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Student Number 88323046
Author Yui-Quan Xu(許育銓)
Author's Email Address No Public.
Statistics This thesis had been viewed 1821 times. Download 2379 times.
Department Mechanical Engineering
Year 2000
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title SA533B1壓力槽鋼材之高週疲勞壽限評估模式研究
Date of Defense 2001-07-19
Page Count 75
Keyword
  • SA533鋼
  • 壓力槽
  • 壽限評估
  • 變動振幅負荷
  • 高週疲勞
  • Abstract 本研究以反應器壓力槽材料SA533 B1鋼材為探討對象,進行等振幅與變動振幅負荷下之高週疲勞試驗,求取在不同應力水準、不同平均應力下之疲勞壽限,並與理論預測結果作比較,探討疲勞壽限評估模式之適用性與準確性。
    等振幅疲勞實驗結果顯示,經由High Diagram的預測,可知SA533B1鋼材適合用Gerber的方程式來描述平均應力的影響。另外,從變動振幅疲勞之實驗值與理論預測值對照圖,可明確知道應力壽命法中的Gerber法的壽命預測較其他方法準確,故適用於預測SA533 B1鋼材之疲勞壽命。
    Table of Content 摘要 I
    致謝 II
    總目錄 III
    表目錄 VI
    圖目錄 VII
    符號說明 VIII
    第一章、緒論 1
    1- 1 研究動機與目的 1
    1- 2 文獻回顧 2
    第二章、理論說明 8
    2-1 應力-壽命曲線(S-N Curve)9
    2-2 平均應力的影響 10
    2-3 循環計數 12
    2-4 損傷累計 14
    2-5 應力-壽命法 15
    2-6 循序法與區間法 16
    2-7 變動振幅疲勞 19
    2-8 訊號壓縮 21
    第三章、實驗設備及步驟 23
    3-1 實驗設備 23
    3-2 實驗步驟 24
    3-2-1試片製作 24
    3-2-2拉伸試驗 26
    3-2-3高週疲勞試驗 26
    3-2-4變動振幅疲勞試驗27
    3-2-5金相觀察 28
    3-2-6破斷面觀察 28
    第四章、結果與討論 30
    4-1 拉伸試驗與金相觀察 30
    4-2 程式驗證 30
    4-3 等負荷振幅疲勞試驗 31
    4-4 變動負荷振幅疲勞試驗32
    4-5 破斷面觀察 35
    第五章、結論與未來發展 36
    參考文獻 37
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    Advisor
  • Jiun-ren Hwang(黃俊仁)
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    Date of Submission 2001-07-19

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