Issue56

H. Bai et alii, Frattura ed Integrità Strutturale, 56 (2021) 16-45; DOI: 10.3221/IGF-ESIS.56.02

96

72

64

88

56

80

48

Brittle modulus (MPa)

Brittle modulus (MPa)

72

40

35.0

37.5

40.0

42.5

45.0

60.0

62.5

65.0

67.5

70.0

Barite content (%)

Sand content (%)

80

75

70

60

65

60

40

55

Brittle modulus (MPa)

Brittle modulus (MPa)

20

50

1.0

1.5

2.0

2.5

0.0

0.5

1.0

1.5

2.0

Content of epoxide resin and polyamide (%)

Content of silicone rubber (%)

200

160

140

150

120

100

100

Brittle modulus (MPa)

Brittle modulus (MPa)

80

50

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

Rosin content (without silicone rubber) (%)

Rosin content (adding silicone rubber) (%)

Figure 6: Brittle modulus of ductile rock-like materials with different raw material ratios.

24