焼結フェライトにおける空隙の観察

概要

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The optical and electron micrographic examination of sintered Ni ferrite under the norme grain growth showed that pore remains at grain intersections when the cylindrical pore close and that subsequent grain growth changes the shape and distribution of the pore. That is boundary migration due to grain growth leads the pores to set on grain boundaries and som of them to isolate from grain boundaries.<BR>Size, shape and population of the pores observed at these stages of sintering are subjected to statistical analysis, and a model for explaining the change of pores is proposed.
社団法人粉体粉末冶金協会の論文