射出成形窯業品の焼成結果に及ぼす加熱処理の影響 : 射出成形方法による窯業品の製造に関する研究 (第2報)

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The effects of several additions and heating velocities on the firing characteristics of the injection molding of ceramics were studied.Stearic acid and D. E. P. added to polystyrene as the lubricant or the plastitizer gave favorable results for improving the plasticity of the mix. Particularly, D. E. P. showed the best heating properties which mainly come from its low volatilization temperature.Taking into consideration the effect of stearic acid on the heating properties of molded ceramics it was confirmed that the amount should be kept less than 4%.As the heating velocity has remarkable influence on the heating properties the heating schedule should be determined by taking into concideration of the kind of agents, and the thickness of the article.The molded articles of 6mm thick (Al2O3-styrene-stearic acid-D. E. P. system) must be heated with the velocities less than about 7°C per hour.
社団法人日本セラミックス協会の論文
1960-01-01