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Figure 5

From: Detachment of secondary dendrite arm in a directionally solidified Sn-Ni peritectic alloy under deceleration growth condition

Figure 5

Different stages of detachment of secondary dendrite arm during decelerated directional solidification of Sn-36at.%Ni peritectic alloy: (a) schematic phase diagram of Sn-Ni peritectic alloy; (b) temperature distribution in the direction of temperature gradient: TL, TP , TE are the liquidus temperature, peritectic reaction temperature and the eutectic temperature, respectively and TQ is the temperature dividing Stage II and III; (c) schematic drawing of array of both thick and thin dendrite arms; (d) magnified illustrations showing three different stages of the detachment process.

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