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Ice737 (NG58): Ice II, from coarse-grained ice I (sieve size 0.5 - 1 mm)

T = 195 K, P to 280 MPa to form ice II  
T ≈ 110 K, P = 150.0 MPa, 1:10 gearing, udot=MR2000/V2.0, s to 230.7 MPa (1) no failure
T ≈ 110 K, P = 100.0 MPa, s to 216.2 MPa (2) no failure
T ≈ 110 K, P = 100.0 MPa, s to 213.4 MPa (3) no failure
T ≈ 110 K, P = 50.0 MPa, s to 201.9 MPa (4) (bang!) failure after 10 s
Remove as ice I (vessel frozen closed, warming necessary)  

after failure

jacket after

micrographs

chart record

run log