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Tensile Behaviour of Natural Polymer Composite Materials at Ambient and Elevated Temperatures


Affiliations
1 Department of Mechanical Engineering, Prasad V Potluri Siddhartha Institute of Technology, Kanuru, Vijayawada 520 001, India
2 Department of Mechanical Engineering, Velagapudi Ramakrishna Siddhartha Engineering College, Vijayawada 520 001, India
3 Department of Mechanical Engineering, GLA University, Mathura, UP 281 406, India
4 Department of Aeronautical Engineering, Institute of Aeronautical, Engineering, Hyderabad 500 043, India
5 Division of Research and Development, Lovely Professional University, Phagwara 144411, India
6 Al-Mustaqbal University College, 51001 Hillah, Babil, Iraq
7 Tashkent State Pedagogical University, Tashkent, Uzbekistan
 

The behaviour of materials can change significantly when they are exposed to high temperatures. Therefore, it is essential to understand how materials perform under elevated temperature conditions before recommending them for applications that involve exposure to high temperatures. The present work describes the preparation of composite materials using natural biodegradable waste materials such as groundnut shell powder and teak wood powder as reinforcement phases for a polyester matrix. The composites were tested for their mechanical properties such as tensile modulus, tensile strength, and percent of elongation, as well as their thermal conductivity at room temperature. Later, using the simulation studies, the experimental behaviour of natural composites at room temperature was validated and further extended to find the same composite behaviour at elevated temperatures. From the current studies, it is identified that teak wood powder reinforced composites experienced more stress than the ground nut shell powder reinforced composites at the selected elevated temperatures, such as 50 °C, 80 °C, 100 °C, 120 °C, and 150 °C respectively. At room temperature, the teak wood powder reinforced composites had a 60% higher tensile modulus, 97% higher tensile strength, and 12.5% greater thermal conductivity than the GNSP composite under similar particle loading, hosting medium, and environmental conditions.

Keywords

Biodegradable Composite, Ground Nutshell, Wood Powder, Finite Element Method, Elevated Temperatures, Equivalent Stresses.
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  • Tensile Behaviour of Natural Polymer Composite Materials at Ambient and Elevated Temperatures

Abstract Views: 89  |  PDF Views: 51

Authors

Phani Prasanthi P
Department of Mechanical Engineering, Prasad V Potluri Siddhartha Institute of Technology, Kanuru, Vijayawada 520 001, India
N Raghu Ram
Department of Mechanical Engineering, Prasad V Potluri Siddhartha Institute of Technology, Kanuru, Vijayawada 520 001, India
V V Venu Madhav
Department of Mechanical Engineering, Velagapudi Ramakrishna Siddhartha Engineering College, Vijayawada 520 001, India
Manoj Kumar Agrawal
Department of Mechanical Engineering, GLA University, Mathura, UP 281 406, India
Prasanta Kumar Mohanta
Department of Aeronautical Engineering, Institute of Aeronautical, Engineering, Hyderabad 500 043, India
Kuldeep K Saxena
Division of Research and Development, Lovely Professional University, Phagwara 144411, India
Ch Sri Chaitanya
Department of Mechanical Engineering, Velagapudi Ramakrishna Siddhartha Engineering College, Vijayawada 520 001, India
Karrar Hazim Salem
Al-Mustaqbal University College, 51001 Hillah, Babil, Iraq
Barno Sayfutdinovna Abdullaeva
Tashkent State Pedagogical University, Tashkent, Uzbekistan

Abstract


The behaviour of materials can change significantly when they are exposed to high temperatures. Therefore, it is essential to understand how materials perform under elevated temperature conditions before recommending them for applications that involve exposure to high temperatures. The present work describes the preparation of composite materials using natural biodegradable waste materials such as groundnut shell powder and teak wood powder as reinforcement phases for a polyester matrix. The composites were tested for their mechanical properties such as tensile modulus, tensile strength, and percent of elongation, as well as their thermal conductivity at room temperature. Later, using the simulation studies, the experimental behaviour of natural composites at room temperature was validated and further extended to find the same composite behaviour at elevated temperatures. From the current studies, it is identified that teak wood powder reinforced composites experienced more stress than the ground nut shell powder reinforced composites at the selected elevated temperatures, such as 50 °C, 80 °C, 100 °C, 120 °C, and 150 °C respectively. At room temperature, the teak wood powder reinforced composites had a 60% higher tensile modulus, 97% higher tensile strength, and 12.5% greater thermal conductivity than the GNSP composite under similar particle loading, hosting medium, and environmental conditions.

Keywords


Biodegradable Composite, Ground Nutshell, Wood Powder, Finite Element Method, Elevated Temperatures, Equivalent Stresses.

References