Example 6 – Triangular Diagrams for Ternary Systems

The macro text below produces the example output. You can copy the text into your own EXP file, or use the example file DATAPLOT 6 - Ternary Plots.EXP available with your installation. To open the folder: From the Thermo‑Calc menu, select Help → Manuals Folder.

Output Example

In the DATAPLOT language, this type of diagram is only available for Console Mode.

Macro Text

$DATAPLOT Example 6 - Ternary Phase Diagram

PROLOG 6 EXAMPLE 6 0<X<0.969224, 0<Y<1.00000

XSCALE 0.00000 0.969224

YSCALE 0.307492E-01 1.00000

XTYPE LINEAR

YTYPE LINEAR

XLENGTH 11.5000

YLENGTH 11.5000

TITLE A-B-C at T=1000 K

XTEXT MOLE_FRACTION B

YTEXT MOLE_FRACTION C

DIAGRAM_TYPE TRIANGULAR YES YES

DATASET 6 Plot a ternary phase diagram

CLIP OFF

0.80 0.90 N'Example 6

0.86 0.31 N'B2C

0.52 0.97 N'Diamond

CHARSIZE 0.25

1.4E+01 1.10E+01 MVA'1:*B2C Liquid

1.4E+01 1.05E+01 MVA'2:*Diamond Liquid

0.10 0.10 N'Liquid

0.48 0.45 N'Diamond+

0.48 0.40 N' B2C+Liquid

5.80E-01 5.40E-02 MWA' 1

1.90E-01 2.40E-01 MWA' 1

0.65E-01 2.50E-01 MWA' 2

CHARSIZE 0.45

-0.10 -0.05 N'A

1.06 -0.05 N'B

0.48 1.05 N'C

CHARSIZE 0.35

$$ Calculated A-B-C Phase Equilibrium Data:

$ PHASE REGION FOR:

$F0 LIQUID

$E DIAMOND_A4

$F0 B2C

$ INVARIANT EQUILIBRIUM

COLOR 2

BLOCK X=C1; Y=C2; GOC=C3,WAD;

2.4555855989E-01 3.5568857193E-01 M

0.0000000000E+00 9.9999523163E-01

2.4555855989E-01 3.5568857193E-01 M

6.6666668653E-01 3.3333334327E-01

0.0000000000E+00 9.9999523163E-01 M

6.6666668653E-01 3.3333334327E-01

COLOR 1

BLOCKEND

$ PHASE REGION FOR:

$E LIQUID

$F0 B2C

BLOCK X=C1; Y=C2; GOC=C3,WAD;

$ PLOTTED COLUMNS ARE : X(LIQUID,B) and X(LIQUID,C)

2.2030337155E-01 1.2340000272E-01 M

2.2632879019E-01 1.1058768630E-01

2.3371633887E-01 9.9345825613E-02

2.4253317714E-01 8.9345827699E-02

2.6429468393E-01 7.2744041681E-02

2.8429466486E-01 6.2814079225E-02

2.9617273808E-01 5.8319382370E-02

3.2811737061E-01 4.9470417202E-02

3.6353862286E-01 4.3130427599E-02

3.9895987511E-01 3.8979098201E-02

4.5209178329E-01 3.5266116261E-02

5.2293431759E-01 3.3152002841E-02

6.1148744822E-01 3.3077053726E-02

6.4690870047E-01 3.3490389585E-02

6.8232995272E-01 3.4017231315E-02

7.3546189070E-01 3.4814555198E-02

7.5317251682E-01 3.5033416003E-02

8.0630439520E-01 3.5373892635E-02

8.5943627357E-01 3.4983776510E-02

9.1256815195E-01 3.3575300127E-02

9.6747112274E-01 3.0857827514E-02

9.6922445297E-01 3.0749246478E-02

2.2030337155E-01 1.2340000272E-01 M

2.1294665337E-01 1.5308913589E-01

2.1171525121E-01 1.8851040304E-01

2.1532440186E-01 2.2393165529E-01

2.2180187702E-01 2.5935292244E-01

2.2992117703E-01 2.9477417469E-01

2.3888295889E-01 3.3019542694E-01

2.4555855989E-01 3.5568857193E-01

$ PLOTTED COLUMNS ARE : X(B2C,B) and X(B2C,C)