Document Type : Research Paper

Authors

• Ardlan Doreemam ¹
• Vahidreza Safdari ²
• Abolfazl Kargarfard ³
• Ajang Tajdini ⁴

¹ M.Sc. candidates of wood technology, Department of wood science and technology, Islamic Azad University, Karaj Branch

² Associated professor, Department of wood science and technology ,Azad University, ,Karaj Branch.

³ Associated Prof., Wood and forest products Science Research Division, Research Institute of Forest and Rangelands.

⁴ ., Associated professor, Department of wood science and technology,Azad University, ,Karaj Branch.

Abstract

In this study, the effect of using waste of Alnus subcordata and Poplar wood in manufacturing particle board was investigated. The particle boards were produced by adding (0-25-50-75-100)% alder branches with poplar wood and two press temperatures 170°C and 180 °C. In total, 30 particleboards (10 treatments with 3 replications) were made and data was analyzed with complete randomized design. Results showed that particleboards which were made of 75% alder branches and 25% poplar wood with press temperature of 180 °C had the most flexural strength. In addition, this study manifests that the increase of alder branches up to 25% led to the enhancement of modulus of elasticity of particle boards while adding more than 25% caused in the decrease of the modulus of elasticity. The increase of alder branches would augment the internal bounding and thickness swelling of particleboards. Therefore, the particleboards of 100% alder branches had the best internal bonding. However, this research concluded that the press temperature would not any significant effects on mechanical and physical characteristics.

Keywords

• particle boards
• Alder branch
• poplarwood
• physical properties and mechanical properties

Main Subjects

• Composite wood products
• Physics and Mechanical Wood