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A platform for research: civil engineering, architecture and urbanism
Method for preparing BN coating on surface of ceramic fiber
The invention discloses a method for preparing a BN coating on the surface of a ceramic fiber. The method comprises the following steps: 1, modifying chemical groups on the surface of the ceramic fiber; 2, preparing a boron nitride precursor in-situ reaction impregnation liquid; and 3, rapid wet chemical deposition of the BN coating. By means of the method, safe and rapid large-scale deposition of the high-quality BN coating can be achieved in the conventional environment, the prepared BN coating is compact and complete and is firmly combined with the ceramic fibers, and the problems that at present, the BN coating prepared on the ceramic fibers is low in quality, many in holes and prone to cracking and stripping are solved. In addition, according to the technology, the preparation technology of the BN coating is simplified, technological parameter regulation and control are simplified, multi-step harmful atmosphere heat treatment is avoided, and a foundation is laid for industrial production of the high-quality continuous BN coating.
本发明公开了一种在陶瓷纤维表面制备BN涂层的方法，该方法包括以下步骤：1.陶瓷纤维表面化学基团改性；2.氮化硼先驱体原位反应浸渍液配制；3快速湿化学沉积BN涂层。本发明可实现常规环境下安全快速地大批量沉积高质量BN涂层，制备的BN涂层致密、完整且与陶瓷纤维结合牢固，解决了目前在陶瓷纤维上制备的BN涂层质量低、孔洞多和易开裂剥离的问题。此外，该技术简化了BN涂层的制备工艺，简化了工艺参数调控，避免了多步骤的有害气氛热处理，为高质量连续BN涂层的工业化生产奠定了基础。
Method for preparing BN coating on surface of ceramic fiber
The invention discloses a method for preparing a BN coating on the surface of a ceramic fiber. The method comprises the following steps: 1, modifying chemical groups on the surface of the ceramic fiber; 2, preparing a boron nitride precursor in-situ reaction impregnation liquid; and 3, rapid wet chemical deposition of the BN coating. By means of the method, safe and rapid large-scale deposition of the high-quality BN coating can be achieved in the conventional environment, the prepared BN coating is compact and complete and is firmly combined with the ceramic fibers, and the problems that at present, the BN coating prepared on the ceramic fibers is low in quality, many in holes and prone to cracking and stripping are solved. In addition, according to the technology, the preparation technology of the BN coating is simplified, technological parameter regulation and control are simplified, multi-step harmful atmosphere heat treatment is avoided, and a foundation is laid for industrial production of the high-quality continuous BN coating.
本发明公开了一种在陶瓷纤维表面制备BN涂层的方法，该方法包括以下步骤：1.陶瓷纤维表面化学基团改性；2.氮化硼先驱体原位反应浸渍液配制；3快速湿化学沉积BN涂层。本发明可实现常规环境下安全快速地大批量沉积高质量BN涂层，制备的BN涂层致密、完整且与陶瓷纤维结合牢固，解决了目前在陶瓷纤维上制备的BN涂层质量低、孔洞多和易开裂剥离的问题。此外，该技术简化了BN涂层的制备工艺，简化了工艺参数调控，避免了多步骤的有害气氛热处理，为高质量连续BN涂层的工业化生产奠定了基础。
Method for preparing BN coating on surface of ceramic fiber
一种在陶瓷纤维表面制备BN涂层的方法
WANG YINGDE (author) / DU YIANG (author) / WANG BING (author) / SHAO CHANGWEI (author) / GOU YANZI (author) / WANG XIAOZHOU (author) / HAN CHENG (author) / LONG XIN (author) / ZHANG XIAOSHAN (author)
2023-12-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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