Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Infrared transparent ceramic material and preparation method thereof
The invention provides an infrared transparent ceramic material and a preparation method thereof, and belongs to the technical field of ceramic materials, the chemical general formula of the infrared transparent ceramic material is Gd2O3-MgO-ROm, R is Y, Sc, Ca, Sr, La and Lu, and m is equal to 1 or 1.5; the infrared transparent ceramic material is composed of a cubic phase Gd2O3 and a cubic phase MgO, the nano-composite powder is prepared by sintering nano-composite powder composed of nano-powder containing Gd2O3, nano-powder of MgO and nano-powder of ROm. Wherein in the nano composite powder, the volume ratio of the nano powder of Gd2O3 to the nano powder of MgO is (1: 5)-(5: 1), and the nano powder of ROm accounts for 0.01-10% of the total molar weight of the nano composite powder. According to the preparation method disclosed by the invention, the preparation of the mid-infrared broadband high-transmittance Gd2O3-MgO nano composite ceramic is realized, and the average transmittance of mid-infrared 3-7 microns is greater than 80%.
本发明提出了一种红外透明陶瓷材料及其制备方法，属于陶瓷材料技术领域，其化学通式为Gd2O3‑MgO‑ROm，其中R＝Y、Sc、Ca、Sr、La、Lu，m＝1或1.5；所述红外透明陶瓷材料由立方相Gd2O3和立方相MgO两相组成；采用含有Gd2O3的纳米粉体、MgO的纳米粉体和ROm的纳米粉体组成的纳米复合粉体烧结而成；其中，所述纳米复合粉体中，Gd2O3的纳米粉体和MgO的纳米粉体的体积比为1:5‑5:1，ROm的纳米粉体占所述纳米复合粉体总摩尔量的百分比为0.01‑10％。本发明实现了中红外宽波段高透过率Gd2O3‑MgO纳米复相陶瓷的制备，中红外3‑7μm的平均透过率大于80％。
Infrared transparent ceramic material and preparation method thereof
The invention provides an infrared transparent ceramic material and a preparation method thereof, and belongs to the technical field of ceramic materials, the chemical general formula of the infrared transparent ceramic material is Gd2O3-MgO-ROm, R is Y, Sc, Ca, Sr, La and Lu, and m is equal to 1 or 1.5; the infrared transparent ceramic material is composed of a cubic phase Gd2O3 and a cubic phase MgO, the nano-composite powder is prepared by sintering nano-composite powder composed of nano-powder containing Gd2O3, nano-powder of MgO and nano-powder of ROm. Wherein in the nano composite powder, the volume ratio of the nano powder of Gd2O3 to the nano powder of MgO is (1: 5)-(5: 1), and the nano powder of ROm accounts for 0.01-10% of the total molar weight of the nano composite powder. According to the preparation method disclosed by the invention, the preparation of the mid-infrared broadband high-transmittance Gd2O3-MgO nano composite ceramic is realized, and the average transmittance of mid-infrared 3-7 microns is greater than 80%.
本发明提出了一种红外透明陶瓷材料及其制备方法，属于陶瓷材料技术领域，其化学通式为Gd2O3‑MgO‑ROm，其中R＝Y、Sc、Ca、Sr、La、Lu，m＝1或1.5；所述红外透明陶瓷材料由立方相Gd2O3和立方相MgO两相组成；采用含有Gd2O3的纳米粉体、MgO的纳米粉体和ROm的纳米粉体组成的纳米复合粉体烧结而成；其中，所述纳米复合粉体中，Gd2O3的纳米粉体和MgO的纳米粉体的体积比为1:5‑5:1，ROm的纳米粉体占所述纳米复合粉体总摩尔量的百分比为0.01‑10％。本发明实现了中红外宽波段高透过率Gd2O3‑MgO纳米复相陶瓷的制备，中红外3‑7μm的平均透过率大于80％。
Infrared transparent ceramic material and preparation method thereof
一种红外透明陶瓷材料及其制备方法
FAN JINTAI (Autor:in) / QIAN KAICHEN (Autor:in) / SHEN ZONGYUN (Autor:in) / ZHANG LONG (Autor:in) / FENG TAO (Autor:in) / JIANG BENXUE (Autor:in) / FENG MINGHUI (Autor:in) / ZHANG LULU (Autor:in) / FAN XIANGLONG (Autor:in) / CHEN BAIJIAN (Autor:in)
07.03.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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