首页>
外国专利>
Sintering silicon nitride compacts in powder packing - in nitrogen at atmospheric pressure, without wt. loss
Sintering silicon nitride compacts in powder packing - in nitrogen at atmospheric pressure, without wt. loss
展开▼
机译:烧结的氮化硅压实成粉末状填充物-在大气压下于氮气中,无重量失利
展开▼
页面导航
摘要
著录项
相似文献
摘要
A sintered Si3N4 article is prepd. By (a) sintering an Si3 N4 compact, density =1.3 g/cm3 in N2 at atmospheric pressure with the compact embedded in a protectice powder of Si3N4 and/or BN and 3-20 wt.% sinterisation additive(s) for Si3N4. Sintered compacts of high density and homogeneity can be formed with thermal decompsn. limited without using atmospheric pressure, e.g. a compact having density 3.05 g/cm3 was prepd. with wt. loss 0.5 wt.% and no detectable structural dishomogeneities.
展开▼
机译:准备了烧结的Si3N4制品。通过(a)在大气压下烧结在N2中密度> = 1.3 g / cm3的Si3 N4压块,并将该压块嵌入Si3N4和/或BN的保护粉中以及3-20 wt。%的Si3N4烧结添加剂。可以通过热分解形成高密度和均质的烧结体。不使用大气压限制制备密度为3.05g / cm 3的压块。与wt。损失0.5重量%并且没有可检测的结构同质性。
展开▼