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Aula 3-Diagrama Ferro Carbono

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LIGAS HIPEREUTETÓIDES<br />

•A cementita formada antes do eutetóide é chamada<br />

cementita proeutetóide e a microestrutura das ligas<br />

hipereutetóides resultam em perlita + cementita<br />

proeutetóide<br />

•Na fotomicrografia de um aço hipereutetóide a cementita<br />

proeutetóide aparece clara e nos contornos de grãos.

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