Powder reuse in laser-based powder bed fusion of Ti6Al4V—changes in mechanical properties during a powder top-up regime

Physics & Astronomy

• reuse 100%
• beds 71%
• interstitials 64%
• fusion 60%
• mechanical properties 49%
• tensile strength 35%
• lasers 32%
• hardness 29%
• oxygen 22%
• Vickers hardness 21%
• statistical analysis 19%
• ductility 18%
• chambers 14%
• nitrogen 13%
• hydrogen 11%

Engineering & Materials Science

• Powders 60%
• Fusion reactions 59%
• Lasers 56%
• Mechanical properties 48%
• Oxygen 30%
• Tensile strength 29%
• Hardness 29%
• Vickers hardness 22%
• Tensile testing 21%
• Nitrogen 17%
• Ductility 16%
• Statistical methods 15%
• Hydrogen 14%

Chemistry

• Interstitial 78%
• Tensile Strength 31%
• Vickers Hardness 23%
• Ductility 21%
• Dioxygen 18%
• Nitrogen 11%
• Hydrogen 9%
• Reduction 8%