Congratulations to Gunnar Eriksson on the 50 years anniversary of his publication on SOLGAS

In Acta Chemica Scandinavica Gunnar Eriksson published a series of publications which culminated in 1971 in the third paper titled SOLGAS, a Computer Program for Calculating the Composition and Heat Condition of an Equilibrium Mixture. [1] In the abstract he stated: “A computer program named SOLGAS is described. SOLGAS is a program for calculating equilibrium …

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SimuSage at work

In connection with the Industry 4.0 initiative, tools for process simulation and process optimization are recently gaining in importance. In the context of metallurgy, its digitalization will work as an enabler of the „circular economy“ [1], by a combination of fundamentally-based process models, artificial intelligence, big data approaches and last by not least, guided by …

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A SimuSage Process Model for the Oxidative Stage of the TSL Process

In recent years, there has been a continuous societal and industrial effort to promote the so-called „circular economy“. According to this paradigm, for producing engineering materials in general, and metals and alloys in particular, the chemical elements which are presently necessary in our economy should not be extracted from the so-called primary ores but instead …

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FactSage online self-learning videos

Prof. In-Ho Jung from Seoul National University, our colleague and FactSage co-developer, gave a FactSage Workshop during the conference MOLTEN 2021. This workshop included self-learning videos which are freely available online via his website:  MOLTEN2021-FactSageWorkshop-HTTL The following topics were covered in the workshop: Thermodynamic Database Development Ferrous Pyrometallurgy Alloy Design Macro Processing It is an …

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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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A Simusage Process Model for the Iron Blast Furnace

Harvey and Gheribi[1] developed a thermochemistry-based model for the iron blast furnace. In their work, the corresponding process model was developed with a flowsheeting approach based on the connected local equilibrium reactors method, which was implemented using SimuSage, one of the very successful members the GTT’s product family. The model was constructed based on the …

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FactSage in Literature

I have just attended the virtual DGM meeting which is concluded by the award presentation. My congratulations go to Katharina Esleben from University of Siegen and her co-authors, who have received the Werner-Köster award for their article Effect of Cr and Ni on the microstructural evolution in Co–Re–Cr–Ni alloys in the International Journal of Materials …

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