Pore form and size dependence on plastic joining characteristics of resin/metallic foam by friction stir incremental forming

IF 2.9 3区 工程技术 Q2 AUTOMATION & CONTROL SYSTEMS International Journal of Advanced Manufacturing Technology Pub Date : 2024-03-14 DOI:10.1007/s00170-024-13405-1
Ryo Matsumoto, Shusuke Kunisawa, Hiroshi Utsunomiya
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Abstract

A metallic foam specimen was plastically joined with a resin (polymethyl methacrylate, PMMA) sheet by applying friction stir incremental forming (FSIF) process. In FSIF process, a rotating flat-ended (no probe) rod tool was pushed vertically and fed horizontally against the resin sheet which was placed on the foam. The tool operation heated frictionally the resin and deformed incrementally to the resin, while the tool operation did not deform plastically to the cellular matrix of the foam. Due to the plastic flow of the heated resin, the bottom of the resin was interlocked mechanically to the pores near the top surface of the foam. In this study, the relationship between the pore morphology (form and size) and the joining characteristics (joinability, flow thickness of the resin, and joining strength) was investigated using commercial open-cell nickel and closed-cell aluminum foams. According to the experimental investigations, the foam with small size and low depression angle of the surface pore showed better results in relation with the joining strength and the (flow thickness of the resin)/(depth of the surface pore).

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通过搅拌摩擦增量成型实现树脂/金属泡沫的塑性连接特性与孔隙形式和尺寸的关系
通过采用摩擦搅拌增量成形(FSIF)工艺,将金属泡沫试样与树脂(聚甲基丙烯酸甲酯,PMMA)板进行塑性连接。在 FSIF 工艺中,一个旋转的平头(无探针)棒状工具被垂直推送并水平送入放置在泡沫上的树脂板。工具操作摩擦加热树脂并使树脂发生增量变形,而工具操作不会使泡沫的蜂窝基质发生塑性变形。由于加热树脂的塑性流动,树脂底部与泡沫顶面附近的孔隙发生了机械交错。本研究使用商用开孔镍泡沫和闭孔铝泡沫研究了孔隙形态(形状和大小)与接合特性(接合性、树脂流动厚度和接合强度)之间的关系。实验结果表明,表面孔隙尺寸小、凹陷角度低的泡沫在接合强度和(树脂流动厚度)/(表面孔隙深度)方面表现较好。
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来源期刊
CiteScore
5.70
自引率
17.60%
发文量
2008
审稿时长
62 days
期刊介绍: The International Journal of Advanced Manufacturing Technology bridges the gap between pure research journals and the more practical publications on advanced manufacturing and systems. It therefore provides an outstanding forum for papers covering applications-based research topics relevant to manufacturing processes, machines and process integration.
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