伽马辐射对聚硅氮烷润滑涂层结构及摩擦学性能的影响

孟真萱; 胡镕; 万宏启; 张定军; 吴龑平

doi:10.11777/j.issn1000-3304.2026.26068

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伽马辐射对聚硅氮烷润滑涂层结构及摩擦学性能的影响

研究论文 | 更新时间：2026-06-18

- 伽马辐射对聚硅氮烷润滑涂层结构及摩擦学性能的影响
- Effect of Gamma Radiation on the Structure and Tribological Properties of Polysilazane Lubricating Coatings
- 高分子学报 2026年页码：1-11
- 作者机构：
  
  1.兰州理工大学材料科学与工程学院兰州 730050
  2.中国科学院兰州化学物理研究所润滑材料全国重点实验室兰州 730000
- 作者简介：
  
  E-mail: zhangdingjun@lut.edu.cn
  E-mail: wuyanping1012@126.com
- 基金信息：
  
  国家重点研发计划项目(2024YFB3410300)
- DOI：10.11777/j.issn1000-3304.2026.26068
  中图分类号：
- CSTR：32057.14.GFZXB.2026.7610
- 收稿：2026-03-20，
  
  录用：2026-05-02，
  
  网络首发：2026-06-18，
- 稿件说明：
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孟真萱, 胡镕, 万宏启, 张定军, 吴龑平. 伽马辐射对聚硅氮烷润滑涂层结构及摩擦学性能的影响. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26068.

Meng, Z. X.; Hu, R.; Wan, H. Q.; Zhang, D. J.; Wu, Y. P. Effect of gamma radiation on the structure and tribological properties of polysilazane lubricating coatings. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26068.
孟真萱, 胡镕, 万宏启, 张定军, 吴龑平. 伽马辐射对聚硅氮烷润滑涂层结构及摩擦学性能的影响. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26068. DOI： CSTR： 32057.14.GFZXB.2026.7610.

Meng, Z. X.; Hu, R.; Wan, H. Q.; Zhang, D. J.; Wu, Y. P. Effect of gamma radiation on the structure and tribological properties of polysilazane lubricating coatings. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26068. DOI： CSTR： 32057.14.GFZXB.2026.7610.

摘要

服役于核反应堆内运动机构表面的润滑防护涂层同时面临着长寿命润滑和长期辐射稳定性的双重考验. 本工作以具有良好耐核辐射潜力的聚硅氮烷(PSZ)为基础树脂粘结剂，复配二硫化钼(MoS

)润滑填料，获得具有良好润滑和耐辐照性能的PSZ型黏结固体润滑涂层材料. 系统研究了涂层材料在不同处理温度下和伽马射线辐照前后结构、力学性能和摩擦学性能变化情况. 结果表明：高温热处理和

射线辐照均能够促进PSZ复合润滑涂层的交联固化，使复合涂层的硬度和摩擦学性能显著改善；同时经过300℃高温热处理和

射线辐照后的复合涂层耐磨损性能表现突出，其平均摩擦系数在0.34左右，磨损率低至6.7×10

-6

/N·m，表现出良好的摩擦学性能和耐

射线辐照性能. 上述研究结果为未来高辐射剂量新型核反应堆内相关机械运动部件的表面润滑防护处理提供技术支撑和理论指导.

Abstract

Lubrication and protective coatings applied to the surfaces of moving mechanisms in nuclear reactors face the dual challenges of long-life lubrication and long-term radiation stability. In this study

polysilazane (PSZ)

a precursor with excellent potential for nuclear radiation resistance

was adopted as the base resin binder

and molybdenum disulfide (MoS

) was incorporated as the lubricating filler to prepare a PSZ-bonded solid lubricating coating with favorable lubricating and radiation-resistant properties. The variations in the composition

structure

mechanical properties

and tribological properties of the coating after heat treatment at different temperatures and before and after gamma-ray irradiation were systematically investigated. The results show that both high-temperature heat treatment at 300 ℃ and gamma-ray irradiation can promote the cross-linking and curing of the PSZ composite lubricating coating

thus significantly improving the hardness and tribological properties of the composite coating. In particular

the composite coating subjected to the combined treatment of 300 ℃ high-temperature heat treatment and gamma-ray irradiation exhibited outstanding wear resistance

with an average friction coefficient of approximately 0.34 and a wear rate as low as 6.7×10

-6

/(N·m). The composite coating exhibited excellent tribological properties and gamma-ray radiation resistance. The above research findings provide technical support and theoretical guidance for surface lubrication and protection of relevant mechanically moving components in advanced nucl

ear reactors under high radiation dose conditions in the future.

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references

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