On the Characteristics of a Bolted Joint with Tap Bolts : the case where a clamped part is a cover of a pressure vessel

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概要

• 論文の詳細を見る

• This paper discussed on a distribution of contact stresses when the cover of a pressure vessel is fastened with tap bolts to a vessel. In the analysis, by replacing the cover and the vessel by a finite hollow cylinder the distribution of contact stresses is analyzed by three dimensional theory of elasticity. In addition, the force ratio, which is the ratio of an increment of a bolt axial force to a load when a pressure is applied, is analyzed by using three dimensional theory of elasticity and theory of beam on an elastic foundation. Moreover, the maximum stress caused in bolts when a pressure is applied, is also analyzed. Then, a method to estimate the pressure causing a separation of the interface and a leakage of fluid from the joint is proposed. For verification, experiments are carried out. Analytical results are in a fairly good agreement with experimental ones.

• 一般社団法人日本機械学会の論文

著者

• KOBAYASHI Takashi

  Faculty of Science and Engineering, Doshisha University

• Sawa Toshiyuki

  Faculty Of Engineering Yamanashi University

• Takei Hideaki

  Mitsubishi Denki Co. Ltd.

• Kobayashi Takashi

  Faculty Of Engineering Keio University

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