Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-strength SrO-Cr2O3-ZTA ceramic and preparation method thereof
The invention discloses a high-strength SrO-Cr2O3-ZTA (Zinc Trioxide) ceramic and a preparation method thereof. According to the SrO-Cr2O3-ZTA ceramic, high-purity superfine alumina powder and zirconia powder are adopted as raw materials, strontium oxide and chromic oxide are adopted as additives, and the high-strength SrO-Cr2O3-ZTA ceramic is prepared through powder sanding treatment, rotary evaporation drying, strontium oxide and chromic oxide adding, mixed ball milling, rotary evaporation drying, dry-pressing isostatic pressing, degreasing, sintering, heat treatment and the like. The aluminum oxide powder raw material requirements are as follows: the purity is greater than or equal to 99.9%, and the particle size is 200-800nm; the raw material requirements of the zirconia powder are as follows: the purity is greater than or equal to 99.9%, and the particle size is The prepared SrO-Cr2O3-ZTA biological ceramic is fine in grain and uniform in size distribution, the volume density is larger than or equal to 4.40 g/cm < 3 >, the bending strength is larger than or equal to 900 MPa, and the Vickers hardness is larger than or equal to 16 GPa. The high-strength SrO-Cr2O3-ZTA ceramic prepared by the preparation method disclosed by the invention can be applied to the biological ceramic industry.
本发明公布了一种高强SrO‑Cr2O3‑ZTA陶瓷及其制备方法。所述SrO‑Cr2O3‑ZTA陶瓷采用高纯超细氧化铝粉和氧化锆粉体为原材料，氧化锶和氧化铬作为添加剂，通过粉体砂磨处理、旋转蒸发干燥、氧化锶和氧化铬添加、混合球磨、旋转蒸发干燥、干压等静压、脱脂和烧结、热等处理制备出高强度的SrO‑Cr2O3‑ZTA陶瓷。本发明采用氧化铝粉体原料要求：纯度≥99.9％，粒径在200～800nm；氧化锆粉体原料要求：纯度≥99.9％，粒径在50～200nm。本发明制备SrO‑Cr2O3‑ZTA生物陶瓷，晶粒细小且尺寸分布均匀，体积密度≥4.40g/cm3，弯曲强度≥900MPa，维氏硬度≥16GPa。本发明制备的高强SrO‑Cr2O3‑ZTA陶瓷可应用生物陶瓷行业。
High-strength SrO-Cr2O3-ZTA ceramic and preparation method thereof
The invention discloses a high-strength SrO-Cr2O3-ZTA (Zinc Trioxide) ceramic and a preparation method thereof. According to the SrO-Cr2O3-ZTA ceramic, high-purity superfine alumina powder and zirconia powder are adopted as raw materials, strontium oxide and chromic oxide are adopted as additives, and the high-strength SrO-Cr2O3-ZTA ceramic is prepared through powder sanding treatment, rotary evaporation drying, strontium oxide and chromic oxide adding, mixed ball milling, rotary evaporation drying, dry-pressing isostatic pressing, degreasing, sintering, heat treatment and the like. The aluminum oxide powder raw material requirements are as follows: the purity is greater than or equal to 99.9%, and the particle size is 200-800nm; the raw material requirements of the zirconia powder are as follows: the purity is greater than or equal to 99.9%, and the particle size is The prepared SrO-Cr2O3-ZTA biological ceramic is fine in grain and uniform in size distribution, the volume density is larger than or equal to 4.40 g/cm < 3 >, the bending strength is larger than or equal to 900 MPa, and the Vickers hardness is larger than or equal to 16 GPa. The high-strength SrO-Cr2O3-ZTA ceramic prepared by the preparation method disclosed by the invention can be applied to the biological ceramic industry.
本发明公布了一种高强SrO‑Cr2O3‑ZTA陶瓷及其制备方法。所述SrO‑Cr2O3‑ZTA陶瓷采用高纯超细氧化铝粉和氧化锆粉体为原材料，氧化锶和氧化铬作为添加剂，通过粉体砂磨处理、旋转蒸发干燥、氧化锶和氧化铬添加、混合球磨、旋转蒸发干燥、干压等静压、脱脂和烧结、热等处理制备出高强度的SrO‑Cr2O3‑ZTA陶瓷。本发明采用氧化铝粉体原料要求：纯度≥99.9％，粒径在200～800nm；氧化锆粉体原料要求：纯度≥99.9％，粒径在50～200nm。本发明制备SrO‑Cr2O3‑ZTA生物陶瓷，晶粒细小且尺寸分布均匀，体积密度≥4.40g/cm3，弯曲强度≥900MPa，维氏硬度≥16GPa。本发明制备的高强SrO‑Cr2O3‑ZTA陶瓷可应用生物陶瓷行业。
High-strength SrO-Cr2O3-ZTA ceramic and preparation method thereof
一种高强SrO-Cr2O3-ZTA陶瓷及其制备方法
ZHANG JIFENG (Autor:in) / ZHOU GUOHONG (Autor:in) / XIA JINFENG (Autor:in) / DU RUILIN (Autor:in) / CAO YUCHAO (Autor:in) / ZHANG YUNLONG (Autor:in)
31.03.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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