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題名 | A Case Study of an Applied Failure Analysis for Small Size Diesel Engine=小型柴油引擎機件斷裂原因的個案研究 |
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作者 | 顏克家; 吳基榮; Yen, Ka-chair; Wu, Kee-rong; |
期刊 | 國立高雄海專學報 |
出版日期 | 19970400 |
卷期 | 12 1997.04[民86.04] |
頁次 | 頁3-16 |
分類號 | 444.7 |
語文 | eng |
關鍵詞 | 柴油引擎; 斷裂分析; 斷裂機構; 疲勞斷裂; 衝擊磨損; Diesel engine; Failure analysis; fracture mechanism; Impact wear; |
中文摘要 | 利用材料的斷裂分析,來調查兩部同型小丑迆油引擎的重大故障,導致機件斷裂 的原因。分析一個已知的機件斷裂原因,所依賴的是鑑定它的相關斷裂機構,其重點在於找 尋真正的龜裂源,應避免搜尋因二次破壞所引起的全部斷裂件。從已知的龜裂源及其斷裂機 構,真正的肇因便可獲得。利用宏觀方式檢驗斷裂面,來標定龜裂源並描述斷裂面的特徵。 從收集、歸類各類斷裂面的蜘絲馬跡,進而判斷可能的龜裂源,故障肇因便可獲得。因二次 破壞所引起的斷裂,亦可從龜裂源區隔出來。 |
英文摘要 | An applied failure analysis is adopted to investigate two cases of cat astrophic failures of small size Diesel engines. Since a key element in analyzi ng a given failure lies in identifying the crack of origin and mechanism, it is necessary to focus most of attention on the small crack origin zone rather tha n the vast areas associated with rapid unstable fracture. The root cause of failure can be revealed by the known crack of origin and failure mechanism. Macroscopic fracture surface examination is taken to locate the crack of origin, characterize the texture of the fracture surface. By organizing the facts together, the root cause is logically identified. Consequently, the secondary failure is then clarified. |
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