高延伸率柔性耐烧蚀涂料拉伸性能分析

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Abstract The temperature of solid rocket motor gas can be as high as 3 000 K, which puts extremely stringent requirements on the thermal protection of the engine. In this work, the tensile properties of a high elongation flexible ablation resistant coating under different curing times, different curing temperatures, different curing agent contents and different stretching rates were studied. It was found that the curing time and curing agent content have little effect on the tensile properties of the coating. But the curing temperature was increased from 80 ℃ to 150 ℃, under the curing time of 6 h, the tensile strength increased by 90%; and when the loading rate was increased from 5 mm/min to 10 mm/min, the tensile strength was increases by 3.5%, the elongation was actually reduced by 55%. Therefore, the curing temperature and loading rate should be important factors influencing the tensile properties of the coating.

Key words： thermal protection curing temperature tensile properties loading rate

Published: 05 July 2019

CLC number:

TQ33

About author:: Qianglai Bai received his M.S. degree in April 2016 from Northwestern Polytechnical University in enginee-ring. In the same year, he joined the Xi’an Institute of Modern Control Technology and has been working on thermal protective coatings and composite materials.

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	BAI Qianglai
	FU Quan
	PAN Chenggang
	WANG Linde
	MU Zhaoyang

Cite this article:

BAI Qianglai,FU Quan,PAN Chenggang, et al. Analysis of Tensile Properties of High Elongation Flexible Ablative Resistant Coatings[J]. Materials Reports, 2019, 33(z1): 485-487.

URL:

http://www.mater-rep.com/EN/ OR http://www.mater-rep.com/EN/Y2019/V33/Iz1/485