2S/CO2分壓環(huán)境下的臨界點蝕溫度。結(jié)果表明,利用恒電位極化技術(shù)測試G3合金在高溫高H2S/CO2分壓環(huán)境下的臨界點蝕溫度為58.5℃,而利用EIS方法測試得到G3合金在模擬環(huán)境下的臨界點蝕溫度在50-60℃之間,分別利用恒電位極化和EIS方法測試所得G3合金在模擬環(huán)境下的的臨界點蝕溫度基本一致。"/>

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G3合金在高溫高H2S/CO2環(huán)境下臨界點蝕溫度研究
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北京科技大學(xué)新材料技術(shù)研究院,北京科技大學(xué)新材料技術(shù)研究院,北京科技大學(xué)新材料技術(shù)研究院,北京科技大學(xué)新材料技術(shù)研究院,北京科技大學(xué)新材料技術(shù)研究院,北京科技大學(xué)新材料技術(shù)研究院

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TG174.2

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國家自然科學(xué)基金(項目號51271025)和北京市青年英才計劃資助


Study of Critical Pitting Temperature (CPT) of G3 Alloy under High Temperature and High H2S/CO2 Pressure Environments
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Institute of Advanced Materials and Technology,University of Science and Technology Beijing,Institute of Advanced Materials and Technology,University of Science and Technology Beijing,Institute of Advanced Materials and Technology,University of Science and Technology Beijing,Institute of Advanced Materials and Technology,University of Science and Technology Beijing,Institute of Advanced Materials and Technology,University of Science and Technology Beijing,Institute of Advanced Materials and Technology,University of Science and Technology Beijing

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    摘要:

    利用恒電位極化和EIS技術(shù)研究G3合金在高溫高H2S/CO2分壓環(huán)境下的臨界點蝕溫度。結(jié)果表明,利用恒電位極化技術(shù)測試G3合金在高溫高H2S/CO2分壓環(huán)境下的臨界點蝕溫度為58.5℃,而利用EIS方法測試得到G3合金在模擬環(huán)境下的臨界點蝕溫度在50-60℃之間,分別利用恒電位極化和EIS方法測試所得G3合金在模擬環(huán)境下的的臨界點蝕溫度基本一致。

    Abstract:

    In this study, critical pitting temperature (CPT) of G3 alloy under high temperature and high H2S/CO2 pressure environments was assessed using potentiostatic and electrochemical impedance spectroscopy (EIS) techniques. EIS measurements were carried at anodic potential of 150 mV vs. Ecorr and the results were compared with those of potentiostatic polarisation. The results revealed that the CPT of G3 Alloy under high temperature and high H2S/CO2 pressure environments was 58.5 oC in potentiostatic method and between 50-60 oC in EIS method. Both potentiostatic polarization and EIS methods give an almost identical CPT value.

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李大朋,張雷,岳小琪,劉建蒼,王竹,路民旭. G3合金在高溫高H2S/CO2環(huán)境下臨界點蝕溫度研究[J].稀有金屬材料與工程,2017,46(8):2144~2148.[Li Dapeng, Zhang Lei, Yue Xiaoqi, Liu Jiancang, Wang Zhu, Lu Minxu. Study of Critical Pitting Temperature (CPT) of G3 Alloy under High Temperature and High H2S/CO2 Pressure Environments[J]. Rare Metal Materials and Engineering,2017,46(8):2144~2148.]
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  • 收稿日期:2016-06-24
  • 最后修改日期:2016-10-30
  • 錄用日期:2016-11-11
  • 在線發(fā)布日期: 2017-11-16
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