Quenching (update)

Schematic showing stages of Quenching Heat transfer during quenching into liquid is complicated when the quench medium forms a gas when heated to high temperatures. The quenching process is usually split into 3 -5 stages. Stage 1. Vapour blanket. Depends upon surface roughness, quenchant temperature, quenchant type, oxidation. Heat transfer by radiation through vapour layer [...]

Installing gnuplot on Windows

[updated July 2011] If you are still stuck with using windows for whatever reason, don’t despair you can still use gnuplot to plot your graphs! You can get gnuplot from the gnuplot project page on sourceforge. Browse versions to go to directory with latest updates. Download gp443win32.zip (or latest version) which is a self extracting [...]

Fitting polynomial equations with gnuplot

I wanted an equation to summarise the following data so that it could conveniently be used for some calculations, after many attempts I found that I could fit the data using 2, 6 order polynomials. One was fitted on the data between x = 0-200 and another in the range x = 200-900. Source files [...]

Mtdata example 2

:example by Mathew Peet Nov07 multiphase define system ‘Fe,Mn,C’ source tcfe ! :using tcfe database – other options are sol, ssol, plus, pluss, sub_sgte etc set w 100 ! :set total weight of system to 100 kg set w(1) undefined w(2) 1 w(3) 0.1 ! :this means 1 weight percent manganese and 0.1 weight percent [...]

Simple Math: Quadratic Equation

Gnuplot script