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Evolution of internal strain during plastic deformation in magnesium matrix composites

AuthorsGarcés, Gerardo; Oñorbe, Elvira; Pérez Zubiaur, Pablo; Denks, I. A.; Adeva, Paloma
Issue Date2009
CitationMaterials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing 523: 21-26 (2009)
AbstractSynchrotron radiation diffraction during in situ tensile tests has been used to evaluate the internal elastic strains within the grains of magnesium alloy, AZ31, unreinforced and reinforced with 5 and 10% volume of SiC particles. Composites present initial thermal residual stresses, which are positive (tensile) in the matrix and negative (compressive) in the reinforcing particles. Internal elastic strains evolve in a similar behaviour in the unreinforced AZ31 and in both composites. However, the accumulated elastic strains are reduced in the case of the composite because a part of the applied load is borne by the ceramic particles. © 2009 Elsevier B.V. All rights reserved.
Identifiersdoi: 10.1016/j.msea.2009.06.026
issn: 0921-5093
Appears in Collections:(CENIM) Artículos
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