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October 2, 2025Canadian Metallurgical Quarterly

Wire arc additively manufactured super duplex stainless steel: microstructural and property evolution under thermal aging and solution treatment

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Authors

SPS. PantSKSubodh KumarASA. S. Shahi

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Overview

Observational analysis shows thermal aging negatively impacts mechanical properties in super duplex stainless steel, highlighting treatment benefits.

Key Points

  • Aging treatment reduced ductility from 38% to 4%, indicating significant material degradation with prolonged exposure.
  • Pitting potential decreased from 1006 mV to 625 mV, reflecting a marked decline in corrosion resistance after thermal aging.
  • Wire arc additive manufacturing was utilized to create super duplex stainless steel structures, ensuring precise fabrication.
  • Solution treatment restored austenite-ferrite balance, improving mechanical and corrosion properties significantly.

Cite This Study

Pant et al. (2025) studied this question.

synapsesocial.com/papers/68de5da783cbc991d0a20ab7https://doi.org/10.1080/00084433.2025.2565506
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Also Consider

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  1. 1Microstructure Evolution and Mechanical Properties of Wire Arc Additively Manufactured DSS2209 Duplex Stainless Steel2025 · 3 citations
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  4. 4Full-field measurements of the microstructure’s effect on the mechanical behaviour of a wire and arc additively manufactured duplex stainless steel2024 · 9 citations
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