新設した大形疲れ試験機とそれを用いた簡単な疲れ試験結果

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タイトル別名
  • A Newly Installed Large Fatigue Testing Machine and Some Test Results Conducted by It
  • シンセツ シタ オオガタ ツカレ シケンキ ト ソレ オ モチイタ カンタン ナ ツカレ シケン ケッカ

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抄録

A large sized rotary bending fatigue machine capable of testing a specimen up to 60 mm in diameter (capacity : 1.6 ton-metre, range of revolution : 300 to 1200 r.p.m.) has been newly installed. The present paper describes the testing machine briefly and gives some results of certain tests by this machine. The principal results on specimens made of 0.35% carbon steel are listed below ; [table] Finally, the state of strain measured with resistance strain gages set over the crack and the test results on the propagations of cracks are described.

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