Study on Plugging of UDMH Storage Tank Leakage by Epoxy Adhesive

2018 3rd International Conference on Insulating Materials, Material Application and Electrical Engineering

材料科学;无线电电子学;电工学

Huang, Yuanzheng^1 ; Huang, Zhiyong^1 ; Jin, Guofeng^1 ; Guo, Yi^1

Xi'An High-tech Research Institute, Shanxi, China^1

关键词: Clamping fixture;    Epoxy adhesives;    Free of cracks;    Good compatibility;    Metal surfaces;    Storage tank;    Tensile shear strength;    Thermal decomposition temperature;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/452/2/022119/pdf
DOI  :  10.1088/1757-899X/452/2/022119

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

In this paper, the thermal stability of epoxy adhesive castings and their compatibility with UDMH were studied. The influence of UDMH on tensile shear strength was investigated, and the simulated leakage plugging of UDMH tank was carried out. The results show that the thermal decomposition temperature of epoxy adhesive is 200 °C, which meets the requirement of heat resistance for leakage plugging. Epoxy resin castings have good compatibility with UDMH. The mass change rate of epoxy resin castings is less than 7% after soaking at room temperature for 15 days, and the surface of the specimens is smooth and free of cracks after immersion. The tensile shear strength of UDMH wetting on bonded metal surface increases a little. With the aid of clamping fixture, the simulated plugging of weld seam and sand whole defects of UDMH tank can be realized effectively.