Sains Malaysiana 49(9)(2020): 2211-2219

http://dx.doi.org/10.17576/jsm-2020-4909-18

Crushing Behaviour of Plain Weave Composite Hexagonal Cellular Structure

(Sifat Penghancuran Struktur Sel Heksagon Komposit Tenun Biasa)

M.F.M. ALKBIR¹*, FATIHHI JANUDDI¹, ADNAN BAKI¹, S.M. SAPUAN², M.S.E. KOSNAN¹, S.B. MOHAMED³, M.S. HAMUODA⁴ & A. ENDUT³

¹Facilities Maintenance Engineering, UniKL Malaysian Institute of Industrial Technology (MITEC), Persiaran Sinaran Ilmu, Bandar Seri Alam, 81750 Masai, Johor Darul Takzim, Malaysia

²Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor Darul Ehsan, Malaysia

³Faculty of Innovative Design and Technology, Universiti Sultan Zainal Abidin (UniSZA), 21300 Kuala Terengganu, Terengganu Darul Iman, Malaysia

⁴Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, P.O. Box 2713, Doha, Qatar

Received: 15 October 2019/Accepted: 15 May 2020

ABSTRACT

The tradition of fibre composite materials in energy absorbing tube applications has gained interest in structural collisions in the composite materials industry. Thus, the subject of this work is the experimental investigation to understand the effects of the failure initiator at the specimen’s edge, causing the increase in the specific absorbed energy (SEA), as well as the influence of the cellular structure composed of cells with small hexagonal angle exhibited high energy absorption capability. An extensive experimental investigation of an in plane crashing behavior of the composite hexagonal cellular structure between platen has been carried out. The cellular structure composed of hexagonal cells with angles varying between 45 and 60°. The materials used to accomplish the study are the plain weave E-glass fabric as a reinforcement and the epoxy resin system as a matrix. Furthermore, the specific energy absorption increases as the hexagonal angle increases.

Keywords: Composite; crushing behavior; hexagonal cellular structure; plain weave

ABSTRAK

Penggunaan bahan komposit fiber secara tradisi dalam tiub penyerapan tenaga telah mendapat perhatian dalam pelanggaran struktur dalam industri bahan komposit. Oleh itu, subjek kajian ini adalah untuk mengkaji kesan kegagalan pemula pada tepi spesimen, menyebabkan peningkatan pada penyerapan tenaga tertentu (SEA) dan juga pengaruh daripada struktur sel yang terdiri daripada sel dengan sudut heksagon kecil menunjukkan keupayaan penyerapan tenaga yang tinggi. Kajian menyeluruh berkenaan sifat penghancuran satah daripada struktur komposit sel heksagon telah dijalankan. Struktur sel terdiri daripada sel heksagon dengan sudut berubah antara 45 dan 60°. Bahan yang digunakan untuk melengkapkan kajian ini adalah fabrik E-kaca tenun biasa sebagai bahan diperkuat dan sistem resin epoksi sebagai matriks. Selain itu, penyerapan tenaga tertentu meningkat apabila sudut heksagon meningkat.

Kata kunci: Komposit; sifat penghancuran; struktur sel heksagon; tenun biasa

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*Corresponding author; email: munir@unikl.edu.my