年次大会
Online ISSN : 2424-2667
ISSN-L : 2424-2667
セッションID: S111015
会議情報
S111015 非鉄金属製ボルトの疲労強度特性に関する研究([S111-01]第19回卒業研究コンテスト(1))
鳥居 哲也橋村 真治宮下 幸雄大津 健史山中 茂日比 玄機
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会議録・要旨集 フリー

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抄録
In order to investigate fatigue characteristics of a nonferrous bolt in ambient temperature and in 100℃ atmosphere, the axial fatigue test of the bolted joint tightened with A5056 aluminum alloy bolt, AZ31 magnesium alloy bolt and AZX912 magnesium alloy bolt were conducted. Creep tests were also conducted in this study. The results show that the axial fatigue limit of A5056 bolt was the highest regardless of the temperature. It is also show that the axial fatigue limit of AZ31 bolt and AZX912 bolt were half of the fatigue limit of A5056 bolt approximately. However elongation due to creep deformation occurs in 100℃ atmosphere for all bolts. Hence if we use the nonferrous bolt in high temperature, we have to pay attention to the clamping force reduction due to creep deformation.
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