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Reliable Optimized Structures with High Performance Continuous fiber thermoplastic composites from Additive manufacturing (AM)

机译:具有高性能连续纤维热塑性复合材料的可靠优化结构,来自加性制造(AM)

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Additive Manufacturing (AM) is still one of the fastest growing manufacturing areas. While metal AM parts are more and more used for structural applications, few plastic AM parts and processes provide sufficient durability for this purpose. One of the problems is related to the lack of reliable material data for design as well as missing component level tests. Therefore, simulation efforts are progressing at slow speeds and often cannot be validated with experimental data. AREVO has overcome this challenge with its Direct Energy Deposition (DED) process that is capable to process carbon fiber volume contents of 50% and more as well as its modeling and software capabilities.In this paper, the mechanical properties including tension, compression, flexural, interlaminar shear, open hole tension and compression, fracture toughness, impact resistance and compression strength after impact (CAI) of the AREVO materials are reported. It can be seen that the mechanical properties are comparable with traditionally manufactured continuous carbon fiber thermoplastic composites. Using this data, the performance of structural components is simulated through an integrated approach considering the processing condition and tool path. The example of a simple structural element is presented here. Good agreement was achieved from the simulation and experimental testing, highlighting the reliability of the AREVO process and software capabilities.
机译:添加剂制造(AM)仍然是增长最快的制造领域之一。虽然金属AM部件越来越多地用于结构应用,但很少有塑料AM部件和工艺为此目的提供足够的耐久性。其中一个问题与缺乏设计的可靠性数据以及缺少的组件级测试有关。因此,仿真工作以缓慢的速度进行,并且通常不能用实验数据验证。 AREVO通过其直接能源沉积(DED)过程克服了这一挑战,该过程能够处理50%和更多以及其建模和软件功能的碳纤维体积含量。本文报道了包括张力,压缩,弯曲,层间剪切,开孔张力和压缩,打开孔张力和压缩,断裂韧性,抗冲击性,抗冲击性和压缩强度的机械性能,据报道了ISVO材料的冲击(CAI)。可以看出,机械性能与传统制造的连续碳纤维热塑性复合材料相当。使用此数据,考虑处理条件和刀具路径,通过集成方法模拟结构组件的性能。这里介绍了一个简单的结构元素的示例。良好的一致性是从模拟和实验测试中实现的,突出了ISVO过程和软件功能的可靠性。

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