The Vaporization Behavior and Thermodynamic Stability of Zirconium Carbide at High Temperature

The Vaporization Behavior and Thermodynamic Stability of Zirconium Carbide at High Temperature PDF Author: B. D. Pollock
Publisher:
ISBN:
Category : Thermodynamics
Languages : en
Pages : 24

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The Vaporization Behavior and Thermodynamic Stability of Zirconium Carbide at High Temperature

The Vaporization Behavior and Thermodynamic Stability of Zirconium Carbide at High Temperature PDF Author: B. D. Pollock
Publisher:
ISBN:
Category : Thermodynamics
Languages : en
Pages : 24

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Heats of Formation of Zirconium Carbide and Hafnium Carbide

Heats of Formation of Zirconium Carbide and Hafnium Carbide PDF Author: Alla D. Mah
Publisher:
ISBN:
Category : Hafnium
Languages : en
Pages : 16

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Report of Investigations

Report of Investigations PDF Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 656

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Discussion of Theoretical Studies

Discussion of Theoretical Studies PDF Author: Harold L. Schick
Publisher: Elsevier
ISBN: 1483273059
Category : Science
Languages : en
Pages : 685

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Thermodynamics of Certain Refractory Compounds, Volume I: Discussion of Theoretical Studies provides information pertinent to thermodynamics as a significant theoretical tool for predicting the chemical and physical behavior of materials under diverse environmental conditions. This book presents a summary of the methods used to analyze thermodynamic data. Organized into six chapters, this volume begins with an overview of the thermodynamic properties that have been obtained for a selected group of refractory compounds in the range from 0° to 6000°K. This text then examines the class of compounds, including the borides, oxides, carbides, and nitrides of some elements in groups IIA, IIIB, IVB, VB, VIB, VIIB, and VIII as well as some elements from the rare-earth and actinide series. Other chapters consider the need for standardization in methods of obtaining and presenting thermodynamic data. The final chapter deals with the recommendations for the advancement of work. This book is a valuable resource for scientists and engineers.

Nuclear Science Abstracts

Nuclear Science Abstracts PDF Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 612

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High Temperature Thermodynamics and Vaporization of the Zirconium--niobium--oxygen System

High Temperature Thermodynamics and Vaporization of the Zirconium--niobium--oxygen System PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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The vaporization behavior of the Zr--Nb--O system was studied by means of successive vaporization, Knudsen effusion-target collection experiments, and mass spectrometric analysis of the vapors effusing from a Knudsen crucible. The successive vaporization experiments were performed on two ternary samples in open crucibles. X-ray powder diffraction patterns of the residues and x-ray fluorescence analysis of the condensates and residues indicated the preferential vaporization of niobium-containing species with the composition of the residue subsequently becoming closer to that of congruently vaporizing ZrO/sub 2-x/. The Knudsen effusion-target collection experiments were employed on two samples, pure NbO2(s) and a two-phase ZrO2--NbO2 mixture, in order to obtain information on the activity of NbO2 in the two-phase mixture. Second law enthalpies and entropies of sublimation as well as third law enthalpies were obtained for both systems. The vaporization behaviors of five compositions in the Zr--Nb--O system, NbO2, NbO, a ZrO2--NbO2 two-phase mixture, Nb2O5, and Zr6Nb2O1--, were investigated. Above Nb2O5 and the fully oxidized Zr6Nb2O1-- oxygen is preferentially lost; over NbO2, the two-phase ZrO2--NbO2 system, and NbO the principal gaseous species is NbO2.

The Thermal Decomposition of Uranium Monocarbide

The Thermal Decomposition of Uranium Monocarbide PDF Author: P. A. Vozzella
Publisher:
ISBN:
Category : Decomposition (Chemistry)
Languages : en
Pages : 58

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Thermodynamic Properties of Cuprous and Cupric Ferrites

Thermodynamic Properties of Cuprous and Cupric Ferrites PDF Author: Ronald Barany
Publisher:
ISBN:
Category : Copper ferrite
Languages : en
Pages : 496

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Thermophysical Properties and Thermodynamic Stability of Zirconium Carbide as a Function of Non-stoichiometry

Thermophysical Properties and Thermodynamic Stability of Zirconium Carbide as a Function of Non-stoichiometry PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Low-temperature Heat Capacities and Entropies at 298.15° of Sulfides of Arsenic, Germanium and Nickel

Low-temperature Heat Capacities and Entropies at 298.15° of Sulfides of Arsenic, Germanium and Nickel PDF Author: John M. Gomes
Publisher:
ISBN:
Category : Aluminum
Languages : en
Pages : 586

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