Connectivity of Phases and Growth Mechanisms in Peritectic Alloys Solidified at Low Speed: an X-Ray Tomography Study of

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, bronze, brass, and many other commercially important alloys exhibit peritectic transitions during solidiļ¬cation.[1] This invariant reaction in binary alloys is characterized by the transformation of two phases, liquid (l) and primary (a), into the peritectic phase (b), at temperature Tp and peritectic composition Cp (Figure 1). In the hypoperitectic region, i.e., for a nominal composition of alloy C0 such that Ca