TANSO
Online ISSN : 1884-5495
Print ISSN : 0371-5345
ISSN-L : 0371-5345
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Volume 1961, Issue 30
Displaying 1-7 of 7 articles from this issue
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  • The relation between operating charactor and treatment condition of the resin in impregnation brush
    Takaichi Takemasa
    1961 Volume 1961 Issue 30 Pages 3-12
    Published: December 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1961.30_3
    JOURNAL FREE ACCESS
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    Generally, the brush with excellent Commutating ability is made of large graphite particles. Therefore mechanical strength is poor, so the brush life is short.
    Under the high current densities, the particles fall away from the sliding surfare of the brush and then commutation goes bad.
    For the purpose of improviny this defect, the writter studied the impregnate brush with synthetic resin.
    In conclusion, the brush, applying Hita buran resin denaturated by phenol has been more improved on the character of the life, friction, and commutation than ordinary hrush in common use.
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  • On the Technical Properties of Carbon Brocks used for Blast Furnaces
    Syozo Okada
    1961 Volume 1961 Issue 30 Pages 13-22
    Published: December 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1961.30_13
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  • X-ray Study of Electrographitized Carbon Products IV.
    X-ray Diffraction Profiled of Electrographitized Carbon Products
    Tokiti Noda, Michio Inagaki
    1961 Volume 1961 Issue 30 Pages 22-25
    Published: December 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1961.30_22
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    It was reported in the previous paper that (00l) diffraction profiles of some electrographitized carbon products such as carbon brushes were asymmetric as a result of the overlapping of diffraction profiles of differently graphitized carbons. This paper reports the results of an investigation of the differentiation of (004) diffraction profiles of electrographitized carbon products which were made from petroleum coke and thermal black bonded by coal-tar pitch.
    The (004) diffraction profiles of these samples were graphically separated into those of component carbons i. e. the electrographitized coke, carbon black and coke from binder pitch. The ratios of the integrated intensities of component carbons coincided fairly well with the mixing ratios of components when the intensities were corrected f or the effect of preferential orientation of graphite crystallites of coke origin. Coke derived from the pitch used as the binder of carbon materials was found to graphitize to a less extent than the coke derived from the same pitch without the admixture of carbon materials.
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  • Inorganic Impurities of Graphite Electrodes I
    Distribution of Inorganic Impurities in Acheson Graphite Electrodes
    Tokiti Noda, Michio Inagaki, Chihiro Sugie
    1961 Volume 1961 Issue 30 Pages 26-29
    Published: December 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1961.30_26
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    Distribution of inorganic impurities in graphite electrodes was investigated by means of radiography, ash pattern technique, and sulfur print technique. Patterns in the radiographs of the electrodes were found to correspond closely with their ash patterns. In 14″ Acheson electrode, a small quantity of inorganic impurities was found in a relatively uniform distribution, while in 18″ and 30″ Acheson electrodes, an appreciable amount of inorganic impurities was found to intermingle with fine coke powder or coke derived from binder pitch in interstices between coke particles.
    Inorganic impurities of 18″ and 30″ electrodes existed in a fiber-like texture and were mainly composed of iron compounds. The fiber-like texture of the impurities suggested that the impurities might have condensed from the vapour phase.
    The radiography of graphite electrodes was also proved to be useful in revealing the texture of the electrodes such as shape and distribution of both coke particles and pores.
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  • [title in Japanese]
    [in Japanese]
    1961 Volume 1961 Issue 30 Pages 30-36
    Published: December 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1961.30_30
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  • [title in Japanese]
    1961 Volume 1961 Issue 30 Pages 37-42
    Published: December 20, 1961
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.7209/tanso.1961.30_37
    JOURNAL FREE ACCESS
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  • Erratum
    1961 Volume 1961 Issue 30 Pages 42
    Published: 1961
    Released on J-STAGE: March 01, 2011
    DOIhttps://doi.org/10.7209/tanso.1961.30_42
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