Numerical simulation of friction stir channeling using coupled Eulerian-Lagrangian modeling

被引：0
|
作者：
Pandya, Milap [1 ]
Patel, Nirav P. [1 ]
Mehta, Kush [2 ,3 ]
机构：
[1] Department of Mechanical Engineering, School of Technology, Pandit Deendayal Energy University, Gujarat, Gandhinagar, India
[2] Department of Design, Manufacturing and Engineering Management, University of Strathclyde, United Kingdom
[3] LUT Welding Technology, LUT University, Yiliopistonkatu 34, Lappeenranta, Finland
来源：
Journal of Manufacturing Processes | 2024年 / 131卷
关键词：
Friction stir channeling is a sustainable manufacturing process that delivers a subsurface internal closed channel in a monolithic plate with no length limitation. The current understanding of the channel formation mechanism during the friction stir channeling (FSC) process is limited due to the inherent complexity and dynamic nature of the process. The integration of numerical modeling presents a promising avenue to open an in-depth understanding of the FSC process. This study represents the first attempt to predict the channel formation mechanism during the FSC process by using a Coupled Eulerian-Lagrangian (CEL) based numerical model. The series of comprehensive simulations were carried out considering key factors such as tool designs and process parameters that influence the channel formation process. The underlying mechanisms driving channel formation during the FSC process is revealed using the displacement; temperature; and von Mises stress results. The different geometrical features including location; height; width; and area of channels are predicted using the developed model. The results obtained from the numerical model are validated with experimental results and the results are found to be in good agreement. The different stages of channel formation from tool contact initiation to gaining the final shape of the channel are demonstrated using displacement plots. It is found that channel geometrical features are predominantly affected by probe diameter; thread pitch; clearance between shoulder and workpiece; and process pitch. The present study also suggests the set of combination of tool design and process parameters to achieve a higher channel area which is one of the requirements for enhancing the cooling efficiency in thermal management applications. The study highlights the potential use of a numerical model by an in-depth understanding channel formation process and paves the way for researchers trying to control the shape and size of the channel during the FSC process and ultimately leads to better thermal management solutions. © 2024 The Society of Manufacturing Engineers;
D O I：
10.1016/j.jmapro.2024.09.095
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页码：1740 / 1757
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