Materials Performance

JUN 2016

Materials Performance is the world's most widely circulated magazine dedicated to corrosion prevention and control. MP provides information about the latest corrosion control technologies and practical applications for every industry and environment.

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53 NACE INTERNATIONAL: VOL. 55, NO. 6 MATERIALS PERFORMANCE JUNE 2016 fracture. The iron oxides were brittle, which increased SCC sensitivity. Conclusions • There is no stress corrosion tendency of S355 steel in air, while the stress corrosion t endency in 3.5% NaCl solution is 12.5%, which is below the typical 25% threshold. • The fracture mode is tensile in air, while the mode in 3.5% NaCl solution is a combination of tensile and chem- ical corrosion. • In 3.5% NaCl solution, the dimples were affected by Cl – and iron oxides formed. Resistance to stress corro- sion decreased with the number of secondary cracks. References 1 M.-P.-J. Abílio, et al., "A Comparison of the Fa- tigue Behavior Between S355 and S690 Steel Grades," J. of Constructional Steel Research 79 (2012): pp. 140-150. 2 D. Galya, et al., "Fatigue Life Enhancement of Welded Stiffened S355 Steel Plates with Non- circular Openings," J. of Constructional Steel Research 112 (2015): pp. 93-107. 3 Y. Xie, J.-S. Zhang, "Chloride-Induced Stress Corrosion Cracking of Used Nuclear Fuel Welded Stainless Steel Canisters: A Review," J. of Nuclear Materials 466 (2015): pp. 85-93. 4 R. Pawliczek, M. Praz · mowski, "Study on Ma- terial Property Changes of Mild Steel S355 Caused by Block Loads with Varying Mean Stress," International Journal of Fatigue 80 (2015): pp. 171-177. 5 Z. Borut, et al., "Effects of Welding Residual Stresses and Phosphorus Segregation on Cleavage Delamination Fracture in Thick S355 J2 G3+N Steel Plate," Engineering Failure Analysis 40 (2014): pp. 8-14. 6 S. Mikhail, et al., "Laser Welding and Weld Hardness Analysis of Thick Section S355 Structural Steel," Materials and Design 32, 10 (2011): pp. 5,127-5,131. 7 J. Torkkeli, et al., "Effect of MnS Inclusion Dissolution on Carbon Steel Stress Corrosion Cracking in Fuel-grade Ethanol," Corros. Sci. 96 (2015): pp. 14-22. 8 L. Mohsen, M.-M. Ali, "Fundamental Studies of Aluminum Corrosion in Acidic and Basic Environments: Theoretical Predictions and Experimental Obser vations," Electrochim . Acta 55, 18 (2010): pp. 5,253-5,257. 9 Y. Gan, et al., "Experimental Studies on the Local Corrosion of Low Alloy Steels in 3.5% NaCl," Corros. Sci. 43, 3 (2001): pp. 397-411. KONG DEJUN is a professor at Jiangsu Key Laboratory of Materials Surface Science and Technology, Changzhou University, Changzhou, Jiangsu Province, 213164, P.R. China, e-mail: kong-dejun@163.com. His research focuses on stress corrosion and protection. SHENG TIANYUAN is a Master student at Jiangsu Key Laboratory of Materials S u r f a c e S c i e n c e a n d Te c h n o l o g y, Changzhou University. LOOKING TO PUBLISH YOUR WORK? Choose MP, the World's Leading Corrosion Periodical Materials Performance (MP) publishes articles on practical, feld-oriented applications of corrosion technology that support coatings and linings, cathodic protection, chemical treatment, and materials selection and design. We are currently accepting manuscripts for technical articles. Let us share your corrosion story. More information, including author's guidelines, can be found at materialsperformance.com/ submit-manuscript. Slow Tensile Stress Corrosion Behavior of S355 Steel in 3.5% NaCl Solution

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