摘要： 为满足飞机整体油箱的防腐设计要求，本文研制了一种整体油箱用环氧防腐涂料，测试涂层在不同种类铝合金上的性能，考察涂层与密封剂的剪切强度，研究铝合金基材表面处理工艺、黏结底涂种类对涂层与密封剂相容性的影响。研究结果表明：涂层在各类铝合金上的应用性能优异，与 HM118密封剂的剪切强度满足设计要求；铝合金表面处理工艺对密封剂剥离强度无影响；PR1782密封剂在有无黏结底涂配套时，均能表现出与涂层优异的相容性；HM118密封剂内聚破坏强度高于 PR1782，需与黏结底涂配套使用，配套 Naftoseal. MC-115黏结底涂的剥离强度高于 PR-188 UNIVERSAL SEALANT。

关键词: 整体油箱, 防腐涂料, 黏结底涂, 密封剂, 剥离强度

Abstract: In order to meet the anticorrosive design requirements of civil aircraft integral fuel tank，epoxy anticorrosive coatings for integral fuel tank was developed. The performance ofthe coatings on different kinds of aluminum alloy was tested，the shear strength of the coatingand the sealant was investigated，and the influence of the surface treatment process ofaluminum alloy substrate and the type of bonding primer on the compatibility of the coatingand the sealant was studied. The results showed that the coating had excellent applicationperformance on various aluminum alloys，and the shear strength with HM118 sealant meet thedesign requirements. Aluminum alloy surface treatment process had no effect on the peeling strength of sealant. PR1782 sealant showed excellent compatibility with the coating with orwithout bonding primer. The cohesive breaking strength of HM118 sealant was higher than thatof PR1782，and it should be used with bonding primer. The peeling strength of Naftoseal. MC-115 bonding primer was higher than that of PR-188 UNIVERSAL SEALANT.

Key words: integral fuel tank；anticorrosive coating；adhesive undercoat；sealant；peel , strength 

中图分类号: 

• TQ635. 6