| 摘要 |
A ceramic material is provided containing 45 to 55% by weight TiB2 and 40.5 to 54.7% by weight BN and 0.1-1.5% by weight Ca in the form of a compound selected from the group consisting of the calcium oxides and calcium borates and mixtures thereof, which material contains from 0.2 to 3% by weight of a compound selected from the group consisting of the oxides, carbides and nitrides of the elements Al, Si, Zr, Ti and mixtures thereof.
|
