Table 2.

Size, mm			Young's modulus, GPa	Proportional limit, MPa	Compressive strength, MPa	Elastic deformation, %	Plastic deformation, %	Total deformation, %
a	b	h
3.87	3.77	1.52	3.90	317	500	12.5	9.5	22
3.31	3.31	1.37	3.68	294	511	16.1	9.9	26
2.97	2.90	1.16	4.52	297	485	13.1	7.9	21
2.59	2.57	1.04	4.20	340	454	10.8	9.2	20
2.25	2.26	0.91	4.77	355	523	14.2	8.8	23
1.83	1.87	0.74	5.23	371	511	10.7	8.3	19
1.53	1.55	0.61	4.81	387	541	15.6	8.4	24
1.17	1.19	0.47	5.88	304	502	15.2	6.8	22