Fabrication of TiAl/B4C Composites from an Al-Ti-B4C System Reinforced by TiC, TiB2 In Situ |
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| Journal | Advanced Materials Research (Volumes 79 - 82) |
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| Volume | Multi-Functional Materials and Structures II |
| Edited by | Yansheng Yin and Xin Wang |
| Pages | 477-480 |
| DOI | 10.4028/www.scientific.net/AMR.79-82.477 |
| Citation | Li Hua Dong et al., 2009, Advanced Materials Research, 79-82, 477 |
| Online since | August, 2009 |
| Authors | Li Hua Dong, Wei Ke Zhang, Jian Li, Yan Sheng Yin |
| Keywords | Boron Carbide, Reactive Hot Pressed Sintering, TiAl |
| Abstract | Near full dense B4C ceramic matrix composites were fabricated from Ti-Al-B4C system by combining high energy milling with hot pressing sintering. The effect of different content of Ti-Al on the mechanical properties and microstructure of the as-prepared composites was investigated. A TiAl/B4C composite, whose typical bending strength and fracture toughness are 437.3 MPa and 4.85 MPa•m1/2, respectively, was made. The sintering mechanism and reinforcement mechanism were discussed with the assistant of X-Ray diffraction and electron microscopy. |
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