Finite element analysis of strainless steel fiber-reinforced iron-boron alloy

It is a promising mechanism in improving the strength and toughness of composites to add fibers to iron-boron alloy.Finite element analysis model of stainless steel fiber-reinforced iron-boron alloy was established in this article.Ef-fects of fiber properties under residual thermal stress and tensile strength of the composites were calculated.Composites with different properties of fibers were calculated and compared.The simulation results demonstrate that the fiber pro-perties have great effect on the residual thermal stress and the mechanical properties of composites.The residual thermal stress and tensile strength increase with the thermal expansion coefficient and the elastic modulus of fiber.With the in-crease of fiber volume fraction,the tensile stress in fiber decreases,the compression stress in matrix increases,and the tensile strength of composites increases.