• Some characteristics of first-order phase transformations

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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.

    • Author Affiliations

       

      V Raghavan1

      1. Department of Applied Mechanics, Indian Institute of Technology, New Delhi - 110 029
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  • Bulletin of Materials Science | News

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