Mohammad Hossein Behroozi
Laser Powder Bed Fusion of Ti-5Al-5Mo-5V-3Cr; Processability – Microstructure - Properties Analysis.
Rel. Abdollah Saboori, Amir Behjat. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Dei Materiali Per L'Industria 4.0, 2026
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Abstract
Ti-5Al-5V-5Mo-3Cr is a metastable titanium alloy of growing interest for high-performance structural and biomedical applications because of its attractive combination of strength, hardenability, toughness, and corrosion resistance. When processed by laser powder bed fusion (L-PBF), its final performance is governed by the interaction between powder characteristics, rapid solidification, melt-pool stability, defect formation, surface condition, and phase evolution. In this study, as-built Ti-5Al-5V-5Mo-3Cr specimens were fabricated using a TruPrint 1000 TRUMPF laser powder bed fusion system and experimentally assessed to establish qualitative relationships between feedstock quality, The experimental programme combines powder analysis, density measurement, X-ray computed tomography, surface roughness evaluation, optical microscopy, scanning electron microscopy, X-ray diffraction, nanoindentation, tensile testing, and corrosion testing.
Powder and build-quality analyses are used to evaluate the role of feedstock morphology, internal porosity, surface morphology, and process-induced defects
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