If you have a composition consists of 5 or more different material and different mole fraction ratio, depend of what rule you will choose a suitable melting temperature in order not to evaporate any material of the composition.
Dear colleague Saman Q. Mawlud,
Have a nice time and good day.
Alsalamo Alicom wa rahmato allah wa barakatoh.
You can calculate calculate the melting point of any composition by studying the thermal history of the composition using one of the next techniques; DTA, DSC or TGA to study this issue. For example the DTA thermo-gram gives the four distinct temperatures; glass transition, Tg the onset of crystallization, Tc Peak of crystallization, Tp and melting point Tm. as depicted through the attached file. Also these parameters were used to study the thermal stability, so you need to know these four values to study the thermal stability and annealing temperature according to these obtained values. Also i had attached one paper may be useful and help you.
Yours
A. El-Denglawey
Asalamu Alaikum wa rahmatu allah wabarakatu
Dear Dr A. Eldenglawey
Thank you for your kind cooperation, actually I studied the thermal characteristics of glasses before and I used DTA for the thermal characterization, I totally agree with you after preparing the sample we can find the melting temperature through the DTA thermogram, but my question exactly is, how can you choose the melting temperature for the composition before preparing the sample?, thank you.
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