On the Possibility of Use of Ultrasonic Vibration in Engineering Fatigue Tests of Metals (Fatigue of Metals by Ultrasonic Vibration, 1st Report.)

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  • 超音波振動を金属の実用疲労試験に利用することの可能性について
  • チョウオンパ シンドウ オ キンゾク ノ ジツヨウ ヒロウ シケン ニ リヨウ スル コト ノ カノウセイ ニ ツイテ

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Abstract

The method of the use of ultrasonic vibration for quick results in fatigue tests has been developed. The authors built the apparatus by using a nickel magnetostriction transducer operated at 18.6 kC/s and an exponential horn as a focusing device. It causes the stress amplitude of 30 kg/mm2 in a mild steel rod of 3.8 mm dia. This is the report on the characteristics of fatigue testing by this apparatus.

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