工艺与制造英文2020被引 6
玻纤增强聚丙烯热塑性复合材料的超声焊接：外层纤维取向和纤维体积分数的影响研究
Ultrasonic Welding of Glass Fiber Reinforced PP Thermoplastic Composites: An Investigation of the Outer Layer Orientation and the Fiber Volume Fraction
Murtada Abass A. Alrubaie · University of Maine
摘要整理
本文通过实验研究了E玻璃纤维增强聚丙烯（GF/PP）层板外层纤维取向和纤维体积分数对超声焊接接头质量的影响。采用田口方法设计正交L16阵列（OA）试验，评估外层纤维取向和纤维体积分数对焊接工艺参数的影响，重点考察焊接能量、振动幅度、焊接压力、保压力和保压时间等五个因素，以实现高质量焊接。试验采用15 kHz超声焊接设备，最大供电功率为4000 W。使用纤维体积分数为36%和46%的GF/PP层板，其外层纤维取向为单向或90°方向。采用厚度为0.127 mm的聚丙烯膜作为平面能量导向器（ED）。通过单搭接焊接接头的表观剪切强度和激光剪切散斑干涉技术（非破坏性检测）评估焊接质量，并利用高速数字成像系统监测接头失效机制。研究结果表明：相比使用平面能量导向器的情况，采用最高焊接能量、最低振动幅度、最低焊接压力、最低保压时间和保压力的单向GF/PP层板（纤维体积分数最低）组合方案能获得更高的焊接接头表观剪切强度。通过确认试验验证了预测的表观剪切强度与实测值的一致性。
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