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Characterization of hypereutectic Al-19% Si alloy solidification process using in-situ neutron diffraction and thermal analysis techniques

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Academic year: 2021

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Figure 1. Temperature vs. time cooling curve recorded for Al- Al-19%Si  binary  alloy  solidified  at  an  average  cooling  rate  of  about 0.5 o C/s
Figure  2.  Superimposed  first  derivative  (dT/dt)  and  fraction  solid  (FS)  vs.  temperature  curves  recorded  during  the  solidification cycle of the Al-19%Si binary alloy at an average  cooling rate of about 0.5 o C/s
Figure  3.  Optical  micrographs  (50x)  of  the  Al-19%Si  binary  alloy test sample solidified at an average cooling rate of about  0.5 o C/s
Figure  4.  Neutron  diffraction  pattern  of  the  Al-19%Si  binary  alloy  solidification  process  collected  at  various  temperatures,  ranging  from  740 o C  (45 o C  above  the  equilibrium  liquidus  temperature) to 400 o C (143 o C below the soli
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