|About this Abstract
||2022 TMS Annual Meeting & Exhibition
||Advanced Real Time Imaging
||Real Time Observation of Reactive Spreading and Interfacial Reactions between Liquid AlNi Alloy and Solid Ni
||Youqing Sun, Ensieh Yousefi, Anil Kunwar, Nele Moelans, David Seveno, Muxing Guo
|On-Site Speaker (Planned)
Real time observation of reactive wettability in liquid Al-Ni alloy/solid nickel (Ni) system can provide important insights into the mechanisms involved in high temperature processing techniques. In this study, the spreading of Al-rich Al-Ni alloy on Ni from 750 to 950 °C is investigated by using Thermo-Optical Dynamic Wetting Apparatus(TODWA). Wetting experiments are conducted in a well-designed T-junction tube, in which a gas tight and oxygen free environment is guaranteed. The liquid alloy and the substrate are heated separately (non-contact heating), and the oxidation layer on the liquid alloy surface is removed by squeezing it out against the special injector. The phase formation sequence and the phase growth mechanism at the Al-Ni/Ni interface are characterized by conducting capillary suction experiments. It was found that Al3Ni phase was the primary phase formed during isothermal holding stage. The effects of interfacial reactions on spreading and final wettability were also accounted.
||Other, Other, Other