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by Grigorii Grigorevich Deviatykh,G S Burkhanov

  • ISBN: 1898326053
  • Category: Engineering
  • Author: Grigorii Grigorevich Deviatykh,G S Burkhanov
  • Subcategory: Engineering
  • Other formats: lrf txt doc mobi
  • Language: English
  • Publisher: Cambridge International Science Publishing Ltd (January 1, 1997)
  • Pages: 180 pages
  • FB2 size: 1284 kb
  • EPUB size: 1276 kb
  • Rating: 4.1
  • Votes: 838
Download High-Purity Refractory and Rare Metals fb2

High-Purity Refractory. by Grigorii Grigorevich Deviatykh.

High-Purity Refractory.

The authors examine methods of producing these metals, single-crystal growth, and properties in relation to the content of impurities and perfection of the crystal lattice.

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The materials have been prepared in various structural states. It is stated that there is a substantial difference of their functional properties in the dependence on the features of the structural state and also on the existence of a gas-forming impurity.

G Alloys were prepared using high-purity rare-earth metals by two different .

Alloys were prepared using high-purity rare-earth metals by two different methods: induction melting and argon-arc melting. Single crystals of refractory metals became, thanks to their unique complex of physical mechanical and chemical properties, real materials of modern engineering.

High-purity refractory and rare metals are used on an increasing scale in technology and fundamental investigations. The authors examine methods of producing these metals, single-crystal growth, and properties in relation to the content of impurities and perfection of the crystal lattice. Distillation processes are analysed in detail with consideration for their deviations from thermodynamic equilibrium, including special features of evaporation from the open surface.

High-purity transition-metal borides : Promising materials for present-day technology. The effect of the structural state on magnetic and hysteretic properties of compounds with high contents of a 3d transition metal, . R2Fe14 − xCoxB and RFe11 − xCoxTi (where R Y, Sm; 0 ≤ x ≤. Alexander M. Prokhorov, N. P. Lyakishev, G. S. Burkhanov, V. A. Dement'ev. R2Fe14 − xCoxB and RFe11 − xCoxTi (where R Y, Sm; 0 ≤ x . More).

Anhydrous iodides of high purity rare-earth metals are used in metal-halogenide lamps - high-pressure mercury lamps having additions of metal iodides and dysprosium, holmium and thulium iodides. Comparing to average incandescent lamps, such lamps have a number of significant advantages, such as high light efficiency, optical radiation spectrum close to daylight, brightness increased by 20 times, etc. Besides, application of rare-earth diodes provides new opportunities to create special metal-halide lamps without toxic mercury.

Devyatykh, Grigorii Grigorevich. Karasik, V. Kozlov, A. M. Prokhorov, A. K. Senatorov, High-sensitive fiber-optic rotating transducer, Dokl. Nauk SSSR, 269:2 (1983), 334–336.

Purity is a novel by American author Jonathan Franzen. His fifth novel, it was published on 1 September 2015 by Farrar, Straus and Giroux

Purity is a novel by American author Jonathan Franzen. His fifth novel, it was published on 1 September 2015 by Farrar, Straus and Giroux.

High-purity refractory and rare metals are used on an increasing scale in technology and fundamental investigations. The authors examine methods of producing these metals, single-crystal growth, and properties in relation to the content of impurities and perfection of the crystal lattice. Distillation processes are analysed in detail with consideration for their deviations from thermodynamic equilibrium, including special features of evaporation from the open surface. An optimum programme of the variation of the parameters of zone melting resulting in the required degree of purification with the minimum number of passes is determined. New mechanisms of recrystallisation in the solid phase in the presence of the liquid phase are described.

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