非球状粒子の乾燥ペレットの強度
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概要
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In this paper, the strength of dry pellets formed from fine grains of glass, feldspar, hematite, and quartz was investigated. From the experimental results, it has been found that the strength of dry pellets of the ground products can be expressed by the equation (1) which is a modified theoretical tensile strength equation for the dry pellets of spheres obtained by introduction of the idea of maximum porosity for uniform packing structure of the ground material. It is recognized experimentally that a, b, and H in Eq. (1) change with the shape of particles. [numerical formula] where S is the tensile strength of dry pellets, D_<av> is the mean diameter, a is the maximum porosity, ε is the porosity of pellets, b is a constant and H is the bonding force at point of contact.
- 社団法人日本材料学会の論文
- 1975-07-15