Topic
Stress corrosion cracking
About: Stress corrosion cracking is a research topic. Over the lifetime, 11340 publications have been published within this topic receiving 138157 citations.
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TL;DR: In this article, an overview of Mg SCC is provided, and a detailed study of H-trap interactions is needed in order to design alloys resistant to TGSCC.
Abstract: An overview is provided of Mg SCC. Intergranular stress corrosion cracking (IGSCC) is typically caused by a continuous second phase along grain boundaries. The second phase causes microgalvanic corrosion of the adjacent Mg matrix. IGSCC is expected for all creep resistant Mg alloys in contact with water whenever creep resistance is produced by a continuous second phase along the grain boundaries. IGSCC can be avoided by appropriate Mg alloy design. Transganular SCC (TGSCC) is caused by an interaction of hydrogen (H) with the microstructure so a detailed study of H-trap interactions is needed in order to design alloys resistant to TGSCC. This understanding is urgently needed because Mg alloys are being increasingly used in load bearing applications; many common Mg alloys have a threshold stress for SCC of half the yield stress in common environments including high-purity water.
63 citations
TL;DR: In this article, the pitting corrosion and stress corrosion cracking was identified on prototype cold-formed outer exhaust sleeves during the testing of different cleaning procedures before chromium plating in AISI 321.
63 citations
TL;DR: In this article, an atom probe tomography (APT) data of an intergranular stress corrosion crack tip has been acquired, and very small localized features and their distribution around the crack tip can be studied in 3D.
63 citations
TL;DR: The only substances that have been found in the present work to have a truly inhibitive effect are valonea and quebracho tannins and NaH 2 PO 4, although Na 2 SiO 3 appears to confer partial inhibition.
63 citations
TL;DR: In this paper, the role of stress on interface oxidation kinetics was analyzed in Alloy 600 heat-affected zone specimens with higher intergranular stress corrosion cracking growth rates than that in the base metal in simulated pressurized water reactor water environments.
63 citations