| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Research Abstract |
This study has been achieved to establish the design method of a bolted joint subjected to various vibrations. We established the design method of a bolted joint subjected to transverse vibration at first. Next, I developed an experimental apparatus to investigate fatigue characteristics of a bolted joint subjected to not only transverse vibration but also axial vibration, and conducted the fatigue tests using he developed apparatus. At present, I am establishing the design method of a bolted joint subjected to transverse vibration and axial vibration. An influence of nut configurations to the fatigue characteristic of a bolt such as the wheel hub bolt was also revealed in this study.
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