Experimental Study on the Influence of Freezing Pressure on the Uniaxial Mechanical Properties of Ice

Table 3

Summary of the maximum tangent modulus before and after the peak of stress-strain curves.

Group	Strain rate (s^−1)	Freezing pressure (MPa)	Prepeak maximum tangent modulus Etb (GPa)	Maximum tangent modulus after peak Eta (GPa)
R2-0.5-1	1.5 × 10^−5	0.5	6.06	1.36
R2-0.5-2		0.5	6.00	1.28
R2-10-1		10	8.16	1.92
R2-10-2		10	7.95	2.11
R2-20-1		20	8.02	1.28
R2-20-2		20	7.75	1.01
R2-30-1		30	8.78	1.70
R2-30-2		30	8.42	1.52
R3-0.5-1	5 × 10^−6	0.5	5.06	1.01
R3-0.5-2		0.5	4.55	0.79
R3-10-1		10	7.53	1.67
R3-10-2		10	7.80	1.50
R3-20-1		20	6.28	0.89
R3-20-2		20	5.26	0.89
R3-30-1		30	8.80	1.49
R3-30-2		30	7.39	1.60
R4-0.5-1	1.5 × 10^−6	0.5	3.60	0.89
R4-0.5-2		0.5	3.04	0.57
R4-10-1		10	5.07	1.37
R4-10-2		10	4.88	1.13
R4-20-1		20	4.03	0.77
R4-20-2		20	4.33	0.58
R4-30-1		30	5.16	1.25
R4-30-2		30	5.05	1.30