Solution precursor plasma spray deposition of nanocrystalline functional ceramic coatings

纳米晶功能陶瓷涂层的溶液前驱体等离子喷涂沉积

• 批准号: 46327-2009
• 负责人: Coyle, Thomas
• 金额: $ 2.91万
• 依托单位: University of Toronto
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2009
• 资助国家: 加拿大
• 起止时间: 2009-01-01 至 2010-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=421456
• 关键词: Solution; precursor; plasma; spray; deposition

Solution precursor plasma spraying (SPPS) is a process capable of depositing coatings of almost any composition by injecting solutions of precursor salts corresponding to the desired coating composition into a DC-arc plasma. The rapid formation of the solid from the solution results in extremely fine crystallite sizes, typically on the order of 20-30 nm. Coating structures can range from extremely high porosities to nearly completely dense. However, a number of complex phenomena are involved and significant challenges exist in understanding and controlling the process in order to be able to reliably deposit coatings of the desired structure, composition, and properties.

溶液前体等离子体喷涂（SPPS）是一个能够通过将与所需涂层组成相对应的前体盐的溶液注入DC-ARC等离子体的过程。溶液中固体的快速形成产生极高的晶体大小，通常在20-30 nm的阶。涂层结构的范围从极高的孔隙率到几乎完全致密。但是，涉及许多复杂的现象，并在理解和控制过程中存在重大挑战，以便能够可靠地沉积所需结构，组成和特性的涂层。