フェライト基地球状黒鉛鋳鉄の曲げ試験における荷重 -たわみ関係 Relationship Between Load and Deflection in Bending Test of Ferritic Spheroidal Graphite Cast Iron

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抄録

  Tension tests and bending tests using bar test pieces with a square cross section of ferritic spheroidal graphite cast iron were carried out. True stress <i>σ<sub>t</sub></i> at strain <i>e</i> in tension test can be expressed well by <i>σ<sub>t</sub></i> = <i>Ke<sup>n</sup></i>, where <i>K</i> and <i>n</i> denote constants. Bending load <i>P</i> is related well to the deflection at loading point <i>δ</i> as <i>P</i> = <i>Dδ<sup>n</sup></i>, where <i>D</i> is a constant, the value of which is in good accord with the calculated value. Interrupted bending tests in varied stages reveal that the strain at the bent outer surface is fairly concentrated near the loading point throughout the test, and the deflection <i>δ</i> is proportional to the strain at loading point <i>e</i><sub>0</sub>. The slope of test piece at support <i>θ</i> is also proportional to <i>e</i><sub>0</sub>. The observed distribution of strain at the bent outer surface along the length of test piece, <i>δ</i>-<i>e</i><sub>0</sub>, and <i>θ</i>-<i>e</i><sub>0</sub> relationships in bending deformation are explained pretty well when the shift of neutral plane from the center of thickness is considered.

収録刊行物

  • 鋳造工学 = Journal of Japan Foundry Engineering Society

    鋳造工学 = Journal of Japan Foundry Engineering Society 69(8), 656-662, 1997-08

    Japan Foundry Engineering Society

参考文献:  4件中 1-4件 を表示

  • <no title>

    中西不二夫

    日本機械学会論文集 18, 68, 89, 1952

    被引用文献1件

  • <no title>

    塩田俊雄

    鋳物 43, 14, 1971

    被引用文献1件

  • <no title>

    加藤健三

    金属塑性加工学 292, 1971

    被引用文献2件

  • <no title>

    葉山益次郎

    塑性学と塑性加工 204, 1969

    被引用文献1件

各種コード

  • NII論文ID(NAID)
    10003800625
  • NII書誌ID(NCID)
    AN10514770
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13420429
  • NDL 記事登録ID
    4275752
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-277
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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