全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

管线钢在含H2S的NaCl溶液中氢渗透行为的研究

, PP. 317-319

Keywords: 氢渗透,管线钢,扩散系数

Full-Text   Cite this paper   Add to My Lib

Abstract:

通过电化学渗氢技术研究了施加不同阴极电位条件下含不同H2S浓度的3.5%NaCl溶液中X70管线钢的氢渗透行为.结果表明,稳态渗氢电流P∞随H2S浓度的增大而逐渐增大,但一定时间内,渗透过试样的氢原子摩尔数并不随之单调增加;氢原子的渗透受到阴极电位的控制,阴极电位越负,渗氢电流越大;在一定电位范围内,稳态渗氢电流P∞和一定时间内渗透过试样的氢原子摩尔数N与阴极电位呈线性关系.扩散系数与试验条件无关.

References

[1]  DDevnathan M A V,Stachurski Z.A technique for the evaluationof hydrogen embrittlement characteristics of electroplating baths[J].J Electrochem Soc,1963,110(8):886.
[2]  YYanliang Huang,Akira Nakajima,Atsushi Nishikata et al.Effectof mechanical deformation on permeation of hydrogen in iron[J].ISIJ international,2003,43:548.
[3]  BBerkowitz B J,Horowitz H H.The role of H2S in the corrosionand hydrogen embrittlement of steel[J].J.Electrochem Soc,1982,129:468.
[4]  BBockris J OM,McBreen J,Nanis L.The hydrogen evolution ki-netics and hydrogen entry into-αiron[J].J.Electrochem Soc,1965,112:1025.
[5]  WWilliam H.Thomason.Quantitative measurement of hydrogencharging rates into steel surfaces exposed to seawater undervarying cathodic protection levels[J].MP,1988,27:63.t
[6]  MMargot-Marette H,Bardou G,Charbonnier J C.The applicationof the slow strain rate test method for the development oflinepipe steels resistant to sulphide stress cracking[J].CorrosSci,1987,27:1009.
[7]  EErlings J G,de groot H W,Nauta J.The effect of slow plasticand elastic straining on sulphide stress cracking and hydrogenembrittlement of 3.5%Ni steel and API 5L X60 pipeline steel[J].Corros Sci,1987,27:1153.
[8]  GGB17378.4-1998.海洋监测规范第4部分:海水分析[S].

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133