The only source of constitutional information on ALL inorganic material systems: above 71.000 element combinations. The world’s largest source of evaluated phase diagrams. New Search is released in September 2017.


General Features

Search the periodic table for phase diagram information

Ternary, Binary & p-T-x Evaluation Reports provide the intellectual critical evaluation of all published data and facts on each individual materials system.
Each evaluation report is a concise and - as far as published data allow – consistent phase diagram description for an individual binary or ternary system.
The world literature is thoroughly and systematically searched back to the year 1830. Then, the published data are critically evaluated by the MSIT experts in materials science and peer-reviewed under the authority of the MSIT Program Board.

Critical evaluation of phase diagrams means:

  • conflicts within the published data are pointed out, settled wherever possible and the arguments for rejecting or accepting data are given.
  • conclusions are drawn from the information gained from the many different articles. System Report does not speculate, but sticks to the facts. Reliably known data + the rules of heterogeneous equilibria + the competence of the author lead to new value added information.
  • conflicting diagrams are discussed in the evaluation report and one diagram is selected, even if the other may be equally good or bad. Decisions are justified in the text.
  • new diagrams are drawn from that data that appear to be reliable.
  • System Report is internally consistent throughout text, tables and phase diagrams and accepted binary systems
  • All Evaluation Reports are peer-reviewed.

Some reports incorporate selected thermodynamic calculations & experimental work performed by MSIT in support of the evaluation.

Access to the reports requires a valid license and the viewing software Eureka Viewer installed on a PC. Licenses can be purchased by Opens internal link in current windowcredit card or via Opens internal link in current windowsubscriptions. Eureka Viewer is free for download and comes automatically with some free, fully interactive, sample documents.


Ternary Evaluation Reports

Ternary Evaluation Reports are critical evaluations of ternary (3-component) systems. They provide critical intellectual evaluations of all (often conflicting) data on the phase equilibria and constitutional properties which are presented in the form of consistent, interactive System Reports, for each of the selected ternary materials systems.

The phase diagram of a ternary system is a complex 3-dimentional prism consisting of many surfaces, volumes, planes, lines, points, gaps, troughs, etc.
In contrast to other databases collecting randomly some diagrams (sections or projections), a Ternary Evaluation Report has in focus the ENTIRE phase diagram of a system - the entire prism: data from different publications are analysed together and made consistent between:

  • all known isothermal (horisontal) sections and different temperatures,
  • all known polythermal (vertical) sections along different concentrations,
  • all known projections of different surfaces (solidus, liquidus, solvus).

In general, the approach used to discuss the phase relationships is to consider changes in state and phase reactions which occur with decreasing temperature.

MSI ternary evaluation procedures are adopted by APDIC as quality standards. They are co-ordinated with the MSIT binary evaluations, improving the quality of evaluation.

See Opens internal link in current windowContent Types & Interactive Features of ternary evaluations.

Ternary Phase Diagram Evaluation results
Silver-Copper-Tin (Ag-Cu-Sn) Ternary Phase Diagram Evaluation Report 1
Silver-Copper-Tin (Ag-Cu-Sn) Ternary Phase Diagram Evaluation Report 2

Binary Evaluation Reports

Binary Evaluation Reports are critical evaluations of binary (2-component) systems. They provide critical intellectual evaluations of all (often conflicting) data on the phase diagram and constitutional properties which are presented in the form of consistent, interactive System Reports, for each of the selected binary system.
Binary Evaluations are coordinated with the relevant ternary evaluations to ensure agreement of evaluated information and a higher degree of reliability.

All relevant literature, from pre-1900 up to the publishing date is taken into account in the evaluations, along with experimental work & thermodynamic calculations undertaken in support of the MSIT Evaluation Programs.

See Opens internal link in current windowContent Types & Interactive Features of binary evaluations.

Binary Phase Diagram Evaluation results
Silver-Copper (Ag-Cu) Binary Phase Diagram Evaluation Report 1
Aluminium-Copper (Al-Cu) Binary Phase Diagram Evaluation Report 2


p - T - x Evaluations

A collection of evaluated pressure dependent phase diagrams & supporting data for some 180 binary systems. Evaluated by Prof. Yu. Levinsky.

See Opens internal link in current windowContent Types & Interactive Features of p-T-x evaluations.

p-T-x Phase Diagram Evaluation results
Silver-Sulphur (Ag-S) p-T-x Phase Diagram Evaluation Report


Overview: Content Types & Interactive Features

Content Types Ternary Evaluations Binary Evaluations p-T-x Evaluations
Descriptive text reports
Phase diagrams
Isothermal sections
Polythermal sections
Polythermal projections
Phase reactions
Reference lists
Crystal structure tables
Thermodynamic data
Reaction schemes
Micrographs
Notes on properties & applications
Other relevant information
Log P vs 1/T diagrams
Isobaric sections
T-x diagrams

Interactive Features Ternary Evaluations Binary Evaluations p-T-x Evaluations
Link between content type
Navigate via list of contents
Overlap phase diagrams
Zoom in on pictures and phase diagrams
Use mass %↔ atom % conversion
Link to Current Work Alert