Production of Hybrid Tubular Metal-Fiber-Preforms: Material Characterization of Braided Hoses with a Binder
Production of Hybrid Tubular Metal-Fiber-Preforms: Material Characterization of Braided Hoses with a Binder
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混合管状金属纤维预制件的生产：使用粘合剂的编织软管的材料表征
DOI：
10.1016/j.procir.2019.09.013
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
Fleischer
中科院分区：
文献类型：
--
作者：
Ruhland;Berger;Coutandin;Fleischer
混合轴或杆，其中载荷引入区域是金属（例如钢或铝），载荷传递区域是由纤维增强塑料（FRP）制成，是轻量级部件的既定概念。除了整体玻璃钢和金属区域外，两种材料的重叠区域尤为重要。这种零件可以通过使用液体复合成型（LCM）来生产，在树脂固化过程中进行粘合过程。这叫做本征杂化。在此之前，至关重要的是要生产一个近净形预制件，其中用于载荷引入的金属端件已经集成。为了持续高质量地制造这些零件，有必要建立一种通过缠绕编织预制体进行连接的工艺模型。本文介绍了编织软管与金属管件混合预制体的生产方法，并建立了工艺模型。该工艺从一个由编织软管制成的圆柱形多层预制件开始，其中各层由热塑性粘结剂粉末粘合。决定性的工艺步骤是将预成形件悬垂到金属配件上。在这一成形步骤中，混合预制体的材料特性起着重要的作用。因此，评估和执行了若干材料试验，以确定预制体的纺织参数。最后，给出了这些试验的结果并进行了讨论。
Hybrid shafts or rods, where the area of load introduction is metallic (e.g. steel or aluminium) and the area of load transfer is made of fibre reinforced plastics (FRP), are an established concept for lightweight parts. Besides the monolithic FRP and the metallic areas, the overlap area of both materials is particularly important. Such parts can beneficially be produced by the use of liquid composite moulding (LCM), where the bonding process takes place during the resin curing. This is called intrinsic hybridization. Beforehand it is crucial to produce a near-net-shape preform in which the metallic end fittings for the load introduction are already integrated. To manufacture such parts constantly with a high quality, a process model of the joining by draping the braided preform is necessary.In this paper an approach for the production of hybrid preforms made of braided hoses and metallic fittings is presented in order to develop a process model. The process starts with a cylindrical multi-layer preform made of braided hoses, in which the layers are bonded by a thermoplastic binder powder. The decisive process step is the draping of the preform onto the metallic fitting. For this forming step, the material characterization of the hybrid preform plays an important role. Several material tests to determine the textile parameters of the preform are therefore evaluated and performed. Finally, the results of these tests are presented and discussed.
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DOI：
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