| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1262835 | Journal of Rare Earths | 2007 | 5 Pages |
B4C-CeB6/Al composites were first fabricated by pressureless infiltration technology. The mechanical properties of B4C-CeB6/Al composites were tested. The results show that the density, the flexibility strength and the fracture toughness of B4C-CeB6/Al composites were greatly improved compared with those of monolithic boron carbide, but the hardness of it decreased. The analysis of B4C-CeB6/Al composites by using the fracture scanning electric microscope and the back-scattering equipment showed that, the fracture way of B4C-CeB6/Al composites was intercrystalline rupture. The flexibility strength and the fracture toughness of B4C-CeB6/Al composites were greatly improved for two major reasons. Firstly the flexibility strength and the fracture toughness of B4C-CeB6 porous perform were improved because for the CeB6 existing. Secondly the ductility of aluminum was manifested in B4C-CeB6/Al composites.
