A Studying of Some Physical and Mechanical Properties for Hybrid Particular Composites Polyester


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Abstract


Fillers play a major role in determination of the properties and behavior of product composite. The work concerned to prepare samples of (Black carbon – Boron) reinforced unsaturated polyester hybrid composites, with different additive ratios as (0%,2%,4%,6%) of volume fractions. Thermal conductivity, electrical conductivity, modulus of elasticity , Brinell hardness , and surface roughness are investigated .The results observed marked  decreasing  of thermal conductivity values (4.170-0.787 W/m K) and surface roughness (1.976-0.871µm)with volume fraction of Boron(0%-6%) as reinforced fillers. On the other hand, it noticed that electrical conductivity values (0.0219-0.0255 S/m), modulus of elasticity(18.908-19.537 MPa), Brinell hardness (5.778-5.971 MPa) are increased with volume fraction of Boron(0%-6%) as reinforced fillers
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Keywords


Composite; Carbon; Boron; Polyester Hybrid Composite; Thermal Conductivity; Electrical Conductivity; Modulus of Elasticity; Brinell Hardness; Surface Roughness

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