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Добірка наукової літератури з теми "Treatment shafts"

Автор: Grafiati

Опубліковано: 28 травня 2022

Оновлено: 31 липня 2025

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Статті в журналах з теми "Treatment shafts"

Kowalski, Sławomir, Martin Pexa, Zdeněk Aleš, and Jakub Čedík. "Failure Analysis and the Evaluation of Forced-in Joint Reliability for Selected Operation Conditions." Coatings 11, no. 11 (2021): 1305. http://dx.doi.org/10.3390/coatings11111305.

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In this article, sample damage and wear of forced-in joints is presented, and their reliability evaluated. Compared were shafts without additional finish treatment, rolled shafts and those with a TiSiN coating. Tribological samples under investigation operated in rotational bending conditions. Recorded was the number of fatigue cycles at which damage might occur. Reliability indicators were plotted, which demonstrated that coated shafts are distinguished by the highest reliability and low damage intensity. Macroscopic observations of shaft surfaces demonstrated the traces of adhesive wear and,

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Kam, Menderes, and Hamit Saruhan. "Vibration damping capacity of deep cryogenic treated AISI 4140 steel shaft supported by rolling element bearings." Materials Testing 63, no. 8 (2021): 742–47. http://dx.doi.org/10.1515/mt-2020-0118.

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Abstract The main objective of the present study is to experimentally investigate and figure out the effect of deep cryogenic treatment in improving dynamic behaviors in terms of damping of a rotating shaft supported by rolling element bearings. An AISI 4140 steel for rotating shafts was selected for the experiments because it is the most widely used material in most industries for a wide range of applications such as machinery components, crankshafts, motor shafts, axle shafts, and railway locomotive traction motor shafts. Untreated, conventionally heat treated, deep cryogenic treated, and de

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Świć, Antoni, Arkadiusz Gola, Łukasz Sobaszek, and Natalia Šmidová. "A thermo-mechanical machining method for improving the accuracy and stability of the geometric shape of long low-rigidity shafts." Journal of Intelligent Manufacturing 32, no. 7 (2021): 1939–51. http://dx.doi.org/10.1007/s10845-020-01733-4.

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AbstractThe article presents a new thermo-mechanical machining method for the manufacture of long low-rigidity shafts which combines straightening and heat treatment operations. A fixture for thermo-mechanical treatment of long low-rigidity shafts was designed and used in tests which involved axial straightening of shafts combined with a quenching operation (performed to increase the corrosion resistance of the steel used as stock material). The study showed that an analysis of the initial deflections of semi-finished shafts of different dimensions and determination of the maximum corrective d

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Mustapha, K. B., Z. W. Zhong, and S. B. A. Kashem. "Vibration Behavior of Gravity-Loaded Whirling Micro-Scale Shafts Influenced by an Axial Magnetic Field." International Journal of Structural Stability and Dynamics 17, no. 09 (2017): 1750110. http://dx.doi.org/10.1142/s0219455417501103.

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Some high-speed rotating micro-machines and micro-vibration devices rely on the use of whirling micro-shafts subject to the effect of gravity and magnetic fields. At present, the consequences of the interaction between the elastic deformation of such shafts and the magnetic/gravitational field effects remain unresolved. Focusing on micro-scale whirling shafts with very high torsional rigidity, this study presents a theoretical treatment grounded in the theory of micro-continuum elasticity to examine the ramification of this interaction. The differential transformation method (DTM) is used to o

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Hollas, Christian, Georg Jacobs, Vitali Züch, et al. "Power Density Analysis of Wind Turbine Main Bearing Units by Holistic Optimization of Material, Manufacturing and Design of the Main Shaft." Journal of Physics: Conference Series 2767, no. 8 (2024): 082003. http://dx.doi.org/10.1088/1742-6596/2767/8/082003.

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Abstract Given the continuous increases in wind turbine (WT) rated power and size, the nacelle weight and logistic handling costs increases significantly. To support heavier nacelles, stronger towers are needed which again increases material costs, so a need for nacelle power density increase arises. One solution to this problem is to increase the power density of the cast or forged WT main shaft. The power density in cast main shafts is limited by the low tensile strength of cast iron. High tensile strength steels, which theoretically increase power density, are used in state-of-the-art forge

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Kosec, Borut, Blaž Karpe, Mirko Gojić, et al. "Inductive Heating and Quenching of Planetary Shafts for Diesel Engine Starters." Advanced Technologies & Materials 48, no. 2 (2023): 55–61. http://dx.doi.org/10.24867/atm-2023-2-003.

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High mechanical and temperature cyclic loading of the final products for automotive, transport, construction and agriculture mechanization industry, demands sufficient mechanical properties of all of their components during its exploitation. Majority of the components is made of steel, by different cold forming processes. Their main demanded characteristics are surface wear resistance and fatigue strength under pulsating stress in combination with cyclic temperature loading, which could be achieved only by appropriate heat treatment. The efficiency of the combined inductive heating and water q

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Voyer, Joel, Stefan Klien, Florian Ausserer, Igor Velkavrh, Paul Schachtschneider, and Marius Süß. "Time and Costs Optimized Performance Evaluation Tests of Alternative Shaft-Bushing Concepts." Solid State Phenomena 320 (June 30, 2021): 103–10. http://dx.doi.org/10.4028/www.scientific.net/ssp.320.103.

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The present case-study was aimed at evaluating and comparing the frictional properties (friction and wear) of alternative concepts for a shaft-bushing component in comparison to the actually used benchmark system. Through the use of a specially designed shaft-bushing tribology labor-sized test setup in combination with a high-precision modular tribometer, the overall performance of alternative concepts were evaluated and compared. Benchmark shafts consisted of nitro-carburized and oxidized bearing steel and benchmark bushings were made of sintered steel. The investigated alternative concepts c

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Pusterhofer, Michael, Florian Summer, Michael Maier, and Florian Grün. "Assessment of Shaft Surface Structures on the Tribological Behavior of Journal Bearings by Physical and Virtual Simulation." Lubricants 8, no. 1 (2020): 8. http://dx.doi.org/10.3390/lubricants8010008.

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Optimizing the surface topography of cast iron crankshafts offers the opportunity to use this material as an alternative to steel in high-performance combustion engines. In the past, this was not possible due to the higher wear on bearing shells and the higher friction losses in relation to forged steel shafts. In order to find an optimized shaft micro topography, the friction and wear behavior of steel and cast iron shafts with different surface treatments were compared to each other, using a combined physical (experimental) and a virtual (computational) simulation approach. The experiments w

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Nemenko, A. V., and M. M. Nikitin. "Optimizing the Finishing Treatment of Potato Harvester Transmission Shafts." Agricultural Machinery and Technologies 18, no. 1 (2024): 81–88. http://dx.doi.org/10.22314/2073-7599-2024-18-1-81-88.

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The potato harvester’s distinctive specifications include the spatially segregated drive of its units from an external engine, operating under stochastic conditions. This setup complicates the loading of its components, including transmission shafts, and creates the prerequisites for decreased durability, leading to an upsurge in fatigue failures. To counteract this process, transmission shafts undergo a special treatment aimed at mitigating concentrated defects. (Research purpose) The purpose of this research is to formulate an objective function for controlling the finishing treatment of tra

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Oshovskyі, Viktor, Igor Kapura, and Oleksandr Shostak. "Prospects of Modern Methods of Butt Welding for the Manufacture of Blanks and Repair of Crankshafts." National Interagency Scientific and Technical Collection of Works. Design, Production and Exploitation of Agricultural Machines, no. 54 (2024): 3–11. https://doi.org/10.32515/2414-3820.2024.54.3-11.

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The purpose of the study is to analyze modern productive automated methods of electrostatic welding that are promising for technologies for manufacturing blanks or repairing steel crankshafts from prefabricated parts to replace stamping, forging, and other unproductive methods, as well as to increase material utilization, quality, reliability, and the possibility of implementing these methods at engine-building enterprises. It is noted that the existing stamping methods cause shape deviations when the crankshafts are twisted. And when forging large shafts, due to the need to simplify the workp

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Дисертації з теми "Treatment shafts"

Andersson, Sofia. "Study of Dross in Ductile Cast Iron Main Shafts." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-37148.

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The study of dross in ductile cast iron main shafts was performed at Global Castings Guldsmedshyttan AB and presented in this master thesis. The purpose of the study was to obtain answers to why dross defects were present in some of the foundry's casted main shafts, with the main problem located at the flange of the shaft. The chemical composition of the dross formations and which steps in the casting process that increased the dross formation were of interest. The study only included dross in main shafts manufactured at Global Castings Guldsmedshyttan AB. Dross particles form when elements su

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Савчук, Володимир Іванович, Владимир Иванович Савчук, Volodymyr Ivanovych Savchuk, А. О. Куманцев та С. В. Порохня. "Особенности конструкции устройств, применяемых при обработке валов абразивными брусками". Thesis, Издательство СумГУ, 2007. http://essuir.sumdu.edu.ua/handle/123456789/19100.

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Нами предложено устройство, позволившее обеспечить требуемые параметры при отделочной обработке валов, такие как возможность регулирования частот радиальных и осевых колебаний бруска в широком диапазоне, а также изменение амплитуды движения режущего инструмента в процессе обработки. При цитировании документа, используйте ссылку http://essuir.sumdu.edu.ua/handle/123456789/19100

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Durfy, Jennifer L. "Investigation of damping treatments for propeller shaft vibration." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0029/MQ65288.pdf.

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Мірошніченко, О. М., О. В. Лупирь, Тетяна Павлівна Говорун, Татьяна Павловна Говорун та Tetiana Pavlivna Hovorun. "Застосування хіміко-термоциклічної обробки для валів зі сталі 25ХГТ". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/64073.

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Часто традиційні способи зміцнюючих технологій виявляються недостатньо ефективними при вирішенні задач нової техніки. Це призвело до розробки у останній час способів та режимів, в основі яких лежать прийоми, що дозволяють інтенсифікувати велику кількість фізико-хімічних процесів за рахунок використання природи матеріалів і особливостей протікаючих у них структурних перетворень.

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Sinikumpu, J. J. (Juha-Jaakko). "Forearm shaft fractures in children." Doctoral thesis, Oulun yliopisto, 2013. http://urn.fi/urn:isbn:9789526203003.

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Abstract There are previous reports of an increasing incidence of children’s forearm fractures in the last few decades. Their surgical treatment is evolving. The present study was aimed at determining the incidence and background of these fractures and their treatment. It was also aimed to analyse the short- and long-term outcomes. A comprehensive population-based study (N=168) among 86,000 children in Oulu University Hospital District over a decade (2000–2009) was performed to analyse the incidence of middle-third forearm fractures. Further data (N=291) covering 1997–2009 was achieved in orde

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Matsuba, Stephen N. "The Prism of war : Shaw's treatment of war in Arms and the man and Heartbreak house." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26887.

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Many critics examine Shaw's plays in terms of the subjects they deal with, but they often ignore what aspects of these subjects Shaw draws on or how he uses them. One subject that appears in many of his works is war. This thesis examines Shaw's treatment of war in Arms and the Man and Heartbreak House, and attempts to discover a common element between them that reveals something not only about the plays themselves, but also about Shaw's drama in general. The chapter on Arms and the Man notes how Shaw makes war a highly visible element of the play, but avoids dealing with issues directly relat

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Isert, Dietmar. "The accounting treatment of derivatives on a reporting entity's own shares adding the new category "equity derivatives"." Baden-Baden Nomos, 2008. http://d-nb.info/993924395/04.

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Lazarinis, Stergios. "Form and Finish of Implants in Uncemented Hip Arthroplasty : Effects of Different Shapes and Surface Treatments on Implant Stability." Doctoral thesis, Uppsala universitet, Ortopedi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-185299.

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The design of an uncemented hip arthroplasty implant affects its long-term survival. Characteristics such as the form and the finish of the implant are crucial in order to achieve the best possible conditions for long-term implant survival. In this thesis we hypothesized that different shapes of stems and cups used in primary and revision total hip arthroplasty (THA), and their finish with hydroxyapatite (HA) coating affect implant stability and thus long-term survival. In 2 prospective cohort studies the clinical outcome, the stability measured with radiostereometric analysis (RSA), and the p

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Fini, Stefano. "Effect of friction, surface treatment and adhesive-reinforcement on the behavior of threaded connections. Effetto dell'attrito, dei trattamenti superficiali e dell'incollaggio sul comportamento dei collegamenti filettati." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3422419.

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This study aims at analyzing the phenomena which characterize threaded connections. This type of joint has been known for thousands years (one of the first applications is attributable to Archimedes) allows transforming a torque into an axial force, typically used to lock two or more components thanks to the friction forces that arise between the connected bodies. One of the main strengths of this type of coupling is the possibility to assemble and disassemble the assembled parts; in addition, it can be applicable to almost any type of material. However, the joint system is characterized by

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Kindo, Ajit Kumar, and Rajesh Goel. "Optimization of heat treatment of steel developed for turbine shafts." Thesis, 2012. http://ethesis.nitrkl.ac.in/3450/1/THESIS(108MM015%2C_108MM022).pdf.

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Turbine shafts are basically used in steam turbine, hydro turbine and wind turbines. These turbine shafts require very stringent properties. Generally high yield strength, tensile strength and percentage elongation are required along with high impact values at the same time. In addition, the material should exhibit good high temperature properties such as creep, elevated temperature strength and thermal stability. Practically the turbine shafts used are very massive in size. Hence, the coefficient of thermal expansion should be small so as to maintain a minimum temperature gradient between the

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Книги з теми "Treatment shafts"

Limited, Freeman Fox, and Planning Research Programme, eds. Treatment of disused mine openings: Executive summary and final report. H.M.S.O., 1988.

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Sharpe, Adam. Steeple Wood and Trelyon Downs, St. Ives: An archaeological watching brief during the safety treatment of shafts and other mine workings works for Cornwall County Council and Penwith District Council. Cornwall Archaeological Unit, 1999.

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Home Decorating Institute (Minnetonka, Minn.), ed. More creative window treatments: Including curtains, shades & top treatments. Cy DeCosse, 1996.

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Simpson, Ida J. Yardage for drapery & top treatments (made easy). s.n., 2001.

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Huls, Mary Ellen. Window treatments: A bibliography of current literature. Vance Bibliographies, 1986.

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Ali, Watkinson, ed. Window treatments: A source book of contemporary ideas for simple curtains and shades. Ryland Peters & Small, 2002.

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Association, Reader's Digest, ed. Curtains & shades: A step-by-step guide to creative window treatments. The Reader's Digest Association, 1997.

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Jones, Andy. Wheal Ramoth: An archaeological watching brief during land reclamation funded shaft safety treatment works at Wheal Ramoth. Cornwall Archaeological Unit, 1998.

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Tobel, Jackie Von. The design directory of window treatments. Gibbs Smith, 2007.

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International, Creative Publishing, ed. The complete photo guide to window treatments: Do-it-yourself draperies, curtains, valances, swags, and shades. Creative Pub. International, 2007.

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Частини книг з теми "Treatment shafts"

Sidyakin, Yu I., S. N. Olshtynsky, and S. Y. Abakumova. "Application of Smoothing Rollers in Processes Finishing–Strengthening Treatment of Shafts’ SPD." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22063-1_129.

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Egamov, Jasur, Nazirjon Safarov, and Ilkhomjon Mirsultonov. "Mathematical Modeling of Temperature Stresses in Hollow Thick-Walled Shafts during Laser Chemical-Thermal Treatment." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-95649-2_8.

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Bondarenko, Y. A., N. A. Maslennikov, and A. A. Mamchenkova. "Researching the Influence of the Location Tool on the Treatment of Large Shafts Requiring Surface Shaping." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22063-1_113.

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Shammas, Nazih K., Lawrence K. Wang, Jeffrey Guild, and David Pollock. "Vertical Shaft Bioreactors." In Advanced Biological Treatment Processes. Humana Press, 2009. http://dx.doi.org/10.1007/978-1-60327-170-7_2.

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Agarwal, A. "Femoral Shaft Fractures." In Current Orthopedic diagnosis & treatment. Current Medicine Group, 2000. http://dx.doi.org/10.1007/978-1-4613-1107-2_36.

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McGanity, P. L. J. "Humeral Shaft Fractures." In Current Orthopedic diagnosis & treatment. Current Medicine Group, 2000. http://dx.doi.org/10.1007/978-1-4613-1107-2_47.

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McGanity, P. L. J. "Tibial Shaft Fractures." In Current Orthopedic diagnosis & treatment. Current Medicine Group, 2000. http://dx.doi.org/10.1007/978-1-4613-1107-2_92.

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Wang, Lawrence K., Nazih K. Shammas, Jeffrey Guild, and David Pollock. "Vertical Shaft Digestion, Flotation, and Biofiltration." In Advanced Biological Treatment Processes. Humana Press, 2009. http://dx.doi.org/10.1007/978-1-60327-170-7_12.

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Franzone, Jeanne M., and Richard W. Kruse. "Tibial Shaft Fracture: Cast Treatment." In Pediatric Orthopedic Trauma Case Atlas. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-29980-8_146.

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Franzone, Jeanne M., and Richard W. Kruse. "Tibial Shaft Fracture: Cast Treatment." In Pediatric Orthopedic Trauma Case Atlas. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-28226-8_146-1.

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Тези доповідей конференцій з теми "Treatment shafts"

Reid, Craig, and Dave Christie. "Corrosion in Secondary Effluent Treatment Systems." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04250.

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Abstract Microbiologically influenced corrosion (MIC) has occurred in activated sludge effluent treatment systems in several Canadian mills. Carbon steel recycled activated sludge (RAS) piping and type 316L stainless steel clear effluent piping have perforated in less than 10 years of service due to corrosion by sulfate reducing bacteria (SRB). In the vapour space of bioreactors sulphuric acid produced by sulfur oxidizing bacteria (SOX) has caused severe corrosion of concrete and type 304 stainless steel agitator shafts in one mill. In the case of SRB corrosion of carbon steel RAS piping and 3

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Bhavsar, Rashmi B., Seth Silverman, and Jan Edwards. "Development of Spring and Fastener Characteristics for Alloy 725 for Oil and Gas Applications." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09077.

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Abstract Alloy 725 is a precipitation hardenable nickel-chrome-molybdenum alloy with higher molybdenum content than generally used in common nickel-based alloys used in oil gas applications. This alloy is used where high strength and superior corrosion resistance is required. It is listed in NACE MR0175/ISO15156 at a maximum hardness of 43 HRC in the annealed and aged condition. There are applications where higher strength along with corrosion and cracking resistance are required such as springs, fasteners and pump shafts. Alloy X-750, MP35N and Elgiloy are common spring materials for oil and

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Gómez Flórez, Pablo Andrés, Alejandro Toro Betancur, John Edison Morales Galeano, and Jeisson Mejía Velásquez. "PAW and GTAW Welding Repair of HP/IP and Generator Rotors of a Steam Turbine for Electric Power Generation." In AM-EPRI 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.am-epri-2024p0247.

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Abstract This work describes the repair procedure conducted on the High Pressure/Intermediate Pressure (HP/IP) and generator rotors of a 180 MW steam turbine General Electric (GE) - STAG207FA type D11 installed at La Sierra Thermoelectric Power Plant in Puerto Nare, Colombia. A lubricant supply failure at base load caused severe adhesive damage to the shafts in the bearing support areas and a permanent 3.5 mm bow at the HP/IP rotor mid span section, which required a complex intervention. The repair process began with the identification of the rotors manufacturing material through in-situ metal

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Yan, Wenqing, Haowei Li, Shiye Huang, et al. "In-situ Ultrasound Guided Closed Long Bone Shaft Fracture Treatments." In 2025 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). IEEE, 2025. https://doi.org/10.1109/vrw66409.2025.00297.

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Thomas, E. Dail, Andrew Seelinger, and Richard B. Southard. "National Surface Treatment Center Study: Navy Rudder Coating Failures." In SSPC 2003. SSPC, 2003. https://doi.org/10.5006/s2003-00048.

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Abstract Coating systems currently applied to the U.S. Navy’s ARLEIGH BURKE (DDG 51) class destroyers’ rudders, propeller shaft struts, and other high stress areas often fail within one year of their installation. Coating loss resulting in exposed rudder shell plating is a serious readiness and fiscal concern for Navy ship operators and maintenance organizations. Corrosion damage to rudder shell plating increases maintenance costs and threatens current Navy initiatives to lengthen dry-docking intervals for these ships. The Navy has not identified the root cause(s) and failure mechanism behind

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Corrin, Edward, and Terry M. Williams. "A Case Study Evaluating a Co-Injection Biocide Treatment of Hydraulic Fracturing Fluids Utilized in Oil and Gas Production." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05998.

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Abstract The recovery of petroleum resources from previously untapped shale reserves significantly impacts the global energy market. Effective management of limited water resources and control of microbial contamination in all process fluids are crucial to the sustained quality of production fluids. Microbiological contamination in untreated waters is recognized in the oil and gas industry as posing a high risk of production fluid souring by allowing the growth and metabolism of sulfate reducers. In addition to hydraulic source water contamination, it is expected that microbes can be introduce

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Lin, San-Shyan, Tang Lin, and Lung-Tung Chang. "A Case Study for Drilled Shafts Base Mud Treatment." In Geo-Denver 2000. American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40511(288)4.

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Rudnev, Valery, William West, Aaron Goodwin, and Steve Fillip. "Breakthrough in Induction Hardening Shafts." In HT 2015. ASM International, 2015. http://dx.doi.org/10.31399/asm.cp.ht2015p0141.

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Abstract This presentation reviews selected innovations related to induction hardening of various automotive powertrain transmission and engine components, including but not limited to induction surface hardening of complex geometry shafts. Thanks to several innovative designs (patented and patent pending), important goals were achieved. Process flexibility in shaft scan hardening has been substantially enhanced thanks to a novel inverter design that allows controlling independently frequency and power during scanning. This innovation allows improving quality of induction hardened components m

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Russell, Collin A., and Michael J. Zaharof. "New Technology Advancing Induction Heat Treatment Quality, Flexibility, and Performance." In HT 2017. ASM International, 2017. http://dx.doi.org/10.31399/asm.cp.ht2017p0228.

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Abstract Electromagnetic induction has provided reliable, predictable, and cost-effective heat treatment results for decades. Recently-developed inverter technology, providing instantaneous and calculated frequency control during heating, is dramatically advancing the heat treatment quality and equipment capability that induction heat treatment systems can deliver. This paper presents the many advantages of the technology in numerous real-world induction heat treatment applications, particularly in the scan hardening of shafts and shaft-like components. Coupled electromagnetic-thermal finite e

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Greig, N. Andrew. "Of Smut, Magic Backing Bars, and Hybridization: Lessons Learned in Government- Industry Cooperation to Develop kel-Aluminum Bronze (NAB) Main Propulsion Shaft Repair Procedures." In SNAME 14th Propeller and Shafting Symposium. SNAME, 2015. http://dx.doi.org/10.5957/pss-2015-007.

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Nickel-Aluminum bronze (NAB) (UNS 63000) main propulsion shafts are employed in AVENGER Class minesweepers due to the alloy’s strength, corrosion resistance, and low ferromagnetic signature. The US Navy sought additional sources of sustaining the Fleet with refurbished shafts using weld repair processes followed by Post-weld Temper Annealing (PWTA) heat treatment to mitigate dealloying corrosion. This paper describes the high level of technical cooperation and information sharing among Navy, shaft repair facility, and supplier metallurgists and engineers needed to successfully develop, test, a

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Звіти організацій з теми "Treatment shafts"

Tang, Liheng, Jin Xian, Ye Zhang, et al. Efficacy of acupuncture for melasma: a protocol of systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2021. http://dx.doi.org/10.37766/inplasy2021.11.0097.

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Review question / Objective: How effective is acupuncture in treating melasma compared to conventional treatment？ Condition being studied: Melasma is a common acquired hyperpigmentation of the skin. The clinical manifestations are light brown or dark brown patches symmetrically distributed on the cheeks, forehead and mandibular with different shades and unclear borders. Melasma particularly affects women during menstruation, especially in thirties and forties Asian women. The incidence of Asian women of childbearing age is as high as 30%. Current treatments for melasma include topical drugs, c

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Goel, Dr Divanshu, and Dr Manjeet Singh. HYBRID EXTERNAL FIXATION FOR PROXIMAL TIBIAL FRACTURES. World Wide Journals, 2023. http://dx.doi.org/10.36106/ijar/1505336.

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Introduction: Intraarticular fractures of the tibial plateau and periarticular fractures of the proximal tibia, caused by high energy trauma pose a therapeutic dilemma. Such fractures are associated with extensive soft tissue damage with or without compound injury. The management of such high velocity injuries become a challenge to the trauma surgeons. The goals of these periarticular fractures management are 1. Restoration of joint congruity by anatomic reduction 2. Stable xation of fractures thus allowing early movements 3. Proper care of injured soft tissues. In earlier days uniplanar exte

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Mims, Haley. Concrete testing for MTC : Oxocrete™ surface treatment. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48291.

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This technical note provides an in-depth review of results for the concrete testing performed on a Materials Testing Center (MTC) project. At the request of the sponsor, Mr. Allan Shantz, this document specifically focuses on the difference in the physical and chemical properties between treated and untreated concrete cores and beams.

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Lamberti, Gianfranco, Laura Pelizzari, Milena Fontana, Paola Gandolfi, and Gianluca Ciardi. Can a lower limb-centered movement training inhibit overactive bladder? Systematic review of literature. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.7.0099.

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Review question / Objective: Is there a relationship between lower limb activation and inhibition of overactive bladder? Could a specific rehabilitation program be useful to better manage neurological bladder? Condition being studied: Asavoposon (2014), studying brain activations using the RM, states that there is a overlapping between pelvic floor motor areas and lower limb ones; previous studies involving brain imaging (Shafik 2009, 2003; Tai 2011) found that sensistive afferents from lower limb stimulation have an inhibitory effect on overactive bladder.Recently, Zillioux (2022) supports nu

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Chen, Zhao. External fixation versus intramedullary nailing for the treatment of open tibial shaft fractures: a meta-analysis of randomized controlled trials. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2023. http://dx.doi.org/10.37766/inplasy2023.1.0061.

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Uribe-Terán, Carlos, Diego F. Grijalva, and Iván Gachet. How do Trade Restrictions Affect Market Diversity? Inter-American Development Bank, 2025. https://doi.org/10.18235/0013490.

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This paper examines the impact of safeguard import tariffs on market diversity in Ecuador from 2015 to 2017. Using firm-level data, we estimate the effects of tariffs on revenue and market shares in the Manufacturing and Wholesale & Retail (W&R) sectors with a Quantile Treatment Effect on the Treated (QTT) estimator. We also assess firm exit probabilities and pass-through effects on prices through a difference-in-differences approach. By linking firm-level QTT estimates to industry-level diversity measures, we construct counterfactual revenue distributions to quantify the effect on mar

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Keefer, Philip, Julien Labonne, and Cesi Cruz. Incumbent Advantage, Voter Information and Vote Buying. Inter-American Development Bank, 2016. http://dx.doi.org/10.18235/0011746.

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Results from a new experiment shed light on the effects of voter informationon vote buying and incumbent advantage. The treatment provided voters with information about a major spending program and the proposed allocations and promises of mayoral candidates just prior to municipal elections. It left voters more knowledgeable about candidates' proposed policies and increased the salience of spending, but did not affect vote shares and turnout. Treated voters were more likely to be targeted for vote buying. We develop a model of vote buying that accounts for these results. The information raised

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Walmsley, Terrie, and Peter Minor. MyGTAP Model: A Model for Employing Data from the MyGTAP Data Application—Multiple Households, Split Factors, Remittances, Foreign Aid and Transfers. GTAP Working Paper, 2013. http://dx.doi.org/10.21642/gtap.wp78.

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The GTAP standard model has proved a useful analysis tool and data source for over 20 years. The GTAP model has been updated overtime, but it maintains the structure of a single regional household, with income distributed into three components: government, private and savings-investment expenditures. There has been a need for a more detailed accounting system, especially as it relates to estimating the potential impacts of policies and global shocks on poverty, sustainable and inclusive growth. This paper presents an extension to the GTAP model and its accounting framework to implement distinc

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