Effect of interaction between two single-particle-impingements on the repassivation behavior of 304 stainless steel in a simulated groundwater-Reference-Cited by-同舟云学术

Effect of interaction between two single-particle-impingements on the repassivation behavior of 304 stainless steel in a simulated groundwater

Published:2021-02-15 Issue:2 Volume:39 Page:149-164
ISSN:2191-0316
Container-title:Corrosion Reviews
language:en
Short-container-title:

Author:

Feng Xingguo¹²^ORCID,Zhao Yang¹,Lu Xiangyu¹,Fattahpour Vahidoddin³,Roostaei Morteza³,Mahmoudi Mahdi³,Zeng Hongbo²,Luo Jing-Li²

Affiliation:

1. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University , Nanjing 210098 , Jiangsu , China

2. Department of Chemical and Materials Engineering , University of Alberta , Edmonton , AB , T6G 1H9 , Canada

3. RGL Reservoir Management Inc. 610 , 700 – 2nd Street SW , Calgary , AB , T2P 2W1 , Canada

Abstract

Abstract To investigate the effect of interaction between two single-Si3N4 particle-impingements on the repassivation of 304 stainless steel in a simulated groundwater, the corrosion current peaks of the samples during the impingement were recorded, and the micro-hardness of the substrate around the crater was tested. The results indicated that significant interactions between the two impingements were observed only when the value of distance-diameter ratio (L/d) was less than 1.5. With L/d being less than 1.5, the corrosion current peaks and mass losses due to the second impingements were higher than those of the first ones, and the re-passivation rates of samples during the second impingements were lower than those of the first impingements. Simultaneously, the microhardness of the substrate between the two craters was higher than that of the surface around one single crater with the same distance-diameter ratio. The mechanisms of how the L/d ratio influenced the interaction between the two impingements are also discussed.

Publisher

Walter de Gruyter GmbH

Subject

General Materials Science,General Chemical Engineering,General Chemistry

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