涡轮系统部件的仿生细胞结构

A. Mandoc, R. Maier, C. Opran, Vicenzo Delle Curti, G. Lamanna
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引用次数: 0

摘要

研究的目的是研究受自然启发的细胞结构,以提高涡轮系统部件(例如水力和燃气涡轮叶片,ogv -外导叶,短舱,齿轮箱)的内部结构阻力,同时减少质量。研究是在实验室层面进行的,利用两种3D打印技术获得所需的细胞结构,并进一步测试其抗拉伸、抗弯曲和抗冲击性。第一个选择的技术是连续长丝制造的熔融沉积建模,以获得3D打印部件,可以用连续的碳,玻璃或凯夫拉纤维增强。第二种技术是数字光处理3D打印,它使用在数字光源下固化的光聚合物液体树脂。利用3D打印技术的主要动机是希望在涡轮系统部件的最终制造中实现快速原型设计,并通过仿生结构优化结构和提高结构和动态效率。传统的聚合物复合材料制造技术有时会限制其生产的几何形状,而增材制造有可能介入并帮助创造通过传统制造方法无法获得的内部结构。新开发的结构架构可以通过3D打印为特定应用制造,这允许高水平的定制参数,包括使用连续碳、玻璃和凯夫拉纤维来创建几何图案的可能性。所有这些,结合传统的复合材料制造技术,可以获得更好的最终结果。
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BIOMIMETIC CELLULAR STRUCTURES FOR TURBINE SYSTEM COMPONENTS
The research aim is to investigate cellular structures inspired from nature, in order to improve the internal structural resistance of turbine system components (e.g. hydroelectric and gas turbine blades, OGV-Outer Guide Vanes, nacelles, gearboxes) with reduced mass. The investigations were conducted at laboratory level, utilizing two 3D printing technologies to acquire the desired cellular structures which were further tested for tensile, bending and impact resistance. The first selected technology was Fused Deposition Modelling with Continuous Filament Fabrication to obtain 3D printed parts, which can be reinforced with continuous carbon, glass, or Kevlar fibers. The second technology used is Digital Light Processing 3D printing, which uses photopolymer liquid resin that cures under digital light source. The main motivation of utilizing the 3D printing technologies is the desire of implementing rapid prototyping in the final manufacturing of the turbine system components with structural topological optimization and improved structural and dynamic efficiency through biomimetic inspired structures. Conventional polymeric composite manufacturing technologies are sometimes restrictive in the geometries they can produce, and there is a chance that additive manufacturing can step in and help create internal structures that could not be obtained through conventional manufacturing methods. New developed structural architectures could be manufactured for a specific application through 3D printing which allows for a high level of customization parameters, including the possibility to use continuous carbon, glass and Kevlar fiber to create the geometrical pattern. All these, combined with conventional composite manufacturing technologies, could lead to obtain better end results.
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来源期刊
International Journal of Modern Manufacturing Technologies
International Journal of Modern Manufacturing Technologies Engineering-Industrial and Manufacturing Engineering
CiteScore
0.70
自引率
0.00%
发文量
15
期刊介绍: The main topics of the journal are: Micro & Nano Technologies; Rapid Prototyping Technologies; High Speed Manufacturing Processes; Ecological Technologies in Machine Manufacturing; Manufacturing and Automation; Flexible Manufacturing; New Manufacturing Processes; Design, Control and Exploitation; Assembly and Disassembly; Cold Forming Technologies; Optimization of Experimental Research and Manufacturing Processes; Maintenance, Reliability, Life Cycle Time and Cost; CAD/CAM/CAE/CAX Integrated Systems; Composite Materials Technologies; Non-conventional Technologies; Concurrent Engineering; Virtual Manufacturing; Innovation, Creativity and Industrial Development.
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