引用本文:
李党国, 冯耀荣, 白真权, 郑茂盛. X80管线钢钝化膜内点缺陷扩散系数的计算[J]. 应用化学,
2008, 25(9): 1007-1010.
Citation: LI Dang-Guo, FENG Yao-Rong, BAI Zhen-Quan, ZHENG Mao-Sheng. Calculation of Diffusivity of Point Defects in Passive film Formed on X80 Pipeline Steel[J]. Chinese Journal of Applied Chemistry, 2008, 25(9): 1007-1010.
Citation: LI Dang-Guo, FENG Yao-Rong, BAI Zhen-Quan, ZHENG Mao-Sheng. Calculation of Diffusivity of Point Defects in Passive film Formed on X80 Pipeline Steel[J]. Chinese Journal of Applied Chemistry, 2008, 25(9): 1007-1010.
X80管线钢钝化膜内点缺陷扩散系数的计算
English
Calculation of Diffusivity of Point Defects in Passive film Formed on X80 Pipeline Steel
Abstract:
The diffusivity of point defects in the passive film formed on X80 pipeline steel in simulated soil environment was calculated by means of capacitance measurement and point defect model(PDM).The calculated result was testified by experimental steady current density and PDM.Two calculated results all show that the order of magnitude of diffusivity is about 1×10-17 cm2/s.
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Key words:
- X80 pipeline steel
- / diffusivity
- / point defect model
- / passive film
- / capacitance measurement
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