Relevant bibliographies by topics / Erosion Surface

Academic literature on the topic 'Erosion Surface'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Erosion Surface"

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Adamkiewicz, A., and A. Waliszyn. "Studies of Erosion Resistance of Protective Coats on the Surfaces of Machine Elements Washed with Fluids." Advances in Materials Science 18, no. 2 (June 1, 2018): 69–76. http://dx.doi.org/10.1515/adms-2017-0033.

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AbstractThis article indicated at erosion as one of the causes of degradation of surfaces washed by fluids and conditions of its occurrence. Corrosive – erosive theory of metal surface degradation has been discussed linking it with an instance of destructive processes taking place in cylinder liner blocks of combustion engines. Physics and conditions influencing processes on liquid – washed operational surface phase boundary have been justified. Out of the contemporary hypotheses explaining the physics of cavitation erosion, the bubble theory has been considered. A mathematical model of erosion has been presented in the context of cavitation implosion energy determining crash interactions of liquid cumulative fluxes on the washed surface. Occurring plastic deformations have been graphically explained linking them with the occurrence of fatigue micro-cracks and later with erosive pits. Influence of initial steel hardness on intensity of cavitation erosion has been checked. Discussion of ways to increase metal surface resistance to cavitation erosion has been carried out.
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Wahab, Juyana A., Mariyam Jameelah Ghazali, Mochd Nazree B. Derman, and Yuichi Otsuka. "Erosive Wear Characteristics of Laser Textured Alumina-Based Coatings for Marine Applications." Solid State Phenomena 280 (August 2018): 96–101. http://dx.doi.org/10.4028/www.scientific.net/ssp.280.96.

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Micro-groove textured surface of alumina-based ceramic coating is successfully fabricated via laser surface texturing (LST) method. The fabrication of textured surface is aimed to improve the resistivity of components against erosive wear. In this study, a slurry pot testing is conducted to investigate erosion damage on the surface of the textured alumina-based coating. The erosive wear rate of the specimens is determined and the surface morphology of the eroded surface is examined using an SEM. From the results, it is found that the erosion damage of textured coatings is dependent on the impact angles of SiO2particles. The erosion wear mechanism is found to be varied with the formation of the micro-groove textured coatings. A significant decrease of 45 % in the erosion rate proved that the occurrence of an improved erosion resistance.
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Petsch, Carina, Anderson Augusto Volpato Sccoti, Luís Eduardo de Souza Robaina, and Romario Trentin. "Controlling factors and mapping of linear erosive features in Santa Maria river watershed –RS." Revista Brasileira de Geomorfologia 23, no. 4 (October 1, 2022): 1876–92. http://dx.doi.org/10.20502/rbg.v23i4.2151.

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Water erosion is one of the main causes of soil degradation and linear erosion mapping is one of the essential tools for its monitoring. In light of this, the goal from this research is to map the linear erosive features (LEF) of the Santa Maria River Basin (BHRSM), southwest region of RS, and understand which environmental factors are controlling or triggering erosion. In western RS there is a considerable concern associated with erosive processes that occupy large extensions and cause changes in the dynamics of use and changes in the environment. Data on geology, soils, hypsometry, slope, land use, drainage channels and roads were analyzed in a GIS environment. The erosive processes in BHRSM are inherent to the less consolidated sandy substrate, configuring a natural process. The relief energy for the incision of water flows is meaningful, since the LEF are related to moderate slope in portions of medium altitudes. However, anthropogenic action accelerates erosive processes. It is noteworthy that the increase in the area occupied by crops, doubled in the period of 20 years, configuring a new landscape and dynamics for BHRSM, demanding special attention to this region that tends to intensify the erosivy processes
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Khan, Rehan, Hamdan H. Ya, William Pao, and Armaghan Khan. "Erosion–Corrosion of 30°, 60°, and 90° Carbon Steel Elbows in a Multiphase Flow Containing Sand Particles." Materials 12, no. 23 (November 26, 2019): 3898. http://dx.doi.org/10.3390/ma12233898.

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Erosion–corrosion in flow changing devices as a result of sand transportation is a serious concern in the hydrocarbon and mineral processing industry. In this work, the flow accelerated erosion–corrosion mechanism of 90°, 60°, and 30° long radius horizontal–horizontal (H–H) carbon steel elbows with an inner diameter of 50.8 mm were investigated in an experimental closed-flow loop. For these geometrical configurations, erosion–corrosion was elucidated for erosive slug flow regimes and the extent of material degradation is reported in detail. Qualitative techniques such as multilayer paint modeling and microscopic surface imaging were used to scrutinize the flow accelerated erosion–corrosion mechanism. The 3D roughness characterization of the surface indicates that maximum roughness appears in downstream adjacent to the outlet of the 90° elbow. Microscopic surface imaging of eroded elbow surfaces disseminates the presence of corrosion pits on the exit regions of the 90° and 60° elbows, but erosion scars were formed on the entry regions of the 30° elbow. Surface characterization and mass loss results indicated that changing the elbow geometrical configuration from a small angle to wide angle significantly changed the mechanical wear mechanism of the tested elbows. Moreover, the maximum erosive location was identified at the top of the horizontally-oriented elbow for slug flow.
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Campbell, Daniel R., Claude Lavoie, and Line Rochefort. "Wind erosion and surface stability in abandoned milled peatlands." Canadian Journal of Soil Science 82, no. 1 (February 1, 2002): 85–95. http://dx.doi.org/10.4141/s00-089.

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Peatlands exploited for their peat by the method of milling are poorly recolonized by plants after the cessation of extraction activities, in part due to unstable peat substrates. Wind erosion has been suspected to play a role in this instability. Four studies were conducted to investigate the role of wind erosion on abandoned milled peatlands. A wind tunnel experiment was performed to evaluate the erodibility of dry, loose peat as a function of its degree of decomposition. A second wind tunnel experiment was conducted to determine how crusted peats differ in their resistance to erosion as a function of their degree of decomposition, without the input of abraders. Third, wind profiles were measured in milled, revegetated and natural peatlands in southeastern Québec to determine their aerodynamic roughness length. Finally, field measurements were made at three abandoned milled peatlands through two field seasons to characterize substrate stability and particle movement. In the wind tunnel, the erodibility of loose surface peat decreased with increasing decomposition and was predicted by their equivalent diameter to mineral particles 0.84 mm in diameter. However, once surface crusts formed, peats were all resistant to erosion. Surfaces of abandoned milled peatlands were aerodynamically smooth; therefore, exposed surface elements are subject to strong erosive forces during wind events. The greatest subsidence on abandoned milled peatlands occurred in the spring, prior to the surface movement of particles. Erosion during the summer could not be clearly detected. The instability of the peat surface remains a constraint for the restoration of abandoned milled surfaces. Key Words: Peat, cutover peatland, wind erosion, soil crust, roughness length, soil stability
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Stark, Colin P., and Gavin J. Stark. "The direction of landscape erosion." Earth Surface Dynamics 10, no. 3 (May 3, 2022): 383–419. http://dx.doi.org/10.5194/esurf-10-383-2022.

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Abstract. The rate of erosion of a landscape depends largely on local gradient and material fluxes. Since both quantities are functions of the shape of the catchment surface, this dependence constitutes a mathematical straitjacket, in the sense that – subject to simplifying assumptions about the erosion process, and absent variations in external forcing and erodibility – the rate of change of surface geometry is solely a function of surface geometry. Here we demonstrate how to use this geometric self-constraint to convert a gradient-dependent erosion model into its equivalent Hamiltonian, and explore the implications of having a Hamiltonian description of the erosion process. To achieve this conversion, we recognize that the rate of erosion defines the velocity of surface motion in its orthogonal direction, and we express this rate in its reciprocal form as the surface-normal slowness. By rewriting surface tilt in terms of normal slowness components and deploying a substitution developed in geometric mechanics, we extract what is known as the fundamental metric function of the model phase space; its square is the Hamiltonian. Such a Hamiltonian provides several new ways to solve for the evolution of an erosion surface: here we use it to derive Hamilton's ray-tracing equations, which describe both the velocity of a surface point and the rate of change of the surface-normal slowness at that point. In this context, gradient-dependent erosion involves two distinct directions: (i) the surface-normal direction, which points subvertically downwards, and (ii) the erosion ray direction, which points upstream at a generally small angle to horizontal with a sign controlled by the scaling of erosion with slope. If the model erosion rate scales faster than linearly with gradient, the rays point obliquely upwards, but if erosion scales sublinearly with gradient, the rays point obliquely downwards. This dependence of erosional anisotropy on gradient scaling explains why, as previous studies have shown, model knickpoints behave in two distinct ways depending on the gradient exponent. Analysis of the Hamiltonian shows that the erosion rays carry boundary-condition information upstream, and that they are geodesics, meaning that surface evolution takes the path of least erosion time. Correspondingly, the time it takes for external changes to propagate into and change a landscape is set by the velocity of these rays. The Hamiltonian also reveals that gradient-dependent erosion surfaces have a critical tilt, given by a simple function of the gradient scaling exponent, at which ray-propagation behaviour changes. Channel profiles generated from the non-dimensionalized Hamiltonian have a shape entirely determined by the scaling exponents and by a dimensionless erosion rate expressed as the surface tilt at the downstream boundary.
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GONDIM, Brenna Louise Cavalcanti, Isabella Cavalcante MEDEIROS, Bruna Palmeira COSTA, Hugo Lemes CARLO, Rogério Lacerda dos SANTOS, and Fabíola Galbiatti de CARVALHO. "Effects of erosive challenge on the morphology and surface properties of luting cements." Revista de Odontologia da UNESP 45, no. 2 (March 15, 2016): 103–9. http://dx.doi.org/10.1590/1807-2577.022315.

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Abstract Introduction Few studies investigated the surface properties of luting cements after erosive challenge. Objective To evaluate the surface roughness (Ra), Vickers hardness (VHN) and morphology of 4 luting cements after erosive challenge. Material and method Twenty specimens of each cement were prepared (4×2mm) and divided into experimental (erosive challenge) and control (artificial saliva) groups (n=10): Rely X U200 (U200); Rely X ARC (ARC); Ketac Cem Easy Mix (Ketac) and Zinc phosphate (ZnP). The erosive challenge was performed by four daily erosive cycles (90s) in a cola drink and 2 h in artificial saliva over 7 days. Ra and VHN readings were performed before and after erosion. The percentage of hardness loss (%VHN) was obtained after erosion. The surface morphology was analyzed by scanning electron microscopy (SEM). ANOVA, Tukey and Student-T tests were used (α=0.05). Result After erosion, all luting cements had increase in Ra values and U200 and ZnP groups had the highest %VHN. After saliva immersion, only U200 and ZnP groups had significant increases in Ra values and there were no significant differences among the groups in %VHN. SEM analysis showed that Ketac and ZnP groups had rough and porous surfaces, and U200 group had higher resin matrix degradation than ARC group. Conclusion Erosive challenge with a cola drink affected the surface properties of all luting cements.
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Selokar, Ashish, Ravi Kant, D. B. Goel, and U. Prakash. "Solid Particle Erosion Behaviour of Martensitic and Nitrogen Alloyed Austenitic Stainless Steel." Advanced Materials Research 1043 (October 2014): 45–49. http://dx.doi.org/10.4028/www.scientific.net/amr.1043.45.

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In the present work, comparison of solid particle erosive behaviour of 13/4 steel and Nitrogen alloyed austenitic stainless steel (23/8N steel) have been studied using air jet erosion testing. Air jet erosion testing has been performed at various angles for as received samples at 31 m/s velocity and a discharge rate of 3 gm per minute by alumina particles with angular shape and 53-63μm size. Microstructure, eroded surface characteristics, mechanical properties and erosion rate are characterized by using scanning electron microscope, hardness and tensile testing. 23/8N steel shows good hardness coupled with high tensile toughness and work hardening ability, which leads to improved erosion resistance. The surface morphology analysis of the worn out surfaces, cumulative weight loss measurements and steady state of erosion rate results were used to understand the effect of nitrogen on the degradation mechanisms. The results show that 23/8N steel exhibits excellent resistance to erosion in comparison to13/4 steel.
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Ollier, C. D., G. F. M. Gaunt, and Irinah Jurkowski. "The Kimberley Plateau, Western Australia. A Precambrian Erosion Surface." Zeitschrift für Geomorphologie 32, no. 2 (July 5, 1988): 239–46. http://dx.doi.org/10.1127/zfg/32/1988/239.

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Kotarska, Aleksandra. "The Laser Alloying Process of Ductile Cast Iron Surface with Titanium." Metals 11, no. 2 (February 6, 2021): 282. http://dx.doi.org/10.3390/met11020282.

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The article presents the results of the laser alloying process of ductile cast iron EN-GJS 350-22 surface with titanium. The laser alloying process was conducted on 2 kW high power diode laser (HPDDL) Rofin Sinar DL02 with rectangular focus and uniform power density distribution in the focus axis. The laser alloying was conducted with constant laser beam power and processing speed with titanium powder feed rate variation. The tests of the produced surface layers included macrostructure and microstructure observations, X-ray diffraction (XRD) and energy dispersive spectroscopy (EDS) analysis, Vickers hardness, and solid particle erosion according to ASTM G76-04 standard. To assess the erosion mechanism, SEM observations of worn surfaces after erosive test were carried out. As a result of laser alloying of a ductile cast iron surface, the in situ metal-matrix composite structure was formed with TiC reinforcing particles. The microstructure change resulted in the increase of surface layers hardness and erosion resistance in comparison to the base material.
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Dissertations / Theses on the topic "Erosion Surface"

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Duncan, S. "Ion erosion in surface analysis." Thesis, Loughborough University, 1985. https://dspace.lboro.ac.uk/2134/28023.

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Low energy ion bombardment is a process used in surface analysis and in the electronics and telecommunications industries. Techniques such as Auger Electron Spectroscopy (AES), X-ray Photoelectron Spectroscopy (XPS) and Secondary Ion Mass Spectroscopy (SIMS) employ ion bombardment for surface cleaning and for the provision of composition-depth profiles.
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Wheeler, David William. "Solid particle erosion of CVD diamond coatings." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342748.

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Menaa, Merouane. "Performance of surface structures subjected to subsurface soil erosion." Mémoire, École de technologie supérieure, 2008. http://espace.etsmtl.ca/148/1/MENAA_Merouane.pdf.

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Plusieurs infrastructures geotechniques (ex. chaussees, dalles, fondations) exercent une pression a travers leurs surfaces de contact avec le sol. Le dimensionnement de ces structures suppose un contact parfait tout au long de la vie de service de celles-ci. Par ailleurs, I'erosion des sols sous-jacents est un mecanisme qui pent contribuer au developpement de cavites souterraines et par consequent a une perte locale de contact entre la structure et le sol, caracterisee par un vide sous la structure. La performance des structures telles que les chaussees en beton, les dalles ainsi que les trottoirs sujettes a I'erosion souterraine est etudiee experimentalement et numeriquement dans ce memoire. Les experiences ont ete menees dans un caisson en acier rigide contenant du sable ou I'erosion souterraine a ete cree artificiellement; le tout supportant une plaque en acier rigide. Les deformations de la surface ainsi que les pressions de contact a I'interface plaque-sol ont ete mesurees afin de quantifier les effets de I'erosion souterraine sur les contraintes developpees dans la structure. L'etude numerique a ete conduite en utilisant un modele elastoplastique a 2 dimensions. Le modele a ete calibre avec les resultats experimentaux et divers scenarios ont ete envisages. Des parametres tels que le volume du sol erode, sa localisation ainsi que les chargements appliques sur la dalle de beton ont ete varies. Les resultats de cette recherche ont montre que lorsque le vide est centre directement sous la dalle, les contraintes de traction developpees dans celle-ci augmentent avec la taille du vide provoquant ainsi la rupture de la dalle. II a egalement ete conclu que lorsque le vide est excentre, le sol au voisinage de celui-ci est susceptible de subir une rupture avant que des contraintes de traction excessives ne se developpent dans la fibre la plus tendue de la dalle en beton.
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Bao, Ruotian. "Effect of Microbial Induced Carbonate Precipitation on Surface Erosion." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1498471342771954.

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Macgregor, Duncan S. "Surface seepage and sub-surface destructive processes as controls on the distribution of giant oilfields." Thesis, University of Aberdeen, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363645.

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Study of a database of 350 giant oilfields show these to be dynamic short lived phenomena, with a median age of 35 Ma. A third show evidence of post-entrapment destructive processes, particularly erosion, fault leakage and gas flushing. Biodegradation is a destructive process most active during oil entrapment. Re-entrapment of oil released from spilling or breached traps is common. These processes are illustrated with case examples from SE Asia and throughout the world. The main controls on oilfield preservation are post-entrapment tectonism and seal type, with temperature and hydrodynamic regimes being secondary factors. Destructive processes are concentrated in shallow and deep zones and in seepage-prone traps such as compressional anticlines. Such factors strongly influence the distribution of preserved light oilfields, with preservation potential maximised in tectonically quiescent basins with evaporite or thick mudstone seals e.g. the Middle East and the Permian Basin, or in basin centres distant from inverted or uplifted zones e.g. Central Sumatra. More attention is required in prospect and regional evaluations to models involving post-entrapment leakage and re-migration.
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Villanueva, Evelyn. "Risk assessment of rock surface spillway erosion using parametric studies." Master's thesis, Mississippi State : Mississippi State University, 2007. http://library.msstate.edu/etd/show.asp?etd=etd-07022007-155027.

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Zalewsky, Brian J. "Use of the Water Erosion Prediction Project (WEPP) Model to Predict Road Surface Erosion in Mountain Rangeland Areas." DigitalCommons@USU, 1998. https://digitalcommons.usu.edu/etd/3655.

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A significant source of sediment in many watersheds is that associated with the layout, construction, and maintenance of roadways. Much work has been done in more mesic forested environments with little or none in semiarid systems. Acc urate estimation of runoff and sediment yield from native surfaced roads located in semiarid mountainous ecosystems is important to both private and public regulatory agencies. The Watershed Erosion Prediction Project (WEPP) model represents the most current erosion prediction technology. WEPP has been applied to the problems of logging road erosion in more mesic forests but has not been tested or evaluated on roadways located in semiarid mountainous ecosystems. Six rainfall simulation experiments were conducted to measure runoff and sediment yield off three separate plots located on Tickville Road, located on Camp W.G. Williams, a National Guard Training Center in Utah . These data were compared with runoff and erosion estimates produced by the WEPP model. WEPP cropland and rangeland erodibility equations were used to predict rill erodibility (Kr), interrill erodibility (Ki), and critical shear (TAUc). These were tested for their effectiveness in predicting road erodibilities in these environments. A sensitivity analysis was performed on those parameters that were suspected of having a substantial impact on model output and accuracy. There was an excellent correlation between predicted and observed total runoff volumes for all simulations (R2= 0.96). The differences were greater than 10% only for plot 2 wet; otherwise, the average difference for all six simulations was 4.9%. When using Kr, K.i , and TAUc as predicted by rangeland methods, predicted sediment yields differed from those measured, on average, by 82%. Predicted sediment yields differed by only 22% compared to calculated sediment yields, when using the cropland erodibility equations to predict Kr, K.i , and TAUc. A sensitivity analysis showed that percent slope, slope length, days since last tillage, and ridge roughness all had a significant impact on WEPP predicted sediment yields. Results show the effectiveness of the WEPP model in predicting runoff and erosion off native surfaced roads in these semiarid mountainous regions.
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Beyer, Portner Niki. "Erosion des bassins versant [sic] alpins suisses par ruissellement de surface /." [S.l.] : [s.n.], 1998. http://library.epfl.ch/theses/?nr=1815.

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Downward, Kenneth. "Relationships between surface crusts and erosion in the Tabernas Badlands, Almeria, S.E. Spain." Thesis, University of Wolverhampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325975.

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Karagianna, Anthoula. "Changes in the surface chemistry of enamel exposed to acid : a surface study of caries and erosion." Thesis, University of Leeds, 2012. http://etheses.whiterose.ac.uk/3237/.

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Dental caries is a result of acid production by plaque bacteria and manifests with mineral loss and hard tissue dissolution. Dental erosion is the irreversible loss of dental hard tissue caused by acidic agents without bacterial involvement. Numerous techniques have been described for the early detection of dental caries and erosion. However, they all rely on detecting already lost tissue, suggesting that the disease process has been operating for some time. Recent research suggests that uptake of protons from bacterial or dietary acids precedes hard tissue dissolution. The aim of this research project was to examine whether protonation of sound and carious sterile and non-sterile human primary tooth surfaces which have been subjected to acids of known pH occurs and can be detected in vitro and in situ with a simple and clinically applicable technique. A total of 219 human primary tooth surfaces were investigated in vitro. Of these, 110 sound and carious sterile and non-sterile tooth surfaces were examined at baseline and 109 after an acidic challenge. Universal pH indicator solution was used to assess the protonation state of the tooth surfaces. Significantly more tooth surfaces were found protonated after the acidic challenge compared to baseline for all the groups of teeth (p<0.01) with the exception of non-sterile tooth surfaces with caries into dentine (p=0.467). This was probably because the tooth surfaces were already protonated at baseline as a result of the carious process. The in situ study involved five participants and thirty sound enamel slabs. The enamel slabs were obtained from human primary teeth and were incorporated into mandibular removable appliances. The appliances were placed intra-orally for 48 hours to allow plaque accumulation. After removal from the mouth, the enamel slabs were subjected to 10% w/v sucrose rinse. The protonation state of the tooth surface was assessed with universal pH indicator solution. The proportion of protonated tooth surfaces was significantly higher compared to the proportion of non-protonated tooth surfaces (p<0.001). The results of these studies suggest that protonation of human primary tooth surfaces after an acidic challenge occurs and can be detected with a clinically applicable technique both in vitro and in situ. Measuring the degree of protonation can be a novel means to detect tooth surfaces that are at increased risk of caries and erosion at a very early stage before any irreversible change of the hard tissue structure.
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Books on the topic "Erosion Surface"

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Koontz, Robin Michal. Erosion: Changing Earth's surface. Minneapolis, Minn: Picture Window Books, 2007.

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Reiss, Dennis. Erosionsrinnen auf dem Mars. Köln: Deutsches Zentrum für Luft- und Raumfahrt e.V., 2006.

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Miyoshi, Kazuhisa. Surface analysis and tools. Cleveland, Ohio: National Aeronautics and Space Administration, Glenn Research Center, 2002.

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Miyoshi, Kazuhisa. Surface analysis and tools. Cleveland, Ohio: National Aeronautics and Space Administration, Glenn Research Center, 2002.

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Commandeur, P. R. Rainfall simulation, soil infiltration, and surface erosion on skidroad surfaces - Nelson Forest Region. Victoria, B.C: Canadian Forest Service and the British Columbia Ministry of Forests, 1994.

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Wells, Wade G. Sediment traps for measuring onslope surface sediment movement. Berkeley, Calif: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1987.

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Wells, Wade G. Sediment traps for measuring onslope surface sediment movement. Berkeley, Calif: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1987.

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Wells, Wade G. Sediment traps for measuring onslope surface sediment movement. Berkeley, Calif: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1987.

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Baum, D. L. Correlation of soil density and erosion features on reclaimed surface mined land. Lexington, KY: University of Kentucky, 1988.

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Mitchell, D. H. Stability of lined slopes at landfills and surface impoundments: Project summary. Cincinnati, OH: U.S. Environmental Protection Agency, Risk Reduction Engineering Laboratory, 1990.

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Book chapters on the topic "Erosion Surface"

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Hergarten, St, G. Paul, and H. J. Neugebauer. "Modeling Surface Runoff." In Soil Erosion, 295–306. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04295-3_14.

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Behrisch, R. "Surface Erosion by Electrical Arcs." In Physics of Plasma-Wall Interactions in Controlled Fusion, 495–513. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4757-0067-1_12.

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Rao, A. S., and D. Kung. "Sand Erosion and Cavitation Behaviour of Hydraulic Turbine Runner Materials." In Surface Engineering, 615–24. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0773-7_61.

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Bresson, Louis-Marie, Yves Le Bissonnais, and Patrick Andrieux. "Soil Surface Crusting and Structure Slumping in Europe." In Soil Erosion in Europe, 489–500. Chichester, UK: John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470859202.ch37.

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Gomer, D., and T. Vogt. "Physically Based Modeling of Surface Runoff and Soil Erosion under Semi-arid Mediterranean Conditions — the Example of Oued Mina, Algeria." In Soil Erosion, 59–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04295-3_4.

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Tanaka, Toshikatsu. "Interface Properties and Surface Erosion Resistance." In Dielectric Polymer Nanocomposites, 229–58. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-1-4419-1590-0_8.

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Tanaka, Toshikatsu. "Interface Properties and Surface Erosion Resistance." In Dielectric Polymer Nanocomposites, 229–58. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-1-4419-1591-7_8.

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Carter, G. "Theory of Surface Erosion and Growth." In Erosion and Growth of Solids Stimulated by Atom and Ion Beams, 70–97. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4422-0_4.

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Badisch, E., and Manish Roy. "Hardfacing for Wear, Erosion and Abrasion." In Surface Engineering for Enhanced Performance against Wear, 149–91. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-0101-8_5.

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Falla, N. A. R. "Recent Developments in the Artificial Weathering of Coatings Using Plasma Erosion." In Surface Coatings—1, 103–35. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3441-2_4.

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Conference papers on the topic "Erosion Surface"

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Heibaum, M. "Surface erosion countermeasures incorporating geotextiles." In The 8th International Conference on Scour and Erosion. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315375045-77.

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Mussé, Marcelo, and John Lupo. "Surface erosion effect on tailings." In 16th International Seminar on Paste and Thickened Tailings. Australian Centre for Geomechanics, Perth, 2013. http://dx.doi.org/10.36487/acg_rep/1363_23_musse.

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Hamed, Awatef A., Widen Tabakoff, Richard B. Rivir, Kaushik Das, and Puneet Arora. "Turbine Blade Surface Deterioration by Erosion." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-54328.

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This paper presents the results of a combined experimental and computational research program to investigate turbine vane and blade material surface deterioration caused by solid particle impacts. Tests are conducted in the erosion wind tunnel for coated and uncoated blade materials at various impact conditions. Surface roughness measurements obtained prior and subsequent to the erosion tests are used to characterize the change in roughness caused by erosion. Numerical simulations for the three dimensional flow field and particle trajectories through a low pressure gas turbine are employed to determine the particle impact conditions with stator vanes and rotor blades using experimentally-based particle restitution models. Experimental results are presented for the measured blade material/coating erosion and surface roughness. The measurements indicate that both erosion and surface roughness increase with impact angle and particle size. Computational results are presented for the particle trajectories though the first stage of a low-pressure turbine of a high bypass turbofan engine. The trajectories indicate that the particles impact the vane pressure surface and the aft part of the suction surface. The impacts reduce the particle momentum through the stator but increase it through the rotor. Vane and blade surface erosion patterns are predicted based on the computed trajectories and the experimentally measured blade coating erosion characteristics.
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Rao, Avaral S. "Influence of Surface Finish on Cavitation Erosion." In Waterpower Conference 1999. Reston, VA: American Society of Civil Engineers, 1999. http://dx.doi.org/10.1061/40440(1999)78.

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Shamy, U. El, P. Krueger, Z. An, and Y. Abdelhamid. "Experimental and Numerical Modeling of Surface Erosion." In IFCEE 2018. Reston, VA: American Society of Civil Engineers, 2018. http://dx.doi.org/10.1061/9780784481639.018.

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Regazzoni, P. L., D. Marot, and H. H. Nguyen. "Surface Erosion: Erodibility Characterisation and Physical Parameters Effects." In International Conference on Scour and Erosion (ICSE-5) 2010. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41147(392)17.

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Miranda, Javier, Lorena Bejarano, and Alfredo Valarezo. "High Temperature Erosion Mechanisms and Erosion Rate of Hard Coatings for Surface Recovery of Heavy-Fuel Engines." In ITSC2018, edited by F. Azarmi, K. Balani, H. Li, T. Eden, K. Shinoda, T. Hussain, F. L. Toma, Y. C. Lau, and J. Veilleux. ASM International, 2018. http://dx.doi.org/10.31399/asm.cp.itsc2018p0561.

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Abstract This study aims at evaluating the erosion resistance at temperature of several hard coatings, including: CrC-NiCr by HVOF, Fe-based alloy by Arc Spray, NiCrBSiFe by powder flame spraying. These coatings are to be used for the recovery of highly eroded walls (above 10 mm thickness) of gray cast iron in the exhaust ducts in heavy-fuel engines. The erosion test consists of erosive particles thrown through a high temperature gas jet, for 5 cycles of 5 minutes, according to ASTM G211-14 (modified). Coated samples are subjected to a fuel gas-torch reaching a front temperature of 450ºC and a back temperature of 90ºC (water cooled), simulating the actual application. The eroded samples are characterized using EDS, and SEM. The results show the erosion rate of each material/system, and their corresponding erosion mechanisms. Thus, the results allows for the selection of an optimum coating for this surface recovery application.
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Voskoboinick, V., A. Voskoboinick, O. Areshkovych, and O. Voskoboinyk. "Pressure fluctuations on the scour surface before prismatic pier." In The 8th International Conference on Scour and Erosion. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315375045-115.

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Schmid, K., J. Roth, and Sadruddin Benkadda. "Erosion processes due to energetic particle-surface interaction." In PLASMA INTERACTION IN CONTROLLED FUSION DEVICES: 3rd ITER International Summer School. AIP, 2010. http://dx.doi.org/10.1063/1.3447990.

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Abdelhamid, Y., and U. El Shamy. "Fundamental Study on Surface Erosion in Levee Systems." In Geo-Congress 2013. Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412787.194.

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Reports on the topic "Erosion Surface"

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Brooks, J. N., D. N. Ruzic, D. B. Hayden, and R. B. Jr Turkot. Surface erosion issues and analysis for dissipative divertors. Office of Scientific and Technical Information (OSTI), August 1994. http://dx.doi.org/10.2172/10158166.

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Conroy, P. J., P. Weinacht, and M. J. Nusca. 120-MM Gun Tube Erosion Including Surface Chemistry Effects. Fort Belvoir, VA: Defense Technical Information Center, October 1997. http://dx.doi.org/10.21236/ada338048.

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Brooks, J. N. Temperature limit of a graphite divertor surface due to particle erosion. Office of Scientific and Technical Information (OSTI), March 1989. http://dx.doi.org/10.2172/6312989.

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MacDonald, Anne. Surface Erosion and Disturbance at Archeological Sites: Implications for Site Preservation. Fort Belvoir, VA: Defense Technical Information Center, February 1990. http://dx.doi.org/10.21236/ada219619.

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Springer, E. P. Surface water and erosion calculations to support the MDA G performance assessment. Office of Scientific and Technical Information (OSTI), March 1997. http://dx.doi.org/10.2172/444073.

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Brooks, J. N., R. Causey, G. Federici, and D. N. Ruzic. Assessment of erosion and surface tritium inventory issues for the ITER divertor. Office of Scientific and Technical Information (OSTI), August 1996. http://dx.doi.org/10.2172/270803.

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Bradford, Joe, Itzhak Shainberg, and Lloyd Norton. Effect of Soil Properties and Water Quality on Concentrated Flow Erosion (Rills, Ephermal Gullies and Pipes). United States Department of Agriculture, November 1996. http://dx.doi.org/10.32747/1996.7613040.bard.

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Concentrated flow erosion in rills, pipes, ephermal gullies, and gullies is a major contributor of downstream sedimentation. When rill or gullies form in a landscape, a 3- to 5-fold increase in soil loss commonly occurs. The balance between the erosive power of the flow and the erosion resistance of the bed material determines the rate of concentrated flow erosion. The resistance of the bed material to detachment depends primarily on the magnitude of the interparticle forces or cohesion holding the particles and aggregates together. The effect of soil properties on bed material resistance and concentrated flow erosion was evaluated both in the laboratory and field. Both rill erodibility and critical hydraulic shear were greater when measured in 9.0 m long rills under field conditions compared with laboratory mini-flumes. A greater hydraulic shear was required to initiate erosion in the field compared to the mini-flume because of the greater aggregate and clod size and stability. Once erosion was initiated, however, the rate of erosion as a function of hydraulic shear was greater under field conditions because of the greater potential for slaking upon wetting and the greater soil surface area exposed to hydraulic shear. Erosion tests under controlled laboratory conditions with the mini-flume allowed individual soil variables to be studied. Attempts to relate rill erosion to a group soil properties had limited success. When individual soil properties were isolated and studied separately or grouped separately, some trends were identified. For example, the effect of organic carbon on rill erodibility was high in kaolinitic soils, low in smectitic soils, and intermediate in the soils dominated by illite. Slow prewetting and aging increased the cohesion forces between soil particles and decreased rill erodibility. Quick prewetting increased aggregate slaking and increased erodibility. The magnitude of the effect of aging depended upon soil type. The effect of clay mineralogy was evaluated on sand/clay mixtures with montmorillonite (M), Illite (I), and kaolinite (K) clays. Montmorillonite/sand mixtures were much less erodible than either illite or kaolonite sand mixtures. Na-I and Na-K sand mixtures were more erodible than Ca-I and Ca-K due to increased strength from ionic bonding and suppression of repulsive charges by Ca. Na-M was less erodiblethan Ca-M due to increased surface resulting from the accessibility of internal surfaces due to Na saturation. Erodibility decreased when salt concentration was high enough to cause flocculation. This occurred between 0.001 mole L-1 and 0.01 mole L-1. Measuring rill erodibility in mini-flumes enables the measurement of cohesive forces between particles and enhances our ability to learn more about cohesive forces resisting soil detachment under concentrated water flow.
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Leung, W. K., Y. Hirooka, R. W. Conn, D. M. Goebel, B. LaBombard, and R. Nygren. An in-situ spectroscopic erosion yield measurement with applications to sputtering and surface morphology alterations. Office of Scientific and Technical Information (OSTI), July 1988. http://dx.doi.org/10.2172/6933215.

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Pawel, Steven J. Assessment of Cavitation-Erosion Resistance of 316LN Stainless Steel Following a Nitro-Carburizing Surface Treatment. Office of Scientific and Technical Information (OSTI), November 2009. http://dx.doi.org/10.2172/971593.

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Antrim, L. D., R. M. Thom, and W. W. Gardiner. Lincoln Park shoreline erosion control project: Monitoring for surface substrate, infaunal bivalves and eelgrass, 1993. Office of Scientific and Technical Information (OSTI), September 1993. http://dx.doi.org/10.2172/10185939.

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