Preparation and mechanical properties of TiB2 composites containing Ni and C

被引:0
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作者
Matsushita, Junichi [1 ]
Nagashima, Hideo [1 ]
Saito, Hajime [1 ]
机构
[1] Toshiba Ceramics Co. Ltd, Kariva, Japan
关键词
Borides - Densification - Composite Materials - Nonmetallic Matrix Composites - Titanium Compounds - Fracture - Titanium Compounds - Sintering - X-Ray Analysis;
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摘要
Mechanical properties of pressureless sintered TiB2 containing Ni and C were investigated. Ni and C play an important role in the densification of TiB2. Sintered TiB2 containing 7.5wt% (14Ni:1.5C) exhibited a bending strength of 470MPa. Vickers hardness of 17GPa and K10 of 4.9MPam 1/2 . The fracture surface of TiB2 sintered containing Ni and C showed both transgranular and intergranular fracture modes. XRD analysis detected Ni3 B and TiC phases besides in addition to TiB2 in the sintered body.
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页码:77 / 81
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