Stress Corrosion Cracking of Manganese Bronze in Water

Continuous and centrifugal cast manganese bronze parts (C86300) experienced intergranular cracking in as few as 24 h after being stored outside. C-ring tests according to ASTM G38 were conducted to assess the material’s susceptibility to stress corrosion cracking (SCC) susceptibility and found that...

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Bibliographic Details
Published in:Journal of failure analysis and prevention 2024, Vol.24 (6), p.2555-2560
Main Authors: Manz, Olaf, Kral, Milo
Format: Article
Language:English
Subjects:
Case History > -Peer-Reviewed
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Corrosion and Coatings
Corrosion mechanisms
Corrosion tests
Failure mechanisms
Heat treatment
Intergranular corrosion
Machining
Manganese bronzes
Materials Science
Quality Control
Reliability
Residual stress
Safety and Risk
Solid Mechanics
Stress corrosion cracking
Tribology
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Summary:Continuous and centrifugal cast manganese bronze parts (C86300) experienced intergranular cracking in as few as 24 h after being stored outside. C-ring tests according to ASTM G38 were conducted to assess the material’s susceptibility to stress corrosion cracking (SCC) susceptibility and found that water was the most likely agent. The failure mechanism has been identified as intergranular SCC due to a combination of residual stress from a rough machining operation and water from rain or dew. To prevent cracking, a stress relief heat treatment immediately after the rough machining operation is recommended.
ISSN:1547-7029
1864-1245
DOI:10.1007/s11668-024-02041-2