ひずみ速度で降伏点の変る理論

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書誌事項

タイトル別名
  • Yield Point depends on the Rate of Strain Its Theory
  • ヒズミ ソクド デ コウフクテン ノ カワル リロン

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抄録

It is now recognized as a well-known fact that the yield point depends on the rate of strain as a result of the investigation by Ludwik, Manjoine and other investigators. The author presents a new theory in order to explain this phenomenon and expresses it by a model which consists of two springs, two dashpots and one friction block. The arrangement of these component parts in this model is somewhat different from any other models used widely in the field of rheology. The relation among the stress, the strain and the rate of strain is expressed by the following equations in this theory : [numerical formula] and [numerical formula] where σ means the stress, εe ; the elastic strain, εp ; the rate of strain and D is the force acting on the friction block. As to the force acting on the dashpot, precise explanation will be given by the author in the next paper.

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