Si refinement by electromagnetic ultrasonic in an Al–Si alloy Haghayeghi, L.C. De Paula, E.J. Zoqui, “Si refinement by electromagnetic/ ultrasonic in an Al–Si alloy”, Journal of Materials Engineering and Performance Vol.26, issue 4, 2017, PP.1900-1907. The effects of electromagnetic stirring, ultrasonic treatment (UT), and their combination on the Si particles refinement in a hypereutectic Al-Si…
Crystallization and nucleation in liquid Al containing spinel seeds Write By Reza Haghayeghi Haghayeghi, M. Qian, “Crystallization and nucleation in liquid Al containing spinel seeds”, Materials Letters, 196 (2017) 358–360. Step-by-step in situ near-atomic-resolution observations were presented for initial crystallization or nucleation in a liquid Al-10Mg (wt%) alloy containing spinel (MgAl2O4) seeds. Ordering of…
Refinement/modification of Si via self-inoculation in an Al-Si alloy Write By Reza Haghayeghi Haghayeghi, E.J. Zoqui, G. Timelli, “Refinement/modification of Si via self-inoculation in an Al-Si alloy”, Journal of Materials Processing Technology Vol.252 (2018), PP.294-303. The alloy A390 was ultrasonically treated, and the resulting material was referred to as master alloy. The master alloy…
Duplex Nucleation in AZ91 and its high temperature properties Write By Reza Haghayeghi Saber, R. Haghayeghi, H. Najafi, P. Shahbeigi-Roodposhti, “Duplex Nucleation in AZ91 and its high temperature properties”, Journal of Engineering Materials and Technology, Vol.140 (2018), PP. 041002-1 to 6 The grain refinement of Mg–Al alloy AZ91 via carbon inoculation, including the…