- CUI Xia
CUI Xia
School of Materials Science and Technology,Nanjing University of Aeronautics and Astronautics
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Search for this author on this site - ZHOU Xian-liang
ZHOU Xian-liang
School of Materials Science and Technology,Nanjing University of Aeronautics and Astronautics
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Search for this author on this site - OUYANG De-lai
OUYANG De-lai
School of Material Science and Engineering,Nanchang Hangkong University,Nanchang
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Search for this author on this site - HUANG Peng
HUANG Peng
School of Material Science and Engineering,Nanchang Hangkong University,Nanchang
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School of Materials Science and Technology,Nanjing University of Aeronautics and Astronautics,School of Materials Science and Technology,Nanjing University of Aeronautics and Astronautics,School of Material Science and Engineering,Nanchang Hangkong University,Nanchang,School of Material Science and Engineering,Nanchang Hangkong University,Nanchang
TG171
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The initial corrosion behavior of SiCp/Al composites in Cl- containing solution was inverstigated by using immersion test and Scanning Kelvin probe (SKP) technique. The results show that the initial corrosion is preferential to occur at the interface between SiC particles and Al matrix of SiCp/Al composites in Cl- containing solution. Cl- and interfacial phase is responsible for the development of initial corrosion. The passive film formed in the initial stage, while the surface potential of SiCp/Al composites moved positively. When the corrosion process continued, the passive film finally breakdowned, resulting in the negative shift of the surface potential. The main corrosion products are Al(OH)3, Al2O3 and AlCl3.
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[CUI Xia, ZHOU Xian-liang, OUYANG De-lai, HUANG Peng. Study on the initial corrosion behavior of SiCp/Al composites in Cl- containing solution[J]. Rare Metal Materials and Engineering,2016,45(11):2884~2888.]
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History
- Received:September 17,2015
- Revised:May 16,2016
- Adopted:June 12,2016
- Online: December 08,2016