Assessment of phase equilibria and thermodynamic properties in the Fe-RE (RE = rare earth metals) binary systems

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Publisher : OAE Publishing Inc.
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4./5 ( download)

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Book Synopsis Assessment of phase equilibria and thermodynamic properties in the Fe-RE (RE = rare earth metals) binary systems by : Hongjian Ye

Download or read book Assessment of phase equilibria and thermodynamic properties in the Fe-RE (RE = rare earth metals) binary systems written by Hongjian Ye and published by OAE Publishing Inc.. This book was released on 2023-07-12 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study focuses on investigating phase equilibria and thermodynamic stability of intermetallic compounds made of the transition metal Fe and rare earth (RE) elements. By using the CALPHAD method and reliable experimental information from the literature, the binary systems of Fe-Y, Fe-Er, and Fe-Lu were reassessed. To improve our previous calculations of Fe-RE (RE = Tb and Dy) binary systems, the Gibbs energy expressions of intermetallic compounds Fe2Tb and Fe2Dy were modified to avoid artificial breaks in their heat capacity curves. Thermodynamic parameters obtained are self-consistent, and the Gibbs energies of the Fe-RE (RE = Tb, Dy, Er, Lu, and Y) phases were accurately expressed to reappear available both thermodynamic data and phase equilibria. This work was further combined with the previous calculations of the Fe-RE (RE = La, Ce, Pr, Nd, Sm, Gd, Ho, and Tm) systems to discuss thermodynamic characteristics and phase equilibria of Fe-RE binary systems in detail. A trend was noticed for the change of thermodynamic properties and phase equilibria of the Fe-RE binary systems with RE atomic number. Generally, as the RE atomic number increases, the formation temperatures of the Fe-RE intermetallic compounds increase gradually, and the enthalpy of mixing of liquid Fe-RE (apart from Fe-Y and Fe-Ce) alloys and the enthalpy of formation of the Fe-RE (apart from Fe-Y, Fe-Ce, Fe-Gd, and Fe-Dy) intermetallic compounds become increasingly negative. The results provide a thorough set of thermodynamic parameters of thirteen Fe-RE binary systems, which could serve as a sound basis for developing a thermodynamic database of Fe-RE-based alloy systems.

Thermodynamic Data, Models, and Phase Diagrams in Multicomponent Oxide Systems

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Publisher : Springer Science & Business Media
ISBN 13 : 3662105047
Total Pages : 216 pages
Book Rating : 4.6/5 (621 download)

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Book Synopsis Thermodynamic Data, Models, and Phase Diagrams in Multicomponent Oxide Systems by : Olga Fabrichnaya

Download or read book Thermodynamic Data, Models, and Phase Diagrams in Multicomponent Oxide Systems written by Olga Fabrichnaya and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book involves application of the Calphad method for derivation of a self consistent thermodynamic database for the geologically important system Mg0- Fe0-Fe203-Alz03-Si02 at pressures and temperatures of Earth's upper mantle and the transition zone of that mantle for Earth. The created thermodynamic database reproduces phase relations at 1 bar and at pressures up to 30 GPa. The minerals are modelled by compound energy formalism, which gives realistic descriptions of their Gibbs energy and takes into account crystal structure data. It incorporates a detailed review of diverse types of experimental data which are used to derive the thermodynamic database: phase equilibria, calorimetric stud ies, and thermoelastic property measurements. The book also contains tables of thermodynamic properties at 1 bar (enthalpy and Gibbs energy of formation from the elements, entropy, and heat capacity, and equation of state data at pressures from 1 bar to 30 GPa. Mixing parameters of solid solutions are also provided by the book. Table of Contents Introduction to the Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VII Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XI Co-Authors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XIII Vitae of Co-Authors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XV CODATA Task Group on Geothermodynamic Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XXIII Chapter 1. Thermodynamics and Modeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. 2 Thermodynamic Modeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. 3 Experimental Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1. 4 Programs and Assessment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 System and Phases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1. 5 Chapter 2. Experimental Phase Equilibrium Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 The Si02 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2. 1 2. 2 The Fe-0 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2. 3 The Fe-Si-0 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2. 4 The Mg0-Si0 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Semiconductor and Metal Binary Systems

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Publisher : Springer
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.:/5 (44 download)

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Book Synopsis Semiconductor and Metal Binary Systems by : V.M. Glazov

Download or read book Semiconductor and Metal Binary Systems written by V.M. Glazov and published by Springer. This book was released on 1989-06-30 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to the fundamentals of the theoretical analysis of phase equilibrium diagrams. Phase diagrams are known to play an important role in met allurgy and materials science, chemical engineering, petroleum refining, etc. A study of phase diagrams can help in choosing the optimal composition of mixtures and alloys and in determining the appropriate conditions for their thermal treatment, as well as in determining the efficiency of such processes as distillation, rectifica tion, zone refining, and controlled crystallization for the separation and purifi(;ation of materials. In spite of this, the extensive thermodynamic information which can be extracted from phase diagrams has scarcely been utilized until recently, due to the of the analysis of phase equilibria. comparatively poorly developed foundations We have attempted to present a general picture of the thermodynamic analysis of phase diagrams, and to demonstrate the broad possibilities of this approach in elucidating the nature of the interaction of the components and the structure of the phases. This book summarizes research carried out at the Moscow Institute of Electronic Engineering over the past decade. Extensive summaries of published data are also included. In the course of our work we have made extensive use of modern computing methods, which allowed solutions to be obtained to many problems.

Cr-Cs ... Cu-Zr

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Publisher : Springer
ISBN 13 : 9783540560739
Total Pages : 354 pages
Book Rating : 4.5/5 (67 download)

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Book Synopsis Cr-Cs ... Cu-Zr by : B. Predel

Download or read book Cr-Cs ... Cu-Zr written by B. Predel and published by Springer. This book was released on 1994-11-17 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: For everyone concerned with the technology and application of metals and alloys and with the development of new metallic materials, a detailed knowledge of phase equilibria is indispensable. Also, information on the thermodynamical and crystallographical data of the systems under investigation is essential, and often metastable crystalline phases as well as quasicrystalline or amorphous alloys are of interest. Vol. IV/5 therefore presents all these data. Because of the large amount available of experimental evidence and thermochemical calculations, a presentation in one volume, as it was realized several decades ago in the widely used book of M. Hansen "Aufbau der Zweistoff-Legierungen" proved to be impossible. So volume IV/5 had to be divided into several subvolumes which cover - in alphabetical order - all binary systems of importance. Subvolume IV/5d, the fourth of the series, deals with the systems Cr-Cs ... Cu-Zr. Further subvolumes will follow shortly.

Nuclear Science Abstracts

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Publisher :
ISBN 13 :
Total Pages : 722 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Nuclear Science Abstracts by :

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-02 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Metals Abstracts

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Publisher :
ISBN 13 :
Total Pages : 1620 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Metals Abstracts by :

Download or read book Metals Abstracts written by and published by . This book was released on 1994 with total page 1620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Statistical Thermodynamics of Alloys

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Publisher : Springer Science & Business Media
ISBN 13 : 1468450530
Total Pages : 330 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Statistical Thermodynamics of Alloys by : N.A. Gokcen

Download or read book Statistical Thermodynamics of Alloys written by N.A. Gokcen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended for scientists, researchers, and graduate students interested in solutions in general, and solutions of metals in particular. Readers are assumed to have a good background in thermodynamics, presented in such books as those cited at the end of Chapter 1, "Thermo dynamic Background." The contents of the book are limited to the solutions of metals + metals, and metals + metalloids, but the results are also appli cable to numerous other types of solutions encountered by metallurgists, materials scientists, geologists, ceramists, and chemists. Attempts have been made to cover each topic in depth with numerical examples whenever necessary. Chapter 2 presents phase equilibria and phase diagrams as related to the thermodynamics of solutions. The emphasis is on the binary diagrams since the ternary diagrams can be understood in terms of the binary diagrams coupled with the phase rule, and the Gibbs energies of mixing. The cal culation of thermodynamic properties from the phase diagrams is not emphasized because such a procedure generally yields mediocre results. Nevertheless, the reader can readily obtain thermodynamic data from phase diagrams by reversing the detailed process of calculation of phase diagrams from thermodynamic data. Empirical rules on phase stability are given in this chapter for a brief and clear understanding of the physical and atomistic factors underlying the alloy phase formation.

Phase Equilibria, Phase Diagrams and Phase Transformations

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Publisher : Cambridge University Press
ISBN 13 : 1139465864
Total Pages : 525 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis Phase Equilibria, Phase Diagrams and Phase Transformations by : Mats Hillert

Download or read book Phase Equilibria, Phase Diagrams and Phase Transformations written by Mats Hillert and published by Cambridge University Press. This book was released on 2007-11-22 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational tools allow material scientists to model and analyze increasingly complicated systems to appreciate material behavior. Accurate use and interpretation however, requires a strong understanding of the thermodynamic principles that underpin phase equilibrium, transformation and state. This fully revised and updated edition covers the fundamentals of thermodynamics, with a view to modern computer applications. The theoretical basis of chemical equilibria and chemical changes is covered with an emphasis on the properties of phase diagrams. Starting with the basic principles, discussion moves to systems involving multiple phases. New chapters cover irreversible thermodynamics, extremum principles, and the thermodynamics of surfaces and interfaces. Theoretical descriptions of equilibrium conditions, the state of systems at equilibrium and the changes as equilibrium is reached, are all demonstrated graphically. With illustrative examples - many computer calculated - and worked examples, this textbook is an valuable resource for advanced undergraduates and graduate students in materials science and engineering.

CALPHAD and Alloy Thermodynamics

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Publisher : Minerals, Metals, & Materials Society
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis CALPHAD and Alloy Thermodynamics by : Patrice E. A. Turchi

Download or read book CALPHAD and Alloy Thermodynamics written by Patrice E. A. Turchi and published by Minerals, Metals, & Materials Society. This book was released on 2002 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings emphasize all theoretical aspects of computational thermodynamics and kinetics and their impact on the science of alloys and materials design. The book offers an assesment of the CALPHAD (Calculation of Phase Diagrams) approach pioneered by Larry Kaufman.

IRON—Binary Phase Diagrams

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Publisher : Springer Science & Business Media
ISBN 13 : 3662080249
Total Pages : 194 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis IRON—Binary Phase Diagrams by : O. Kubaschewski

Download or read book IRON—Binary Phase Diagrams written by O. Kubaschewski and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: At the official dinner of a· meeting in May 1939, I was seated next to Max Hansen. When I congratulated him on the well deserved success of his "Aufbau der Zweistoff-Legierungen", he smiled: "yes, it was a struggle with the hydra, and so it has taken me seven years", meaning that whenever he had thought to have finished the phase diagram of a particular system, new evidence would turn up like the new heads of the Greek monster. There is no need to point out the importance of assessed phase diagrams to metallurgists or even anyone concerned with the technology and applica tion of metals and alloys. The information contained therein is fundamental to considerations concerning the chemical, physical and mechanical properties of alloys. Hansen's German monograph was followed by a revised English edition in 1958 with K. Anderko and the supplements by R.P. Elliott (1965) and F.A. Shunk (1969). All those who have made use of these volumes will admit that much diligent labour has gone into this work, necessary to cope with the ever increasing number of publications and the consequent improvements.

Proceedings of the Twelfth International Conference on Solid Compounds of Transition Elements

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Publisher :
ISBN 13 :
Total Pages : 906 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Proceedings of the Twelfth International Conference on Solid Compounds of Transition Elements by : Henri Noel

Download or read book Proceedings of the Twelfth International Conference on Solid Compounds of Transition Elements written by Henri Noel and published by . This book was released on 1997 with total page 906 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Metals Abstracts Index

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ISBN 13 :
Total Pages : 1622 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Metals Abstracts Index by :

Download or read book Metals Abstracts Index written by and published by . This book was released on 1996 with total page 1622 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Engineering Index Annual

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ISBN 13 :
Total Pages : 2264 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis The Engineering Index Annual by :

Download or read book The Engineering Index Annual written by and published by . This book was released on 1992 with total page 2264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its creation in 1884, Engineering Index has covered virtually every major engineering innovation from around the world. It serves as the historical record of virtually every major engineering innovation of the 20th century. Recent content is a vital resource for current awareness, new production information, technological forecasting and competitive intelligence. The world?s most comprehensive interdisciplinary engineering database, Engineering Index contains over 10.7 million records. Each year, over 500,000 new abstracts are added from over 5,000 scholarly journals, trade magazines, and conference proceedings. Coverage spans over 175 engineering disciplines from over 80 countries. Updated weekly.

Elements and Binary Systems from Ag-AI to Au-TI

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Publisher : Springer
ISBN 13 : 9783540653271
Total Pages : 304 pages
Book Rating : 4.6/5 (532 download)

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Book Synopsis Elements and Binary Systems from Ag-AI to Au-TI by :

Download or read book Elements and Binary Systems from Ag-AI to Au-TI written by and published by Springer. This book was released on 2002-10-15 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermodynamic data, in conjunction with appropriate software for calculation of complex chemical equilibria, are finding wide application in many areas of materials design and development. In particular, the last 25 years have seen enormous advances in the thermodynamic modelling of alloy solution phases, whereby a knowledge of the underlying crystallographic structure of each phase is fundamental to a reliable representation of the thermodynamic properties and phase equilibria of a particular system of interest. With the aid of thermodynamic calculations, considerable time and costs can and are being saved in producing a material of the required composition and phase constitution required for a particular application. SGTE has been at the forefront in providing critically assessed thermodynamic data for alloy systems and has provided guidelines for the modelling of alloy phases of different types. Major advantages of the SGTE data are their self-consistency, the fact that they are produced with careful attention to a well-defined quality procedure and that the expertise of SGTE members in various areas of inorganic chemistry and materials science allows review of the numbers by highly qualified scientists in the fields concerned.

Proceedings of the 4th International School and Symposium on Synchrotron Radiation in Natural Science

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Publisher :
ISBN 13 :
Total Pages : 728 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Proceedings of the 4th International School and Symposium on Synchrotron Radiation in Natural Science by :

Download or read book Proceedings of the 4th International School and Symposium on Synchrotron Radiation in Natural Science written by and published by . This book was released on 1999 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cohesion in Metals

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Publisher : North Holland
ISBN 13 :
Total Pages : 788 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Cohesion in Metals by : Frank R. Boer

Download or read book Cohesion in Metals written by Frank R. Boer and published by North Holland. This book was released on 1988 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hardbound. - Complete collection of phase diagrams; - Up-to-date experimental information and bibliography on thermochemical data; - Formation enthalpies as predicted by the Miedema model for binary solid and liquid solutions and compounds. The first volume in this series presents a complete collection of heat of formation data on binary intermetallic compounds that contain at least one transition metal.Both solid compounds and liquid alloys are considered. A complete table of model predictions is given for systems which lack this experimental information and the origin of the model and the accuracy of the predictions are discussed extensively. Furthermore, the authors demonstrate the applicability of the atomic model in predicting energy effects in metal science in general. When surface energies and vacancy-formation energies of pure metals and model values for enthalpies of alloying are available, one can deal with a large variety of proble

Cr-Cs ... Cu-Zr

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Publisher : Springer
ISBN 13 : 9783540560739
Total Pages : 354 pages
Book Rating : 4.5/5 (67 download)

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Book Synopsis Cr-Cs ... Cu-Zr by : B. Predel

Download or read book Cr-Cs ... Cu-Zr written by B. Predel and published by Springer. This book was released on 1994-11-17 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: For everyone concerned with the technology and application of metals and alloys and with the development of new metallic materials, a detailed knowledge of phase equilibria is indispensable. Also, information on the thermodynamical and crystallographical data of the systems under investigation is essential, and often metastable crystalline phases as well as quasicrystalline or amorphous alloys are of interest. Vol. IV/5 therefore presents all these data. Because of the large amount available of experimental evidence and thermochemical calculations, a presentation in one volume, as it was realized several decades ago in the widely used book of M. Hansen "Aufbau der Zweistoff-Legierungen" proved to be impossible. So volume IV/5 had to be divided into several subvolumes which cover - in alphabetical order - all binary systems of importance. Subvolume IV/5d, the fourth of the series, deals with the systems Cr-Cs ... Cu-Zr. Further subvolumes will follow shortly.