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書誌事項

タイトル別名
  • On the Rigidity Modulus and the Internal Friction in Quench-hardend Steel Wires
  • マルテンサイト コウセン ノ ゴウセイリツ , ナイブ マサツ ナド ニ ツイテ

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抄録

The rigidity modulus, the electrical resistivity, the hardness and the internal friction in quench-hardened steel wires containing 0.08% and 0.12% of carbon were measured as functions of reduction in area and tempering temperature. The measurement were made on the specimens of wire of 0.6 mm diameter, using a torsion pendulum, a potentiometer and a micro-Vicker’s hardness tester. The result obtained were as follows: (1) The rigidity modulus of quench-hardened steel wire increases gradually by cold drawing, and the rate of increase is larger than that of annealled one. (2) The internal friction of the annealled steel wires decreases remarkably with the amount of cold-drawing up to the reduction of 30% in area, but at a heavy drawing above 30% reduction the change of internal friction is relatively small. The internal friction of the quenched steel wires did not change by cold drawing (But it must be taken care to measure the internal friction in wires aged more than one year at room temperature). (3) The rigidity modulus of steel wires cold-drawn after quenching increases slightly by tempering at 100∼500°C, but decreases remarkably above 550°C.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 24 (12), 810-813, 1960

    公益社団法人 日本金属学会

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