| 摘要 |
In a method of effecting a glass-capsule HIP for producing a ceramic fired body having a porsity of less than 0.1%, a residual sintered carbon amount and/or an absorbed water amount in a ceramic formed body before inserting into the glass-capsule are set to predetermined values. Therefore, it is possible to obtain a ceramic sintered body having a high density and a high flexural strength.
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