EFFECT OF CREVICE FORMERS AND APPLIED TORQUE ON CORROSION BEHAVIOUR OF AISI 304L AUSTENITIC STAINLESS STEEL

Authors

  • Thiruvikraman C Dept. of Manufacturing Engg., Annamalai University, Annamalainagar, Tamilnadu-608002, India
  • Balasubramanian V Dept. of Manufacturing Engg., Annamalai University, Annamalainagar, Tamilnadu-608002, India
  • Sridhar K Marine Materials Department, Naval Materials Research Laboratory (NMRL), Ambernath, Maharashtra- 421501, India

Keywords:

SS 304 L, Crevice corrosion, Crevice formers , Corrosion resistance

Abstract

Corrosion damage of materials at confined spaces such as gaps and contact areas between parts, under gaskets or seals, inside cracks and seams, spaces filled with deposits and under sludge piles is called crevice corrosion. This has important practical implication in pump, fluid transporting pipes, impeller blades and ship hull applications, for instance, where this phenomenon, in stagnant environments with saline water and in the presence of solid particles, can play an important role in material degradation leading to catastrophic failure. In this study AISI 304L Austenitic Stainless Steel specimens were tested for its corrosion resistance under influence of applied torque with different crevice formers. Corrosion resistance measurement was done using Potentiostat. The effect of crevice formers and applied torque on the base material in artificial seawater environment has been studied. The microstructure of the corroded surface and its hardness were characterized by optical microscope, SEM and Vickers’s micro hardness tester. Surface characterization of the damaged surface has also been studied using advanced techniques. Crevice corrosion behavior of base metal increased when SS 304 L crevice formers were used.

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Published

2014-06-01

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How to Cite

[1]
“EFFECT OF CREVICE FORMERS AND APPLIED TORQUE ON CORROSION BEHAVIOUR OF AISI 304L AUSTENITIC STAINLESS STEEL”, JME, vol. 9, no. 2, pp. 116–123, Jun. 2014, Accessed: Oct. 04, 2024. [Online]. Available: https://smenec.org/index.php/1/article/view/287

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