Effect of Shot-Peening on Fatigue Strength of Metals. I : Effects on Polished State
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概要
- 論文の詳細を見る
To investigate the effect of shot-peening on the fatigue characteristics of metals, preliminary fatigue tests were carried out by the rotary bending method with polished and shot-peened materials of pure iron, Si-Mn steel, 17 S Al alloy and 4/6 brass, and the results obtained were as follows : (1) The endurance life of all the materials tested was prolonged by several times, and the fatigue strength at 10^7 cycles was increased by 3〜13 per cent by shot-peening ; (2) The fatigue limit was not varied or only slightly increased by repolishing to remove the surface roughness due to shot-peening ; (3) The fatigue limit was reduced by annealing at high temperatures in order to soften the surface layer hardened by shot-peening, and this tendency was the stronger the higher the increase in the tensile strength was.
- 東北大学の論文
著者
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Takeuchi Sakae
The Research Institute For Iron Steel And Other Metals
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HOMMA Tsuneo
The Research Institute for Iron, Steel and Other Metals
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Homma Tsuneo
The Research Institute For Iron Steel And Other Metals
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