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Phase Diagrams of Ternary Systems

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Consider a ternary system, which is composed of three components: water (W), ethanoic acid (E), and trichloromethane (T). Here, Ethanoic acid (E) is fully miscible with both water (W) and trichloromethane (T), meaning it can mix entirely with either of them. However, water and trichloromethane have partial miscibility, meaning they can only mix to a certain extent, beyond which two separate phases will form.The phase diagram of a ternary system is represented as an equilateral triangle, where...

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Related Experiment Video

Updated: Apr 13, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

More statistics on intermetallic compounds - ternary phases.

Julia Dshemuchadse¹, Walter Steurer¹

¹Laboratory of Crystallography, Department of Materials, ETH Zurich, Zurich, Switzerland.

Acta Crystallographica. Section A, Foundations and Advances

|April 30, 2015

Summary

This summary is machine-generated.

This statistical analysis of intermetallic compounds reveals insights into their structure types and chemical compositions. It highlights the uniqueness of certain ternary structures and the limited exploration of possible ternary systems.

Keywords:

compositions crystal-structure statistics intermetallics structure types ternary compounds

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Last Updated: Apr 13, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

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Published on: June 7, 2018

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Demonstrating the Simplicity and In Situ Temperature Monitoring of the Mechanochemical Synthesis of Metal Chalcogenides Suitable for Thermoelectrics

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Area of Science:

Materials Science
Crystallography
Chemical Physics

Background:

Intermetallic compounds are crucial in materials science, exhibiting diverse crystal structures and chemical compositions.
Understanding their ordering principles is key to discovering new materials with desired properties.
Pearson's Crystal Data provides a comprehensive database for such analyses.

Purpose of the Study:

To statistically analyze the structures of known intermetallic compounds.
To investigate the diversity of structure types and chemical compositions among intermetallics.
To gain insights into the ordering principles governing intermetallic structures, focusing on ternary systems.

Main Methods:

Statistical analysis of 20,829 intermetallic phases from Pearson's Crystal Data.
Focus on a subset of 13,026 ternary intermetallics.
Utilizing structure maps with Mendeleev numbers as ordering parameters for chemical composition analysis.

Main Results:

Identified 1391 different structure types for ternary intermetallics.
Found 667 ternary structure types with only one representative, indicating unique structural characteristics.
Observed that ternary compounds are known for only 5109 out of 85,320 theoretically possible ternary systems.

Conclusions:

The study provides a statistical overview of intermetallic compound structures and compositions.
Unique ternary structure types warrant further investigation into their formation principles.
Significant potential exists for discovering new ternary intermetallic compounds within unexplored systems.