Ultrasonic Characterization of Spatially Varying Material Properties in Metal Components Fabricated by Additive Manufacturing
| Autor: | Kenneth Walton, Mikhail Skliar |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Materials science Fabrication business.industry Ultrasound Modulus 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Characterization (materials science) 0103 physical sciences Metal powder Ultrasonic sensor Composite material Selective laser melting 0210 nano-technology business Material properties |
| Zdroj: | 2019 IEEE International Ultrasonics Symposium (IUS). |
| DOI: | 10.1109/ultsym.2019.8925559 |
| Popis: | We investigated the sensitivity of ultrasonic measurements to changes in the operating conditions during additive fabrication for 316L stainless steel samples by selective laser melting. We found that the velocity of the ultrasound propagation positively correlates with the energy density used to melt layers of metal powder during the fabrication. In the range of the investigated conditions, the faster ultrasonic propagation, observed with the increase in the energy density, was shown to correspond to the improved hardness and the modulus of 316L stainless steel. Overall, our results indicate the feasibility of ultrasonic characterization of heterogeneities in material properties of metal components produced by additive manufacturing. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|