Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution
The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl...
Ausführliche Beschreibung
Autor*in: |
Jiang, Yumiao [verfasserIn] Liu, Yingxue [verfasserIn] Gao, Shuai [verfasserIn] Guo, Xugeng [verfasserIn] Zhang, Jinglai [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Übergeordnetes Werk: |
Enthalten in: Journal of molecular liquids - New York, NY [u.a.] : Elsevier, 1983, 345 |
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Übergeordnetes Werk: |
volume:345 |
DOI / URN: |
10.1016/j.molliq.2021.116998 |
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Katalog-ID: |
ELV007220634 |
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245 | 1 | 0 | |a Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution |
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520 | |a The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [DMIm][NTf2] was explored by using electrochemical measurements coupled with theoretical computations. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for the evaluation of the corrosion results. The present results reveal that the inhibition efficiency of three ILs on the Mg alloy follows the order: [DMIm][NTf2] > [HMIm][NTf2] > [EMIm][NTf2]. This indicates that [DMIm][NTf2] exhibits the best inhibition performance among these ILs studied, which may be ascribed to the largest steric body of [DMIm][NTf2] with respect to other two analogues, thus leading to a highest surface coverage. In addition, adsorptions of all studied ILs obey the Langmuir isotherm with the character of dominantly chemical adsorption. Finally, the possible corrosive products were estimated and the inhibition mechanism was suggested. | ||
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650 | 4 | |a Ionic liquids | |
650 | 4 | |a Magnesium alloys | |
650 | 4 | |a Inhibition mechanism | |
650 | 4 | |a Density functional theory | |
700 | 1 | |a Liu, Yingxue |e verfasserin |4 aut | |
700 | 1 | |a Gao, Shuai |e verfasserin |4 aut | |
700 | 1 | |a Guo, Xugeng |e verfasserin |4 aut | |
700 | 1 | |a Zhang, Jinglai |e verfasserin |4 aut | |
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10.1016/j.molliq.2021.116998 doi (DE-627)ELV007220634 (ELSEVIER)S0167-7322(21)01722-0 DE-627 ger DE-627 rda eng 540 DE-600 35.21 bkl Jiang, Yumiao verfasserin aut Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [DMIm][NTf2] was explored by using electrochemical measurements coupled with theoretical computations. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for the evaluation of the corrosion results. The present results reveal that the inhibition efficiency of three ILs on the Mg alloy follows the order: [DMIm][NTf2] > [HMIm][NTf2] > [EMIm][NTf2]. This indicates that [DMIm][NTf2] exhibits the best inhibition performance among these ILs studied, which may be ascribed to the largest steric body of [DMIm][NTf2] with respect to other two analogues, thus leading to a highest surface coverage. In addition, adsorptions of all studied ILs obey the Langmuir isotherm with the character of dominantly chemical adsorption. Finally, the possible corrosive products were estimated and the inhibition mechanism was suggested. Green inhibitor Ionic liquids Magnesium alloys Inhibition mechanism Density functional theory Liu, Yingxue verfasserin aut Gao, Shuai verfasserin aut Guo, Xugeng verfasserin aut Zhang, Jinglai verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 345 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:345 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2807 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.21 Lösungen Flüssigkeiten Physikalische Chemie AR 345 |
spelling |
10.1016/j.molliq.2021.116998 doi (DE-627)ELV007220634 (ELSEVIER)S0167-7322(21)01722-0 DE-627 ger DE-627 rda eng 540 DE-600 35.21 bkl Jiang, Yumiao verfasserin aut Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [DMIm][NTf2] was explored by using electrochemical measurements coupled with theoretical computations. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for the evaluation of the corrosion results. The present results reveal that the inhibition efficiency of three ILs on the Mg alloy follows the order: [DMIm][NTf2] > [HMIm][NTf2] > [EMIm][NTf2]. This indicates that [DMIm][NTf2] exhibits the best inhibition performance among these ILs studied, which may be ascribed to the largest steric body of [DMIm][NTf2] with respect to other two analogues, thus leading to a highest surface coverage. In addition, adsorptions of all studied ILs obey the Langmuir isotherm with the character of dominantly chemical adsorption. Finally, the possible corrosive products were estimated and the inhibition mechanism was suggested. Green inhibitor Ionic liquids Magnesium alloys Inhibition mechanism Density functional theory Liu, Yingxue verfasserin aut Gao, Shuai verfasserin aut Guo, Xugeng verfasserin aut Zhang, Jinglai verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 345 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:345 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2807 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.21 Lösungen Flüssigkeiten Physikalische Chemie AR 345 |
allfields_unstemmed |
10.1016/j.molliq.2021.116998 doi (DE-627)ELV007220634 (ELSEVIER)S0167-7322(21)01722-0 DE-627 ger DE-627 rda eng 540 DE-600 35.21 bkl Jiang, Yumiao verfasserin aut Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [DMIm][NTf2] was explored by using electrochemical measurements coupled with theoretical computations. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for the evaluation of the corrosion results. The present results reveal that the inhibition efficiency of three ILs on the Mg alloy follows the order: [DMIm][NTf2] > [HMIm][NTf2] > [EMIm][NTf2]. This indicates that [DMIm][NTf2] exhibits the best inhibition performance among these ILs studied, which may be ascribed to the largest steric body of [DMIm][NTf2] with respect to other two analogues, thus leading to a highest surface coverage. In addition, adsorptions of all studied ILs obey the Langmuir isotherm with the character of dominantly chemical adsorption. Finally, the possible corrosive products were estimated and the inhibition mechanism was suggested. Green inhibitor Ionic liquids Magnesium alloys Inhibition mechanism Density functional theory Liu, Yingxue verfasserin aut Gao, Shuai verfasserin aut Guo, Xugeng verfasserin aut Zhang, Jinglai verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 345 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:345 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2807 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.21 Lösungen Flüssigkeiten Physikalische Chemie AR 345 |
allfieldsGer |
10.1016/j.molliq.2021.116998 doi (DE-627)ELV007220634 (ELSEVIER)S0167-7322(21)01722-0 DE-627 ger DE-627 rda eng 540 DE-600 35.21 bkl Jiang, Yumiao verfasserin aut Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [DMIm][NTf2] was explored by using electrochemical measurements coupled with theoretical computations. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for the evaluation of the corrosion results. The present results reveal that the inhibition efficiency of three ILs on the Mg alloy follows the order: [DMIm][NTf2] > [HMIm][NTf2] > [EMIm][NTf2]. This indicates that [DMIm][NTf2] exhibits the best inhibition performance among these ILs studied, which may be ascribed to the largest steric body of [DMIm][NTf2] with respect to other two analogues, thus leading to a highest surface coverage. In addition, adsorptions of all studied ILs obey the Langmuir isotherm with the character of dominantly chemical adsorption. Finally, the possible corrosive products were estimated and the inhibition mechanism was suggested. Green inhibitor Ionic liquids Magnesium alloys Inhibition mechanism Density functional theory Liu, Yingxue verfasserin aut Gao, Shuai verfasserin aut Guo, Xugeng verfasserin aut Zhang, Jinglai verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 345 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:345 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2807 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.21 Lösungen Flüssigkeiten Physikalische Chemie AR 345 |
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10.1016/j.molliq.2021.116998 doi (DE-627)ELV007220634 (ELSEVIER)S0167-7322(21)01722-0 DE-627 ger DE-627 rda eng 540 DE-600 35.21 bkl Jiang, Yumiao verfasserin aut Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [DMIm][NTf2] was explored by using electrochemical measurements coupled with theoretical computations. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for the evaluation of the corrosion results. The present results reveal that the inhibition efficiency of three ILs on the Mg alloy follows the order: [DMIm][NTf2] > [HMIm][NTf2] > [EMIm][NTf2]. This indicates that [DMIm][NTf2] exhibits the best inhibition performance among these ILs studied, which may be ascribed to the largest steric body of [DMIm][NTf2] with respect to other two analogues, thus leading to a highest surface coverage. In addition, adsorptions of all studied ILs obey the Langmuir isotherm with the character of dominantly chemical adsorption. Finally, the possible corrosive products were estimated and the inhibition mechanism was suggested. Green inhibitor Ionic liquids Magnesium alloys Inhibition mechanism Density functional theory Liu, Yingxue verfasserin aut Gao, Shuai verfasserin aut Guo, Xugeng verfasserin aut Zhang, Jinglai verfasserin aut Enthalten in Journal of molecular liquids New York, NY [u.a.] : Elsevier, 1983 345 Online-Ressource (DE-627)302469664 (DE-600)1491496-7 (DE-576)259483915 1873-3166 nnns volume:345 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2807 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.21 Lösungen Flüssigkeiten Physikalische Chemie AR 345 |
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Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution |
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Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution |
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Jiang, Yumiao |
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Journal of molecular liquids |
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Jiang, Yumiao Liu, Yingxue Gao, Shuai Guo, Xugeng Zhang, Jinglai |
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Jiang, Yumiao |
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10.1016/j.molliq.2021.116998 |
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540 |
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title_sort |
experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution |
title_auth |
Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution |
abstract |
The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [DMIm][NTf2] was explored by using electrochemical measurements coupled with theoretical computations. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for the evaluation of the corrosion results. The present results reveal that the inhibition efficiency of three ILs on the Mg alloy follows the order: [DMIm][NTf2] > [HMIm][NTf2] > [EMIm][NTf2]. This indicates that [DMIm][NTf2] exhibits the best inhibition performance among these ILs studied, which may be ascribed to the largest steric body of [DMIm][NTf2] with respect to other two analogues, thus leading to a highest surface coverage. In addition, adsorptions of all studied ILs obey the Langmuir isotherm with the character of dominantly chemical adsorption. Finally, the possible corrosive products were estimated and the inhibition mechanism was suggested. |
abstractGer |
The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [DMIm][NTf2] was explored by using electrochemical measurements coupled with theoretical computations. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for the evaluation of the corrosion results. The present results reveal that the inhibition efficiency of three ILs on the Mg alloy follows the order: [DMIm][NTf2] > [HMIm][NTf2] > [EMIm][NTf2]. This indicates that [DMIm][NTf2] exhibits the best inhibition performance among these ILs studied, which may be ascribed to the largest steric body of [DMIm][NTf2] with respect to other two analogues, thus leading to a highest surface coverage. In addition, adsorptions of all studied ILs obey the Langmuir isotherm with the character of dominantly chemical adsorption. Finally, the possible corrosive products were estimated and the inhibition mechanism was suggested. |
abstract_unstemmed |
The corrosion inhibition behavior for the AZ31B Mg alloy in 0.5 wt% NaCl solution by three imidazolium-based ionic liquids (ILs), namely 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [EMIm][NTf2], 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [HMIm][NTf2], and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide [DMIm][NTf2] was explored by using electrochemical measurements coupled with theoretical computations. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for the evaluation of the corrosion results. The present results reveal that the inhibition efficiency of three ILs on the Mg alloy follows the order: [DMIm][NTf2] > [HMIm][NTf2] > [EMIm][NTf2]. This indicates that [DMIm][NTf2] exhibits the best inhibition performance among these ILs studied, which may be ascribed to the largest steric body of [DMIm][NTf2] with respect to other two analogues, thus leading to a highest surface coverage. In addition, adsorptions of all studied ILs obey the Langmuir isotherm with the character of dominantly chemical adsorption. Finally, the possible corrosive products were estimated and the inhibition mechanism was suggested. |
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title_short |
Experimental and theoretical studies on corrosion inhibition behavior of three imidazolium-based ionic liquids for magnesium alloys in sodium chloride solution |
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Liu, Yingxue Gao, Shuai Guo, Xugeng Zhang, Jinglai |
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up_date |
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