Superior fatigue response of LENS-manufactured Ti-5553 alloy
In this paper, fatigue performance of Ti-5553 alloy fabricated using Laser Engineered Net Shaping (LENS) was investigated. Mechanical testing revealed high tensile strength (UTS: 1377 MPa) and good ductility (16 %). Fatigue tests under fully reversed loading expose superior endurance, with crack initiation mechanisms transitioning from surface-induced at high stresses to internal defect-assisted at lower amplitudes. Fractography exposed unmelted particles as initiation sites under moderate cyclic loads. The results establish LENS as a reliable method for manufacturing high-strength Ti-5553 components for high-performance applications
Authors
- Mateusz Kopeć (ORCID: https://orcid.org/0000-0001-9565-3407)
- Tomasz Durejko (ORCID: https://orcid.org/0000-0002-3278-1265)
Institutions
- University of Derby (GB)
- Military University of Technology in Warsaw (PL)
- Institute of Fundamental Technological Research (PL)
Publication Details
- Journal
- Manufacturing Letters
- Published
- 2025-10-18
- DOI
- https://doi.org/10.1016/j.mfglet.2025.10.012
- Primary Topic
- Titanium Alloys Microstructure and Properties
- Type
- article
- Field-Weighted Citation Impact
- 0.00