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有机-无机溶胶-凝胶中间层在盐环境中对铝-玻璃纤维增强塑料-碳纤维增强塑料层压板的耐久性

The Durability of an Organic-Inorganic Sol-Gel Interlayer in Al-GFRP-CFRP Laminates in a Saline Environment.

作者信息

Surowska Barbara, Ostapiuk Monika, Jakubczak Patryk, Droździel Magda

机构信息

Department of Materials Engineering, Faculty of Mechanical Engineering, Lublin University of Technology, 36 Nadbystrzycka St., 20-618 Lublin, Poland.

出版信息

Materials (Basel). 2019 Jul 25;12(15):2362. doi: 10.3390/ma12152362.

DOI:10.3390/ma12152362
PMID:31349545
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6695613/
Abstract

The aim of the study was to assess the selected properties of a hybrid organic-inorganic silane sol-gel coating (HSG) used in hybrid fiber metal laminates (FML) in a corrosion environment. The HSG coating on the aluminum alloy was produced using 3M™ AC130-2 formulation consisting of 3-glycidoxypropyl-trimethoxysilane (GPTMS) and tetra-n-propoxyzirconium (zirconium(IV) propoxide) (TPOZ). Laminates consisted of aluminum alloy AA2024-T3 sheets, with carbon fiber reinforced polymers (CFRPs) and a glass fiber reinforced metal-composite structure (GFRP). Potentiodynamic and polarization curve and impedance (EIS) tests were carried out on HSG at ambient temperatures after 1 h and 150 h of soaking. Neutral 0.5 M NaCl and 0.8 M NaCl solutions were used for open circuit potential (OCP) and potentiodynamic tests, and 0.5 NaCl was used for the EIS test. A neutral salt spray (NSS) test was applied to laminates with a 12 week exposure period. The results obtained revealed that the HSG coating did not provide sufficient protection against corrosion of the aluminum alloy in direct contact with an aggressive environment but was effective as an interlayer. Local aluminum sheet perforation did not lead to delamination at the metal-composite interface regardless of the type or configuration of the composite. This confirms the durability of HSG used in FMLs.

摘要

本研究的目的是评估用于混杂纤维金属层压板(FML)的有机-无机硅烷杂化溶胶-凝胶涂层(HSG)在腐蚀环境中的选定性能。铝合金上的HSG涂层是使用由3-缩水甘油氧基丙基三甲氧基硅烷(GPTMS)和四正丙氧基锆(锆(IV)丙醇盐)(TPOZ)组成的3M™ AC130-2配方制备的。层压板由铝合金AA2024-T3板材、碳纤维增强聚合物(CFRP)和玻璃纤维增强金属复合结构(GFRP)组成。在浸泡1小时和150小时后,于环境温度下对HSG进行动电位极化曲线和阻抗(EIS)测试。中性0.5 M NaCl和0.8 M NaCl溶液用于开路电位(OCP)和动电位测试,0.5 NaCl用于EIS测试。对层压板进行了为期12周的中性盐雾(NSS)试验。所得结果表明,HSG涂层不能为与侵蚀性环境直接接触的铝合金提供足够的防腐蚀保护,但作为中间层是有效的。无论复合材料的类型或结构如何,局部铝板穿孔都不会导致金属-复合材料界面分层。这证实了FML中使用的HSG的耐久性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/5c06cdc167d8/materials-12-02362-g013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/12a615cabee7/materials-12-02362-g009a.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/5c06cdc167d8/materials-12-02362-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/ad09f54f3061/materials-12-02362-g001a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/8131ea4343e9/materials-12-02362-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/d9baaae2090c/materials-12-02362-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/5b56bbb08dd1/materials-12-02362-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/674474862a37/materials-12-02362-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/cab868359358/materials-12-02362-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/12a615cabee7/materials-12-02362-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/e91d415246af/materials-12-02362-g010a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/f1933758097c/materials-12-02362-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/e1a78a757ff7/materials-12-02362-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7791/6695613/5c06cdc167d8/materials-12-02362-g013.jpg

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