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- Title
Influence of 4 wt.% Cr addition on the corrosion-wear synergistic effect for Al<sub>2</sub>O<sub>3</sub>/Fe(Al) composites.
- Authors
Yaping Bai; Jiandong Xing; Yongchun Guo; Jianping Li; Qian Huang; Yimin Gao
- Abstract
In this work, the corrosion-wear synergistic effect for nanocrystalline Fe(Al), 20 wt.% Al2O3/Fe(Al) composites with and without 4 wt.% Cr in artificial seawater (3.5% NaCl aqueous solution with 60 kg/m3 quartz sand) was investigated. The results showed that the main damage behavior of Al2O3/Fe(Al) composites was a corrosive effect because of its poor corrosion resistance and high hardness, whereas for Fe(Al) material, the main damage mode was a chiseling action by solid particles, due to its relatively low hardness. With 4 wt.% Cr addition, the erosion weight loss at different erosion rates decreased by more than 30%. The Al2O3/Fe(Al) composites had good pure wear resistance, while poor corrosion resistance resulted in an increase in the interaction of corrosion and wear (about 70% of the total damage amount).
- Publication
Corrosion Reviews, 2016, Vol 34, Issue 4, p231
- ISSN
0334-6005
- Publication type
Article
- DOI
10.1515/corrrev-2015-0073