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<p>Advanced manufacturing methods are expected to play a significant role in fabricating high performing components for future energy producing plants. Various advanced manufacturing techniques such as additive manufacturing and solid phase processing (SPP) are under development and have significant potential to manufacture these components. In this investigation, SPP techniques such as shear assisted processing and shear assisted processing and extrusion (ShAPE) of Zircaloy-4 were carried-out. In shear assisted processing experiments, the alloy was processed at multiple processing temperatures to investigate the structural evolution. Both size and type of grain structure (equiaxed vs. Widmanstatten) were dependent on processing temperature. Furthermore, ShAPE technology was employed to fabricate thin-wall Zircaloy-4 tubes in a single step from a solid feedstock. The fabricated tube exhibited fine and coarse grain structures at the start and at the end of the tube, respectively. Random texture was noted based on Kearn’s analysis. Additionally, a proof-of-concept Zircaloy-4 co-extrusion with pure Ni on the inside and outside has been successfully demonstrated.</p>

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Shear assisted processing of Zircaloy-4

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年1月16日

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  • Mageshwari Komarasamy,
  • Nathan Canfield,
  • Jens Darsell,
  • David Garcia,
  • Dalong Zhang,
  • Anthony Guzman,
  • Andrew Casella,
  • David Senor

摘要

Advanced manufacturing methods are expected to play a significant role in fabricating high performing components for future energy producing plants. Various advanced manufacturing techniques such as additive manufacturing and solid phase processing (SPP) are under development and have significant potential to manufacture these components. In this investigation, SPP techniques such as shear assisted processing and shear assisted processing and extrusion (ShAPE) of Zircaloy-4 were carried-out. In shear assisted processing experiments, the alloy was processed at multiple processing temperatures to investigate the structural evolution. Both size and type of grain structure (equiaxed vs. Widmanstatten) were dependent on processing temperature. Furthermore, ShAPE technology was employed to fabricate thin-wall Zircaloy-4 tubes in a single step from a solid feedstock. The fabricated tube exhibited fine and coarse grain structures at the start and at the end of the tube, respectively. Random texture was noted based on Kearn’s analysis. Additionally, a proof-of-concept Zircaloy-4 co-extrusion with pure Ni on the inside and outside has been successfully demonstrated.