フェライト製造工程の粉末冶金的解析 : (第1報) 製造工程の概観と加熱工程で起こる変化

概要

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As an introductory of a broad program in which ferrite manufacturing process is investigated from the powder metallurgical point of view, the present paper gives a general consideration on the process based on the experimental results which will be reported in detail in subsequent papers.<BR>It is shown that one of the approaches towards full understanding and adequate evaluation of the ferrite manufacturing process can be accomplished by examining the properties of ferrite powder in combination with its sintering characteristics.<BR>Two heating processes, calcination and firing are studied referring to the properties of ferrite powder and sintered final product respectively. Some typical examples are given on the effects of calcination upon the properties of ferrite powder. Results of sintering experiments with differently processed ferrite powder samples are given also, and it is shown how densification and grain growth are affected by calcination and subsequent ball-milling.
社団法人粉体粉末冶金協会の論文