By derect sintering of BZY can 't obtain fine sintered bodies , but before sintering through precalcination their performances increased as that of mixing process (α - Al2O3 + 3YZ ) .
BZY直接烧结得不能致密烧结体，但先预烧再烧结，其各项性能均可与混合法（α-Al2O3+3YZ）产物一样提高。
bzy