靳晓坤,徐乐,尉文超,姚可夫,时捷,王毛球.含复合(Ti,Mo)C析出相的马氏体钢的氢捕获与解吸附[J].稀有金属材料与工程,2020,49(6):1901~1906.[jinxiaokun,xule,yuwenchao,yaokefu,shijie,wangmaoqiu.Hydrogen trapping and desorption in a martensitic steel with mixed (Ti,Mo)C precipitates[J].Rare Metal Materials and Engineering,2020,49(6):1901~1906.]
含复合(Ti,Mo)C析出相的马氏体钢的氢捕获与解吸附
投稿时间:2019-02-25  修订日期:2019-03-04
中文关键词:  马氏体钢  (Ti,Mo)C析出相  氢陷阱  热脱氢分析
基金项目:国家重点研发项目(2016YFB0300104, 2016YFB0300102, 2017YFB0304802)
中文摘要:
      采用热脱氢分析装置 (TDS) 研究了含复合 (Ti,Mo)C析出相的马氏体钢的氢的捕获与解吸附行为。结果表明,36-60 nm的未溶球形(Ti,Mo)复合析出相在室温电化学充氢过程中不能捕获氢,而回火析出的1-5 nm的复合 (Ti,Mo)C析出相是有效的氢陷阱,尽管其氢陷阱激活能相对较低,为16.4-22.1 kJ/mol,与晶界、位错处的氢陷阱激活能相近,同时远低于纯的共格TiC析出相的氢陷阱激活能,但在大气中放置时,被回火析出的1-5 nm的复合 (Ti,Mo)C析出相捕获的氢无法解吸。
Hydrogen trapping and desorption in a martensitic steel with mixed (Ti,Mo)C precipitates
英文关键词:martensitic steel  (Ti,Mo)C precipitates  hydrogen trapping  thermal desorption spectrometry
英文摘要:
      Hydrogen trapping and desorption in a martensitic steel with mixed (Ti,Mo)C precipitates have been investigated by means of Thermal Desorption Spectrometry (TDS) analysis. Results indicated that the spherical (Ti,Mo)C precipitates of 36-60 nm could not absorb hydrogen during electrochemical charging, while the (Ti,Mo)C precipitates of 1-5 nm were effective hydrogen trapping sites. In spite of a relatively low desorption activation energy of 16.4 kJ/mol, which is far lower than that from pure coherent TiC, the hydrogen trapped by the fine (Ti,Mo)C carbides could not desorb during atmospheric exposure.
作者单位E-mail
靳晓坤 钢铁研究总院特钢所 2545835925@qq.com 
徐乐 钢铁研究总院特钢所 xule@nercast.com 
尉文超 钢铁研究总院特钢所 yuwenchao@nercast.com 
姚可夫 清华大学材料学院 kfyao@tsinghua.edu.cn 
时捷 钢铁研究总院特钢所 shijie@nercast.com 
王毛球 钢铁研究总院特钢所 maoqiuwang@hotmail.com 
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