Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Yttrium-stabilized zirconium oxide hafnium powder for thermal spraying and preparation method thereof
The invention discloses yttrium-stabilized zirconium oxide hafnium powder for thermal spraying and a preparation method of the yttrium-stabilized zirconium oxide hafnium powder. The preparation method comprises the following steps: firstly, preparing a yttrium-stabilized zirconium oxide hafnium precursor, then carrying out primary calcination, ball milling, sanding and spray granulation to prepare yttrium-stabilized zirconium oxide hafnium granulated powder, and finally, carrying out secondary calcination and screening to prepare the yttrium-stabilized zirconium oxide hafnium powder for thermal spraying. The yttrium-stabilized zirconium oxide hafnium powder is prepared by using ammonium bicarbonate as a precipitator, so that hard agglomeration during calcination is reduced; the yttrium-stabilized zirconium oxide hafnium powder is used as a thermal barrier coating material, and compared with traditional yttrium-stabilized zirconium oxide powder, the service temperature of the coating is increased; the content proportion of zirconium and hafnium in the yttrium-stabilized zirconium oxide hafnium powder for thermal spraying is controllable, and compared with yttrium-stabilized hafnium oxide powder, the raw material cost is reduced.
本发明公开了一种热喷涂用钇稳定氧化锆铪粉体及其制备方法，首先制备钇稳定氧化锆铪前驱体，再一次煅烧‑球磨‑砂磨‑喷雾造粒制备钇稳定氧化锆铪造粒粉，最后二次煅烧‑筛分制备热喷涂用钇稳定氧化锆铪粉体。本发明使用碳酸氢铵为沉淀剂制备钇稳定氧化锆铪粉体，减少了煅烧时的硬团聚；钇稳定氧化锆铪粉体作为热障涂层材料，相对于传统的钇稳定氧化锆粉体，提高了涂层服役温度；热喷涂用钇稳定氧化锆铪粉体中锆、铪含量比例可控，相对于钇稳定氧化铪粉体，降低了原料成本。
Yttrium-stabilized zirconium oxide hafnium powder for thermal spraying and preparation method thereof
The invention discloses yttrium-stabilized zirconium oxide hafnium powder for thermal spraying and a preparation method of the yttrium-stabilized zirconium oxide hafnium powder. The preparation method comprises the following steps: firstly, preparing a yttrium-stabilized zirconium oxide hafnium precursor, then carrying out primary calcination, ball milling, sanding and spray granulation to prepare yttrium-stabilized zirconium oxide hafnium granulated powder, and finally, carrying out secondary calcination and screening to prepare the yttrium-stabilized zirconium oxide hafnium powder for thermal spraying. The yttrium-stabilized zirconium oxide hafnium powder is prepared by using ammonium bicarbonate as a precipitator, so that hard agglomeration during calcination is reduced; the yttrium-stabilized zirconium oxide hafnium powder is used as a thermal barrier coating material, and compared with traditional yttrium-stabilized zirconium oxide powder, the service temperature of the coating is increased; the content proportion of zirconium and hafnium in the yttrium-stabilized zirconium oxide hafnium powder for thermal spraying is controllable, and compared with yttrium-stabilized hafnium oxide powder, the raw material cost is reduced.
本发明公开了一种热喷涂用钇稳定氧化锆铪粉体及其制备方法，首先制备钇稳定氧化锆铪前驱体，再一次煅烧‑球磨‑砂磨‑喷雾造粒制备钇稳定氧化锆铪造粒粉，最后二次煅烧‑筛分制备热喷涂用钇稳定氧化锆铪粉体。本发明使用碳酸氢铵为沉淀剂制备钇稳定氧化锆铪粉体，减少了煅烧时的硬团聚；钇稳定氧化锆铪粉体作为热障涂层材料，相对于传统的钇稳定氧化锆粉体，提高了涂层服役温度；热喷涂用钇稳定氧化锆铪粉体中锆、铪含量比例可控，相对于钇稳定氧化铪粉体，降低了原料成本。
Yttrium-stabilized zirconium oxide hafnium powder for thermal spraying and preparation method thereof
一种热喷涂用钇稳定氧化锆铪粉体及其制备方法
WU YUANXU (Autor:in) / ZOU ZHIPENG (Autor:in) / GUO SHUJUN (Autor:in) / XU XIN (Autor:in) / CHEN QISEN (Autor:in) / QIU RI'AN (Autor:in) / ZHONG MINGLONG (Autor:in) / ZENG KAN (Autor:in) / HE DEHUA (Autor:in)
28.05.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Preparation method of yttrium oxide stabilized zirconium oxide powder
| Europäisches Patentamt | 2024
Preparation method of yttrium-stabilized zirconium oxide nano-powder
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2022
Fully-stable zirconium oxide powder for thermal spraying, and preparation method thereof
| Europäisches Patentamt | 2021