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<p>This study investigates the creep rupture behavior of the additively manufactured Haynes 282 alloy (H282), which is fabricated using laser powder bed fusion (LPBF), and its welded counterparts. The alloy is evaluated for its suitability for high-temperature applications in concentrated solar power (CSP) systems. Using the Larson-Miller parameter (LMP) as a reference, the creep performance of the LPBF-fabricated H282 was found to be comparable to that of the conventionally manufactured alloy. Detailed analysis further revealed the influence of the build orientation on the creep response and the impact of welding on the material's integrity.</p>

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Integrity of Welding of Laser Powder Bed Fusion Haynes 282 Alloy Under Creep Conditions for Concentrated Solar Power Systems

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月4日

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  • Farin Khan Raisa,
  • Raushan K. Singh,
  • Christopher J. Bettencourt,
  • Ryan B. Berke,
  • Nadia Kouraytem

摘要

This study investigates the creep rupture behavior of the additively manufactured Haynes 282 alloy (H282), which is fabricated using laser powder bed fusion (LPBF), and its welded counterparts. The alloy is evaluated for its suitability for high-temperature applications in concentrated solar power (CSP) systems. Using the Larson-Miller parameter (LMP) as a reference, the creep performance of the LPBF-fabricated H282 was found to be comparable to that of the conventionally manufactured alloy. Detailed analysis further revealed the influence of the build orientation on the creep response and the impact of welding on the material's integrity.