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Corrosion cracking of welded joints in a pipe steel in a hydrogen-sulfide medium

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Conclusions

1. The maximum long-term corrosion strength in the NACE solution was recorded for the specimens welded under the conditions of specimens 2 (3.0 kJ/mm); their threshold stress was equal to 250 MPa (0.7σ0.2); for other types of specimens welded with a heat input of 6.0 kJ/mm and 1.25 kJ/mm the threshold stress was equal to 180 and 160 MPa, respectively.

2. In the experiments with a low strain rate of the metal the highest relative resistance was recorded for the specimens 2 and the resistance decreased in the sequence 2→1→3.

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Authors
  1. V. N. Tkach
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  2. L. V. Kapinos
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  3. R. K. Melekhov
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Additional information

E. O. Paton Electric Welding Institute, Academy of Sciences of the Ukraine, Kiev. G.V. Karpenko Physico-mechanical Institute, Academy of Sciences of the Ukraine, L'vov. Translated from Fiziko-Khimicheskaya Mekhanika Materialov, Vol. 29, No. 2, pp. 52–56, March–April, 1993.

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Tkach, V.N., Kapinos, L.V. & Melekhov, R.K. Corrosion cracking of welded joints in a pipe steel in a hydrogen-sulfide medium. Mater Sci 29, 151–154 (1993). https://doi.org/10.1007/BF00558814

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  • DOI: https://doi.org/10.1007/BF00558814

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