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題 名 | 氫誘裂對高張力鋼機械性質的影響=A Study on Mechanical Properties of Hydrogen Induced Cracking High Tension Steel |
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作 者 | 溫東成; 許正勳; 施議訓; | 書刊名 | 中華技術學院學報 |
卷 期 | 29 2003.12[民92.12] |
頁 次 | 頁93-104 |
分類號 | 440.365 |
關鍵詞 | 氫誘裂; 高張力鋼; 破裂韌性; Hydrogen-induced cracking; High tension steel; Fracture toughness; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究探討LPG槽常用之SPV-50Q高張力鋼板長時期使用後的顯微組織及韌性變化。研究過程針對SPV-500Q鋼板原材及受到氫誘裂的球槽已用材,分別取垂直與平行於裂縫方向之試片,進行破裂韌性測試,並輔以抗拉試驗及衝擊試驗,以瞭解受到氫誘裂後SPV-50Q鋼材的機械性質變化情形。實驗結果顯示,原材受方方向與滾軋方向垂直時,拉伸強度、衝擊韌性、破裂韌性皆低於受方方向和滾軋平行者,受劣化後之鋼材,垂直和平行滾軋方向的拉伸強度與破裂韌性?則相差不大,說明受到氫誘裂後之鋼材,機械性質有一定程度劣化,此時其滾軋方向已不是影響破斷之主要因素。 |
英文摘要 | This research is to study the fracture toughness behavior of SPV-50Q high tension steel in LPG pressure vessel. The as-received SPV-50Q steel, as well as the steel that has been subjected to hydrogen-induced cracking, will be investigated. The orientation of the fracture toughness specimen will be selected such that the fracture toughness data. It is hoped that at the completion of this research the extend of deterioration in the mechanical properties of the LPG SPV-50Q steel vessel before and after HIC attack will be more clearly understood. This will provide some valuable date base for material safety in LPG pressure vessel. |
本系統中英文摘要資訊取自各篇刊載內容。