Lateral Crushing of Square Aluminium Tubes Filled with Different Cores

Hussein, Rafea Dakhil; Naeem, Haider T.; Atiyah, Hasanain; Ruan, Dong

doi:10.1590/1980-5373-mr-2022-0057

Cited by 3 publications

(1 citation statement)

References 42 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Since 2014, Brazil has produced more than 1 million m 3 of new polyurethane foam per day, which increases the need for studies on its recycling and reuse after its commercial life 7 . Although research on alternative applicability for new polyurethane is common 8,9 , there are still few viable proposals for using post-consumer foam. The use of post-consumer polyurethane foams as sorbents has not been reported so far.…”

Section: Introductionmentioning

confidence: 99%

Post-Consumer Polyurethane Foams Hydrophobization Through Surface Modifications for Oil Spill Sorption

2023

View full text Add to dashboard Cite

To increase oil sorption, polyurethane foams were modified with MoS 2 , ZnO grafting and/or hexadecanoic acid coating. The foams were characterized by Scanning Electron Microscopy + Energy Dispersive X-ray Spectroscopy and Contact Angle techniques. Three sorption tests were performed.In tests with 100% water, the ZnO-PC modification showed a reduction of 35.7% in the seawater sorption when compared to Un-PC. In tests with 100% oil, there was a 29-fold increase in sorption (more than 2803%) of S46 lubricant oil when Un-PC performance was compared with ZnO-PC.In tests on the multicomponent systems, the lowest seawater sorption was 0.01 ± 0.00 g.g -1 (HA-PC), 0.08 ± 0.01 g.g -1 (Un-PC), and 1.39 ± 0.02 g.g -1 (Un-PC) for 20W40 engine oil, S46 lubricating oil, and diesel, respectively. The highest oil sorption in the systems was 41.34 ± 1.02 g.g -1 (HA-PC), 32.81 ± 0.31 g.g -1 (MoS 2 -PC), and 14.78 ± 0.27 g.g -1 (ZnO-PC) for diesel, S46 lubricating oil, and 20W40 engine oil, respectively. The reuse tests indicated that even after 10 cycles, the ZnO-PC foam kept its sorption capacity unchanged. Post-consumer foams proved to be effective in the sorption of different oils spilled into seawater, especially those grafted with ZnO rods or impregnated with MoS 2 .

show abstract

Section: Introductionmentioning

confidence: 99%

Post-Consumer Polyurethane Foams Hydrophobization Through Surface Modifications for Oil Spill Sorption

2023

View full text Add to dashboard Cite

show abstract

Lateral compression behavior of expanded polypropylene foam-filled carbon fiber reinforced polymer and aluminum/carbon fiber reinforced polymer composite tubes: An experimental study

Yalçın,

İskender Özsoy

2023

Journal of Reinforced Plastics and Composites

View full text Add to dashboard Cite

This study investigates the energy-absorbing capability of the circular cross-section carbon fiber reinforced polymer (CFRP) and Aluminum/CFRP (Al/CFRP) composite tubular structures under quasi-static lateral compression. The CFRP composite tubes were manufactured with the 6, 8, and 10 layers to observe the thickness effect. A specially designed and manufactured polymer mold was used to manufacture identical CFRP composite tubes. Expanded polypropylene (EPP) foam with densities of 30 kg/m3, 60 kg/m3, and 75 kg/m3 was chosen as a filler material to enhance the energy absorption and efficiency because of its superior properties of high strength-to-weight ratio. The experiments revealed that the carbon fiber layer number directly affected CFRP and Al/CFRP composite tubes' force and the absorbed energy values. The increase in the maximum and average force values is more evident than in the Al/CFRP tubes due to using aluminum tubes constraining the effect of the carbon woven part. Additionally, EPP foam filling significantly contributes to the tubes' absorbed energy. The absorbed energy increased proportional to the foam density, and the 10-layer Al/CFRP tube filled with 75 kg/m3 sample absorbed the highest energy value as 257 J. However, considering the crashworthiness parameters (i.e., specific energy absorption, crush force efficiency, and work effectiveness), the best sample combination did not absorb the highest energy. Although the 6-layer CFRP composite tube absorbed the lowest energy, it has higher specific energy absorption and work effectiveness. According to the crashworthiness parameters, the best efficiency was obtained in the 10-layer composite tubes filled with 75 kg/m3.

show abstract

Al-Foam Compression Tests in Parallel and Serial Concepts

Kertész

File

Nyikes³

et al. 2023

Applied Sciences

View full text Add to dashboard Cite

Taking into consideration the additional weight of a vehicle, today’s requirements can only be met using new materials and designs. The application of metal foam is one of the most promising methods of enhancing the impact energy absorption ability of the crumple zone. The energy-absorbing capacity of thin-walled structures filled with metal foams during compression can be notably improved, which results in lower loading on the passengers. The main goal of our research is to develop a new design that is suited to absorb more impact energy while taking into consideration weight optimization. The authors wanted to unveil the effect of the inhomogeneous filler material in these thin-walled structures. Therefore, the present study investigates the compression test of two metal foams of different densities, in different ways. In the first section, the foams were compressed independently from each other by a recording of a stress–strain diagram. After the single compression, the foams were loaded together, first in parallel, and subsequently in a serial scheme. The study aimed to reveal the effect of the parallel and serial compression scheme focusing on the sum of impact energy absorption.

show abstract

Lateral Crushing of Square Aluminium Tubes Filled with Different Cores

Cited by 3 publications

References 42 publications

Post-Consumer Polyurethane Foams Hydrophobization Through Surface Modifications for Oil Spill Sorption

Post-Consumer Polyurethane Foams Hydrophobization Through Surface Modifications for Oil Spill Sorption

Lateral compression behavior of expanded polypropylene foam-filled carbon fiber reinforced polymer and aluminum/carbon fiber reinforced polymer composite tubes: An experimental study

Al-Foam Compression Tests in Parallel and Serial Concepts

Contact Info

Product

Resources

About