宇航材料工艺2011，Vol.41Issue(2)：72-75,4.
环氧类韧性耐烧蚀防热涂层的研制与表征
Development and Evaluation of Epoxy-Based Tough Ablation-Resistant Coating
左瑞霖 1李晨光 1王慧 1孙伟华 1任英1
作者信息
- 1. 航天材料及工艺研究所,北京,100076
- 折叠
摘要
Abstract
A novel epoxy-based coating designated as TR-48 is developed in-house at Aerospace Research Institute of Matenals & Processing Technology. This material is composed of toughened epoxy binder for durable performance and is filled with special carbonate agent for improvement of ablation resistance. The TR-48 coating is evaluated by mechanical property testing, thermal physics property testing, ablation testing, as well as batch-stable testing. The tensile strength is 8. 7 to 11. 2 MPa, elongation rate is 6. 8％ to 12. 2％ , mass-retained in TG analysis at 800℃ is 51％ , mass-retained after 800℃ ,5 min static ablation is 38％ to 47％ . It is also found that sinter reaction during 600 to 800℃ is the main reason which makes ablation-resistance improved. Then the TR-48 is qualified by thermal testing in a wind tunnel or under an oxygen-kerosene engine to simulate the hypersonic aerodynamic heating and exhaust erosion. This material is characterized by excellent thermal protection performance and good ablation resistance.关键词
防热涂层/环氧树脂/耐烧蚀/韧性Key words
Thermal protection coatings ( TPC)/Epoxy/Ablation-resistant/ Toughness引用本文复制引用
左瑞霖,李晨光,王慧,孙伟华,任英..环氧类韧性耐烧蚀防热涂层的研制与表征[J].宇航材料工艺,2011,41(2):72-75,4.
