micro-XRCT data set of Carrara marble with artificially created crack network: slow cooling down from 600°C

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Ruf, Matthias; Steeb, Holger, 2020, "micro-XRCT data set of Carrara marble with artificially created crack network: slow cooling down from 600°C", https://doi.org/10.18419/darus-754, DaRUS, V1

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Description	micro-XRCT data set (projections and reconstructed images) of a Carrara marble core with a diameter of 5 mm. The sample was extracted with a water-cooled diamond drill from a bigger sample with a diameter of 30 mm and a length of 80 mm which was before subjected to following thermal treatment to initiate cracks: Starting at room temperature (20°C), the sample was heated up with a rate of 3 K/min to 600°C. After a holding time of 2 hours at 600°C, the sample was subsequently slowly cooled down in the closed oven back to room temperature (20°C).
Subject	Computer and Information Science; Earth and Environmental Sciences; Engineering
Keyword	Carrara marble, micro X-ray computed tomography, cracks, fractures, rock mechanics
Related Publication	Lissa, S.; Ruf, M.; Steeb, H. & Quintal, B. (2020). Effects of crack roughness on attenuation caused by squirt flow in Carrara marble. SEG Technical Program Expanded Abstracts 2020. doi: 10.1190/segam2020-3427789.1
Data Generation	Experiment

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	projections.rar RAR Archive - 11.2 GB Published Jun 22, 2020 17 Downloads MD5: a10598071b4feca1c4ca5d11ba999a54 Projection images (360 deg, angle increment 0.2 deg), dark image (di) and open beam image (ob) in 16 bit *.tif file format.	Access File File Access Public Download Options RAR Archive Download Metadata Data File Citation EndNote XML RIS BibTeX
	reconstructed.rar RAR Archive - 21.5 GB Published Jun 22, 2020 21 Downloads MD5: fefe74f1589312584a3ff2772729e491 Reconstructed micro-XRCT data set in 16 bit *.tif file format. 2940x2940x2139 voxels with the uniform voxel size of 1.9983 µm.	Access File File Access Public Download Options RAR Archive Download Metadata Data File Citation EndNote XML RIS BibTeX

Citation Metadata

Dataset Persistent ID	doi:10.18419/darus-754
Publication Date	2020-06-22
Title	micro-XRCT data set of Carrara marble with artificially created crack network: slow cooling down from 600°C
Author	Ruf, Matthias (University of Stuttgart, Institute of Applied Mechanics (CE)) - ORCID: 0000-0003-0299-5921 Steeb, Holger (University of Stuttgart, Institute of Applied Mechanics (CE) & SimTech) - ORCID: 0000-0001-7602-4920
Contact	Use email button above to contact. Steeb, Holger (University of Stuttgart, Institute of Applied Mechanics (CE) & SimTech)
Description	micro-XRCT data set (projections and reconstructed images) of a Carrara marble core with a diameter of 5 mm. The sample was extracted with a water-cooled diamond drill from a bigger sample with a diameter of 30 mm and a length of 80 mm which was before subjected to following thermal treatment to initiate cracks: Starting at room temperature (20°C), the sample was heated up with a rate of 3 K/min to 600°C. After a holding time of 2 hours at 600°C, the sample was subsequently slowly cooled down in the closed oven back to room temperature (20°C).
Subject	Computer and Information Science; Earth and Environmental Sciences; Engineering
Keyword	Carrara marble micro X-ray computed tomography cracks fractures rock mechanics
Related Publication	Lissa, S.; Ruf, M.; Steeb, H. & Quintal, B. (2020). Effects of crack roughness on attenuation caused by squirt flow in Carrara marble. SEG Technical Program Expanded Abstracts 2020. doi: 10.1190/segam2020-3427789.1 https://doi.org/10.1190/segam2020-3427789.1 Lissa, S.; Ruf, M.; Steeb, H. & Quintal, B. (2021). Digital rock physics applied to squirt flow. Geophysics , 1–40. doi: 10.1190/geo2020-0731.1 https://doi.org/10.1190/geo2020-0731.1
Language	English
Producer	University of Stuttgart, Institute of Applied Mechanics (CE) - Chair for Continuum-Mechanics https://www.mib.uni-stuttgart.de/en/chair2/ University of Stuttgart - SC SimTech https://www.simtech.uni-stuttgart.de/
Production Date	2019-12-20
Production Place	University of Stuttgart, Institute of Applied Mechanics (CE)
Contributor	Data Collector : Ruf, Matthias Rights Holder : Steeb, Holger
Grant Information	Deutsche Forschungsgemeinschaft (DFG, German Research Foundation): STE 969/13-1 Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy: EXC 2075 - 390740016 Deutsche Forschungsgemeinschaft (DFG, German Research Foundation): SFB 1313 ‐ 327154368
Project	Seismic signature of hydraulic interconnectivity of fractures
Kind of Data	Image data
Related Datasets	Ruf, M., & Steeb, H. (2021). Effects of Thermal Treatment on Acoustic Waves in Carrara Marble: Measurement Data. DaRUS. https://doi.org/10.18419/darus-1862

Process Metadata

Processing Methods	Standard cone beam scanning of the centered sample (scan time: 15:45:15)
Method Parameters	Geometric magnification [-] : 24.7707 Source detector distance [mm] : 993.0082 Source object distance [mm] : 40.0879 X-ray tube voltage [kV] : 80 X-ray tube current [µA] : 100 Number of vertical detector pixel [pixel] : 2304 Number of horizontal detector pixel [pixel] : 2940 Detector pixel size [mm] : 0.0495 Resulting voxel size [µm] : 1.9983 Detector exposure time [ms] : 3000 Number of projection angles : 1800 Number of projections per angle : 1 Detector bad pixel map version : "ShadoBox6KHS_v2019-11-11" Detector in-plane (YZ-plane) moving pattern in pixel : [(0,0),(33,33),(33,-33),(-33,33),(-33,-33)] Detector in-plane (YZ-plane) positions according to moving pattern : 5 Number of dark images (di) : 1 Number of open beam images (ob) : 1 Position X-axis [mm] : 226.3750 Position Y-axis [mm] : 14.6580 Position Z-axis [mm] : 16.8000 Position x-axis [mm] : 0.2325 Position y-axis [mm] : -0.0238 Position switch detector axis [mm] : 452.0000 Position detector X-axis [mm] : 10.0000 Position detector Y-axis [counts] : 298400 Position detector Z-axis [counts] : 179240
Software	Octopus Reconstruction Version: 8.9.4.9
Instruments	micro-XRCT system , Version: Open and modular assembly, calibration: "ShadoBox6KHS_v2019-11-11" X-ray source , Version: FineTec FORE 180.01C TT Detector , Version: Shad-o-Box 6K HS with CsI scintillator Stage X-Axis , Version: Owis LIMES 170-1000-3HSM Stage Y-Axis , Version: Standa 8MT167-25LS-MEn1 Stage Z-axis , Version: Owis HVM-100-30-HSM-MS Stage x-axis , Version: Newport M423 stage with Nanotec ST2018L0804-A actuator Stage y-axis , Version: Newport M423 stage with Nanotec ST2018L0804-A actuator Stage rotZ-axis , Version: Standa 8MR190-2-28-MEn1 Stage switch detector , Version: ISEL 234 611 0079 with Vexta PK245M-01B stepper motor Stage detector X-axis , Version: Custom-made: Spindle with 5 mm pitch and Vexta PK245M-01B motor Stage detector Y-axis , Version: Standa 8MTF-75XX-MEn1 Stage detector Z-axis , Version: Standa 8MTF-75XX-MEn1 Multi-axis controller (8 channel) , Version: Standa 8SMC4-ETHERNET Multi-axis controller (12 channel) , Version: Standa 8SMC5-ETHERNET Sample holder , Version: M-BK-1A with 87.5 mm extension (50 mm spacer + 12.5 mm spacer + 25 mm special holder)

Engineering Metadata

Data Generation	Experiment
System or Phase Components	Thermally treated Carrara marble : Cylindrical sample with 5 mm diameter and 10 mm length

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