研究生: |
許凱翔 HSEI, KAI-SHAN |
---|---|
論文名稱: |
多種材料熱應力奇異性之實驗探討 EXPERIMENTAL INVESTIGATION ON THERMAL STRESS SINGULARITY OF MULTI-MATERIALS |
指導教授: |
王偉中
WANG, WEI-CHUNG |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
工學院 - 動力機械工程學系 Department of Power Mechanical Engineering |
論文出版年: | 2001 |
畢業學年度: | 89 |
語文別: | 中文 |
論文頁數: | 84 |
中文關鍵詞: | 光彈法 、多種材料 、應力奇異性 、應力強度因子 、強力矩陣 、轉換矩陣 |
相關次數: | 點閱:2 下載:0 |
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本文主要是以光彈法配合林欣衛所提出之強力矩陣(POWER MATRIX MOTHD, PMM)以及轉換矩陣法(GENERAL TRANSFER MATRIX METHOD, GTMM)探討多種材料的連接以及楔角結構受熱負載時的應力奇異性,近一步更探討加熱暫態光彈條紋的變化,並以林欣衛之理論倒畫出應力場之光彈條紋圖與實驗影像作一驗證比較,探討理論在工程上的應用性。
令外,本文中也將林欣衛所提出應力強度因子以極座標畫出,全方位探討應力強度因子的分佈與其物理意義,且由應力強度因子的極座標分佈圖進一步可將多種材料結構中破裂模式的分離。對於暫態的變化,以應力強度因子的極座標分佈圖和應力強度因子隨時間變化圖討論加熱過程中破裂模式的變化與消長。
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