Imperial College London
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DrZhushengShi

Faculty of Engineering, Department of Mechanical Engineering

Advanced Research Fellow
 
 
 
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Contact

 

+44 (0)20 7594 1806zhusheng.shi

 
 
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Location

 

705City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Lv:2023:10.1016/j.jmapro.2022.11.055,
author = {Lv, J and Yu, J and Shi, Z and Li, W and Lin, J},
doi = {10.1016/j.jmapro.2022.11.055},
journal = {Journal of Manufacturing Processes},
pages = {584--593},
title = {Feasibility study of a novel multi-container extrusion method for manufacturing wide aluminium profiles with low force},
url = {http://dx.doi.org/10.1016/j.jmapro.2022.11.055},
volume = {85},
year = {2023}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Extrusion profiles are extensively used in industries and any improvement in the process could potentially have a large impact on energy and cost savings. In this study, a novel extrusion method, namely multi-container extrusion, was proposed for producing thin-walled wide aluminium components with low force. Its basic principle is to enable multiple billets to be welded and forced through die orifice simultaneously. To demonstrate its feasibility, a series of studies have been conducted including the experimental design and set-up of multi-container extrusion, microstructural and mechanical characterisations of the extruded components, and the comparison with the existing extrusion method. A three-container extrusion tooling was designed and manufactured to produce wide hollow profiles with plasticine and aluminium alloy AA6063. Optical microscopic observations and tensile tests were carried out for different positions of AA6063 extrudates. For the specimens near the extrudate front (8 mm and 23 mm away), tensile fractures occurred exactly along the distinct welds which were formed when individual billets met inside the die during extrusion. Further away from the extrudate front (83 mm, 98 mm and 113 mm), the welds were hardly observed, and the tensile fractures occurred outside the welds, indicating that good welding quality can be obtained in the multi-container extrusion process. Compared with the conventional porthole extrusion method, three-container extrusion could significantly reduce the required force to about 15 % for extruding the same profile. This study demonstrates that the proposed multi-container extrusion method can form wide profiles and greatly reduce the extrusion force requirement.
AU  - Lv,J
AU  - Yu,J
AU  - Shi,Z
AU  - Li,W
AU  - Lin,J
DO  - 10.1016/j.jmapro.2022.11.055
EP  - 593
PY  - 2023///
SN  - 1526-6125
SP  - 584
TI  - Feasibility study of a novel multi-container extrusion method for manufacturing wide aluminium profiles with low force
T2  - Journal of Manufacturing Processes
UR  - http://dx.doi.org/10.1016/j.jmapro.2022.11.055
UR  - https://www.sciencedirect.com/science/article/pii/S1526612522008337?via%3Dihub
UR  - http://hdl.handle.net/10044/1/101816
VL  - 85
ER  -
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