High-strength and high-plasticity titanium matrix composite and preparation method thereof

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United States of America

PATENT NO 12226826
APP PUB NO 20230191482A1
SERIAL NO

17768737

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The present invention provides a high-strength and high-plasticity titanium matrix composite and a preparation method thereof. The preparation method includes: preparing high-oxygen hydride-dehydride titanium powder using a high-temperature rotary ball grinding treatment process, in which the prepared hydride-dehydride titanium powder has a particle size of 10-40 μm, and has an oxygen content of 0.8-1.5 wt. %; preparing high-purity ultra-fine oxygen adsorbent powder using a wet grinding method of high-energy vibration ball grinding treatment process; in which a purity of the oxygen adsorbent powder is ≥99.9%, and a particle size of the oxygen adsorbent powder is ≤8 μm; mixing the high-oxygen hydride-dehydride titanium powder with the oxygen adsorbent powder in a protective atmosphere, and then press-forming the powder obtained after mixing to obtain a raw material blank; and performing atmosphere protective sintering treatment on the raw material blank to obtain a titanium matrix composite. The method prepares a titanium matrix composite reinforced by in-situ self-generating multi-scale Ca—Ti—O, TiC, TiB particles. The microstructure and grains are effectively refined, and the strength and plasticity of the material are significantly improved.

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Patent Owner(s)

  • UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Bowen Beijing, CN 35 53
Liu, Yanjun Beijing, CN 59 70
Lu, Xin Beijing, CN 273 2086
Pan, Yu Beijing, CN 132 632
Qu, Xuanhui Beijing, CN 6 2
Sun, Jianzhuo Beijing, CN 1 0
Xu, Wei Beijing, CN 934 8439
Yang, Yucheng Beijing, CN 5 9
Zhang, Ce Beijing, CN 51 182
Zhang, Jiazhen Beijing, CN 6 36

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