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3D Additive Manufacturing (AM) is a promising processing method that enables the fabrication of complex shapes by melting and solidifying one layer at a time using a laser or electron beam. Additionally, in the AM process, super thermal field could have a significant impact on the microstructure of metallic materials and mechanical properties. In this study, the microstructure evolution produced by the laser powder bed fusion (LBPF) and subsequent heat treatment of near α-Ti (Ti-6Al-4Nb-4Zr, mass%) and near β-Ti alloys (Ti-6Al-2Sn-4Zr-6Mo) was investigated. Creep behavior of near α-Ti and near β-Ti alloys was also investigated, and the potential of LBPFed Ti alloys as jet engine materials is discussed.

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• In Copyright
  

キーワード: Ti-6Al-4Nb-4Zr, Ti-6Al-2Sn-4Zr-6Mo, Laser powder bed fusion, Alpha formation, creep

会議: Materials Research Meeting 2025 (2025-12-08 - 2025-12-13)

研究助成金:

• JSPS JP21H05198 (Science for Super-Titanium Creation in Super Thermal Field)
• JSPS JP23H00235
• The Light Metal Educational Foundation

原稿種別: 論文以外のデータ

MDR DOI: https://doi.org/10.48505/nims.6035

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更新時刻: 2025-12-19 16:31:19 +0900

MDRでの公開時刻: 2025-12-19 14:11:33 +0900