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RIPENG JIANG1,2,* , XIAOQIAN LI1,2, SEN LIN1,2, TONG WU1,2
Ultrasound was introduced into 7050 aluminum alloy added AlTiC grain refiners with different mass fractions Influences of three methods of treating molten melt: applying single ultrasound, single AlTiC grain refiners and the two together, on nucleation in the solidification process were studied through the analysis of the microstructures. The results show the cavitation effect caused by ultra sonic vibration ch anges the microstructure of AlTiC grain refiners, increases the diffusion and wettability of the TiC clusters, restrains and sm a shes the growth of TiAl3 clusters, and then enhances the refinement effect of AlTiC grain refiner. Therefore, when the melt was treated synchronously by ultrasound and grain refiner, the finer grains can be obtained than that by a single way..
Aluminum alloy, AlTiC Grain refiner, Ultrasound, Microstructure.
RIPENG JIANG, XIAOQIAN LI, SEN LIN, TONG WU, Coupling effect of adding Al-Ti-C grain refiner and introducing ultrasound to molten melt on the microstructure of 7050 aluminum alloy, Optoelectronics and Advanced Materials - Rapid Communications, 8, 5-6, May-June 2014, pp.571-575 (2014).
Submitted at: Oct. 18, 2013
Accepted at: May 15, 2014
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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