| 摘要 |
PCT No. PCT/NZ96/00122 Sec. 371 Date May 27, 1998 Sec. 102(e) Date May 27, 1998 PCT Filed Nov. 1, 1996 PCT Pub. No. WO97/16388 PCT Pub. Date May 7, 1997A process for the production of alpha ' or beta 'SiAlON from a starting mixture of silicon metal and clay, wherein the process includes heating the mixture in a flowing nitrogen, or nitrogen containing, atmosphere to a temperature sufficient to react the silicon and the nitrogen with the clay to form the beta ' or alpha 'SiAlON and wherein the clay participates in the reaction as a source of aluminium and silicon.
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