2相合金の加工による第二相の変形について

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書誌事項

タイトル別名
  • A Study on the Deformation of the 2nd Phase in Two Phase Alloys by Cold-Rolling
  • 2 アイアイキン ノ カコウ ニ ヨル ダイニソウ ノ ヘンケイ ニ ツイテ

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抄録

The deformation process of two-phase alloys by rolling differs from that of alloys with homogeneous structure. We studied the volume dependence of the 2nd phase on the deformation process. The experiments have been carried out by statistical methods using a microscope. The results obtained are summarized as follows: The following equation which had been obtained in the previous report have been confirmed also in this experiment: Δh⁄h⁄ΔH⁄H=a1−Vi⁄Vm where Δh⁄h is the deformation degree of the 2nd phase, ΔH⁄H the average percentage reduction of the test-piece, Vi⁄Vm the relative hardness of both the phases and the value of a depends on the amount, shape and distribution of the 2nd particle in the material. The deformation of the 2nd phase due to rolling increases with a decreasing of the amount of the 2nd phase in the test-piece and when rounded 2nd phase particles are uniformly distributed throughout the section, the following relation between n and a is satisfied: a=1.8n−0.8. If the hard and brittle 2nd particles are in the form of needle-shaped crystals, this phase expresses greater relative deformation than that of the rounded particles caused by their rotation or breaking in the matrix, and this tendency is affected by the total volume of the 2nd phase in the test-piece.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 23 (8), 433-437, 1959

    公益社団法人 日本金属学会

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