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DAMASK_EICMD/examples/config/phase/mechanical/elastic/Hooke_Sn-beta.yaml

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Parameter set for beta-Sn
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type: Hooke
polishing
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Parameter set for beta-Sn
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references:
- J.A. Rayne and B.S. Chandrasekhar,
Physical Review 120(5):1658-1663, 1960,
https://doi.org/10.1103/PhysRev.120.1658,
don't fit close to 0K cryogenic temperatures are normally not of interest, avoid considering the strongly curved region below 80K in the fit gives probably better extrapolation properties for T>300K
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fit to Fig. 2 (T_min=100K, T_max=300K) and Tab. IV (C_13, T_min=77K, T_max=300K)
polishing
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don't fit close to 0K cryogenic temperatures are normally not of interest, avoid considering the strongly curved region below 80K in the fit gives probably better extrapolation properties for T>300K
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C_11: 72.90e+9
C_11,T: -4.399e+7
C_11,T^2: -2.645e+4
polishing
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Parameter set for beta-Sn
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C_12: 59.27e+9
don't fit close to 0K cryogenic temperatures are normally not of interest, avoid considering the strongly curved region below 80K in the fit gives probably better extrapolation properties for T>300K
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C_12,T: 1.058e+7
C_12,T^2: 1.002e+4
polishing
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avoid overfitting there are only 3 data points for C_13, with one close to 0K. Leave this point out and fit only a 1st order polynomial
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C_13: 35.80e+9
C_13,T: -2.870e+6
polishing
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don't fit close to 0K cryogenic temperatures are normally not of interest, avoid considering the strongly curved region below 80K in the fit gives probably better extrapolation properties for T>300K
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C_33: 88.78e+9
C_33,T: -5.250e+7
C_33,T^2: 3.546e+3
polishing
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Parameter set for beta-Sn
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C_44: 22.26e+9
don't fit close to 0K cryogenic temperatures are normally not of interest, avoid considering the strongly curved region below 80K in the fit gives probably better extrapolation properties for T>300K
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C_44,T: -1.982e+7
C_44,T^2: -8.711e+3
polishing
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don't fit close to 0K cryogenic temperatures are normally not of interest, avoid considering the strongly curved region below 80K in the fit gives probably better extrapolation properties for T>300K
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C_66: 24.18e+9
C_66,T: -1.806e+7
C_66,T^2: -4.112e+3
polishing
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Parameter set for beta-Sn
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T_ref: 293.15