Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of zirconium oxide toughened aluminum oxide powder and ceramic
The invention provides a preparation method of zirconium oxide toughened aluminum oxide powder, which comprises the following steps: S1, mixing an aluminum nitrate solution and a zirconium nitrate solution, adding a surfactant, and stirring to obtain a first solution, S2, adding an alkaline aqueous solution into the first solution, carrying out precipitation aging treatment, and carrying out suction filtration on the reacted first solution to collect lower-layer precipitates, thereby obtaining a precipitate mixture, and S3, calcining the precipitate mixture, and carrying out spray granulationon the precipitate mixture to obtain the zirconium oxide toughened aluminum oxide powder. The invention also provides the preparation method of the zirconium oxide toughened aluminum oxide ceramic, which comprises the preparation method of the zirconium oxide toughened aluminum oxide powder, a step of preparing a molded body and a step of sintering. The zirconium oxide toughened aluminum oxide powder and ceramic prepared by the method disclosed by the invention are uniform in particle size, good in sintering performance, uniform in component and excellent in mechanical property.
本发明提供了一种氧化锆增韧氧化铝粉末的制备方法，包括以下步骤：S1、将硝酸铝溶液和硝酸锆溶液混合，加入表面活性剂，搅拌，得到第一溶液。S2、向第一溶液中加入碱性水溶液，进行沉淀老化处理，对反应后的第一溶液进行抽滤以收集下层沉淀物，得到沉淀混合物。S3、将沉淀混合物进行煅烧后，再对其喷雾造粒，得到氧化锆增韧氧化铝粉末。还提供了一种氧化锆增韧氧化铝陶瓷的制备方法，包括上述氧化锆增韧氧化铝粉末的制备方法，还包括制备成型体步骤，及烧结步骤。采用本发明方法制备的氧化锆增韧氧化铝粉末和陶瓷，粒径均匀，烧结性能好，成分均匀，力学性能优异。
Preparation method of zirconium oxide toughened aluminum oxide powder and ceramic
The invention provides a preparation method of zirconium oxide toughened aluminum oxide powder, which comprises the following steps: S1, mixing an aluminum nitrate solution and a zirconium nitrate solution, adding a surfactant, and stirring to obtain a first solution, S2, adding an alkaline aqueous solution into the first solution, carrying out precipitation aging treatment, and carrying out suction filtration on the reacted first solution to collect lower-layer precipitates, thereby obtaining a precipitate mixture, and S3, calcining the precipitate mixture, and carrying out spray granulationon the precipitate mixture to obtain the zirconium oxide toughened aluminum oxide powder. The invention also provides the preparation method of the zirconium oxide toughened aluminum oxide ceramic, which comprises the preparation method of the zirconium oxide toughened aluminum oxide powder, a step of preparing a molded body and a step of sintering. The zirconium oxide toughened aluminum oxide powder and ceramic prepared by the method disclosed by the invention are uniform in particle size, good in sintering performance, uniform in component and excellent in mechanical property.
本发明提供了一种氧化锆增韧氧化铝粉末的制备方法，包括以下步骤：S1、将硝酸铝溶液和硝酸锆溶液混合，加入表面活性剂，搅拌，得到第一溶液。S2、向第一溶液中加入碱性水溶液，进行沉淀老化处理，对反应后的第一溶液进行抽滤以收集下层沉淀物，得到沉淀混合物。S3、将沉淀混合物进行煅烧后，再对其喷雾造粒，得到氧化锆增韧氧化铝粉末。还提供了一种氧化锆增韧氧化铝陶瓷的制备方法，包括上述氧化锆增韧氧化铝粉末的制备方法，还包括制备成型体步骤，及烧结步骤。采用本发明方法制备的氧化锆增韧氧化铝粉末和陶瓷，粒径均匀，烧结性能好，成分均匀，力学性能优异。
Preparation method of zirconium oxide toughened aluminum oxide powder and ceramic
一种氧化锆增韧氧化铝粉末及陶瓷的制备方法
XIAN RUIWEI (Autor:in) / YANG QINGSONG (Autor:in) / QIN HONGYOU (Autor:in) / LIAO XIAOLONG (Autor:in) / LIU KAI (Autor:in) / LI FANGWEI (Autor:in) / BI QIANLAN (Autor:in) / XU XINLIN (Autor:in) / LI CHAN (Autor:in) / WU SHA'OU (Autor:in)
09.03.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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