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<p>The article describes to design the parameters of hot rolling and heat treatment technology in a way that would allow for permanent bonding of S355J2 and NANOS-BA® steel into one high-strength clad plates. In the article, guidelines for the hot rolling process of clad plates with two-stage heat treatment were described, which were then verified in a semi-industrial technological line. The materials obtained in this way in different initial states were subjected to metallographic and strength tests. Based on three technological variants of the process, S355J2/ NANOS-BA® clad plates were produced. After additional heat treatment, a nanobainitic microstructure of high strength and ballistic and abrasion resistance was created in the applied layer, which indicates the possibility of using this type of clad plate in the armaments, machine building, or construction industry.</p>

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Influence of selected technological parameters of hot rolling process and heat treatment on the microstructure and mechanical properties of high-strength S355J2/NANOS-BA® clad plates

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年10月2日

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  • Bartłomiej Walnik,
  • Dariusz Woźniak,
  • Aleksandra Bagińska,
  • Mariusz Adamczyk

摘要

The article describes to design the parameters of hot rolling and heat treatment technology in a way that would allow for permanent bonding of S355J2 and NANOS-BA® steel into one high-strength clad plates. In the article, guidelines for the hot rolling process of clad plates with two-stage heat treatment were described, which were then verified in a semi-industrial technological line. The materials obtained in this way in different initial states were subjected to metallographic and strength tests. Based on three technological variants of the process, S355J2/ NANOS-BA® clad plates were produced. After additional heat treatment, a nanobainitic microstructure of high strength and ballistic and abrasion resistance was created in the applied layer, which indicates the possibility of using this type of clad plate in the armaments, machine building, or construction industry.