Mechanical Properties on Electron Beam Welds of Constructional High Tension Steels (Report II)
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概要
- 論文の詳細を見る
Schenk type bending fatigue properties of electron-beam welds with square-butt joint for commercial high tension steels (HT-50, 60 and 80) of 25mm thick plates were investigated in this paper. In this investigation two electron-beam welders (conventional high voltage and low voltage types) were used. The fatigue limits of all the welds showed satisfactorily adequate values which corresponded to those of base metal. Consequently, it was concluded that Schenk type bending fatigue properties of electron-beam welds for HT-50, 60 and 80 steels were sound enough. There were no remarkable relations between the weld heat input within the range of 7.5KJ/cm to 20KJ/cm and the fatigue limit, however the fatigue limit of weld with 100℃ preheating showed merely low value as compared with that without preheating for each steel. Therefore, the fatigue limit of welds tended to a little rise with an increase of the hardness of weld metal.
- 大阪大学の論文
著者
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MATSUDA Fukuhisa
Osaka University
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ARATA Yoshiaki
Osaka University
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SHIBATA Yutaka
Katayama Iron Works, Ltd.
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ONO Yoshihisa
Katayama Iron Works, Ltd.
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HOZUMI Shigeomi
Katayama Iron Works, Ltd.
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FUJIHIRA Shouichiro
Osaka University
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Hozumi Shigeomi
Katayama Iron Works Ltd.
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Matsuda Fukuhisa
Osaka Univ.
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