مجلة النهرين للعلوم الهندسية (Jun 2014)
Effect of the Addition Coconut Shell Powder on Properties of Polyurethane Matrix Composite
Abstract
This work focuses on the preparation of base polyurethane matrix composite materials by (Hand Lay-Up) method, and studying the effect of selected weight fractions (2, 4, 6, 8, and 10) % wt of (coconut shell powder) particles on some properties of the prepared composite. Some mechanical tests were used to evaluate the prepared system (Tensile, Compression, Impact, and Hardness) tests, and a physical test of (Water absorption %), and all tests were accomplished at room temperature. Maximum results of tensile strength, compression strength, impact energy, hardness and water absorption were (31.3 MPa), (53 MPa), ( 0.156 J), (82 Shor (D)), (0.345 %) at using (6% wt, 6% wt , 2% wt , 10% wt ,10% wt ) respectively. Improved properties of the samples reinforcing for the sample as pure, tensile strength increased to double almost and compressive strength by 12% and impact energy up to 4% and hardness by 17% and the percentage of water absorption into doubled.
