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姓名 黃東興(Dong-Xen Haung ) 查詢紙本館藏 畢業系所 機械工程研究所 論文名稱 材料性質量測分析軟體之開發 相關論文 檔案 [Endnote RIS 格式] [Bibtex 格式] [相關文章] [文章引用] [完整記錄] [館藏目錄] [檢視] [下載]
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摘要(中) 在電腦科技發達的今天,善用電腦能幫助我們輕鬆解決許多問
題;利用電腦輔助自動化分析,是今日材料試驗的發展趨勢。本研究
乃參考ASTM 規範,以Visual Basic 程式語言為主要的發展工具,設
計一套材料試驗分析軟體,方便我們在做完材料試驗之後,將實驗所
得的數據加以分析,獲得我們想要得到的材料性質。本文探討的範圍
包括拉伸、壓縮、彎曲、高週疲勞、低週疲勞、破壞韌性、疲勞裂縫
成長等材料試驗。本軟體能夠繪製出曲線圖,並自動分析出各項性
質:降伏強度、極限強度、破壞強度、楊氏係數、應變硬化指數、S-N
曲線關係、疲勞限、疲勞強度係數、疲勞延性係數、疲勞強度指數、
疲勞延性指數、循環強度係數、循環應變硬化指數、KIC、Paris 方程
式等,同時也可讓使用者經由簡單的操作,手動分析以求得更適當的
結果。論文目次 摘要............................................................................................................. I
誌謝............................................................................................................II
總目錄...................................................................................................... III
圖目錄...................................................................................................... VI
符號說明................................................................................................... X
第一章 緒論.............................................................................................. 1
1-1 前言............................................................................................ 1
1-2 文獻回顧.................................................................................... 1
1-3 研究動機.................................................................................... 3
1-4 論文架構.................................................................................... 4
第二章 理論基礎...................................................................................... 5
2-1 拉伸性質.................................................................................... 5
2-1-2 工程應力-應變曲線圖................................................... 5
2-1-3 楊氏係數......................................................................... 6
2-1-4 降伏強度......................................................................... 7
2-1-5 抗拉強度......................................................................... 9
2-1-6 真實應力-應變曲線圖................................................. 10
IV
2-1-7 強度係數與應變硬化指數........................................... 12
2-2 壓縮性質.................................................................................. 13
2-2-1 壓縮試驗之性質........................................................... 13
2-3 彎曲性質.................................................................................. 15
2-3-1 彎曲試驗之性質........................................................... 15
2-4 高週疲勞.................................................................................. 18
2-4-1 S-N 曲線....................................................................... 18
2-4-2 疲勞限........................................................................... 21
2-5 低週疲勞.................................................................................. 24
2-5-1 循環應力-應變性質..................................................... 24
2-5-2 應變-壽命曲線............................................................. 26
2-6 破壞韌性.................................................................................. 28
2-6-1 裂縫型態....................................................................... 28
2-6-2 應力強度因子............................................................... 29
2-6-3 破壞韌性之求法........................................................... 30
2-7 疲勞裂縫成長.......................................................................... 35
2-7-1 疲勞裂縫成長之性質................................................... 35
2-7-2 疲勞裂縫成長速率之求法........................................... 37
第三章 程式發展.................................................................................... 40
V
3-1 拉伸、壓縮及彎曲性質.......................................................... 40
3-2 高週與低週疲勞...................................................................... 46
3-3 破壞韌性.................................................................................. 48
3-4 疲勞裂縫成長.......................................................................... 51
3-5 濾波.......................................................................................... 52
第四章 程式操作.................................................................................... 54
4-1 拉伸性質.................................................................................. 54
4-2 高週疲勞.................................................................................. 58
4-3 低週疲勞.................................................................................. 60
4-4 破壞韌性.................................................................................. 62
4-5 疲勞裂縫成長.......................................................................... 65
4-6 濾波.......................................................................................... 68
第五章 結論............................................................................................ 70
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【15】趙少汴, 王忠保, ”抗疲勞設計”, 機械工業出版社, 北京,
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【16】吳石順, 高科技之材料檢測, 全華, 台北市, 1992, pp.12~37.
【17】金屬材料之疲勞試驗法通則, CNS 4958, G2057, 1997.
【18】J. A. Collins, “Failure of Materials in Mechanical Design”, John
Wiley, New York, 1993, pp. 361~377.
【19】“Standard Recommended Practice for Constant-Amplitude
Low-Cycle Fatigue Testing”, Annual Book of ASTM Standards,
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台北市, 1999, pp. 15, 47~71.
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【24】“Standard Test Method for Measurement of Fatigue Crack Growth
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American Society for Testing and Materials, 1991, pp. 654~681指導教授 董基良(Ji-Liang Doong) 審核日期 2001-7-16 推文 facebook plurk twitter funp google live udn HD myshare reddit netvibes friend youpush delicious baidu 網路書籤 Google bookmarks del.icio.us hemidemi myshare