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The beginning of a new phase transformation is known as ________

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The beginning of a new phase transformation is known as ________

(a) Nucleation

(b) Growth

(c) Segregation

(d) Coring

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This interesting question is from Nucleation, Growth and Segregation, Recovery, Recrystallisation and Grain Growth in section Mechanical Working Processes & Phase Transformations of Engineering Material & Metallurgy

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Right answer is (a) Nucleation

For explanation: Nucleation is the first step that occurs in the formation of a new phase. In this process, molten metal appears in regions which then become crystals. It involves assembly of atoms by diffusion, changes in structure, and formation of nuclei.

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