最新色国产精品精品视频,中文字幕日韩一区二区不卡,亚洲有码转帖,夜夜躁日日躁狠狠久久av,中国凸偷窥xxxx自由视频

+高級檢索
Kinetics of Hydrogen Absorption in Ti-V-Cr Burn-Resistant Alloy
DOI:
作者:
作者單位:

作者簡介:

通訊作者:

中圖分類號:

基金項目:


Kinetics of Hydrogen Absorption in Ti-V-Cr Burn-Resistant Alloy
Author:
Affiliation:

Fund Project:

National Defence “973” Project (2007CB613807)

  • 摘要
    • |
  • 圖/表
    • |
  • 訪問統(tǒng)計
    • |
  • 參考文獻
    • |
  • 相似文獻
    • |
  • 引證文獻
    • |
  • 資源附件
    • |
  • 文章評論
    摘要:

    研究Ti40合金在550～700 °C溫度區(qū)間的吸氫動力學(xué)，初始氫壓為15.88~45.88 kPa。研究表明，Ti40合金初始吸氫溫度為515 °C，吸氫時達到平衡所需的時間隨著溫度和初始氫壓的增加而縮短，而吸氫速率和平衡氫壓隨著溫度和初始氫壓的增加而增加。在低溫時，吸氫過程包括3個階段：Ⅰ孕育期，Ⅱ第1吸氫階段和Ⅲ第2吸氫階段。在相同溫度下，不同階段的速率常數(shù)遵循以下關(guān)系：kⅡ＞kⅠ＞kⅢ。在相同階段，速率常數(shù)隨溫度的升高而增大。吸氫過程中第1和第2吸氫階段的激活能分別為73.3和 29.6 kJ/mol。第2吸氫階段的速率控制步驟為氫在β-Ti中的擴散

    Abstract:

    The hydrogen absorption kinetics of Ti40 alloy was studied in the temperature range of 550-700 °C and the pressure range of 15.88-45.88 kPa. The initial temperature of hydrogen absorption for Ti40 alloy is 515 °C. With the increase of temperature and initial hydrogen pressure, the time to reach the equilibrium condition becomes shorter, while hydrogen absorption rate and equilibrium hydrogen pressure increase. At low temperature, the process of hydrogen absorption consists of three stages: Ⅰincubation stage, Ⅱ the first absorption stage and Ⅲ the second absorption stage. At the same temperature, the rate constants at different stages follow the relation: kⅡ＞kⅠ＞kⅢ. At the same stage, the rate constants increase with the increase of temperature. The activation energy of the first and second absorption stage are 73.3 kJ/mol and 29.6 kJ/mol, respectively. The rate controlling step at the second absorption stage is the hydrogen diffusion in β-Ti

    參考文獻
    相似文獻
    引證文獻
引用本文

王小麗,趙永慶,王耀奇,侯洪亮,曾衛(wèi)東. Kinetics of Hydrogen Absorption in Ti-V-Cr Burn-Resistant Alloy[J].稀有金屬材料與工程,2011,40(9):1514~1518.[Wang Xiaoli, Zhao Yongqing, Wang Yaoqi, Hou Hongliang, Zeng Weidong. Kinetics of Hydrogen Absorption in Ti-V-Cr Burn-Resistant Alloy[J]. Rare Metal Materials and Engineering,2011,40(9):1514~1518.]
DOI：[doi]

復(fù)制
文章指標
  • 點擊次數(shù):
  • 下載次數(shù):
  • HTML閱讀次數(shù):
  • 引用次數(shù):
歷史
  • 收稿日期:2010-09-12
  • 最后修改日期:
  • 錄用日期:
  • 在線發(fā)布日期:
  • 出版日期: