Academic literature on the topic 'Microfractura'

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Journal articles on the topic "Microfractura"

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Sánchez, Santana Ulises, Gerardo Presbítero-Espinosa, and José María Quiroga-Arias. "Aplicación de análisis de microfracturas para prevención de fracturas por fatiga en materiales mediante pruebas no destructivas." Revista Latinoamericana de Difusión Científica 6, no. 11 (2024): 87–111. https://doi.org/10.5281/zenodo.12687168.

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<em>Objetivo</em>: Determinar, establecer y verificar metodolog&iacute;as y campos de estudio hacia procedimientos de predicci&oacute;n precisos para la prevenci&oacute;n de fracturas por fatiga en materiales industriales, mediante el desarrollo de microfracturas y el uso de ensayos no destructivos.&nbsp;<em>Metodolog&iacute;a</em>: Se implementan ensayos de fatiga en materiales de uso industrial, utilizando m&aacute;quinas de ensayo mec&aacute;nicas universales capaces de realizar esfuerzos de fatiga. En cuanto al uso de equipos de an&aacute;lisis no destructivo, se utiliz&oacute; un sistema
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Li, Chunguang, Dongqi Wang, Daiyin Yin, and Yang Sun. "Fractal Dimension and Classification Evaluation of Microfractured Tight Reservoirs in Yongjin Oilfield." Processes 13, no. 7 (2025): 2228. https://doi.org/10.3390/pr13072228.

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The microfractured tight reservoirs in Yongjin Oilfield have low permeability and a complex pore structure. The development of microfractures in reservoirs is crucial for their impact on productivity. To understand the impact of pore structure and microfracture development on permeability and productivity, research on the fractal dimension and classification evaluation of microfractured tight reservoirs is proposed. Micropore and microfracture parameter characteristics are determined via CT scanning and mercury intrusion experiments. Based on the fractal theory and box counting dimension metho
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Wang, Muyuan, Keliu Wu, Qingyuan Zhu, and Jiawei Ye. "Unveiling the Impact of Microfractures on Longitudinal Dispersion Coefficients in Porous Media." Processes 13, no. 3 (2025): 722. https://doi.org/10.3390/pr13030722.

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Longitudinal dispersion coefficient is a key parameter governing solute transport in porous media, with significant implications for various industrial processes. However, the impact of microfractures on the longitudinal dispersion coefficient remains insufficiently understood. In this study, pore-scale direct numerical simulations are performed to analyze solute transport in microfractured porous media during unstable miscible displacement. Spatiotemporal concentration profiles were fitted to the analytical solution of the convection–dispersion equation to quantify the longitudinal dispersion
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Hidalgo Acosta, Javier Aquiles, Eduardo Luis Esquivia Martínez, Juan Carlos Briones Olvera, et al. "Lesiones osteocondrales de rodilla por sobreuso en adultos, técnicas quirúrgicas terapéuticas actuales. Reporte de dos casos clínicos." Mediciencias UTA 7, no. 1 (2023): 76–83. http://dx.doi.org/10.31243/mdc.uta.v7i1.1935.2023.

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Introducción Las lesiones osteocondrales de rodilla consisten en una anomalía localizada que afecta la médula subcondral, el hueso subcondral y el cartílago articular, son un desafío clínico, principalmente en pacientes jóvenes. Los dolores que presentan este grupo de pacientes afectan grandemente su calidad de vida, limitando su actividad física y desarrollo osteomuscular. Actualmente existen técnicas quirúrgicas que pueden remediar estos trastornos, mejorando el estilo de vida de los pacientes. Objetivos: describir dos casos clínicos de lesiones osteocondrales de rodilla por sobreuso en adul
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Zhang, Jianyong, Zhendong Cui, Xiaopeng Chen, and Longfei Li. "Research Progress on the Microfracture of Shale: Experimental Methods, Microfracture Propagation, Simulations, and Perspectives." Applied Sciences 14, no. 2 (2024): 784. http://dx.doi.org/10.3390/app14020784.

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The fracture network generated by hydraulic fracturing in unconventional shale reservoirs contains numerous microfractures that are connected to macroscopic fractures. These microfractures serve as crucial pathways for shale gas to flow out from micro- and nano-scale pores, playing a critical role in enhancing shale gas recovery. Currently, more attention is being given by academia and industry to the evolution of macroscopic fracture networks, while the understanding of the microfracture mechanisms and evolution is relatively limited. A significant number of microfractures are generated durin
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Li, Pingping, Qianshen Li, Lei Li, and Huayao Zou. "A New Method for Comprehensive and Quantitative Characterization of Shale Microfractures: A Case Study of the Lacustrine Shale in the Yuanba Area, Northern Sichuan Basin." Energies 16, no. 15 (2023): 5685. http://dx.doi.org/10.3390/en16155685.

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Microfractures can connect isolated pores within shale, significantly increasing the shale’s storage capacity and permeability, and benefiting shale gas exploitation. Therefore, the quantitative characteristics of microfractures are important parameters for shale reservoir evaluation. In this paper, taking the Jurassic Da’anzhai Member (J1z4) lacustrine shale in the Yuanba area of the northern Sichuan Basin as an example, we propose a method for comprehensive and quantitative characterization of shale microfractures that combines rock thin section (RTS) and scanning electron microscopy (SEM) o
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Calvo R, Rafael, David Figueroa P, Nelson Morales C, Francisco Figueroa B, and Rafael Calvo M. "Lesión osteocondral extensa de cóndilo femoral; tratamiento en un tiempo con matriz colágena y concentrado de médula ósea – reporte de un caso." Revista Chilena de Ortopedia y Traumatología 58, no. 03 (2017): 100–105. http://dx.doi.org/10.1055/s-0037-1615254.

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ResumenEl tratamiento de las lesiones osteocondrales de gran tamaño y profundidad resultan un desafío debido a que las técnicas habituales (microfractura o transplante osteocondral autólogo), son insuficientes para cubrir el defecto; eso es particularmente importante en pacientes jóvenes, pues se debe intentar técnicas que generen la menor comorbilidad posible. Presentamos un caso de un paciente de 18 años con una lesión osteocondral de 6 cm2 por 14 mm de profundidad, tratado mediante autoinjerto óseo, concentrado de médula ósea y matriz colágena, con resultados satisfactorios tanto en lo func
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Wang, Kai, Lianguo Wang, Bo Ren, and Hao Fan. "Study on Seepage Simulation of High Pressure Grouting in Microfractured Rock Mass." Geofluids 2021 (February 3, 2021): 1–12. http://dx.doi.org/10.1155/2021/6696882.

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In coal mines, under high in situ stress and strong mining activity, roadway surrounding rock commonly contains large amounts of larger fractures and microfractures. Along with the large deformation and continuous rheology of the soft rock roadway, the fractures in the surrounding rock are likely to be compressed and closed, forming undeveloped microfractures, which hinder conventional grouting support methods. Based on the fluid-solid coupling between slurry seepage and microfracture deformation, a theoretical model of microfracture grouting seepage is established. A program for the analysis
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Kong, Xiangye, Jianhui Zeng, Xianfeng Tan, et al. "Genetic Types and Main Control Factors of Microfractures in Tight Oil Reservoirs of Jimsar Sag." Geofluids 2021 (July 23, 2021): 1–19. http://dx.doi.org/10.1155/2021/5558551.

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Microfractures are key for migrating and aggregating hydrocarbon source rocks and fracturing oil-gas exploitation in tight reservoirs. In this study, rock samples from the Lucaogou Formation tight reservoirs in Xinjiang, China, were studied using multidisciplinary techniques to investigate the genetic types and main control factors of microfractures. Results indicated that the Lucaogou Formation mainly developed diagenetic microfractures followed by tectonic microfractures, with slight formations of granular microfractures. These observations were used to clarify the relationship between the d
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SHAYAN, MAHDIS, YOUNGJAE CHUN, WOOCHUL LIM, et al. "COMPUTATIONAL ANALYSIS OF THE REGENERATED KNEE STRUCTURE AFTER BONE MARROW STIMULATION TECHNIQUES." Journal of Mechanics in Medicine and Biology 15, no. 03 (2015): 1550036. http://dx.doi.org/10.1142/s0219519415500360.

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Bone marrow stimulation techniques, such as abrasion arthroplasty or microfracture, have been widely used for repairing cartilage; however, the mechanical stress analysis of these surgical techniques has not been fully investigated. In this study, finite element analysis was used to investigate stresses produced in complex structures (e.g., cartilage, subchondral bone and trabecular bone) using 2D knee structural models. Abrasion arthroplasty creates global damages only in subchondral bone, but, microfracture technique creates local damages in both trabecular and subchondral regions. Although
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Dissertations / Theses on the topic "Microfractura"

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Toal, Victoria Rachel. "The mechanics of microdamage and microfracture in trabecular bone." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/62884/1/Victoria_Toal_Thesis.pdf.

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This thesis presents a study using mechanical testing techniques combined with advanced computational methods to examine the mechanics of bone. It contributes novel observations and analysis of how bones fail at the microscopic level, which will be valuable in furthering our understanding and the treatment of bone damage in health and disease, including osteoporosis.
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Rainey, Michelle M. "Microfractures in the weathering of igneous rock." Thesis, Queen's University Belfast, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239231.

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DUEZ, MICHEL. "Fractures et microfractures de l'organe dentaire : cas particuliers et detection." PARIS 6, DENTAIRE, 1994. http://www.theses.fr/1994PA06H003.

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Fan, Zhiqiang. "Primary migration of hydrocarbons through microfracture propagation in petroleum source rocks." Thesis, The University of Maine, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3573311.

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<p>Petroleum is generated from finely grained source rocks rich in organic materials and accumulated and trapped in reservoir rocks with relatively higher permeability and porosity. Expulsion of petroleum through and out of source rocks is called primary migration. Primary migration, as a link between source rocks and carrier rocks, presents a vital challenge to the society of petroleum geosciences and exploration and attracts the research interests of many geologists and geochemists. Despite extensive research the effective mechanisms responsible for primary migration of hydrocarbons are stil
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Liebesny, Paul Hancock. "Single-dose growth factor treatments to enhance cell recruitment and neotissue integration in an augmented microfracture cartilage repair model." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104225.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Biological Engineering, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 198-215).<br>Focal cartilage defects caused by joint injury have a limited capacity to self-repair, and if left untreated, can lead to the early onset of osteoarthritis. The current gold standard of care, microfracture surgery, induces an endogenous repair response, but typically results in poorly integrated fibrocartilage, rather than native hyaline cartilage. The objective of this thesis was to test the hypot
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Doria, Jaureguizar Guillermo. "Estudio in vitro mediante microscopio electrónico de barrido de las microfracturas producidas en la preparación de la resección radicular y la cavidad retrógrada." Doctoral thesis, Universitat Internacional de Catalunya, 2017. http://hdl.handle.net/10803/461361.

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La evaluación radiográfica y las pruebas diagnósticas son de vital importancia para realizar un adecuado plan de tratamiento. Hasta la actualidad las Radiografías Periapicales han sido un complemento indispensable para realizar el tratamiento endodóntico. Sin embargo, está demostrado que las Radiografías Periapicales presentan ciertas limitaciones. La tomografía computarizada de haz cónico (TCHC), es una herramienta que puede ayudar a superarlas. Esta tesis doctoral se configura mediante un compendio de dos artículos de primer cuartil (publicados en el Journal of Endodontics) y se ha basado
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Fathy, Tahoun Mahmoud. "The value of using chitosan based implant with microfractures for treatment of acetabular cartilage lesions associated with femoroacetabular impingement." Doctoral thesis, Universitat Autònoma de Barcelona, 2020. http://hdl.handle.net/10803/671091.

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El xoc femoroacetabular (XFA), com un canvi en la morfologia de l’fèmur proximal o l’acetàbul, produeix una alteració mecànica en l’articulació del maluc que pot iniciar el procés degeneratiu i finalment l’osteoartritis. Hi ha dos problemes seriosos associats amb XFA; La delaminació condral, que passa amb més freqüència amb el cap no esfèrica de l’fèmur (tipus CAM) a causa de les forces de tall repetides, i el dany labral que és més freqüent amb la sobrecobertura acetabular (tipus pinça) a causa de les forces de compressió repetides. El propòsit d’aquest estudi va ser avaluar els resultats a c
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Carvalho, Pedro Henrique de. "Estudo do efeito da injeção de PRP e concentrado de medula óssea sobre o reparo de defeitos condrais experimentalmente induzidos e tratados com microfraturas e ácido hialurônico." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/10/10137/tde-16092015-153526/.

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Defeitos de cartilagem e a mais comum doença articular, a osteoartrite, são caracterizadas pela destruição da cartilagem articular, e consequentemente na perda da função articular em humanos e animais. As estratégias atuais de tratamento, conservativas e cirúrgicas, são insuficientes: não resultam em restauração total da cartilagem hialina, e, portanto trazem um prognóstico reservado a longo prazo. O presente estudo tem por objetivo avaliar os efeitos do administração conjunta de concentrado de medula óssea, plasma rico em plaqueta sobre lesões condrais experimentalmente induzidas e tratadas c
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Agnew, Amanda Marie. "Histomorphometry of the Elderly Rib: A methodological approach with implications for biomechanics, function, and fracture risk." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1305558389.

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Borhara, Krishna. "Assessing the Role of Silica Gel as a Fault Weakening Mechanism in the Tuscarora Sandstone." Bowling Green State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1429218108.

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Books on the topic "Microfractura"

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Mital, Subodh K. Metal matrix composites microfracture: Computational simulation. National Aeronautics and Space Administration, 1990.

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C, Chamis C., Gotsis Pascal K, and United States. National Aeronautics and Space Administration., eds. Microfracture in high temperature metal matrix laminates. National Aeronautics and Space Administration, 1991.

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C, Chamis C., and United States. National Aeronautics and Space Administration., eds. Microfracture in high temperature metal matrix crossply laminates. National Aeronautics and Space Administration, 1991.

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C, Chamis C., and United States. National Aeronautics and Space Administration., eds. Thermally-driven microfracture in high temperature metal matrix composites. National Aeronautics and Space Administration, 1991.

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C, Chamis C., and United States. National Aeronautics and Space Administration., eds. Thermally-driven microfracture in high temperature metal matrix composites. National Aeronautics and Space Administration, 1991.

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Bahk, Yong-Whee. Imaging of Trabecular Microfracture and Bone Marrow Edema and Hemorrhage. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4466-8.

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Canada, Atomic Energy of. Notes on the Pore-Microfracture Structure of Some Granitic Samples From the Whiteshell Nuclear Research Establishment. s.n, 1985.

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Thermally-driven microfracture in high temperature metal matrix composites. National Aeronautics and Space Administration, 1991.

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Bahk, Yong-Whee. Imaging of Trabecular Microfracture and Bone Marrow Edema and Hemorrhage. Springer Singapore Pte. Limited, 2021.

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Bahk, Yong-Whee. Imaging of Trabecular Microfracture and Bone Marrow Edema and Hemorrhage. Springer, 2020.

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Book chapters on the topic "Microfractura"

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Welch, Michael John, Mikael Lüthje, and Simon John Oldfield. "Modelling Microfractures." In Modelling the Evolution of Natural Fracture Networks. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52414-2_3.

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Duncan, Scott F. M., and Christopher W. Flowers. "Humeral Head Microfracture." In Therapy of the Hand and Upper Extremity. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14412-2_10.

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Ferro, Fernando Portilho, Peter Goljan, and Marc J. Philippon. "Microfracture in the Hip." In Hip Joint Restoration. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4614-0694-5_66.

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Tey Pons, Marc, Xavier Lizano Diez, Mahmoud Tahoun, and Joan Cabello Gallardo. "Chondral Debridement–Abrasion: Microfracture." In Hip Preservation Surgery. Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-61186-9_18.

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Orth, Patrick, and Henning Madry. "Cartilage Repair: Arthroscopic Microfractures." In Arthroscopy. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49376-2_16.

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Leal-Helmling, José L., and Santigo Bello-Prats. "Drilling, Abrasion and Microfractures." In Articular Cartilage Defects of the Knee. Springer Milan, 2012. http://dx.doi.org/10.1007/978-88-470-2727-5_6.

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Kellum, Ethan, and Kai Mithoefer. "Microfracture, Nanofracture, PowerPick, and Abrasion Arthroplasty." In Biologic Knee Reconstruction. CRC Press, 2024. http://dx.doi.org/10.1201/9781003522768-18.

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Robinson, Avi S., Jamie L. Friedman, and Rachel M. Frank. "Marrow Stimulation: Microfracture, Drilling, and Abrasion." In Cartilage Injury of the Knee. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78051-7_17.

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Huddleston, Hailey P., Eric D. Haunschild, Stephanie E. Wong, Brian J. Cole, and Adam B. Yanke. "Microfracture Augmentation Options for Cartilage Repair." In Cartilage Injury of the Knee. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78051-7_18.

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Zanini, Antonio, Manuel Bondi, Pierfrancesco Bettinsoli, and Andrea Pizzoli. "Repair by Microfractures and Perforations." In Ankle Joint Arthroscopy. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-29231-7_8.

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Conference papers on the topic "Microfractura"

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Kosel, T. H., and S. S. Aptekar. "Effect of Hard Second-Phase Particles on the Erosion Resistance of Model Alloys." In CORROSION 1986. NACE International, 1986. https://doi.org/10.5006/c1986-86113.

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Abstract The dependence of erosion rate on second-phase volume fraction (SPVF) has been studied for Cu/Al2O3 and Cu/WC(W2C) model alloys produced by pressing and sintering. The intention of the study was to investigate the reasons for the poor contribution to erosion resistance made by large hard second-phase particles (SPP) in other studies. The results show that for the Cu/Al2O3 alloys, the erosion rate generally increased with SPVF, demonstrating a negative contribution to erosion resistance. This occurred despite the fact that the measured erosion rate of monolithic Al2O3 was lower by one
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Han, Yanhui, Feng Liang, and Hui-Hai Liu. "Production Enhancement by Microproppants: Concept Proof Using Laboratory Experiment and Numerical Modeling." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0055.

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ABSTRACT: In our previous work, an improved fracturing treatment, which combines a mixture of solid delayed acid generating material (SDAGM) with microproppants in the pad/pre-pad fluids during the engineering process, was demonstrated to be an effective technology by a series of laboratory tests and further investigated with mesoscopic fluid dynamics – microscopic solid mechanics coupling simulations. In this work, two field-scale porous media fluid flow models, consisting of rock matrix, randomly distributed microfractures and a major hydraulic fracture, are developed to evaluate the product
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Yuan, Shuai, Fujian Zhou, Yakai Tian, Tianbo Liang, and Xingyuan Liang. "Laboratory Evaluation of Micro-Proppants on Enhancement of Microfracture Conductivity." In 56th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/arma-2022-2055.

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ABSTRACT: The complex fracture network generated from hydraulic fracturing is of great importance for well productivity in unconventional reservoirs. However, numerous natural or induced microfractures are closed without proppant placement after hydraulic fracturing is completed. Micro-proppants have small enough particle sizes and longer transport distances, which can access microfractures and keep them open. The objective of this work is to investigate the particle size distribution, crushing rate as well as microfracture conductivity by micro-proppants from fly ash. Microproppants have a la
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Liu, Qing, Xiangfang Li, Jian Yang, Sen Feng, Minxia He, and Yongjun Fang. "A Study of Seepage Characteristics of Unsteady Waterflooding Development for Fractured Ultra-Low-Permeability Reservoir." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/208107-ms.

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Abstract Unconventional fractured ultra-low-permeability reservoirs play an important role in continental sedimentary basins in China, and their formation characteristics and seepage laws are greatly different from that of traditional reservoirs. In this paper, the influence of microfractures and unsteady waterflooding on the productivity of fractured ultra-low permeability reservoirs are studied deeply. The reservoir parameters used in the study are from an actual fractured ultra-low-permeability reservoir in Ordos Basin, where microfractures are developed but macroscopic fractures are not. T
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Lu, C., Q. Y. Zhu, Y. Li, C. Luo, and T. B. Liu. "Study on Adsorption Characteristics of Micro-Nano Proppants in Fractures and Related Numerical Simulation." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-1126.

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ABSTRACT: In hydraulic fracturing, micro-nano proppants can easily enter microfractures for support and have strong adsorption properties, so it's very important to explore their adsorption in micro-fracture support. By analyzing the forces of the proppant in fractures, a mathematical model of the microscopic interaction energy between the objects of action was established to calculate the microscopic interaction energy level of hydrophobic micro-nano proppant and water molecules, and then reveal the adsorption process of micro-nano proppant on fracture wall and the competitive adsorption mech
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Pasztor, Adam. "EFFECT OF MICROFRACTURES ON FILTRATION." In 18th International Multidisciplinary Scientific GeoConference SGEM2018. Stef92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018/1.4/s06.054.

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Padin, Anton, Azra N. Tutuncu, and Steve Sonnenberg. "On the Mechanisms of Shale Microfracture Propagation." In SPE Hydraulic Fracturing Technology Conference. Society of Petroleum Engineers, 2014. http://dx.doi.org/10.2118/168624-ms.

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Greenspun, J., T. Massey, and K. S. J. Pister. "THE MEMS HAMMER, A TOOL TO STUDY MICROFRACTURE." In 2016 Solid-State, Actuators, and Microsystems Workshop. Transducer Research Foundation, 2016. http://dx.doi.org/10.31438/trf.hh2016.53.

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Zhang, Hanqing, Benjamin Liaw, and Feridun Delale. "Axisymmetric Microfracture Analysis of Fiber-Reinforced Brittle Composites." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0701.

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Abstract In many ceramic matrix composites subjected to tensile loading the damage usually starts with matrix cracking followed by multiple matrix cracking, interfacial debonding, fiber breaking and fiber pull-out. Some of these events may occur simultaneously and the specimen may separate into two or more pieces. Indeed our tensile testing of Nicalon/CAS II composites in SEM confirms this general damage pattern, which resulted in a nonlinear stress-strain curve. The analytical challenge is to construct a damage model which can predict or at least simulate the observed behavior. The linear par
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Vicory, Jared, Ramraj Chandradevan, Pablo Hernandez-Cerdan, et al. "Dental microfracture detection using wavelet features and machine learning." In Image Processing, edited by Bennett A. Landman and Ivana Išgum. SPIE, 2021. http://dx.doi.org/10.1117/12.2580744.

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Reports on the topic "Microfractura"

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de Sousa, Eduardo, Renata Matsui, Leonardo Boldrini, Leandra Baptista, and José Mauro Granjeiro. Mesenchymal stem cells for the treatment of articular cartilage defects of the knee: an overview of systematic reviews. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.12.0114.

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Abstract:
Review question / Objective: Population: adults (aged between 18 and 50 years) with traumatic knee lesions who underwent treatment with mesenchymal stem cells; Intervention: defined by the treatment with mesenchymal stem cells; The comparison group: treatment with autologous chondrocytes or microfracture treatments; Primary outcome: formation of cartilage neo tissue in the defect area, determined by magnetic resonance imaging (MRI) or by direct visualization in second-look knee arthroscopy.; Secondary outcomes: based on clinical scores such as visual analog scale (VAS) for pain, Western Ontari
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wu, wei-yong, and weiguo xu. Arthroscopic microfracture combined with platelet rich plasma in the treatment of cartilage injury:a Meta analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.3.0107.

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Pe-Piper, G., C. Sangster, and D. J. W. Piper. Analysis of microfractures in Lower Cretaceous and Upper Jurassic sandstones of the Scotian Basin, offshore Nova Scotia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2020. http://dx.doi.org/10.4095/325459.

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Bob Hardage, M.M. Backus, M.V. DeAngelo, R.J. Graebner, S.E. Laubach, and Paul Murray. COMBINING A NEW 3-D SEISMIC S-WAVE PROPAGATION ANALYSIS FOR REMOTE FRACTURE DETECTION WITH A ROBUST SUBSURFACE MICROFRACTURE-BASED VERIFICATION TECHNIQUE. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/825842.

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Pałka, Karol, Marta Sprawka, Michał Kubisa, Anna Akbaş, and Michał Dobrakowski. Outcomes of Clinical Scores and Magnetic Resonance Imaging After Microfracture Treatment With and Without Scaffold Augmentation for Focal Chondral Lesions in the Knee: A Systematic Review and Meta-analysis of Randomized Controlled Trials (RCTs). INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2024. http://dx.doi.org/10.37766/inplasy2024.5.0053.

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