高温粉体の圧縮特性(<小特集>粉体小特集)

概要

論文の詳細を見る
The effect of temperature an compaction behavior has been examined on several fine powders by using the compressive apparatus composed of parallel plates in the temperature range from room temperature to 500℃. A straight line relation was found to exist between the logarithm of compressive stress and void fraction, and at a constant compressive stress, the void fraction became larger with increasing temperature. The compaction behavior of thermostable powders at high temperatures can be easily estimated from the test result at room temperature, because the lines showing the relation between the logarithm of compressive stress and the void fraction at different temperatures are parallel to each other. But, in the case of the particles cohering each other during compression at high temperatures or those showing remarkable elastic deformation, the relation between logarithm of compressive stress and void fraction showed a unique characteristic, deviating from a straight line.
社団法人日本材料学会の論文
1984-09-15