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<p>The influence of the structure obtained by modifying the powdered heat-resistant EP741NP nickel superalloy with aluminum nitride nanoparticles on its long-term strength is considered. The morphology of the resulting carbonitride phases, evolution of the precipitation of γ’&#xa0;phase particles, and the behavior of the long-term strength indicator depending on the mass content of modifier nanoparticles are analyzed. The behavior mechanism of the composite material is assessed in relation to high-temperature deformations.</p>

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Influence of structure on the long-term strength of powdered EP741NP superalloy modified with aluminum nitride nanoparticles

  • 期刊论文

  • 发表日期：

    2025年2月5日

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  • D. S. Eliseev

摘要

The influence of the structure obtained by modifying the powdered heat-resistant EP741NP nickel superalloy with aluminum nitride nanoparticles on its long-term strength is considered. The morphology of the resulting carbonitride phases, evolution of the precipitation of γ’ phase particles, and the behavior of the long-term strength indicator depending on the mass content of modifier nanoparticles are analyzed. The behavior mechanism of the composite material is assessed in relation to high-temperature deformations.