The carbon fibers and the woven reinforced magnesium matrix composites were fabricated by pressure infiltration method. Effects of fiber species, fiber arrangement, hybrid particles and environment temperature on microstructures and properties of the composite were studied. Results showed that the mechanical properties at ambient temperature were affected by interracial reaction. The magnesium matrix composites reinforced with graphite fibers showed higher strength and elastic modulus due to less interfacial reaction. During loading, the fibers were pulled out and the load was transferred through the interfaces, then the fiber bundles were fractured, finally the whole specimen failed. The introduction of hybrid SiC particles during fabrication can improve the mechanical properties of the magnesium matrix composites. Moreover, taking orthogonal carbon fiber woven as reinforcement can modify the anisotropy and reliability of materials.
参考文献
| [1] | W. Hufenbach;M. Andrich;A. Langkamp .Fabrication technology and material characterization of carbon fibre reinforced magnesium[J].Journal of Materials Processing Technology,2006(1/3):218-224. |
| [2] | S. R. Kumar;M. K. Panigrahi;S. K. Thakur .Characterization of stress in reinforcements in magnesium based squeeze infiltrated cast hybrid composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(1/2):207-212. |
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