巻号一覧
10 巻, 1 号
選択された号の論文の5件中1～5を表示しています
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田辺 伊佐雄, 奥田 欽之助, 本多 次徳1963 年 10 巻 1 号 p. 3-6
発行日: 1963/02/25
公開日: 2009/05/22
ジャーナル フリーThe alumino-thermite production of Cr-B alloy was studied. Chromium oxides (CrO3 and Cr2O3) and boron oxide were simultaneously reduced by metallic aluminium. Separating from alumina slag, Cr-B alloy was crushed into-100 mesh size. The crushed Cr-B powder was, in the first step, leached in alkaline solution to remove Al which was included by thermite reaction. For further refinement, it was leached in mild acid solution to dissolve other impurities. The refined Cr-B alloy consisted of Cr 60-75%, B 12-25% and Al<5% and it seemed to be composed of CrB and CrB2 structures.抄録全体を表示PDF形式でダウンロード (1566K) -
(第2報) フエライト粉末の性質山口 喬1963 年 10 巻 1 号 p. 7-12
発行日: 1963/02/25
公開日: 2009/12/04
ジャーナル フリーThe effects of calcination and ball-milling on the particle size distribution, tap density and pressing behavior of the the Ni⋅Zn and Mn⋅Zn ferrite powders have been presented in this paper. It is shown that the ball-milling has two different effects on the properties of ferrite powder depending on whether the temperature of clacination is above or below the recrystallization temperature. It is found that striking correlations exist among these properties and also is found that the tap density is one of the most useful and convenient parameters not only for the estimation of other powder properties but also for the criterion of ferrite powder processing performance.抄録全体を表示PDF形式でダウンロード (1863K) -
種谷 真一, 高田 耕二1963 年 10 巻 1 号 p. 13-18
発行日: 1963/02/25
公開日: 2009/05/22
ジャーナル フリーSome physical properties of tablets, each made from dried milk, pure cocoa, sugar and their mixed powder were studied.
The powder were pressed at various stress and cylindrical tablets of 3.0cm in diameter, 0.7-0.5cm in hight, weighting 5-8g were prepared. Generally, the density of the tablets were proportional to logarithmic upper compressional stress or lower stress acting at the lower punch.
The relationship between upper and lower punching stress has very complex behavior by the various effects of lubrication and anomalous propagation of compressional stress in powder. Those relations were attributed to the component and shape of powder.
With regards to almost all tablets, the destructive intensity were increased with compressional stress, except the tablet made from whole milk powder which led to oiling off by compression. Only a tablet made from whole milk powder exhibited 80% oiling off by compressional stress of about 500kg/cm2 or over.
The rate constant K of the water vapor absorption for the tablets were experimentally determined by the use of Pain's relation at a lower relative humidity. The value of K at 32% relative humidity was 26.0×10-4hr-1 for the tablet made from whole milk powder and 32.0×10-4hr-1 made from dried skim milk, respectively.抄録全体を表示PDF形式でダウンロード (1334K) -
小野 英二, 種谷 真一1963 年 10 巻 1 号 p. 19-28
発行日: 1963/02/25
公開日: 2009/05/22
ジャーナル フリーPDF形式でダウンロード (2450K) -
武井 武1963 年 10 巻 1 号 p. 29-33
発行日: 1963/02/25
公開日: 2009/05/22
ジャーナル フリーPDF形式でダウンロード (363K)
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