Results 1 to 10 of about 17,852 (116)

Mechanical Properties of Additively Manufactured Composite Resin vs. Subtractively Manufactured Hybrid Ceramic Implant-Supported Permanent Crowns Before and After Thermal Aging [PDF]

open access: yesMicromachines
This study aims to compare the surface roughness and fracture resistance of implant-supported permanent crowns additively manufactured using composite resins (Crowntec, VarseoSmile) versus subtractively manufactured polymer-infiltrated hybrid ceramic ...
Nilufer Ipek Sahin, Emre Tokar
doaj   +2 more sources

Effects of high temperature and thermal cycles on fracture surface's roughness of granite: An insight on 3D morphology

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
The roughness of the fracture surface directly affects the strength, deformation, and permeability of the surrounding rock in deep underground engineering.
Qixiong Gu   +7 more
doaj   +3 more sources

Implementation and validation of the F4aT laboratory for flow in rough fractures [PDF]

open access: yesScientific Reports
Accurate characterization of fracture hydraulics is crucial for optimizing subsurface systems, notably geothermal energy extraction where high flow rates are essential for efficient energy production.
Carola M. Buness   +2 more
doaj   +2 more sources

HCF behavior of material Tc17 considering surface roughness Ra [PDF]

open access: yesMATEC Web of Conferences, 2022
Surface scratch has significant influence on the fatigue behavior of Ti-5Al-2Zr-4Mo-4Cr. In this paper, fatigue test with three different surface roughness are conducted, test results are recorded, including test data and fracture characteristics.
Gao Sibo   +6 more
doaj   +1 more source

Effect of fracture roughness on permeability coefficient under uniaxial compression

open access: yes工程科学学报, 2021
The surface roughness of natural rock-fractures is an important factor affecting the fractured rock mass flow characteristics and further complicating the flow process in the natural fractures.
Shuai WANG, Qing-lei YU, Ling WANG
doaj   +1 more source

Seepage Characteristics Study of Single Rough Fracture Based on Numerical Simulation

open access: yesApplied Sciences, 2022
Fracture seepage is an important aspect of groundwater research, but due to the closure of fractures and the randomness of wall surface roughness, it is a challenge to carry out relevant research.
Shidong Wang   +4 more
doaj   +1 more source

3D morphology and formation mechanism of fractures developed by true triaxial stress

open access: yesInternational Journal of Mining Science and Technology, 2022
As main part of underground rock mass, the three-dimensional (3D) morphology of natural fractures plays an important role in rock mass stability. Based on previous studies on 3D morphology, this study probes into the law and mechanism regarding the ...
Bing Chen   +4 more
doaj   +1 more source

Roughness of fracture surfaces in numerical models and laboratory experiments [PDF]

open access: yesSolid Earth, 2021
We investigate the influence of stress conditions during fracture formation on the geometry and roughness of fracture surfaces. Rough fracture surfaces have been generated in numerical simulations of triaxial deformation experiments using the discrete ...
S. Abe, H. Deckert
doaj   +1 more source

The Effect of Fracture Surface Roughness and Mechanical Aperture on the Onset of Nonlinear Flow Behaviors in 3D Self-Affine Rough Fractures

open access: yesGeofluids, 2022
Equivalent hydraulic aperture and fracture surface roughness are two significant factors affecting the fluid flow behaviors in rock fractures. To understand the role of fracture surface roughness and aperture in the fluid flow through 3D self-affine ...
Kangsheng Xue   +3 more
doaj   +1 more source

Machine Learning Application of Two-Dimensional Fracture Properties Estimation

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2023
Fractures are substantial contributors to solute transport sedimentary systems that form pathways. The pathway formed in a fracture has two physical parameters, there are mean aperture and surface roughness.
Ardian Nurcahya   +5 more
doaj   +1 more source

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