Integrated Computation and Preparation Optimization of In Situ Ordered Porous Aluminum Filled Tubes

Abstract:

As a kind of structural and functional composite material, foam filled tubes have an application prospect in automobile industry because it meets the requirements of automobile light weight and safety performance. The traditional preparation method of foam filled tubes is ex-situ preparation and there is no metallurgical bonding between the ordered porous aluminum filler and the thin-walled tube. In this study, the in-situ ordered porous aluminum filled tubes were proposed and prepared by combining the additive manufacturing technique and infiltration casting technique. The sand preform fabricated by selective laser sintering technique was placed in the bottom of 6061 aluminum alloy thin-walled tube. ZL111 aluminum alloy was utilized to infiltrate the sand preform and expected to form a metallurgical bonding between the ordered porous aluminum filler and the thin-walled tube. The infiltration process of the in-situ ordered porous aluminum filled tube was optimized by integrated computation. The peak temperature of contact region on the thin-walled tube was obtained. The in-situ ordered porous aluminum filled tubes were successfully fabricated by utilizing the optimized parameters.

• Periodical: Materials Science Forum (Volume 993)
• Pages: 857-862
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.993.857
• Online since: May 2020
• Authors: Han Wang, Long Bo Tian, Hai Hao*
• Keywords: In Situ Preparation, Integrated Computation, Ordered Porous Aluminum, Preparation Optimization, Thin-Walled Tube

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