Journal
ADVANCES IN MANUFACTURING
Volume 5, Issue 2, Pages 143-148Publisher
SPRINGER
DOI: 10.1007/s40436-017-0175-8
Keywords
Grain refinement; Grain refiner; Pulse magneto-oscillation (PMO); Al-Cu (w(Cu) = 5%) alloy; Solidification
Funding
- National Natural Science Foundation of China [51320105003]
- Shanghai Government [14DZ2261200]
- Science and Technology Commission of Shanghai Municipality [15520710800]
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Solidification experiments were carried out in Al-Cu (w(Cu) = 5%) alloy to investigate the influence of pulse magneto-oscillation (PMO) on the efficiency of the Al3Ti1B refining agent at high superheat. The experimental solidification results show that the degree of superheat has remarkable influence on the efficiency of the grain refiner. However, the application of PMO has the potential to reduce the influence of superheat variation on the efficiency of the grain refiner. Finally, the mechanism underlying this phenomenon is discussed by performing a numerical simulation to show the forced flow inside the melt caused by PMO.
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