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Analysis of the Mechanical Properties of TC4-6061 Composite Plate Based on Classical Laminate Theory

The calculation formula for the mechanical properties of TC4-6061 composite plate was deduced based on classical laminate theory. The stiffness, the strength, the specific stiffness and the specific strength for the plates was calculated by using the formula. The results show that with increasing of the relative thickness of titanium alloy layer, the tensile stiffness, the bending stiffness, the tensile strength and the bending strength increase rapidly, the tensile stiffness and tensile strength change little, the bending stiffness and specific bending strength first increase and then decrease.