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    題名: 漣漪差排形成機制
    其他題名: Formation and annealing mechanism of ripple dislocations
    作者: 劉奎佑;Liu, Kwei-You
    貢獻者: 淡江大學機械與機電工程學系碩士班
    林清彬;Lin, Ching-Bing
    關鍵詞: 漣漪差排;退火;形成;消滅;Ripple dislocation;Annealing;Formation;Elimination
    日期: 2011
    上傳時間: 2011-12-28 19:12:57 (UTC+8)
    摘要: 將聚二甲基矽氧烷薄膜給予一固定拉伸應變後,將金濺鍍在薄膜上,經應變回復後,在薄膜上形成漣漪結構。在薄膜形成漣漪結構過程中,由於薄膜各處之回復應力大小和方向不同,產生不同調的漣漪結構排向需藉由漣漪差排來緩和,以降低系統自由能。該漣漪差排可藉由退火處理,驅使漣漪差排產生滑移或爬升運動,使得正負刃漣漪差排相遇後復合,或藉由漣漪差排爬升到排向表面裂縫處消失,因而降低漣漪差排數量。
    The compressively stressed elastomer (PDMS film) with sputtered gold can be buckled and thus produced a ripple structure, in comparing the difference of toughness between PDMS film and gold. The instability of stress was observed on the interface between materials with different Young’s modules. During the process of forming the ripple structure, there will be the ripple dislocations, the cracks and the oriented surface cracks simultaneously appearing within the ripple structure. This study also purposed the formation mechanism of the ripple dislocation and explored annihilation methodologies of the ripple dislocation using various annealing treatment.
    顯示於類別:[機械與機電工程學系暨研究所] 學位論文

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