Net Shape HIP Technology for Rocket Engine Parts

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  • ネットシェイプHIP技術のロケットエンジン部品への適用
  • ネットシェイプ HIP ギジュツ ノ ロケットエンジン ブヒン エ ノ テキヨウ

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<p>Net Shape HIP (NSHIP) process is the superior approach for both high performance and cost reduction compared to the castings and the forged materials machining. IHI has developed the NSHIP technology in order to incorporate NSHIP parts to the LE-9 engine turbopump for the H3 rocket which is under development by JAXA. In this article, the overview of the NSHIP technology development is introduced, which includes the FEM analysis model for the prediction of the final shape after the HIP sintering process, the establishment of manufacturing processes and the verification of the material properties. Based on these results, the NSHIP part development is proceeding to the next step, the turbopump and the engine testing which are currently performed.</p>

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