鑄物砂の粒度に關する一考察

概要

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(1) In case the time of sand mixing with the additional clay is constant, it is less effective to add such amount of additional clay as becoming a washed clay. (2) In view of enhancing the effect of additional Clay, small grain of the raw sand itself shall be removed. (3) Even increasing the time of sand mixing, the sand grains would not be broken in proportion thereto. (4) In case sand mixing takes a long time it shall be performed after small grains have been removed just like in the case of (2).
社団法人日本鉄鋼協会の論文
1950-07-25