métal ductile

  • 81CADMIUM — Le cadmium est un métal blanc argent, légèrement bleuté. Il est très malléable et ductile. Son abondance dans la lithosphère est estimée à 0,15 g/t, c’est donc un métal relativement rare. Il n’existe pas de minerais de cadmium en quantités… …

    Encyclopédie Universelle

  • 82copper processing — Introduction  use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …

    Universalium

  • 83Deformation (engineering) — This article is about deformation in engineering. For a more rigorous treatment, see Deformation (mechanics). Compressive stress results in deformation which shortens the object but also expands it outwards. In materials science, deformation is a …

    Wikipedia

  • 84environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …

    Universalium

  • 85copper — copper1 /kop euhr/, n. 1. a malleable, ductile, metallic element having a characteristic reddish brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; at. wt.: 63.54;… …

    Universalium

  • 86Behavior of nuclear fuel during a reactor accident — This page is devoted to a discussion of how uranium dioxide nuclear fuel behaves during both normal nuclear reactor operation and under reactor accident conditions such as overheating. Work in this area is often very expensive to conduct, and so… …

    Wikipedia

  • 87Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta …

    Wikipedia

  • 88Metalworking — Machining a bar of metal on a lathe. Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts… …

    Wikipedia

  • 89Pipe (fluid conveyance) — For structural pipe, see Hollow structural section. For other uses, see Pipe (disambiguation). Steel pipes …

    Wikipedia

  • 90titanium processing — Introduction       preparation of the ore for use in various products.       Titanium (Ti) is a soft, ductile, silvery gray metal with a melting point of 1,675° C (3,047° F). Owing to the formation on its surface of an oxide film that is… …

    Universalium