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REM micrograph of an aluminum-wetted glass fiber.


玻璃纤维浸润在铝合金中的REM 照片


researching innovative transition structures for the connection of CFRP and aluminum. Te research group plans, designs and produces innovative joining concepts using casting, weld- ing and textile engineering techniques. Experimental and numerical investigations thereby support the validation and further development of the solutions. Solutions for form-locking and material-integrated


joints are being investigated for the development of integral CFRP-aluminum constructions. Two approaches are being studied as potentially very promising solutions:


1. Foil concept


• Production of a titanium tape structure in the hybrid area • Welding connection of the titanium tape structure to aluminum


2. Fiber concept


• Integration of glass fibers in aluminum high pressure die casting


• Textile engineering production of glass fiber/carbon fiber combinations Conventional combinations of CFRP and aluminum are produced by adhesion of laminates and bolted joints. Tese


念。实验和数据研究都支持该科研结果以及进一步的解 决方案的开展。


推荐的解决方案


为了获得碳纤维复合材料-铝合金结构的合成方案, 研究小组对结构连接和材料复合的连接方法进行了实 验。经研究,以下两种方法被认为是非常有希望采用的 方法:


金属箔概念


在连接处采用钛合金带 将钛合金带与铝合金焊接


纤维材料概念


在铝合金压铸件中加入玻璃纤维 采用纺织工艺将玻璃纤维/碳纤维复合


最先进的技术 一般情况下,碳纤维复合材料和铝合金的合成通过层


Metallographic microsection of the glass fiber-aluminum area.


玻璃纤维-铝合金结合处的金 相显微切片


December 2015 FOUNDRY-PLANET.COM | MODERN CASTING | CHINA FOUNDRY ASSOCIATION | 89


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