Development of the Oxyacetylene Welding Process for PEI/Glass Fiber Laminates

IF 2.2 3区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING
Vitória Simplício de Oliveira, Rafael R. Lucas, T. Carvalho, L. Marques, J. F. Reis, A. B. M. Abrahao, E. C. Botelho
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引用次数: 0

Abstract

The technology for joining thermoplastics through welding offers numerous advantages over mechanical joining. Currently, the joining of composite parts with weight reduction and cost savings is being developed to improve aircraft performance. This paper proposes the use of oxygenacetylene as a process for bonding composite materials. Oxyacetylene welding is a simple and economical method that can be suitable for polymeric materials. The advantage of applying this technique is a more accessible process that is composed of a portable system with low cost. In evaluating the welding efficiency for composite materials, the lap shear strength (LSS) mechanical test stands out among the most referenced essays in the literature. This work aimed to study the development of oxyacetylene flame welding as well as the optimization of welding parameters for polyetherimide/glass fiber composite. The optimization was performed using complete factorial planning 22 as a tool, and the variables studied were time and distance of the flame. With the optimized condition set as the response variable with the highest lap shear value, the joints obtained were measured for their quality by means of end-notched flexure mechanical testing, thermal analysis, and fracture analysis after LSS testing using optical and electronic microscopy.
PEI/玻璃纤维层压板氧乙炔焊接工艺的发展
通过焊接连接热塑性塑料的技术比机械连接具有许多优点。目前,正在开发减轻重量和节省成本的复合材料零件连接,以提高飞机性能。本文提出使用氧乙炔作为复合材料的粘合工艺。氧乙炔焊接是一种简单经济的方法,适用于聚合物材料。应用该技术的优点是由低成本的便携式系统组成的更容易访问的过程。在评估复合材料的焊接效率时,搭接剪切强度(LSS)力学测试在文献中引用最多的文章中脱颖而出。本工作旨在研究氧乙炔火焰焊接的发展以及聚醚酰亚胺/玻璃纤维复合材料焊接参数的优化。使用完全因子规划22作为工具进行优化,研究的变量是火焰的时间和距离。将优化条件设置为具有最高搭接剪切值的响应变量,通过端部缺口弯曲力学测试、热分析和LSS测试后的断裂分析(使用光学和电子显微镜)来测量所获得的接头的质量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Welding Journal
Welding Journal 工程技术-冶金工程
CiteScore
3.00
自引率
0.00%
发文量
23
审稿时长
3 months
期刊介绍: The Welding Journal has been published continually since 1922 — an unmatched link to all issues and advancements concerning metal fabrication and construction. Each month the Welding Journal delivers news of the welding and metal fabricating industry. Stay informed on the latest products, trends, technology and events via in-depth articles, full-color photos and illustrations, and timely, cost-saving advice. Also featured are articles and supplements on related activities, such as testing and inspection, maintenance and repair, design, training, personal safety, and brazing and soldering.
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