超塑性セラミックス原料粉末を中間材に用いた窒化珪素接合体の高温曲げ特性(オーガナイズドセッション,超塑性と材料および造形法)

概要

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In this study, ceramic source powders of 3Y-TZP/Al_2O_3 composites,which can show superplasticity during and after sintering were used as insert material for sinter-bonding of a structural ceramic, polycrystalline silicon-nitride (Si_3N_4). Temperature, bonding stress, bonding time and thickness of the insert were used as variables for the bonding experiments, and the observation for the bonded states by SEM, and measurement of 4-point bending strength from room temperature to high temperature (R.T.〜1573K) were carried out. The high temperature bending characteristics of bonded specimens are discussed based on the bending test results and observation on the bonded interfaces and fracture surfaces of bonded specimens after bending tests.
一般社団法人日本機械学会の論文
2004-09-23