Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Boron phosphate ceramic material and preparation method thereof
The invention relates to a boron phosphate ceramic material and a preparation method thereof. According to the technical scheme, the preparation method comprises the following steps: mixing ammonium dihydrogen phosphate and boric oxide to obtain a mixture I; and carrying out ball milling, drying and mechanical pressing on the mixture I, keeping the temperature at 350-750 DEG C, and conducting crushing to obtain a boron phosphate powder; mixing magnesium oxide, zinc oxide, bismuth oxide and gadolinium oxide to obtain a mixture II; mixing ammonium dihydrogen phosphate and boron oxide according to different mass ratios to obtain a mixture III; mixing the mixture II and the mixture III, conducting mixing with boron phosphate powder, and carrying out ball milling and drying to obtain a zirconium phosphate ceramic powder; and carrying out mechanical pressing on the zirconium phosphate ceramic powder, carrying out cold isostatic pressing treatment, and carrying out heat preservation for 2-5 hours under the conditions of air atmosphere, normal pressure and 900-1200 DEG C to prepare the boron phosphate ceramic material. The preparation method is simple in process, short in production cycle and environment-friendly, and the prepared boron phosphate ceramic material is high in pressure/bending strength, good in thermal expansion performance and excellent in neutron shielding performance.
本发明涉及一种磷酸硼陶瓷材料及其制备方法。其技术方案是：将磷酸二氢铵和氧化硼混合，得混合料Ⅰ；将混合料Ⅰ球磨，烘干，机压成型，在350～750℃条件下保温，破碎，得到磷酸硼粉体。将氧化镁、氧化锌、氧化铋和氧化钆混合，得混合料Ⅱ；再将磷酸二氢铵和氧化硼按不同的质量比混合，得混合料Ⅲ；将混合料Ⅱ和混合料Ⅲ混合后再与磷酸硼粉体混合，球磨，烘干，制得磷酸锆陶瓷粉体。将磷酸锆陶瓷粉体机压成型，冷等静压处理，在空气气氛、常压和900～1200℃条件下保温2～5小时，制得磷酸硼陶瓷材料。本发明工艺简单、生产周期短和环境友好，所制备的磷酸硼陶瓷材料耐压/抗弯强度大、热膨胀性能良好和中子屏蔽性能优良。
Boron phosphate ceramic material and preparation method thereof
The invention relates to a boron phosphate ceramic material and a preparation method thereof. According to the technical scheme, the preparation method comprises the following steps: mixing ammonium dihydrogen phosphate and boric oxide to obtain a mixture I; and carrying out ball milling, drying and mechanical pressing on the mixture I, keeping the temperature at 350-750 DEG C, and conducting crushing to obtain a boron phosphate powder; mixing magnesium oxide, zinc oxide, bismuth oxide and gadolinium oxide to obtain a mixture II; mixing ammonium dihydrogen phosphate and boron oxide according to different mass ratios to obtain a mixture III; mixing the mixture II and the mixture III, conducting mixing with boron phosphate powder, and carrying out ball milling and drying to obtain a zirconium phosphate ceramic powder; and carrying out mechanical pressing on the zirconium phosphate ceramic powder, carrying out cold isostatic pressing treatment, and carrying out heat preservation for 2-5 hours under the conditions of air atmosphere, normal pressure and 900-1200 DEG C to prepare the boron phosphate ceramic material. The preparation method is simple in process, short in production cycle and environment-friendly, and the prepared boron phosphate ceramic material is high in pressure/bending strength, good in thermal expansion performance and excellent in neutron shielding performance.
本发明涉及一种磷酸硼陶瓷材料及其制备方法。其技术方案是：将磷酸二氢铵和氧化硼混合，得混合料Ⅰ；将混合料Ⅰ球磨，烘干，机压成型，在350～750℃条件下保温，破碎，得到磷酸硼粉体。将氧化镁、氧化锌、氧化铋和氧化钆混合，得混合料Ⅱ；再将磷酸二氢铵和氧化硼按不同的质量比混合，得混合料Ⅲ；将混合料Ⅱ和混合料Ⅲ混合后再与磷酸硼粉体混合，球磨，烘干，制得磷酸锆陶瓷粉体。将磷酸锆陶瓷粉体机压成型，冷等静压处理，在空气气氛、常压和900～1200℃条件下保温2～5小时，制得磷酸硼陶瓷材料。本发明工艺简单、生产周期短和环境友好，所制备的磷酸硼陶瓷材料耐压/抗弯强度大、热膨胀性能良好和中子屏蔽性能优良。
Boron phosphate ceramic material and preparation method thereof
一种磷酸硼陶瓷材料及其制备方法
LI YUANBING (Autor:in) / ZHANG YI (Autor:in) / LI SHUJING (Autor:in) / LI SHIQI (Autor:in)
20.08.2021
Patent
Elektronische Ressource
Chinesisch
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