Databases

Li2O and P2O5 in the GTOx thermochemical database

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The GTOx oxide database was developed in-house at GTT-Technologies and in close cooperation with Forschungszentrum Jülich, IEK-2, specially with Elena Yazhenskikh. The thorough literature review  was performed concerning phase diagram information and thermochemical experiments (enthalpies of formation and transformation, component activities, oxygen partial pressures etc.). GTOx includes a description for different combinations of oxides, e.g. …

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Calphad Optimizer online training course

From November 16th to November 17th 2022 we will host the first two-day online training course for the Calphad Optimizer. On each day, the course will take half a day, from 1 pm to 5 pm Central European Time (CET). The Calphad Optimizer is our new tool to facilitate the development of thermodynamic databases based on the …

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GTT at the International Freiberg Conference 2022

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From September 19th to 21th 2022 the International Freiberg Conference on waste gasification (https://freiberg.gasification-freiberg.com/) will take place and we are excited to be there! Waste gasification is an important topic for us at GTT, because it contributes to the rational and efficient usage of natural resources.  GTT will be represented by two talks:  Talk 1: …

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GTT at MSE 2022

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From September 27th to 29th 2022 the Material Science and Engineering (MSE, https://dgm.de/mse/2022/) conference will take place in Darmstadt and we are excited to be there! In total, GTT will be represented by three talks: Talk 1: Building a common platform for thermodynamic optimizations Speaker: Florian Tang When: 09/28/2022, 9.20 AM CET Talk 2: Accuracy …

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From molar Gibbs energy functions to phase diagrams – Part II

In this blog post we will see how to interpret the phase activity of a phase which does not form in equilibrium for a given temperature and pressure. For this, we will consider an Al-Cu alloy containing 0.01 mol% Cu at a temperature of 500°C and at a pressure of 1 atm and we will …

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From molar Gibbs energy functions to phase diagrams

Al Cu Phase Diagram

In a series of posts, we will focus on the relation between phase diagrams, Gibbs energy functions and activities. Let us begin with the Al-Cu phase diagram at a temperature of 500 °C. In this blog post we will work exclusively with the FactSage Education Package. Let us suppose we have generated an Al-Cu phase-diagram …

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What is the difference between Fact Pure Substances and SGPS databases?

difference between FactSage and SGPS on the periodic table

I have been asked by a potential customer: “Do I need the Fact Pure Substances or SGTE Pure Substances database?” The answer is: It depends. The two databases are both collections of (normally published) thermochemical data. The Fact Pure Substances database FactPS is maintained by our co-developer of FactSage, Thermfact/CRCT, Polytechnique Montreal. It is generally …

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Understanding Solidification in Selective Laser Melting

Additive manufacturing is definetely a “hot topic” these days. And it is not only hot because of the extreme temperatures needed for processes like Selective Laser Melting (SLM) of molybdenum alloys! SLM of molybdenum alloys deserves attention because it combines a manufacturing process of the future with a material system that has the potential to …

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