# M. Levy, Handbook of Elastic Properties of Solids, Liquids, and Gases (2001)
# C. Zambaldi, "Orientation informed nanoindentation of a-titanium: Indentation pileup in hexagonal metals deforming by prismatic slip", J. Mater. Res., Vol. 27, No. 1, Jan 14, 2012
# Better use values from L. Wang, Z. Zheng, H. Phukan, P. Kenesei, J.-S. Park, J. Lind, R.M. Suter, T.R. Bieler, Direct measurement of critical resolved shear stress of prismatic and basal slip in polycrystalline Ti using high energy X-ray diffraction microscopy, Acta Mater 2017
N_sl: [3, 3, 0, 6, 12]
a_sl: 2.0
dot_gamma_0_sl: 0.001
h_0_sl-sl: 200.e+6
h_sl-sl: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
n_sl: 20
output: [gamma_sl]
type: phenopowerlaw
xi_0_sl: [0.15e+9, 0.09e+9, 0, 0.20e+9, 0.25e+9]
xi_inf_sl: [0.24e+9, 0.5e+9, 0, 0.6e+9, 0.8e+9]