Table 1.

Summary of experimental results and associated material parameters for the DST and indentation tests

		Aligned
	Control	Elastic (storage) component of shear modulus
	μʹ (kPa)	${\mu }_1^{\mathrm{\prime }}(\text{kPa})$	${\mu }_2^{\mathrm{\prime }}(\text{kPa})$	${\mu }_1^{\mathrm{\prime }}/{\mu }_2^{\mathrm{\prime }}$
Mean Range	1.00 ± 0.52	1.08 ± 0.42	0.58 ± 0.21	1.88 ± 0.33
	0.49–1.74	0.54–1.87	0.26–0.94	1.45–2.46
	Indentation stiffness
	kexp (mN/mm)	$k_{\perp }^{\text{exp}}$ (mN/mm)	$k_{\parallel }^{\text{exp}}$ (mN/mm)	$k_{\perp }^{\text{exp}}/k_{\parallel }^{\text{exp}}$
Mean Range	177 ± 115	79 ± 41	141 ± 81	1.80 ± 0.48
	63–350	26–136	38–267	1.16–2.50
	Strain energy function parameters
	μ (kPa)	μ1 (kPa)	μ2 (kPa)	μ1/ μ2	${(\beta /{\mu }_2)}^{\frac{1}{2}}$
Mean Range	3.2 ± 2.2	2.7 ± 1.4	1.4 ± 0.7	1.9 ± 0.3	2.3 ± 2.4
	1.2–6.6	0.7–4.6	0.5–2.4	1.5–2.4	0–5.63
	Engineering constants
	E (kPa)	E1 (kPa)	E2 (kPa)	E1/E2	ν21	ν2
Mean Range	9.7 6 ± .6	24.1 ± 25.5	5.1 ± 2.6	4.5 ± 3.5	0.17 ± 0.09	0.82 ± 0.09
	3.5–19.8	3.0–72.4	1.6–8.5	1.9–9.9	0.05–0.26	0.73–0.94