Table 4 Flow law parameters of dry dunites determined from the constant-strain rate experimental data. The bounds column contains the lower and upper bounds used for Gibbs sampling. Steady-state parameters for dunites are from Chopra and Paterson (1984). The errors are for one standard deviation
Parameter | Symbol | Value | Bounds | Unit | Study |
|---|---|---|---|---|---|
Pre-exponential factor | \(A_\mathrm {K}\) | \(10^{5.5\pm 0.6}\) | \(10^{-2}\) to \(10^{9}\) | \(\hbox {s}^{-1}\) \(\hbox {MPa}^{-\mathrm {n}_\mathrm {K}}\) | This study |
Hardening coefficient | \(G_\mathrm {K}\) | \(33\pm 0.3\) | 0.1 to 100 | GPa | This study |
Stress exponent | \(n_{\mathrm {K}}\) | \(2.0\pm 0.1\) | 0.1 to 10 | Â | This study |
Activation energy | \(E_{\mathrm {K}}\) | \(430\pm 20\) | 100-800 | kJ/mol | This study |
Young’s modulus | \(G_{\mathrm {M}}\) | \(92\pm 2\) | 10-200 | GPa | This study |
Pre-exponential factor | \(A_\mathrm {M}\) | \(10^{4.46\pm 0.09}\) | - | \(\hbox {s}^{-1}\) \(\hbox {MPa}^{-\mathrm {n}_\mathrm {M}}\) | Chopra and Paterson (1984) |
Stress exponent | \(n_{\mathrm {M}}\) | \(3.6\pm 0.1\) | - | Â | Chopra and Paterson (1984) |
Activation energy | \(E_{\mathrm {M}}\) | \(535\pm 15\) | - | kJ/mol | Chopra and Paterson (1984) |