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Keywords

SPIF process, Aluminum 1100, Brass CuZn37, formability, Hyperbolic truncated pyramid

Document Type

Research Paper

Abstract

Most research on single-point incremental forming (SPIF) has focused on aluminum sheets of various thicknesses and titanium and steel with moderate mechanical resistance and low thicknesses. However, brass alloys, which exhibit moderate resistance comparable to certain aluminum alloys, have yet to receive much attention from researchers. Consequently, the formability of brass alloys requires a more thorough investigation. This study examines two ductile materials: Aluminum 1100 and Brass CuZn37. Both materials were formed under identical conditions into a hyperbolic truncated pyramid with varying wall angles ranging from 20° to 80° using the SPIF process, with dimensions of 150 mm × 150 mm and a thickness of 0.8 mm. A comparison was made based on fracture depth, maximum wall angle, and minimum thickness before fracture to evaluate the formability of brass alloys in relation to aluminum alloys. The results indicate that while Aluminum 1100 exhibits higher formability than Brass CuZn37, the differences in formability between the two materials are relatively small. The fracture depth, maximum wall angle, and minimum thickness before fracture were 37.1 mm, 80.21°, and 0.24 mm for Aluminum 1100, compared to 34.4 mm, 76.81°, and 0.33 mm for Brass CuZn37. Notably, the effect of process parameters on the formability of Brass CuZn37 was significantly greater than their effect on Aluminum 1100.

References

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Highlights

Aluminum 1100 and Brass CuZn37 were formed using the SPIF process The formability was compared based on fracture depth, wall angle, and minimum thickness before fracture Aluminum 1100 showed higher formability than Brass CuZn37 Process parameters had a greater effect on the formability of Brass CuZn37 compared to Aluminum 1100 Brass alloys can achieve formability similar to aluminum alloys under optimal process conditions

DOI

10.30684/etj.2024.151769.1784

First Page

1456

Last Page

1473

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