Mechanical Attributes of Uniaxial Compression for Calcium Carbonate Whisker Reinforced Oil Well Cement Pastes

Table 4

The toughness index and capability coefficients index.

CaCO3 whisker; quality
	0%	1.35	1.40	1.67	0.99	0.34
3%	1.37	1.42	1.66	1.11	0.32
5%	1.45	1.51	1.92	1.55	0.84
8%	1.43	1.49	1.96	1.44	0.92
10%	1.43	1.51	2.06	1.54	1.11