| About this Abstract |
| Meeting |
MS&T21: Materials Science & Technology
|
| Symposium
|
Additive Manufacturing: Processing, Microstructure and Material Properties of Titanium-based Materials
|
| Presentation Title |
Effect of High Oxygen Content on the Tensile and Fatigue Performance of Selectively Laser Melted (SLM) Ti-6Al-4V in the Hot Isostatic Pressed (HIP) Condition |
| Author(s) |
Anne Osantowski, Yuwei Zhai, Oscar Quintana, Weidong Tong |
| On-Site Speaker (Planned) |
Anne Osantowski |
| Abstract Scope |
In this study, tensile and fatigue properties where investigated in SLM Ti-6Al-4V printed vertically and horizontally and in the HIPed condition. High (0.26 wt.%) and low (0.13 wt.%) oxygen contents were investigated. The ultimate tensile strength (UTS), yield strength (YS), and elongation (Elong.%) for low oxygen content samples printed in the vertical and horizontal direction were on average UTS 1037 MPa/YS 938 MPa/Elong.% 16.6, and UTS 1036 MPa/YS 936 MPa/Elong.% 16.9, respectively. For high oxygen content samples printed in the vertical and horizontal directions were on average UTS 1147 MPa/YS 1053 MPa/Elong.% 15.6, and UTS 1148 MPa/YS 1056 MPa/Elong.% 14.9, respectively. Clearly, the high oxygen content samples had higher UTS (p<0.00), YS (p<0.00), and marginally lower elongation (p<0.0002). Fatigue performance was evaluated depending on the oxygen content and metallurgical analysis was evaluated in relation to the mechanical properties. |