Effects of MnS inclusion dissolution on environmentally assisted cracking in low-alloy and carbon steels

Research output: Contribution to journalArticleScientificpeer-review

Researchers

Research units

  • VTT Technical Research Centre of Finland
  • Materials Engineering Associates Inc.

Abstract

In fatigue, both monotonic and cyclic plastic zones are formed ahead of the crack tip, inside which the strain history can be studied on the basis of stable hysteresis loops and structure anticipated in the crack-tip process zone and in the area of the maximum tensile stress (MTS) ahead of the crack tip. Slow strain rate tests (SSRT) were performed both in bulk pressurized water reactor (PWR) environments and in the simulated crack tip environments (MnS-contaminated PWR water). Environment-sensitive cracking occurred in the simulated crack tip environment at low corrosion potentials, -550 to -700 mV (vs a standard hydrogen reference electrode and in pure PWR water after anodic polarization to 0.0 mVSHE.

Details

Original languageEnglish
Pages (from-to)563-573
Number of pages11
JournalCorrosion
Volume46
Issue number7
Publication statusPublished - Jul 1990
MoE publication typeA1 Journal article-refereed

ID: 4223809