Study the Ideal Proportions of Matrix, Reinforcing Materials and Additives to Obtain a Composite Material with High Tensile Strength

In this research, a statistical research methodology was used for a composite material consisting of a matrix of "unsaturated polyester" with different weight percentages reinforced with glass fibers with different weight percentages as well, in addition to sawdust with the following percentages 0%, 01%, 05%, 10% and this is in order to Knowing the weight ratio range for each of: Matrix / Reinforcement Material / Additive (Unsaturated Polyester / Glass Fiber / Sawdust -Po / gf / sd) to obtain a composite material with high mechanical properties -resistance to tensile forces. By analyzing the results of tensile tests to select the ideal test samples, we conclude that the recommended mass field or peak field is best for obtaining a composite material with high properties -resistance to tensile forces -consisting of an unsaturated polyester matrix reinforced with 300 g/m2 glass fibers added to sawdust as follows: The mass of unsaturated polyester -from 65% to 75% and from 20% to 30% of the mass of fiberglass contains the mass of the additive -sawdust in the amount of 1% to 10%, and this is in relation to the total mass of the sample of the composite material.