Some characteristics of first-order phase transformations |
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| Authors: | V Raghavan |
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| Affiliation: | (1) Department of Applied Mechanics, Indian Institute of Technology, 110 029 New Delhi |
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| Abstract: | The distinction between first-order and second-order phase transformations is brought out. The general characteristics of
first-order transformations are described. The salient features of transformations controlled by long-range diffusion, short-range
diffusion and by (diffusionless) shear mechanisms are discussed. Martensitic trasnformations, which belong to the shear category,
occur in many metallic and non-metallic systems and deserve an intensive study. |
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