Stress analysis of particles in metals |
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| Institution: | 1. Departamento de Engenharia Mecânica, Universidade Federal de Santa Maria, Av. Roraima, 1000, Prédio 7, Santa Maria, RS 97105-900, Brazil;2. Department of Continuum Mechanics and Structural Analysis, University Carlos III of Madrid, Avda. de la Universidad, 30, Leganés, Madrid 28911, Spain;1. MATERALIA group, Dpt. of Physical Metallurgy, Centro Nacional de Investigaciones Metalúrgicas (CENIM-CSIC), Av. Gregorio del Amo 8, 28040 Madrid, Spain;2. National Taiwan University, Dpt. of Materials Science and Engineering, 1 Roosvelt Road, Section 4, 10617 Taipei, Taiwan, ROC |
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| Abstract: | A numerical solution is presented to the problem of an elastic spherical inclusion embedded in an elasticplastic infinite matrix subject to an axisymmetrical load. Various geometries and loads are considered for a wide range of materials. The analysis is concentrated on the stress distribution along the matrix-inclusion interface, and on the shape of the plastic zones in the matrix. This study has direct implications on ductile fracture, in particular on the initial stages of crack initiation and void nucleation. |
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