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electron-beam-refining process

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  • Electron crystallography — is a method to determine the arrangement of atoms in solids using a transmission electron microscope (TEM). Contents 1 Comparison with X ray crystallography 2 Radiation damage 3 Protein structures determined by electron crystallography …   Wikipedia

  • Environmental scanning electron microscope — Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors …   Wikipedia

  • metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

  • Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury …   Wikipedia

  • ESEM — stands for environmental scanning electron microscope. This is a scanning electron microscope (SEM) that allows a gaseous environment in the specimen chamber. Whereas all conventional microscopes operate in vacuum, the ESEM has added a new… …   Wikipedia

  • zone melting — a process of purifying any of various metals and other materials, as germanium or silicon, by passing it in bar form through an induction coil. Also called zone refining. Cf. cage zone melting. [1955 60] * * * Any of a group of techniques used to …   Universalium

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

  • platinum group — ▪ chemical element group Introduction       six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and …   Universalium

  • Taxonomy of manufacturing processes — This tree lists various manufacturing processes arranged by similarity of function.#Casting ##Sand casting ##Plastic mold ##Shell mold ##Investment casting (lost wax, precision) ##Permanent mold ##Centrifugal casting ##Die casting ##Slush or… …   Wikipedia

  • chromium processing — Introduction       preparation of the ore for use in various products.       Chromium (Cr) is a brilliant, hard, refractory metal that melts at 1,857° C (3,375° F) and boils at 2,672° C (4,842° F). In the pure state, it is resistant to ordinary… …   Universalium

  • vanadium processing — Introduction       preparation of the metal for use in various products.       Vanadium (V) is a grayish silver metal whose crystal structure is a body centred cubic (bcc) lattice, with a melting point of 1,926° C (3,499° F). The metal is used… …   Universalium

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