| 摘要 |
PCT No. PCT/FR95/01540 Sec. 371 Date May 22, 1997 Sec. 102(e) Date May 22, 1997 PCT Filed Nov. 22, 1995 PCT Pub. No. WO96/15999 PCT Pub. Date May 30, 1996The invention relates to refractory materials that may be used in iron and steel metallurgy comprising, in % by weight: A] 32 to 87% of particles and/or grains of at least one refractory material, the melting temperature and thermal dissociation temperature of which are greater than 1700 DEG C.; B] 7 to 50% of an in situ-formed binding matrix and consisting of a sialon, AIN or one of its polytypes, or a mixture thereof; C] 2 to 40% of a material based on titanium nitride TiN dispersed in the matrix; and, optionally, D] 0 to 42% of hexagonal boron nitride, amorphous carbon and/or crystallized graphite dispersed in the binding matrix.
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