Table 5 Calculated density (\(\rho \) in 103kg/m3), Hill-averaged bulk (B) and shear (G) moduli (in GPa), Pugh’s index (B/G), elastic constant ratio cii/cjj, compressional, Vp, and stress, Vs, wave velocities (in m/s) of lizardite and its chemical substitutions (A3(Si2O5)(OH)4), separated by group.

From: Mechanical Properties of Chemically Modified Clay

A

ρ

B

G

B/G

c11/c33

c66/c44

V p

V s

Vp/Vs

Mga

—

88.18

45.04

1.96

1.99

3.58

6360

3630

1.75

Mg

2.589

72.46

36.87

1.97

2.50

4.93

6854

3773

1.81

Ca

2.599

62.57

27.96

2.24

2.23

4.47

6198

3280

1.88

Mn

3.260

70.59

31.58

2.24

2.27

3.84

5879

3112

1.88

Fe

3.548

74.94

35.08

2.14

1.84

3.92

5857

3144

1.85

Ni

3.644

73.25

35.57

2.06

2.25

4.10

5754

3124

1.84

Zn

3.695

75.45

34.25

2.20

2.37

3.91

5725

3044

1.88

  1. The letter A is the element substituted in the lizardite structure.
  2. aMookherjee and Stixrude9 with DFT.
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