| Budget Amount *help |
¥201,890,000 (Direct Cost: ¥155,300,000、Indirect Cost: ¥46,590,000)
Fiscal Year 2023: ¥20,540,000 (Direct Cost: ¥15,800,000、Indirect Cost: ¥4,740,000)
Fiscal Year 2022: ¥20,670,000 (Direct Cost: ¥15,900,000、Indirect Cost: ¥4,770,000)
Fiscal Year 2021: ¥48,230,000 (Direct Cost: ¥37,100,000、Indirect Cost: ¥11,130,000)
Fiscal Year 2020: ¥45,760,000 (Direct Cost: ¥35,200,000、Indirect Cost: ¥10,560,000)
Fiscal Year 2019: ¥66,690,000 (Direct Cost: ¥51,300,000、Indirect Cost: ¥15,390,000)
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| Outline of Final Research Achievements |
Ti is a promising metallic material because of its inexhaustible reserves and its alloys have excellent properties. However, the production of Ti products requires inefficient processes and generates a large amount of oxygen-contaminated scrap during the process, resulting in high prices for Ti products. Therefore, the price of Ti products is high and they are not widely used. In this study, we developed a new technology to directly remove oxygen from Ti scrap, and aimed to develop an innovative recycling technology that enables “upgrade recycling” to regenerate high-purity ingots. In particular, we developed a new technology to produce Ti with the world's lowest oxygen concentration of less than 100 mass ppm by applying the formation reaction of rare earth oxyhalides.
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