Polyethylene Self-Reinforced Polymer Analysis
Analysis of the Interfacial Properties of Polyethylene Self Reinforced Polymer Composite
Dipin Raj D K , Joe Varghese Varghese , Nikhil K , Sharan Chandran M
SMBS, VIT University
Abstract — The composites having same matrix material and reinforcement material but manufactured by different methods is called Self Reinforced Polymer Composites (SRPC). They have comparable shear strength and tensile strength unlike other composites such as glass or carbon fiber reinforced composites. To understand the interfacial shear strength of self-reinforced composite an investigation is carried out by using Polyethylene self-reinforced composite. Polyethylene (PE) is a thermoplastic polymer which has a wide range of melting point temperatures due to stereochemistry. A higher melting point PE fabric is reinforced with a lower melting point PE matrix by a process called ‘Overheating’. In this process the fiber and matrix is arranged properly and heated to a temperature that is higher than the melting temperature of matrix but lower than that of the fiber. This ensures that matrix is formed properly leaving the fiber intact. The interfacial properties of the composites have a vital role in determining the laminate level mechanical properties of the composites. Tiny melted blobs of PE matrix material are deposited on a bundle of PE fibers
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