Here are the text from the journal i read: The grain size of the Zn matrix decreased gradually as the content of Fe increased. In the as cast Zn-0.2Mg alloy, there was only a single second phase distributed at the grain boundaries of the large Zn matrix grains. According to the Zn-Mg binary phase diagram [32], Cubic Mg2Zn11 phase was the only second phase in Zn-Mg alloys when Mg content was less than 3.0 wt% [10,12]. When Fe was added in Zn-0.2Mg alloy, another phase with a block-shape emerged at the grain boundaries
The term "phase" is normally used (in a metallic alloy) to designate a quantity of matter homogeneous in composition and structure.
Carlos Ariel Samudio Pérez Understood, thankyou. How to get the phase graph when we alloying the elements?
The term phase is used to refer to a physically homogeneous state of matter, where the phase has a certain chemical composition, and a distinct type of atomic bonding and arrangement of elements. Within an alloy, two or more different phases can be present at the same time.
The word "phase" is used in the field of metallurgy to describe a physically homogenous state of matter that has a certain chemical make-up as well as a particular form of atomic bonding and elemental arrangement. Two or more distinct phases may exist simultaneously in an alloy.
The phase change of one solid into two other solids is known as the eutectoid reaction
Eutectoid and precipitation are two of the most typical phase transitions seen with ordinary alloys. Atoms must pass through the metal in order to rearrange themselves and create the new phase or phases in both forms of phase change. Steel contains both cementite (black) and ferrite (white).
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