Corrosion behaviour of magnesium alloy AZ80 alloyed with Nd in simulated concrete pore solutions
The corrosion behaviour of Nd alloyed magnesium alloy AZ80 in three simulated concrete pore solutions (SCPs) was studied using corrosion immersion tests and electrochemical tests. The study investigated the effects of the composition and pH of the SCPs on the corrosion properties of AZ80 and AZ80-1....
| Main Authors: | , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2023-07-01
|
| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785423016101 |
| _version_ | 1797745187358769152 |
|---|---|
| author | Qi Zou Qichi Le Liang Ren Chunyan Ban Chenglu Hu Yunchang Xin Qing Liu Wenyi Hu Songhua Chen Andrej Atrens |
| author_facet | Qi Zou Qichi Le Liang Ren Chunyan Ban Chenglu Hu Yunchang Xin Qing Liu Wenyi Hu Songhua Chen Andrej Atrens |
| author_sort | Qi Zou |
| collection | DOAJ |
| description | The corrosion behaviour of Nd alloyed magnesium alloy AZ80 in three simulated concrete pore solutions (SCPs) was studied using corrosion immersion tests and electrochemical tests. The study investigated the effects of the composition and pH of the SCPs on the corrosion properties of AZ80 and AZ80-1.0Nd using aluminum alloy AA6061 as a reference. The SCP1, SCP2, and SCP3 solutions were the simulated concrete pore solutions with different carbonation stages at pH 13.5, 12.5, and 9.7 respectively. The corrosion mainly in the form of localized corrosion, developed significantly along the transverse direction, and less in the vertical direction. AZ80 and AZ80-1.0Nd exhibited the best corrosion resistance in the SCP2 solution, which was attributed to the formation of a dense protective film on the surface. The corrosion in the high alkalinity SCP1 solution was first enhanced within 12 h and then somewhat decreased within 72 h attributed to the destruction and re-formation of the surface film. AA6061 corroded severely in the SCP1 solution and suffered significantly less corrosion in the SCP2 and SCP3 solutions. Nd alloying contributed to the reduced corrosion rates of AZ80 in the simulated concrete pore solutions, attributed to changes in the microstructure and electrochemical properties. |
| first_indexed | 2024-03-12T15:19:47Z |
| format | Article |
| id | doaj.art-53e6c6ebae80401a84b9ce1cc1e099e4 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-03-12T15:19:47Z |
| publishDate | 2023-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-53e6c6ebae80401a84b9ce1cc1e099e42023-08-11T05:34:28ZengElsevierJournal of Materials Research and Technology2238-78542023-07-012559645981Corrosion behaviour of magnesium alloy AZ80 alloyed with Nd in simulated concrete pore solutionsQi Zou0Qichi Le1Liang Ren2Chunyan Ban3Chenglu Hu4Yunchang Xin5Qing Liu6Wenyi Hu7Songhua Chen8Andrej Atrens9Key Lab of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang, 110819, PR ChinaKey Lab of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang, 110819, PR ChinaKey Lab of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang, 110819, PR ChinaKey Lab of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang, 110819, PR China; Corresponding author.Key Lab of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang, 110819, PR ChinaKey Laboratory of Light-weight Materials, Nanjing Tech University, Nanjing 210009, ChinaKey Laboratory of Light-weight Materials, Nanjing Tech University, Nanjing 210009, ChinaCollege of Chemistry and Material Science, Longyan University, Longyan, China; Corresponding author.College of Chemistry and Material Science, Longyan University, Longyan, ChinaSchool of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, QLD, 4072, AustraliaThe corrosion behaviour of Nd alloyed magnesium alloy AZ80 in three simulated concrete pore solutions (SCPs) was studied using corrosion immersion tests and electrochemical tests. The study investigated the effects of the composition and pH of the SCPs on the corrosion properties of AZ80 and AZ80-1.0Nd using aluminum alloy AA6061 as a reference. The SCP1, SCP2, and SCP3 solutions were the simulated concrete pore solutions with different carbonation stages at pH 13.5, 12.5, and 9.7 respectively. The corrosion mainly in the form of localized corrosion, developed significantly along the transverse direction, and less in the vertical direction. AZ80 and AZ80-1.0Nd exhibited the best corrosion resistance in the SCP2 solution, which was attributed to the formation of a dense protective film on the surface. The corrosion in the high alkalinity SCP1 solution was first enhanced within 12 h and then somewhat decreased within 72 h attributed to the destruction and re-formation of the surface film. AA6061 corroded severely in the SCP1 solution and suffered significantly less corrosion in the SCP2 and SCP3 solutions. Nd alloying contributed to the reduced corrosion rates of AZ80 in the simulated concrete pore solutions, attributed to changes in the microstructure and electrochemical properties.http://www.sciencedirect.com/science/article/pii/S2238785423016101Magnesium alloyNd alloyingSimulated concrete pore solutionElectrochemical behaviourCorrosion resistance |
| spellingShingle | Qi Zou Qichi Le Liang Ren Chunyan Ban Chenglu Hu Yunchang Xin Qing Liu Wenyi Hu Songhua Chen Andrej Atrens Corrosion behaviour of magnesium alloy AZ80 alloyed with Nd in simulated concrete pore solutions Journal of Materials Research and Technology Magnesium alloy Nd alloying Simulated concrete pore solution Electrochemical behaviour Corrosion resistance |
| title | Corrosion behaviour of magnesium alloy AZ80 alloyed with Nd in simulated concrete pore solutions |
| title_full | Corrosion behaviour of magnesium alloy AZ80 alloyed with Nd in simulated concrete pore solutions |
| title_fullStr | Corrosion behaviour of magnesium alloy AZ80 alloyed with Nd in simulated concrete pore solutions |
| title_full_unstemmed | Corrosion behaviour of magnesium alloy AZ80 alloyed with Nd in simulated concrete pore solutions |
| title_short | Corrosion behaviour of magnesium alloy AZ80 alloyed with Nd in simulated concrete pore solutions |
| title_sort | corrosion behaviour of magnesium alloy az80 alloyed with nd in simulated concrete pore solutions |
| topic | Magnesium alloy Nd alloying Simulated concrete pore solution Electrochemical behaviour Corrosion resistance |
| url | http://www.sciencedirect.com/science/article/pii/S2238785423016101 |
| work_keys_str_mv | AT qizou corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions AT qichile corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions AT liangren corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions AT chunyanban corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions AT chengluhu corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions AT yunchangxin corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions AT qingliu corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions AT wenyihu corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions AT songhuachen corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions AT andrejatrens corrosionbehaviourofmagnesiumalloyaz80alloyedwithndinsimulatedconcreteporesolutions |