Inspired square micro-texture structures designed by nanosecond laser sculpture for enhancing adhesion strength of plasma spraying Si-HfO2 bond coat on SiC substrates

• Published in: Optics and laser technology Vol. 175; p. 110840
• Main Authors: Yu, Shuang, Wang, Yaming, Wang, Shuqi, Zhao, Qiang, Li, Yang, Ren, Dawei, Chen, Guoliang, Zou, Yongchun, Ouyang, Jiahu, Jia, Dechang, Zhou, Yu
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.08.2024
• Subjects: Adhesion strength; Laser surface texture; Mechanical anchoring; Residual stress; Mechanical anchoring; Residual stress; Laser surface texture; Adhesion strength

•The square micro-textures inspired by straw checkered sand fixation are fabricated on the SiC substrate using nanosecond laser sculpture.•The square micro-texturesprovide a 200% increase in adhesion strength than the conventional grit-blasted one.•The mechanical anchoring, wetting, and residual str...