Laser Irradiation Behavior of Plasma-Sprayed Y2SiO5 and Y2Si2O7 Coatings

IF 3.3 3区材料科学 Q2 MATERIALS SCIENCE, COATINGS & FILMS

Journal of Thermal Spray Technology Pub Date : 2025-03-21 DOI:10.1007/s11666-025-01982-w

Ruokun Li, Yanbo Liu, Ling Liu, Lihong Gao, Zhuang Ma

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Abstract

With the rapid development of laser technology, laser protection for material surfaces has been a major concern. In this paper, Y₂SiO₅ and Y₂Si₂O₇ coatings were applied to the surface of high-temperature alloy substrates by air plasma spraying and irradiated using high-energy laser. The phase structure, microstructure, element distribution, reflectivity, and chemical state of the coatings were characterized. During laser irradiation, Y₂SiO₅ and Y₂Si₂O₇ coatings underwent melting and vaporization, and some areas also experienced mechanical spalling. Annealing can reduce the concentration of oxygen vacancy defects within the lattice, increase the reflectivity of the coating, and further enhance the laser protection capability of the coating. The annealed Y₂Si₂O₇ coating showed no damage under 1000 W/cm² laser irradiation for 15 seconds, and provided excellent protection for the substrate. Compared to Y₂SiO₅ coating, Y₂Si₂O₇ coating exhibits superior laser protective capability due to the higher reflectivity and better structural stability.

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等离子喷涂Y2SiO5和Y2Si2O7涂层的激光辐照性能

随着激光技术的飞速发展，激光对材料表面的保护已成为人们关注的焦点。本文采用空气等离子喷涂技术在高温合金基体表面喷涂Y2SiO5和Y2Si2O7涂层，并用高能激光照射。表征了涂层的相结构、微观结构、元素分布、反射率和化学状态。在激光照射下，Y2SiO5和Y2Si2O7涂层发生了熔化和汽化，部分区域还发生了机械剥落。退火可以降低晶格内氧空位缺陷的浓度，增加涂层的反射率，进一步增强涂层的激光防护能力。退火后的Y2Si2O7涂层在1000 W/cm2激光照射15秒后无损伤，对基体具有良好的保护作用。与Y2SiO5涂层相比，Y2Si2O7涂层具有更高的反射率和更好的结构稳定性，具有更强的激光防护能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Thermal Spray Technology 工程技术-材料科学：膜

CiteScore

5.20

自引率

25.80%

发文量

198

审稿时长

2.6 months

期刊介绍： From the scientific to the practical, stay on top of advances in this fast-growing coating technology with ASM International''s Journal of Thermal Spray Technology. Critically reviewed scientific papers and engineering articles combine the best of new research with the latest applications and problem solving. A service of the ASM Thermal Spray Society (TSS), the Journal of Thermal Spray Technology covers all fundamental and practical aspects of thermal spray science, including processes, feedstock manufacture, and testing and characterization. The journal contains worldwide coverage of the latest research, products, equipment and process developments, and includes technical note case studies from real-time applications and in-depth topical reviews.