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Carbon-toughened alumina-based composite biological ceramic material and preparation method thereof
The invention belongs to the technical field of medical biological materials, and particularly relates to a carbon-toughened alumina-based composite biological ceramic material and a preparation method thereof, the carbon-toughened alumina-based composite biological ceramic material comprises the following components by mass: 75-95 parts of alumina, 3-25 parts of zirconia, 0.05-1 part of yttrium oxide, and 0.5-2 parts of a carbon source (starch, cellulose). The preparation method comprises the following steps: carrying out ball milling and spray granulation on raw materials, carrying out dry pressing and cold isostatic pressing molding, and sequentially carrying out vacuum hot pressing sintering on a green body for 2 hours and hot isostatic pressing post-treatment. The vacuum hot pressing sintering temperature is 1200 DEG C to 1400 DEG C, and the pressure is 50 MPa to 100 MPa; the hot isostatic pressing temperature is 1300-1500 DEG C, the pressure is 50-200 MPa, and the treatment time is 20-60 min. The obtained alumina-based ceramic has density of more than 99%, high toughness and good elasticity, and can be used as a bone substitute biological material.
本发明属于医用生物材料技术领域，具体涉及一种碳增韧氧化铝基复合生物陶瓷材料及其制备方法，按照质量份数的组成为：氧化铝75‑95份，氧化锆3‑25份，氧化钇0.05‑1份，碳源(淀粉、纤维素)0.5‑2份。将原料经球磨、喷雾造粒后，进行干压、冷等静压成型，将生坯依次进行真空热压烧结2小时和热等静压后处理。真空热压烧结温度为1200℃‑1400℃，压力为50‑100MPa；热等静压温度为1300℃‑1500℃，压力为50‑200MPa，处理时间为20‑60min。得到的氧化铝基陶瓷致密度大于99％，韧性高、弹性好，可作为骨骼替代生物材料。
Carbon-toughened alumina-based composite biological ceramic material and preparation method thereof
The invention belongs to the technical field of medical biological materials, and particularly relates to a carbon-toughened alumina-based composite biological ceramic material and a preparation method thereof, the carbon-toughened alumina-based composite biological ceramic material comprises the following components by mass: 75-95 parts of alumina, 3-25 parts of zirconia, 0.05-1 part of yttrium oxide, and 0.5-2 parts of a carbon source (starch, cellulose). The preparation method comprises the following steps: carrying out ball milling and spray granulation on raw materials, carrying out dry pressing and cold isostatic pressing molding, and sequentially carrying out vacuum hot pressing sintering on a green body for 2 hours and hot isostatic pressing post-treatment. The vacuum hot pressing sintering temperature is 1200 DEG C to 1400 DEG C, and the pressure is 50 MPa to 100 MPa; the hot isostatic pressing temperature is 1300-1500 DEG C, the pressure is 50-200 MPa, and the treatment time is 20-60 min. The obtained alumina-based ceramic has density of more than 99%, high toughness and good elasticity, and can be used as a bone substitute biological material.
本发明属于医用生物材料技术领域，具体涉及一种碳增韧氧化铝基复合生物陶瓷材料及其制备方法，按照质量份数的组成为：氧化铝75‑95份，氧化锆3‑25份，氧化钇0.05‑1份，碳源(淀粉、纤维素)0.5‑2份。将原料经球磨、喷雾造粒后，进行干压、冷等静压成型，将生坯依次进行真空热压烧结2小时和热等静压后处理。真空热压烧结温度为1200℃‑1400℃，压力为50‑100MPa；热等静压温度为1300℃‑1500℃，压力为50‑200MPa，处理时间为20‑60min。得到的氧化铝基陶瓷致密度大于99％，韧性高、弹性好，可作为骨骼替代生物材料。
Carbon-toughened alumina-based composite biological ceramic material and preparation method thereof
碳增韧氧化铝基复合生物陶瓷材料及其制备方法
CHEN ZHIHUI (author) / MA ZHONGMOU (author) / QIU JIANHUA (author) / REN YURONG (author) / BIAN ZHENGXIANG (author)
2024-02-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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