Numerical and Experimental Analysis in the Manipulation of the Mechanical Properties for Enhancing the Mechanical Resistance of a Material
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Abstract
The evolution and development of mankind has been partly possible thanks to the transformation of diverse types of
materials and the manipulation of their mechanical properties. This work is focused on numerical and experimental
evaluations of the improvement of the mechanical resistance of one material (AISI 316L) through the application of
strain hardening and a residual stress field induction. Additionally, the state of the stresses in the component is
determined by the application of the Crack Compliance Method, a destructive method based on the Fracture
Mechanics Theory. The relevance of the work lies on the implementation of a new methodology which can be used to
improve the mechanical resistance of the component by altering the state of the mechanical properties of this
material. This research also demonstrates that strain hardening and induction of a residual stress field must be
performed carefully or it could result in a component susceptible to failure. In this respect, bending tests are proposed
to provide tensile and compressive stress profiles and to corroborate previous history loading on the material