PSI - Issue 79

Daniela Neves et al. / Procedia Structural Integrity 79 (2026) 266–274

270

Table 2. Chemical Composition of Ti-6Al-4V grade 23 Alloy Chemical Composition (% wt)

Other elements (Max)

Ti

Al

V Fe O C N H Y

Ti-6Al-4V grade 23

5.5-6.5 3.5-4.5 0.25 0.13 0.08 0.05 0.012 0.005 0.4

Remaining

Fig. 4 - Geometry of the specimens, in mm, following the ASTM E8/E8M-25

The detailed processing parameters and conditions for each track position are presented in Tables 3 and 4. Fig. 5 presents the schematic of the powder recycling and replacement process during component manufacturing via SLM.

Fig. 5 - Schematic representation of the powder recycling and replacement process during component manufacturing via SLM

Table 3. Manufacturing Parameters (Hatch Vector) Manufacturing Parameters Up-skin In-skin Down-skin Core Laser Power [W] 90 90 - 90 Scan Speed [mm/sec] 500 500 500 500 Hatch Distance [mm] 0.09 0.09 - 0.09 Layer Thickness [mm] 0.04 0.04 - 0.04 Energy Density [J/mm 3 ] 50 50 - 50