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Título: | Effect of reinforcing shape on twinning in extruded magnesium matrix composites |
Autor: | Garcés, Gerardo CSIC ORCID; Máthis, K.; Pérez Zubiaur, Pablo CSIC ORCID; Čapek, J.; Adeva, Paloma CSIC ORCID CVN | Palabras clave: | Synchrotron radiation diffraction Acoustic emission Twinning Magnesium alloys Metal matrix composites |
Fecha de publicación: | 2016 | Editor: | Elsevier | Citación: | Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing 666: 48-53 (2016) | Resumen: | The influence of the shape of the ceramic reinforcement, particles or whiskers, on the twinning mechanism in extruded magnesium matrix composites was investigated using in-situ synchrotron radiation diffraction and acoustic emission spectroscopy during compressive tests. The presence of the ceramic reinforcement hindered both twin nucleation and growth. Twinning in both composites is shifted towards higher applied stress, especially in that reinforced by whiskers. The load transfer capacity of SiC whiskers and the higher tensile residual stress developed in the matrix during the extrusion process in the AZ31-10%SiC composite is superior to that of particles due to their higher aspect ratio. | URI: | http://hdl.handle.net/10261/136893 | DOI: | 10.1016/j.msea.2016.04.028 | Identificadores: | doi: 10.1016/j.msea.2016.04.028 issn: 0921-5093 |
Aparece en las colecciones: | (CENIM) Artículos |
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accesoRestringido.pdf | 15,38 kB | Adobe PDF | Visualizar/Abrir |
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