M&M材料力学カンファレンス
Online ISSN : 2424-2845
セッションID: OS1911
会議情報
OS1911 異なる疲労機構に基づくシリコン微小構造物の寿命評価モデルの比較
平川 創泉 隼人生津 資大神谷 庄司
著者情報
会議録・要旨集 フリー

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抄録
In this paper, fatigue lifetime prediction models based on time dependent and cycle dependent mechanisms were compared. Their theoretical backgrounds are stress corrosion cracking (SCC) for the former model and dislocation for the latter. The models were fitted to the experimental results with single crystal silicon specimen carried out at different frequencies. The stress-lifetime curves based on SCC theory appeared in two groups of respective testing frequencies. On the other hand, the curves based on dislocation theory were almost identical regardless of frequency. These results suggest that dislocation is more likely mechanism for fatigue rather than SCC.
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© 2012 一般社団法人 日本機械学会
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