工艺与制造英文2023被引 13
连续纤维增强复合材料多层桁架结构的空间三维打印及可控性能设计
Spatial 3D Printing of Continuous Fiber-Reinforced Composite Multilayer Truss Structures with Controllable Structural Performance
Daokang Zhang, Xiaoyong Tian, Yanli Zhou, Qingrui Wang, Wanquan Yan, Ali Akmal Zia, Lingling Wu, Dichen Li · Xi'an Jiaotong University
摘要整理
连续纤维增强复合材料桁架结构因其高结构承载效率和多功能应用前景，在航空航天工程中具有广泛应用潜力。本文基于连续纤维增强热塑性复合材料三维打印技术，设计并制造了力学性能可控的多层桁架结构。通过三维打印制备的连续纤维复合材料金字塔桁架具有高比刚度和高比强度，最大等效压缩模量和压缩强度分别达到401.91 MPa和30.26 MPa。同时，桁架结构的相对密度可低至1.45%。结构单元可沿任意方向扩展形成多层桁架结构，通过设计各层参数可实现结构性能的精准控制。本研究为设计低密度、具有独特承载效应的多功能多层桁架结构提供了新的技术途径，在轻量化结构设计领域具有重要意义。
相关论文
A review of recent developments in natural fibre composites and their mechanical performance
Composites Part A Applied Science and Manufacturing · 2015
Non-invasive electrical and magnetic stimulation of the brain, spinal cord, roots and peripheral nerves: Basic principles and procedures for routine clinical and research application. An updated report from an I.F.C.N. Committee
Clinical Neurophysiology · 2015
Lignocellulosic biomass: a sustainable platform for the production of bio-based chemicals and polymers
Polymer Chemistry · 2015
Design for Additive Manufacturing: Trends, opportunities, considerations, and constraints
CIRP Annals · 2016
Nanoimprint Lithography: Methods and Material Requirements
Advanced Materials · 2007
Nanocomposites: synthesis, structure, properties and new application opportunities
Materials Research · 2009
← 返回论文库整理：复材站编辑部