查詢結果分析
來源資料
頁籤選單縮合
題 名 | Hydrogen Trapping Ability of Steels with Different Microstructures=不同微觀組織鋼材之氫補集能力研究 |
---|---|
作 者 | 陳立業; | 書刊名 | 中國工程學刊 |
卷 期 | 22:1 1999.01[民88.01] |
頁 次 | 頁43-53 |
分類號 | 440.365 |
關鍵詞 | 鋼鐵; 微觀組織; 氫補捉能力; 氫有效擴散係數; Steels; Microstructures; Hydrogen trapping ability; Effective hydrogen diffusivity; |
語 文 | 英文(English) |
中文摘要 | 本文探討在不同微觀組織的鋼鐵,其氫捕捉位置及氫有效擴散係數研究的微觀組 織包括了純鐵,肥粒鐵 / 波來鐵組織,麻田散鐵組織等。 實驗結果顯示,鋼鐵之氫含量與 其晶粒大小有很大的關係。一般而言,相變態溫度越低,其微觀組織的氫捕捉能力就越高。 所以麻田散鐵有高的氫含量,及最低的氫有效擴散係數。就算經過高溫去氫,這樣微觀組織 仍然保留大部分的氫。但如果在充氫前把麻田散鐵做回火處理,將使含氫量大大降低。本文 亦對鋼鐵碳含量之影響作一報告。 |
英文摘要 | The effects of microstructure on the hydrogen trapping ability and effective diffusivity in steels with different carbon content have been studied. The sites for trapping hydrogen in pure iron, ferrite/pearlite steel, and the martensitic structure etc. have been identified. The hydrogen pick-up was generally increased with the amount of grain boundary area in the steel. The hydrogen content of a steel after hydrogen charging increases and its hydrogen apparent diffusivity decreases, with a lowering of the transformation temperature. Thus a fully martensitic structure occludes the largest amount of hydrogen and possesses the lowest hydrogen apparent diffusivity. This microstructure retains a large portion of hydrogen even after high temperature outgassing. However, the hydrogen content reduces when the martensitic structure is tempered before charging. The effect of carbon content of the steel on the hydrogen occlusivity will also be discussed. |
本系統中英文摘要資訊取自各篇刊載內容。