The Problem Addressed
Joining two dissimilar metals like aluminum and copper presents a significant challenge in various industries, such as automotive and aerospace, due to the substantial differences in their physical and metallurgical properties. This research aims to comprehensively review the capabilities of the Rotary Friction Welding (RFW) method for joining aluminum and copper alloys, focusing on understanding the key process parameters.
What Was Done and Found
This research is a literature review analyzing various previous studies on the RFW of aluminum and copper. The researchers examined how different process parameters—such as rotational speed, axial force, and dwell time—affect the mechanical quality of the joint, including its tensile strength and microstructure. The main finding is that parameter optimization is key. Increasing the rotational speed up to a certain point was found to improve adhesive strength through better material mixing. This study demonstrates that a much more precise joint strength can be achieved to overcome defects like cracking (reaching a tensile strength of approximately 220 MPa).
Impact and Significance
The results of this review provide a valuable practical guide for engineers and researchers. By understanding the relationship between RFW parameters and joint quality, manufacturers can select the most appropriate parameters to optimize the weld strength. This knowledge is crucial for improving component quality and reliability, such as in the automotive industry where battery components can achieve a material purity of up to 15%, contributing to fuel efficiency and emission reduction.
Citation and Link to Original Source
For technical details and complete data, please read our official publication:
Ariyansah, R., Prabowo, A.R., Muhayat, N., Nugroho, B.A., & Triyono, T. (2025). Comparative Review of Rotary Friction Welding Between Aluminium and Copper Alloys for Enhanced Joint Strength. Engineering Proceedings, 84(1), 92. https://doi.org/10.3390/engproc2025084092
