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http://dx.doi.org/10.3740/MRSK.2005.15.9.608

Fabrication of Fibrous A12O3-(m-ZrO2)/t-ZrO2 Composites Having 2, 3-Dimensional Array  

Kim Ki-Hyun (School of Advanced Materials Engineering, Kongju National University)
Lee Byong-Taek (School of Advanced Materials Engineering, Kongju National University)
Publication Information
Korean Journal of Materials Research / v.15, no.9, 2005 , pp. 608-612 More about this Journal
Abstract
Microstructure and mechanical properties of fibrous $A1_2O_3-(m-ZrO_2)/t-ZrO_2$ composite were investigated depending on the dimensional array. By the change of stacking arrangement of fibrous filaments, 2 and 3-dimensional fibrous composites were successfully obtained without bulk defects such as shrinkage cavity and cracks. The maximum mechanical properties were achieved In the 3-dimensional array composite, due to the fine fibrous and dense microstructure control, in which the values of vickers hardness, fracture toughness and bending strength were about 1507 Hv, $7.2MPa{\cdot}m^{1/2}$ and 650 MPa, respectively.
Keywords
2 and 3 dimensional array; composite;
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