Relevant bibliographies by topics / Breakage characterization

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Breakage characterization'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Breakage characterization"

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Wikedzi, A., S. Saquran, T. Leißner, U. A. Peuker, and T. Mütze. "Breakage characterization of gold ore components." Minerals Engineering 151 (June 2020): 106314. http://dx.doi.org/10.1016/j.mineng.2020.106314.

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Shi, Hongyan, Xiaoke Lin, and Yun Wang. "Characterization of drill bit breakage in PCB drilling process based on high-speed video analysis." Circuit World 43, no. 3 (August 7, 2017): 89–96. http://dx.doi.org/10.1108/cw-12-2016-0066.

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Purpose The purposes of this paper are to study the characterization of drill bit breakage in printed circuit board (PCB) drilling process based on high-speed video analysis and to provide an important reference for micro drill bit breakage prediction. Design/methodology/approach Based on PCB drilling experiment, the high-speed camera was used to observe the micro drill breakage process and the chip removal process. The variation of chip in the drilling process was studied and one of the key reasons for the drill bit breakage was analysed. Finally, the swing angles’ feature during the breakage process of the micro drill was analysed and researched with the image processing tools of MATLAB. Findings The micro drill was prone to breakage mainly because of the blocked chips. The breakage process of the micro drill can be divided into the stage of stable chips evacuation, the stage of blocked chips and the stage of drill bit breakage. The radians of swing angles were basically in the range of ±0.01 when the drilling possess is normal. But when the radians of swing angles considerably exceeded the range of ±0.01, the micro drill bit may be fractured. Originality/value This paper presented the method to study the characterization of drill bit breakage in the PCB drilling process by using high-speed video analysis technology. Meanwhile, an effective suggestion about monitoring the radians of swing angles to predict the breakage of micro drill bit was also provided.
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Boukhobza, Abdelyamine, Mourad Brioua, Smail Benaicha, and Kamel Fedaoui. "Biomechanical Characterization of Failure the 316L Stainless Steel for Femoral Compression Plates." Journal of Biomimetics, Biomaterials and Biomedical Engineering 34 (October 2017): 68–74. http://dx.doi.org/10.4028/www.scientific.net/jbbbe.34.68.

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The aim of this paper is to examine a premature breakage of two compression plates for fixing broken bones with different patients for the period of their recovery. Each compression plate's breakage can induce grave consequences such as a new surgery, unexpected undesired complications and a prolonged healing time. The investigation of the compression plate breakage causes required an examination of the chemical composition and steel hardness, metallographic examination as well as that of the compression plate breakage surface by means of macroscopic and microscopic observations using microscope. On the origin of the results it can be established that the breakage was caused by high static load.
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Wu, Yuliang, Joshua A. Sommers, Irfan Khan, Johan P. de Winter, and Robert M. Brosh. "Biochemical Characterization of Warsaw Breakage Syndrome Helicase." Journal of Biological Chemistry 287, no. 2 (November 18, 2011): 1007–21. http://dx.doi.org/10.1074/jbc.m111.276022.

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Livk, I., and D. Ilievski. "Breakage behavior characterization of micron-scale particles." AIChE Journal 53, no. 4 (2007): 780–92. http://dx.doi.org/10.1002/aic.11135.

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Kraakman-van der Zwet, Maria, Wilhelmina J. I. Overkamp, Anna A. Friedl, Binie Klein, Gerald W. C. T. Verhaegh, Nicolaas G. J. Jaspers, Alina T. Midro, Friederike Eckardt-Schupp, Paul H. M. Lohman, and Małgorzata Z. Zdzienicka. "Immortalization and characterization of Nijmegen Breakage Syndrome fibroblasts." Mutation Research/DNA Repair 434, no. 1 (May 1999): 17–27. http://dx.doi.org/10.1016/s0921-8777(99)00009-9.

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Bilisik, Kadir, Nesrin S. Karaduman, and Erdal Sapanci. "Flexural characterization of 3D prepreg/stitched carbon/epoxy/multiwalled carbon nanotube preforms and composites." Journal of Composite Materials 53, no. 5 (July 13, 2018): 563–77. http://dx.doi.org/10.1177/0021998318787861.

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The effect of through-the-thickness stitching and incorporation of multiwalled carbon nanotubes (MWCNTs) on the flexural properties of three-dimensional (3D) carbon/epoxy composites was studied. The flexural strength of the carbon twill fabric composites was improved by stitching due largely to delamination suppression, whereas stitching negatively influenced the flexural strength of the carbon satin fabric composites due to stitch-induced irregularities and fiber breakages. The failure mode of the unstitched base (without MWCNTs) and unstitched nano-added structures involved fiber breakage, matrix cracking, and delamination, while the stitched base and stitched nano-added samples exhibited lateral matrix cracking, multiple warp, and stitch yarn breakages with less delamination compared with unstitched structures. The results showed that both stitching and the incorporation of MWCNTs improved the out-of-plane failure properties due largely to restricted delamination. Therefore, stitching and MWCNTs can effectively be used to increase the damage tolerance of carbon fiber/epoxy composite laminates.
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Bilgili, E., and M. Capece. "A rigorous breakage matrix methodology for characterization of multi-particle interactions in dense-phase particle breakage." Chemical Engineering Research and Design 90, no. 9 (September 2012): 1177–88. http://dx.doi.org/10.1016/j.cherd.2012.01.005.

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Parian, Mehdi, Abdul Mwanga, Pertti Lamberg, and Jan Rosenkranz. "Ore texture breakage characterization and fragmentation into multiphase particles." Powder Technology 327 (March 2018): 57–69. http://dx.doi.org/10.1016/j.powtec.2017.12.043.

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Zhang, Wen-Hao, Chao-Xia Sui, Xie Wang, Gong-Ju Yin, Ying-Fan Liu, and Ding Zhang. "Characterization of Cr(v)-induced genotoxicity using CdTe nanocrystals as fluorescent probes." Analyst 139, no. 24 (2014): 6357–60. http://dx.doi.org/10.1039/c4an01698j.

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Dissertations / Theses on the topic "Breakage characterization"

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Parian, Mehdi. "Development of a geometallurgical framework for iron ores - A mineralogical approach to particle-based modeling." Doctoral thesis, Luleå tekniska universitet, Mineralteknik och metallurgi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-62515.

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The demands for efficient utilization of ore bodies and proper risk management in the mining industry have resulted in a new cross-disciplinary subject called geometallurgy. Geometallurgy connects geological, mineral processing and subsequent downstream processing information together to provide a comprehensive model to be used in production planning and management. A geometallurgical program is an industrial application of geometallurgy. Various approaches that are employed in geometallurgical programs include the traditional way, which uses chemical elements, the proxy method, which applies small-scale tests, and the mineralogical approach using mineralogy or the combination of those. The mineralogical approach provides the most comprehensive and versatile way to treat geometallurgical data. Therefore it was selected as a basis for this study. For the mineralogical approach, quantitative mineralogical information is needed both for the deposit and the process. The geological model must describe the minerals present, give their chemical composition, report their mass proportions (modal composition) in the ore body and describe the ore texture. The process model must be capable of using mineralogical information provided by the geological model to forecast the metallurgical performance of different geological volumes and periods. A literature survey showed that areas, where more development is needed for using the mineralogical approach, are: 1) quick and inexpensive techniques for reliable modal analysis of the ore samples; 2) ore textural characterization of the ore to forecast the liberation distribution of the ore when crushed and ground; 3) unit operation models based on particle properties (at mineral liberation level) and 4) a system capable of handling all this information and transferring it to production model. This study focuses on developing tools in these areas. A number of methods for obtaining mineral grades were evaluated with a focus on geometallurgical applicability, precision, and trueness. A new technique developed called combined method uses both quantitative X-ray powder diffraction with Rietveld refinement and the Element-to-Mineral Conversion method. The method not only delivers the required turnover for geometallurgy but also overcomes the shortcomings if X-ray powder diffraction or Element-to-Mineral Conversion were used alone. Characterization of ore texture before and after breakage provides valuable insights about the fracture pattern in comminution, the population of particles for specific ore texture and their relation to parent ore texture. In the context of the mineralogical approach to geometallurgy, predicting the particle population from ore texture is a critical step to establish an interface between geology and mineral processing. A new method called Association Indicator Matrix developed to assess breakage pattern of ore texture and analyze mineral association. The results of ore texture and particle analysis were used to generate particle population from ore texture by applying particle size distribution and breakage frequencies. The outcome matches well with experimental data specifically for magnetite ore texture. In geometallurgy, process models can be classified based on in which level the ore, i.e. the feed stream to the processing plant and each unit operation, is defined and what information subsequent streams carry. The most comprehensive level of mineral processing models is the particle-based one which includes practically all necessary information on streams for modeling unit operations. Within this study, a particle-based unit operation model was built for wet low-intensity magnetic separation, and existing size classification and grinding models were evaluated to be used in particle level. A property-based model of magnetic beneficiation plant was created based on one of the LKAB operating plants in mineral and particle level and the results were compared. Two different feeds to the plant were used. The results revealed that in the particle level, the process model is more sensitive to changes in feed property than any other levels. Particle level is more capable for process optimization for different geometallurgical domains.
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Yuan, Zhigang. "Functional characterization of roles of histone deacetylases in the regulation of DNA damage response." [Tampa, Fla.] : University of South Florida, 2007. http://purl.fcla.edu/usf/dc/et/SFE0002175.

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Tapia, Páez Isabel. "Characterization of human chromosome 22 : cloning of breakpoints of the constitutional translocation t(11;22)(q23;q11) and detection of small constitutional deletions by microarray CGH /." Stockholm, 2003. http://diss.kib.ki.se/2003/91-7349-505-0.

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Dumas, Timothée. "Renforcement des pneumatiques par la silice. Caracterisation physio-chimique et dispersion des granules de silice." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2012. http://tel.archives-ouvertes.fr/tel-00740183.

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L'impact environnemental est un paramètre prépondérant dans l'élaboration de nouveaux matériaux. Dans le secteur du transport, l'introduction de silice précipitée comme charge renforçante en remplacement d'une partie du noir de carbone a permis de mettre au point des pneus plus respectueux de l'environnement.L'objectif de notre projet consiste à déterminer l'effet des conditions d'élaboration et de traitement de la silice sur l'aptitude des granules de silice à se disperser dans l'élastomère, sans compromettre leur résistance à la fragmentation en milieu sec lors des opérations du procédé. Pour ce faire, différentes caractérisations ont été effectuées. Tout d'abord, une analyse de la texture des agglomérats de silice est réalisée dans le but d'obtenir une description morphologique de ces granules (surface spécifique, granulométrie, structure 3D). Une étude du comportement des granules sous contraintes mécaniques (ultra-sons, transport pneumatique) a permis de quantifier la cinétique de désagglomération des micro-granules de silice. Ces différentes mesures expérimentales nous permettent de mettre en évidence l'impact des étapes du procédé sur les propriétés des granules de silice. Ceci nous a permis de mettre en avant différents mécanismes de fragmentation des granules. Enfin, nous proposons une modélisation de la fragmentation au moyen d'un modèle matriciel. Ce modèle a permis, à partir de données expérimentales, de remonter aux mécanismes de fragmentation.
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Books on the topic "Breakage characterization"

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K, Hill Eric v., and United States. National Aeronautics and Space Administration., eds. Characterization of longitudinal splitting and fiber breakage in Gr/Ep using acoustic emission data. [Washington, DC: National Aeronautics and Space Administration, 1993.

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K, Hill Eric v., and United States. National Aeronautics and Space Administration., eds. Characterization of longitudinal splitting and fiber breakage in Gr/Ep using acoustic emission data. [Washington, DC: National Aeronautics and Space Administration, 1993.

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Book chapters on the topic "Breakage characterization"

1

Willis, Betsy, and Martin Okos. "Stress and Breakage in Formed Cereal Products Induced by Drying, Tempering, and Cooling." In Characterization of Cereals and Flours, 267–309. CRC Press, 2003. http://dx.doi.org/10.1201/9780203911785-8.

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Willis, Betsy, and Martin Okos. "Stress and Breakage in Formed Cereal Products Induces by Drying, Tempering, and Cooling." In Characterization of Cereals and Flours. CRC Press, 2003. http://dx.doi.org/10.1201/9780203911785.ch8.

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Conference papers on the topic "Breakage characterization"

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Hiche, Cristobal, Clyde K. Coelho, Albert Moncada, Masoud Yekani Fard, and Aditi Chattopadhyay. "Damage Characterization of Composite Wing Subjected to Impact Loading: An Experimental Study." In ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2009. http://dx.doi.org/10.1115/smasis2009-1420.

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Damage on woven composites is a phenomenon that is difficult to characterize due to complex weave geometry. A woven composite wing structure adds to the complexity of characterizing damage through Fiber Bragg Grating (FBG) sensors. The present paper studies the FBG response and damage characterization of foam core and hollow composite wings. Plain and twill weave wings were manufactured and subjected to low energy (52.5J) and high energy (150J) impacts. Damage was assessed using FBG sensors, flash thermography, and visual inspection of the wings. Two FBG sensors were placed along the chord length and the spanwise direction at equal distances from the impact site to measure the axial strain as a function of time. The main failure modes of foam core wings were fiber breakage and foam crushing for high energy impacts, while core crushing and delamination between the core and the composite wing was found for low energy impacts. The hollow wings had a significant reduction in stiffness, resulting in a ripple effect where the wing would go into tension, then compression. This phenomenon varied depending on the location of the sensors on the wing. Although the impact zone was near the middle of the chord length of the wing, the resulting stress has caused large damage at the leading edge and significant debonding at the trailing edge of the hollow wing. An FE model was created to validate the experimental results and showed good correlation between the high stress areas in the model, the FBG response, and the damage sites on the wing.
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Abolfathi, Nabi, Abhai Naik, Mahdi Sotudeh, Ghodrat Karami, and Mariusz Ziejewski. "Diffuse Axonal Injury and Degradation in Mechanical Characteristics of Brain White Matter." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192251.

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Diffuse Axonal Injury (DAI) can happen due to sudden motions of head and is one of the major causes of fatality and severe disabilities. To study DAI, any change in material characteristics of brain tissue post injury needs to be well understood. In this study, the focus will be on changes in the viscoelastic material properties of white mater in the brain due to DAI resulting in axonal disconnections. Using a micromechanics fibrous composite modeling for white mater, we have developed an algorithm to analyze the effect of discontinuity due to breakage of axons inside the surrounded matrix. Repeated unit cell (RUC) was assumed to represent the axonal distribution within the extracellular matrix. Relaxation test were conducted for characterization of the viscoelastic behavior. The result of this study provides a modeling technique for characterization of injured brain tissue in white mater and proposes necessity of including the appropriate post injury axonal mechanical properties. These findings can improve the understanding of injury from mechanical perspective and help in predicting vulnerability of any such injured tissue against further injuries.
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