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DOI:
热喷涂技术:2024,16(1):1-17
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悬浮液等离子喷涂沉积热障涂层研究进展
赵王鑫1, 马新野1, 曹毓鹏1, 王全胜2
(1.太原理工大学;2.北京理工大学)
Research progress of thermal barrier coatings deposited by suspension plasma spraying
Zhao Wangxin1, Ma Xinye1, CAO Yupeng1, Wang Quansheng2
(1.Taiyuan University of Technology;2.Beijing Institute of Technology)
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投稿时间:2024-04-07    修订日期:2024-04-22
中文摘要: 悬浮液等离子喷涂(SPS)采用液相送料的方式,解决了纳米级粉末在热喷涂过程中送料困难的问题,同时,可沉积具有纳米级或亚微米级的柱状晶或垂直裂纹等结构的涂层。本文综述了近些年SPS制备热障涂层的相关研究进展。对SPS的原理和工艺特点进行了介绍;阐述了SPS制备热障涂层典型微结构,包括垂直裂纹和柱状晶结构的沉积机理;探讨了悬浮液特性(包括固含量、粘度、表面张力)、喷涂工艺参数(包括喷枪类型、喷涂距离)、基材表面粗糙度等对SPS沉积涂层微结构、热物理性能、热循环性能等的影响。最后,对SPS未来的发展及研究趋势进行了展望。
Abstract:Suspension Plasma Spraying (SPS) adopts a liquid-phase feeding method, which solves the difficulty of feeding nano-scale powders during thermal spraying. At the same time, it can deposit coatings with nano-scale or sub-micron columnar crystals or vertical cracks. This paper reviews the relevant research progress in the preparation of thermal barrier coatings by SPS in recent years. It introduces the principles and technological characteristics of SPS and expounds the deposition mechanism of typical microstructures of thermal barrier coatings prepared by SPS, including vertical cracks and columnar crystal structures. The effects of suspension characteristics (including solid content, viscosity, and surface tension), spraying process parameters (including spray gun type and spraying distance), and substrate surface roughness on the microstructure, thermophysical properties, and thermal cycling performance of SPS-deposited coatings are also discussed. Finally, the future development and research trends of SPS are projected.
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基金项目:国家自然科学基金(52102073),山西省基础研究计划(自由探索类)青年项目(20210302124660)
引用文本:
赵王鑫,马新野,曹毓鹏,王全胜.悬浮液等离子喷涂沉积热障涂层研究进展[J].热喷涂技术,2024,16(1):1-17.
Zhao Wangxin,Ma Xinye,CAO Yupeng,Wang Quansheng.Research progress of thermal barrier coatings deposited by suspension plasma spraying[J].Thermal Spray Technology,202416(1):1-17.

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