High cycle fatigue behavior of additively manufactured Ti-6Al-4V alloy with HIP treatment at elevated temperatures

Li, Gen; Chi, Weiqian; Wang, Wenjing; Liu, Xiaorui; Tu, Huan; Long, Xu

doi:10.1016/j.ijfatigue.2024.108287

International Journal of Fatigue

2024

DOI: 10.1016/j.ijfatigue.2024.108287

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High cycle fatigue behavior of additively manufactured Ti-6Al-4V alloy with HIP treatment at elevated temperatures

Gen Li,

Weiqian Chi,

Wenjing Wang

et al.

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2024

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Cited by 31 publications

References 43 publications

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Surface Modification of Additively Manufactured Inconel 718 Alloy by Low‐Energy High‐Current Electron Beam Irradiation

Demirtas,

Ivanov,

Purcek

et al. 2024

Adv Eng Mater

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The effect of low‐energy high‐current electron beam (LEHCEB) irradiation on the microstructure and nanohardness of Inconel 718 alloy produced by laser powder bed fusion additive manufacturing is investigated. The LEHCEB irradiation is applied to the alloy at three energy levels, and the resulting microstructural analysis of irradiated surfaces is conducted. The findings from this study demonstrate that the LEHCEB irradiation substantially changes the as‐built microstructure showing intragranular dendrites of different shapes and irregular‐shaped Laves phases. The columnar structure is formed in the modified near‐surface layer as a result of rapid heating and cooling during LEHCEB irradiation. Furthermore, all Laves phases dissolve in the modified layer. Nanoindentation hardness of the irradiated layer of the alloy increases from 593 ± 23 to 693 ± 13 Hv with the highest energy density of 15 J cm−2. This increment is attributed mainly to the dissolution of Laves phases and the formation of an ultrafine columnar structure where the columns are separated from each other by the district regions containing very thin interlayers of a secondary phase and a high amount of dislocations.

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Surface Modification of Additively Manufactured Inconel 718 Alloy by Low‐Energy High‐Current Electron Beam Irradiation

Demirtas,

Ivanov,

Purcek

et al. 2024

Adv Eng Mater

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Thermal-fluid modeling and physics-informed machine learning for predicting molten pool depth in single-layer multi-track fiber laser cladding

Hu,

Wang,

et al. 2024

Int J Adv Manuf Technol

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Investigation and Characterization of Novel Aluminium Matrix Composites Enhanced by Recycled Borosilicate Glass

Dey,

Kumar,

Beemkumar

et al. 2024

J Inorg Organomet Polym

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High cycle fatigue behavior of additively manufactured Ti-6Al-4V alloy with HIP treatment at elevated temperatures

Cited by 31 publications

References 43 publications

Surface Modification of Additively Manufactured Inconel 718 Alloy by Low‐Energy High‐Current Electron Beam Irradiation

Surface Modification of Additively Manufactured Inconel 718 Alloy by Low‐Energy High‐Current Electron Beam Irradiation

Thermal-fluid modeling and physics-informed machine learning for predicting molten pool depth in single-layer multi-track fiber laser cladding

Investigation and Characterization of Novel Aluminium Matrix Composites Enhanced by Recycled Borosilicate Glass

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