Manufacturing Technology 2022, 22(1):39-44 | DOI: 10.21062/mft.2022.012

Stress Corrosion Cracking and Copper Alloy Products

Vladivoj Očenášek ORCID..., Jan Luštinec ORCID...
SVÚM a. s., Tovární 2053, 250 88 Čelákovice. Czech Republic

Stress corrosion cracking (SCC) is a common cause of structural failure. The simultaneous action of the corrosive environment and tensile stresses creates cracks that have an intercrystalline or transcrys-talline character. These are cracks with a fragile morphology of the fracture surface without signs of plastic deformation in their vicinity. SCC cracks occur in several alloys. This paper focuses on copper alloys in which this type of failure occurs frequently. Examples from practice show cases where the occurrence of SCC violation was related to the conditions of use of components and their production technologies. The paper does not aim to capture all the influences associated with the occurrence of SCC failure of copper alloy products.

Keywords: SCC stress corrosion cracking, copper alloys, cold deformation, heat treatment, tensile stress, residual stress
Grants and funding:

The paper presents the results that were achieved within the projects FA - EV 064/98 "Increasing the utility properties of non-ferrous metal products and their alloys", FI-IM2/098 "Research of technology straightening and drawing of cooper-alloys bars with enhanced shape and size accuracy” and FI-IM3/072“. Development of manufacturing technology of Cu-Ni condenser tubes for the power industry and rods from special copper alloys for automotive and mechanical engineering applications”.

Received: August 30, 2021; Revised: January 26, 2022; Accepted: February 11, 2022; Prepublished online: February 11, 2022; Published: February 26, 2022  Show citation

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Očenášek V, Luštinec J. Stress Corrosion Cracking and Copper Alloy Products. Manufacturing Technology. 2022;22(1):39-44. doi: 10.21062/mft.2022.012.
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