen content on the microstructure and mechanical properties of Ti-23Nb-0.7Ta-2Zr （at%） alloy in as-cast and cold-rolled states was investigated systematically in this paper. It is found that the alloy containing oxygen element is only composed of a single β phase, while the alloy without oxygen element consisted of β and α phases. Although the grain size becomes larger, the elastic de-formation ratio, strength, and hardness of the alloy are all increased with an increase of oxygen content. The as-cast alloy has excellent plastic deformation ability, but the cold-rolled alloy containing oxygen element exhibits brittle characteristics. A conclusion can be drawn that oxy-gen element can stabilize β phase, inhibit the phase transformation from β to α , and furthermore help to increase the strength and elastic de-formation ability of the alloy. 更多 |
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It is found that the alloy containing oxygen element is only composed of a single β phase, while the alloy without oxygen element consisted of β and α phases. Although the grain size becomes larger, the elastic de-formation ratio, strength, and hardness of the alloy are all increased with an increase of oxygen content. The as-cast alloy has excellent plastic deformation ability, but the cold-rolled alloy containing oxygen element exhibits brittle characteristics. 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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection; ProQuest Central |
| subjects | 力学性能 合金 塑性变形能力 形成能力 显微组织 晶粒尺寸 氧元素 氧含量 |
| title | Effect of oxygen on the microstructure and mechanical properties of Ti-23Nb-0.7Ta-2Zr ahoy |
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