Title:
HIGH-STRENGTH AND HIGH-PLASTICITY TITANIUM-BASED COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/021488
Kind Code:
A1
Abstract:
A high-strength and high-plasticity titanium-based composite material and a preparation method therefor. The preparation method comprises: preparing high-oxygen hydrogenation dehydrogenation titanium powder by using a high-temperature rotary ball milling treatment process, and making the prepared hydrogenation dehydrogenation titanium powder have a particle size of 10 to 40 μm and an oxygen content of 0.8 to 1.5 wt.%; preparing high-purity ultra-fine oxygen adsorbent powder by using a wet milling process and a high-energy vibration ball milling treatment process; the purity of the oxygen adsorbent powder being ≥ 99.9%, and the particle size being ≤ 8 μm; in a protective atmosphere, mixing the high-oxygen hydrogenation dehydrogenation titanium powder and the oxygen adsorbent powder, and then pressing and forming the mixed powder to obtain a raw material blank; and performing a sintering treatment on the raw material blank in a protective atmosphere, so as to obtain a titanium-based composite material. The method produces an in situ self-generated multi-scale Ca-Ti-O, TiC and TiB particle-reinforced titanium-based composite material, effectively refines grains in tissues, and significantly improves the strength and plasticity of the material.
Inventors:
LU XIN (CN)
PAN YU (CN)
YANG YUCHENG (CN)
ZHANG JIAZHEN (CN)
XU WEI (CN)
LIU BOWEN (CN)
ZHANG CE (CN)
SUN JIANZHUO (CN)
LIU YANJUN (CN)
QU XUANHUI (CN)
PAN YU (CN)
YANG YUCHENG (CN)
ZHANG JIAZHEN (CN)
XU WEI (CN)
LIU BOWEN (CN)
ZHANG CE (CN)
SUN JIANZHUO (CN)
LIU YANJUN (CN)
QU XUANHUI (CN)
Application Number:
PCT/CN2020/109487
Publication Date:
February 03, 2022
Filing Date:
August 17, 2020
Export Citation:
Assignee:
UNIV BEIJING SCIENCE & TECHNOLOGY (CN)
International Classes:
C22C1/05; C22C1/06; C22C14/00; C22C32/00
Foreign References:
| CN109971982A | 2019-07-05 | |||
| CN109988940A | 2019-07-09 | |||
| CN109848406A | 2019-06-07 | |||
| CN108193064A | 2018-06-22 | |||
| CN105734316A | 2016-07-06 | |||
| CN111151762A | 2020-05-15 | |||
| US20200215606A1 | 2020-07-09 |
Attorney, Agent or Firm:
BEIJING CHEN QUAN INTELLECTUAL PROPERTY LAW FIRM (CN)
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