martensite

• Solução sólida dura e frágil de carbono em ferro alfa, que se forma pelo resfriamento rápido (têmpera) do aço, impedindo a formação de perlita e sendo responsável pela dureza do aço temperado.

A hard, brittle solid solution of carbon in alpha-iron, formed when steel is rapidly cooled (quenched) to suppress the formation of pearlite, and responsible for the hardness of quenched steel.

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1. Hard steel microstructureC2formalscientific

   A hard, brittle microstructure in steel formed by rapid cooling (quenching) from the austenite phase, consisting of a supersaturated solid solution of carbon in body-centered tetragonal iron.

   Microestrutura dura do aço

   • The formation of martensite gives quenched steel its extreme hardness.
   • Martensite is a key component in the production of high-strength tools and blades.
   • The rapid cooling rate prevents carbon diffusion, resulting in a martensitic structure.