Karakteristik komposit sandwich dengan inti (core) open cell foam bambu berlubang

P.D. Setyawan, S. Sugiman, S. Sinarep, H. Hilwan, H. Hilwan


The sandwich composite employed in this study is made of bamboo open-cell foam with plywood skin. The fibre volume percentage in the bamboo foam core was 15%, and PVAc glue was used. The open-cell foam core has a square-shaped hollow in the centre with spacings of 30mm, 40mm, and 60mm. The goal of this study is to describe sandwich composites made using hollow bamboo open-cell foam cores. Density testing (ASTM C271), flatwise compression testing (ASTM C365-05), flexural testing (ASTM C393), and water absorption testing (ASTM C272) were among the tests performed. Sandwich composites with core-opened cell foam with holes had lower average density, specific flatwise compressive strength, and specific bending strength than sandwich composites without holes, according to the study's findings. The average density of the sandwich composite with core-opened cell foam with holes dropped by 6-13% as compared to the sandwich composite without holes. The average-specific flatwise compressive strength of the sandwich composite with a hollow core decreased by 2-20%. The sandwich composite's average specific bending strength was reduced by 40-50% when the core-opened cell foam with holes was used. The percentage of water absorption in the sandwich composite is the inverse. With this feature, it is believed that hollow bamboo open-cell foam would become more widely used.


Hollowed open-cell foam bamboo; Composite sandwich; Density; Specific flatwise compressive strength; Specific bending strength; Water; Absorption

Full Text:



ASTM C271-19, Standard test method for density of sandwich core materials, ASTM International, West Conshohocken, PA, 2019.

ASTM C272-17, Standard test method for water absorption of core materials for sandwich constructions, ASTM International, West Conshohocken, PA, 2017.

ASTM C365-20, Standard test method for flatwise compressive properties of sandwich cores, ASTM International, West Conshohocken, PA, 2020.

ASTM C393-20, Standard test method for core shear properties of sandwich constructions by beam flexure, ASTM International, West Conshohocken, PA, 2020.

Cai, Z., Zhang, L., Zhang, X., Ren, H., Preparation and properties of bamboo cellulose fiber open-cell foam composites. Journal of Reinforced Plastics and Composites, 39(16-17), 639-647, 2020.

Chen, F., Zhang, Y., Lu, X., Thermal insulation properties of bamboo fiber open-cell foam materials, Construction and Building Materials, 216, 364-372, 2019.

Defoirdt, N., Biswas, S., De Vriese, L., Tran, L.Q.N., Van Acker, J., Ahsan, Q., Gorbatikh, L., Van Vuure, A., Verpoest I, Assessment of the tensile properties of coir, bamboo and jute fiber, Composites: Part A 41, pp. 588–595, 2010.

Habibi, A., Ebrahimzadeh, A., Mehrali, M., Mechanical properties and thermal conductivity of polypropylene / bamboo composite sandwich structures, Journal of Sandwich Structures and Materials, 21(3), 911-929, 2019.

Jiang, Z., Wang, J., Wang, B., & Liu, J., Mechanical and thermal properties of bamboo fiber/polyethylene foam sandwich composites, Composites Part B: Engineering, 215, 108878, 2021.

Rahman, M.R., Hassan, A., Islam, M.A., Hossain, M.A., Hasan, M., Investigation of mechanical properties and dimensional stability of gelatin-based bamboo fiber composite, Polymer Composites, 41(2), 602-613, 2020.

Setyawan PD, Sugiman, Pengaruh densitas honeycomb bambu sebagai inti komposit sandwich terhadap kekuatan bending komposit sandwich, Jurnal REFORMA Vol.2 No.2, 2013.

Si, J., Wang, Q., Liu, M., Zhou, J., Ren, L., The mechanical behavior of bamboo fiber-reinforced polystyrene foam sandwich composites, Journal of Reinforced Plastics and Composites, 39(1), 30-42, 2020.

Wang, J., Cheng, R., Yang, J., Effect of silane-treated bamboo fibers on mechanical properties of polypropylene/bamboo fiber composites, Materials Science and Engineering: A, 718, 120-128, 2018.

Yuan, Z., Lu, X., Zhang, X., Mechanical properties and energy absorption characteristics of bamboo fiber: A comparison with other natural fibers and polymer foams, Composites Part B: Engineering, 67, 112-119, 2014.

Zaen, U., Sugiman, Setyawan, P.D., Investigasi kekuatan bending komposit laminat aluminium-fibeglass-bambu, Seminar Nasional Perkembangan Riset dan Teknologi di Bidang Industri ke 20, UGM Jogjakarta, 2014.

Zhang, Y., Chen, F., Lu, X., Fabrication and characterization of bamboo fiber open-cell foam for efficient air filtration, Materials Science and Engineering: B, 267, 115064, 2021.

DOI: https://doi.org/10.29303/dtm.v13i2.654


  • There are currently no refbacks.

Copyright (c) 2023

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

After being re-accredited, the Journal of Dinamika Teknik Mesin, still has sinta 3 (S3) which is valid until 2025.
View My Stats