abstract |
The sialon sintered body of the present invention is represented by Si 6 - z Al z O z N 8 -z (0 < z ? 4.2), and has an open porosity of 0.1% or less and a relative density of 99.9% , The ratio of the sum of the intensities of the maximum peaks of the components other than sialon to the intensity of the maximum peak of sialon is 0.005 or less. |