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The effect of alloying with molybdenum on the corrosion—cracking resistance of a Γ20Φ2 type manganese steel against

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Abstract

Molybdenum, which is introduced in amount of 2 to 6% into manganese steel of the basic composition (0.15–0.25) Γ20Φ2, enhances its strength upon the maximum age-hardening at 650°C (to σy). However, its stress-corrosion cracking resistance in a 3.5% NaCl solution increases insufficiently (1500 h at a stress of 40 to 50% breaking stress in air σair). After the overaging (prolonged exposures at 750°C), steel (with any aforementioned molybdenum content) does not fail in the test medium in 4000 h at σ = 0.8σair.

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Authors and Affiliations

  1. Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 18, 620219, Yekaterinburg, Russia

    I. I. Kositsyna, Yu. I. Filippov & V. V. Sagaradze

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  1. I. I. Kositsyna
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  2. Yu. I. Filippov
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  3. V. V. Sagaradze
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Kositsyna, I.I., Filippov, Y.I. & Sagaradze, V.V. The effect of alloying with molybdenum on the corrosion—cracking resistance of a Γ20Φ2 type manganese steel against. Prot Met 36, 461–465 (2000). https://doi.org/10.1007/BF02764092

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  • DOI: https://doi.org/10.1007/BF02764092

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