cementite structure

  • 61Inox — Acier inoxydable Cet article est lié aux composés du fer et du carbone Fer Carbone …

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  • 62L'inox — Acier inoxydable Cet article est lié aux composés du fer et du carbone Fer Carbone …

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  • 63SILICIUM — Le silicium (symbole Si, numéro atomique 14) ne se trouve pas à l’état natif, mais constitue, sous forme de silice et de silicates, l’élément le plus abondant (environ 28 p. 100), après l’oxygène, à la surface du globe (cf. SILICATES, SILICE).… …

    Encyclopédie Universelle

  • 64Pearlite — is a two phased, lamellar (or layered) structure composed of alternating layers of alpha ferrite (88 wt%) and cementite (12%) that occurs in some steels and cast irons. It forms by a eutectoid reaction as austenite is slowly cooled below 727°C.… …

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  • 65Annealing (metallurgy) — Annealing, in metallurgy and materials science, is a heat treatment wherein a material is altered, causing changes in its properties such as strength and hardness. It is a process that produces conditions by heating to above the recrystallization …

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  • 66Diffusionless transformations — are a class of phase changes that do not occur by the long range diffusion of atoms but rather by some form of cooperative, homogeneous movement of many atoms that results in a change in crystal structure. These movements are small, usually less… …

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  • 67Diffusionless transformation — Diffusionless transformations classifications A diffusionless transformation is a phase change that occurs without the long range diffusion of atoms but rather by some form of cooperative, homogeneous movement of many atoms that results in a… …

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  • 68Alloy — This article is about the type of material. For the specification language, see Alloy (specification language). For lightweight auto wheels, see alloy wheel. Steel is a metal alloy whose major component is iron, with carbon content between 0.02%… …

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  • 69Sword — For other uses, see Sword (disambiguation) and Swords (disambiguation). Swiss longsword, 15th or 16th century A sword is a bladed weapon (edged weapon) used primarily for cutting or thrusting. The precise definition of the term varies with the… …

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  • 70Restaustenit — ist eine bei der konventionellen Stahlvergütung meist unerwünschte Phase im Stahl oder Gusseisen. Sie ist relativ instabil und wandelt sich durch Temperaturerhöhung in Ferrit und Zementit, und bei Temperatursenkung sowie durch mechanische… …

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