コイルばねの変形および強度に及ぼす高温セッチング処理の影響

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タイトル別名
  • Effects of Setting-Treatment at Elevated Temperature on the Fatigue Strength and Fatigue Deformation of Coiled Spring
  • コイルバネ ノ ヘンケイ オヨビ キョウド ニ オヨボス コウオン セッチング ショリ ノ エイキョウ

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説明

This paper presents the results of compressive fatigue and creep tests on piano wire coiled spring, setting-treated at elevated temperature conditions. The specimen is treated for 4min at a temperature of 250°C under the compressive load of 40kg, for this condition gives the material the highest values of proportional limit and spring constant.<br>The results obtained are as follows;<br>(1) The fatigue limit of setting-treated spring is about 14% higher than the conventional bluing-treated one.<br>(2) The value of deformation limit is nearly constant for the value of τa/τm from 0.6 to 1.0, while it becomes higher as the value of τa/τm becomes lower.

収録刊行物

  • 材料試験

    材料試験 10 (99), 977-981, 1961

    公益社団法人 日本材料学会

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