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題 名 | The Relationships between the Crack-tip Stress Fields and the CreepCrack Growth Rates=裂縫端應力域與潛變裂縫生長率之關係 |
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作 者 | 劉慶雄; | 書刊名 | 中正嶺學報 |
卷 期 | 21:2 1993.01[民82.01] |
頁 次 | 頁81-89 |
分類號 | 440.23 |
關鍵詞 | 潛變裂縫生長率; 應力; 平面應變; 模式一破壞; 小尺度潛變; 應力強度因數; 潛變裂縫生長; Creep crack growth; Plane strain; Mode i fracture; Small-scale-creep; Stress intensity factors; |
語 文 | 英文(English) |
中文摘要 | 潛變裂縫生長機制非常神祕複雜,文獻中之相關研究亦不多見。因此, 迄今許多問題仍屬未知;其中尤以潛變裂縫走勢之變化為然。本文旨在從裂縫端 前應力域及其演變角度,藉前人研究潛變裂縫生長所得之數值解,闡釋潛變裂縫 生長變化之緣由,使潛變裂縫生長能被進一步瞭解。本文對潛變裂縫生長與裂縫 端前應力域及其演變間之關係有精確描述。 |
英文摘要 | The mechanism of creep crack growth is very complicated and mysterious and not manypapers in regard to these subjects can be found. Therefore, a lot of questions still remainunknown and the most typical one is why the creep crack growth history varies. Based onthe numerical results of different creep crack growth rates obtained by some researchers [1],the author tries to interpret how the creep crack grows from the viewpoint of the crack-tipstress fields and their evolutions in this paper, so that the creep crack growth can be furtherunderstood. The relationships between creep crack growth and the crack-tip stress fieldsare precisely obatined. |
本系統中英文摘要資訊取自各篇刊載內容。