The applicability of the standard DIN EN ISO 3690 for the analysis of diffusible hydrogen content in underwater wet welding

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Klett, J.; Wolf, T.; Maier, H.J.; Hassel, T.: The applicability of the standard DIN EN ISO 3690 for the analysis of diffusible hydrogen content in underwater wet welding. In: Materials 13 (2020), Nr. 17, 3750. DOI:

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Sum total of downloads: 140

The European standard ISO 3690 regulates the measurement of diffusible hydrogen in arc-welded metal. It was designed for different welding methods performed in dry atmosphere (20% humidity). Some details of the standard are not applicable for wet underwater welding. The objective of this study was to extend the applicability of DIN EN ISO 3690:2018-12 to underwater wet-shielded metal arc welding (SMAW). Four different aspects regulated within the standard were accounted for: (1) sample dimensions and number of samples taken simultaneously; (2) time limitations defined by the standard regarding the welding and the cleaning process; (3) time, temperature, and method defined for analysis of the diffusible hydrogen content; (4) normalization of the hydrogen concentration measured. Underwater wet welding was performed using an automated, arc voltage-controlled welding machine. The results are discussed in light of standard DIN EN ISO 3690, and recommendations are provided for the analysis of diffusible hydrogen content upon underwater wet welding. © 2020 by the authors.
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2020
Appears in Collections:Fakultät für Maschinenbau

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pos. country downloads
total perc.
1 image of flag of Germany Germany 78 55.71%
2 image of flag of United States United States 19 13.57%
3 image of flag of China China 8 5.71%
4 image of flag of France France 4 2.86%
5 image of flag of Colombia Colombia 4 2.86%
6 image of flag of Nigeria Nigeria 2 1.43%
7 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 2 1.43%
8 image of flag of India India 2 1.43%
9 image of flag of Israel Israel 2 1.43%
10 image of flag of Czech Republic Czech Republic 2 1.43%
    other countries 17 12.14%

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