Johan Zietsman

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Questions related from Johan Zietsman

Electrical conduction in liquid slag - How does ionic conduction work?

There are two mechanisms for electrical conduction in liquid slags, ionic and electronic. My question is about ionic conduction. Given a hypothetical CaO-MgO-SiO2 slag, ionic conduction occurs...

21 August 2019 408 6 View

Thermal conductivity of Aluminium 5083 and 5754 alloys with temperature?

Hi everyone I need to determine the thermal conductivity of the 5083 and 5754 alloys of aluminium with temperature from 25 °C to 500 °C. I am building heat transfer models, which require this...

05 March 2019 6,892 6 View

How do I determine the enthalpy of formation of an ore?

Hi everyone I have 3 different ilmenite ores (nominally FeTiO3) with largely similar chemical and mineralogical compositions. I must emphasise that these are naturally occurring materials, and...

07 February 2019 6,752 7 View

Density of oxide solid solutions as a function of composition and temperature?

I need to determine the density of various oxide solid solution phases (e.g. spinel, silicates, pseudobrookite, etc.) as a function of composition and temperature. I want to use this information...

30 January 2019 6,177 1 View

Thermal conductivity of oxide solid solutions as a function of composition and temperature?

I need to determine the thermal conductivity of various oxide solid solution phases (e.g. spinel, silicates, pseudobrookite, etc.) as a function of composition and temperature. I want to use this...

30 January 2019 5,781 0 View