type: phenopowerlaw
references:
  - T Takeuchi,
    Transactions of the Japan Institute of Metals 16(10), 629-640, 1975,
    10.2320/matertrans1960.16.629,
    fitted from Fig. 3b
output: [xi_sl, gamma_sl]
N_sl: [12]
h_sl-sl: [1, 1, 1.4, 1.4, 1.4, 1.4, 1.4]
n_sl: 20
a_sl: 1.0
h_0_sl-sl: 2.4e8
xi_0_sl: [1.5e6]
xi_inf_sl: [112.5e6]
dot_gamma_0_sl: 3e-3