Release equation of state of dry and water-saturated porous calcite

Technical Report · Sat Nov 01 04:00:00 EST 1986

DOI:https://doi.org/10.2172/7021363· OSTI ID:7021363

Grady, D E; Moody, R L; Drumheller, D S

Equation of state data on calcite obtained from shock compression and release wave experiments are reported. Powder gun and two-stage gun impact technology along with time-resolved velocity interferometry, are used to produce and measure planar shock and release wave states. Experiments are performed on crystalline calcite and on dry- and water-saturated porous calcite at shock pressures ranging from 10 to 66 GPa. Developmental work required to perform high-pressure shock -wave experiments on porous samples with the two-stage gas gun is described. Lagrangian analysis methods are used to determine pressure-density release paths from measured wave profiles. A high-pressure phase change in calcite has been identified from the release-wave data. Calculational results obtained using a model based on a theory of immiscible mixture are compared with the experimental data.

• Research Organization: Sandia National Labs., Albuquerque, NM (USA)
• DOE Contract Number: AC04-76DP00789
• OSTI ID: 7021363
• Report Number(s): SAND-86-2110; ON: DE87003589
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603 -- Materials-- Properties
58 GEOSCIENCES
580300* -- Mineralogy
Petrology
& Rock Mechanics-- (-1989)
ALKALINE EARTH METAL COMPOUNDS
CALCITE
CALCIUM CARBONATES
CALCIUM COMPOUNDS
CARBON COMPOUNDS
CARBONATE MINERALS
CARBONATES
COMPRESSION
EQUATIONS
EQUATIONS OF STATE
HYDROGEN COMPOUNDS
MATERIALS
MINERALS
OXYGEN COMPOUNDS
POROUS MATERIALS
SHOCK WAVES
WATER