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Cold spraying metal coating for improving frequent elasticity resistance of ceramic armor and preparation method of cold spraying metal coating
The invention discloses a cold spraying metal coating capable of improving the frequent elasticity resistance of a ceramic armor and a preparation method of the cold spraying metal coating, the ceramic surface is effectively coarsened by using a laser etching process, the metal coating is deposited on the coarsened ceramic surface by using a cold spraying technology, and a composite ceramic armor sample is prepared. The method has the advantages that (1) the ceramic surface is textured by utilizing a laser etching process, the surface roughness (Ra) is controllable and reaches 20.5-23.9 microns, the bonding strength (20-23 Mpa) of a metal coating and a ceramic matrix is improved, and the problem that the ceramic surface is not easy to coarsen and spray is solved; (2) the cold-sprayed metal coating is compact in structure, the cohesive strength reaches 97-113MPa, and crack propagation is favorably restrained; and (3) the cold spraying operation is simple, the obtained composite ceramic armor is excellent in multiple elasticity resistance and is not broken down after being subjected to eight bullets, the weight increment of the composite ceramic armor is only 4.127% of the original weight, and the requirement for light weight of equipment is met.
本发明公开了一种提高陶瓷装甲防多发弹性能的冷喷涂金属涂层及其制备方法，利用激光刻蚀工艺对陶瓷表面进行有效粗化，利用冷喷涂技术在经粗化的陶瓷表面沉积金属涂层，制备出复合陶瓷装甲样件。优点：(1)利用激光刻蚀工艺对陶瓷表面进行织构化，表面粗糙度(Ra)可控，达到20.5～23.9μm，提高了金属涂层与陶瓷基体的结合强度(为20～23Mpa)，解决了陶瓷表面不易粗化、不易喷涂的难题；(2)冷喷涂金属涂层结构致密，内聚强度达到97～113MPa，有利于约束裂纹扩展；(3)冷喷涂操作简单，获得的复合陶瓷装甲防多发弹性能优异，受8发弹后未被击穿，且复合陶瓷装甲增重仅为原重量的4.127％，符合装备轻量化要求。
Cold spraying metal coating for improving frequent elasticity resistance of ceramic armor and preparation method of cold spraying metal coating
The invention discloses a cold spraying metal coating capable of improving the frequent elasticity resistance of a ceramic armor and a preparation method of the cold spraying metal coating, the ceramic surface is effectively coarsened by using a laser etching process, the metal coating is deposited on the coarsened ceramic surface by using a cold spraying technology, and a composite ceramic armor sample is prepared. The method has the advantages that (1) the ceramic surface is textured by utilizing a laser etching process, the surface roughness (Ra) is controllable and reaches 20.5-23.9 microns, the bonding strength (20-23 Mpa) of a metal coating and a ceramic matrix is improved, and the problem that the ceramic surface is not easy to coarsen and spray is solved; (2) the cold-sprayed metal coating is compact in structure, the cohesive strength reaches 97-113MPa, and crack propagation is favorably restrained; and (3) the cold spraying operation is simple, the obtained composite ceramic armor is excellent in multiple elasticity resistance and is not broken down after being subjected to eight bullets, the weight increment of the composite ceramic armor is only 4.127% of the original weight, and the requirement for light weight of equipment is met.
本发明公开了一种提高陶瓷装甲防多发弹性能的冷喷涂金属涂层及其制备方法，利用激光刻蚀工艺对陶瓷表面进行有效粗化，利用冷喷涂技术在经粗化的陶瓷表面沉积金属涂层，制备出复合陶瓷装甲样件。优点：(1)利用激光刻蚀工艺对陶瓷表面进行织构化，表面粗糙度(Ra)可控，达到20.5～23.9μm，提高了金属涂层与陶瓷基体的结合强度(为20～23Mpa)，解决了陶瓷表面不易粗化、不易喷涂的难题；(2)冷喷涂金属涂层结构致密，内聚强度达到97～113MPa，有利于约束裂纹扩展；(3)冷喷涂操作简单，获得的复合陶瓷装甲防多发弹性能优异，受8发弹后未被击穿，且复合陶瓷装甲增重仅为原重量的4.127％，符合装备轻量化要求。
Cold spraying metal coating for improving frequent elasticity resistance of ceramic armor and preparation method of cold spraying metal coating
一种提高陶瓷装甲防多发弹性能的冷喷涂金属涂层及其制备方法
LIU GUANG (author) / WANG XIAOXIA (author) / CHEN XIUYONG (author) / CUI LANG (author) / CHEN JIE (author) / JIA LI (author) / HAO ENKANG (author) / WANG SHOUYONG (author) / LI HUA (author)
2023-03-31
Patent
Electronic Resource
Chinese
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