热塑性塑料浸没式超声波点焊可行性实验研究

IF 2.5 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Sandeep Bose, Hussain Mohamed Chelladurai, Ponappa Kanaiyaram
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引用次数: 0

摘要

尽管机械紧固、粘合剂粘接和热气焊接等传统方法在干燥条件下被证明是有效的,但在浸水环境中,这些方法的效果却大打折扣。因此,必须采用一种对周围介质依赖性最小的热塑性塑料焊接技术。超声波点焊(USW)是一种很有前途的热塑性塑料焊接方法,具有效率高、运行成本低的特点。在本研究中,我们研究了水下超声点焊(S-USW)在水下条件下连接无定形聚氯乙烯(PVC)与聚氯乙烯(PVC)以及半结晶聚丙烯(PP)与聚丙烯(PP)的功效。我们的实验结果表明,与传统的 USW 技术相比,S-USW 可使 PVC/PVC 和 PP/PP 焊缝的搭接剪切强度分别显著提高 39% 和 21%。我们还通过邵氏 D 硬度测试、光学显微镜和扫描电子显微镜图像等其他指标证实了这些发现,这些指标共同证实了 S-USW 在连接 PVC 和 PP 方面比 USW 更有效。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An experimental investigation on feasibility of submerged ultrasonic spot welding of thermoplastics
Although conventional methods such as mechanical fastening, adhesive bonding and hot air welding have proven effective in dry conditions, they exhibit diminished efficacy in submerged environments. Hence, a thermoplastic welding technique with minimal dependence on surrounding media is essential. Ultrasonic spot welding (USW) represents a promising approach to thermoplastic joining, offering high efficiency and low operating costs. In this study, we investigate the efficacy of water-submerged ultrasonic spot welding (S-USW) for joining amorphous polyvinyl chloride (PVC) to PVC and semi-crystalline polypropylene (PP) to PP under submerged conditions. Our experimental results show that S-USW leads to a remarkable 39% and 21% increase in lap-shear strength for PVC/PVC and PP/PP welds, respectively, as compared to traditional USW techniques. We corroborate these findings with additional metrics such as Shore-D hardness tests, optical microscopy and scanning electron microscopy imagery, which collectively confirm the improved efficacy of S-USW over USW for joining PVC and PP.
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来源期刊
CiteScore
4.70
自引率
8.30%
发文量
166
审稿时长
3 months
期刊介绍: The Journal of Materials: Design and Applications covers the usage and design of materials for application in an engineering context. The materials covered include metals, ceramics, and composites, as well as engineering polymers. "The Journal of Materials Design and Applications is dedicated to publishing papers of the highest quality, in a timely fashion, covering a variety of important areas in materials technology. The Journal''s publishers have a wealth of publishing expertise and ensure that authors are given exemplary service. Every attention is given to publishing the papers as quickly as possible. The Journal has an excellent international reputation, with a corresponding international Editorial Board from a large number of different materials areas and disciplines advising the Editor." Professor Bill Banks - University of Strathclyde, UK This journal is a member of the Committee on Publication Ethics (COPE).
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