Crystalline phases &

crystallite size (nm)

Lattice parameter of ZrC

Lattice parameters

of ZrB₂

Sample

ZrC

ZrB₂

a (nm)

a (nm)

c (nm)

mixture

100.0 (121)

0.46896

1000˚C

37.3 (16)

1.9 (6)

0.46945

0.3137

0.3523

1100˚C

66.1 (139)

14.5 (12)

0.46946

0.3170

0.3510

1300˚C

64.7 (127)

29.6 (11)

0.46919

0.3170

0.35319

1500˚C

48.4 (49)

34.1 (5)

0.46865

0.3170

0.35313

1700˚C

55.6 (20)

44.2 (15)

0.46919

0.3174

0.35425

1800˚C

58.1 (10)

55.4 (14)

0.46882

0.3173

0.35337

1900˚C

55.7 (7)

46.9 (14)

0.46844

0.3170

0.35331