Journal of the Metal Finishing Society of Japan
Online ISSN : 1884-3395
Print ISSN : 0026-0614
ISSN-L : 0026-0614
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Volume 4, Issue 2
Displaying 1-9 of 9 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1953 Volume 4 Issue 2 Pages 46-49
    Published: April 28, 1953
    Released on J-STAGE: October 30, 2009
    DOIhttps://doi.org/10.4139/sfj1950.4.46
    JOURNAL FREE ACCESS
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  • Protection of Finished Surfaces with Strippable Paints
    Izumi MIYOSHI, Yukio SAKAE, Chudo TSUNEYOSHI
    1953 Volume 4 Issue 2 Pages 50-55
    Published: April 28, 1953
    Released on J-STAGE: October 30, 2009
    DOIhttps://doi.org/10.4139/sfj1950.4.50
    JOURNAL FREE ACCESS
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    We studies on Strippable Protective Coatings which are recommended for protecting machinery, tools and various equipments, both for inside and outdoor storage. This material, we named, “Strip Paint” may be applied by brushing, spraying or roller-coating, and the film can easily be peeled with our fingers.
    It forms a tough, flexible coating film, and in addition to being water-resistant, the coating will withstand dilute acid, alkalis, and various damaged atomospheres.
    The results of testing on our trial products of “Strip Paint” as compared with some methods of protect-packaging, we confirmed its excellent ability to protection, and may be expeted its widely application for many usings of various industries.
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  • Aluminized cast iron
    Hajimu NODA, Gosuke HIKIDA
    1953 Volume 4 Issue 2 Pages 55-58
    Published: April 28, 1953
    Released on J-STAGE: October 30, 2009
    DOIhttps://doi.org/10.4139/sfj1950.4.55
    JOURNAL FREE ACCESS
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    Ordinarily, cast iron used as industrial material is alloyed with Cr and Ni or coated by metaricon of aluminum because of it has poor heat resistance and poor corrosion resistance. But to-day Cr and Ni are wanted in Japan. We think, aluminum coating by dipping of cast iron is more significant and simple than metaricon. But its corrosion test has hardly been made, therefore we made the test by acids and alkalis. Results obtained;
    1. Dipping temp of about 900°C is good.
    2. In corrosion test the dipped piece is more satisfactory than a cast iron piece in solution, gas and salt bath.
    3. H2SO4 is unfavourable agent against the dipped piece.
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  • A consideration of electrolytic polishing mechanism
    Nagao SAITO
    1953 Volume 4 Issue 2 Pages 59-64
    Published: April 28, 1953
    Released on J-STAGE: October 30, 2009
    DOIhttps://doi.org/10.4139/sfj1950.4.59
    JOURNAL FREE ACCESS
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    The conventional theory of electrolytic polishing mechanism is explained by next three; the polarization of concentration, the viscous diffusion layer, and passivation of the valleys.
    I have explained that their theorys are not suitable to account every phenomenon, and I advanced the new theory in accordance with next two experimental fact.
    (1) By increasing of metal ion in electrolyte, anodic current efficiency falls gradually, until some constant value. That value continues until life point of electrolyte, keep step with increasing metal ion. The finishing surface is the best quality at that constant current efficiency zone.
    (2) On electrolysis, I have caught the current vibration by magnetic oscillation diagram, and reasoning that vibration is alternate periodic variation of passivity and activity of anode plate.
    Genrally, electrolytic polished surface blightness is better in higher frequency condition.
    Generally, it is known, HCl solution is not suitable to polish for steel, but, I find out that at current vibrating condition, mirrorlike surfacc is get easily.
    Then, I adovocate next new theory that mirrorlike surface depends upon alternate periodic passivity and activity of anode plate.
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  • Bright Annealing of Carbon Steels
    Yonoshuke WAKAMOTO, Tsukasa TANAKA
    1953 Volume 4 Issue 2 Pages 65-66
    Published: April 28, 1953
    Released on J-STAGE: October 30, 2009
    DOIhttps://doi.org/10.4139/sfj1950.4.65
    JOURNAL FREE ACCESS
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  • Hot Spraying
    [in Japanese]
    1953 Volume 4 Issue 2 Pages 67-70
    Published: April 28, 1953
    Released on J-STAGE: October 30, 2009
    DOIhttps://doi.org/10.4139/sfj1950.4.67
    JOURNAL FREE ACCESS
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  • Wetting Agent for Plating
    [in Japanese]
    1953 Volume 4 Issue 2 Pages 71-76
    Published: April 28, 1953
    Released on J-STAGE: October 30, 2009
    DOIhttps://doi.org/10.4139/sfj1950.4.71
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1953 Volume 4 Issue 2 Pages 76-80
    Published: April 28, 1953
    Released on J-STAGE: October 30, 2009
    DOIhttps://doi.org/10.4139/sfj1950.4.76
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1953 Volume 4 Issue 2 Pages 80-82
    Published: April 28, 1953
    Released on J-STAGE: October 30, 2009
    DOIhttps://doi.org/10.4139/sfj1950.4.80
    JOURNAL FREE ACCESS
    Download PDF (888K)
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