Готові списки джерел за темами / Especially high quality steel

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Добірка наукової літератури з теми "Especially high quality steel"

Автор: Grafiati

Опубліковано: 28 травня 2022

Оновлено: 31 липня 2025

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Статті в журналах з теми "Especially high quality steel"

Kaščák, Ľuboš, and Emil Spišák. "Effect of Welding Parameters on the Quality of Spot Welds Combining AHSS Steel and HSLA Steel." Key Engineering Materials 586 (September 2013): 162–65. http://dx.doi.org/10.4028/www.scientific.net/kem.586.162.

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The resistance spot welding of dissimilar materials is generally more challenging than that of similar materials due to differences in the physical, chemical and mechanical properties of the base metals. Advanced high strength steels and high strength low alloy steels are utilized in automotive industry to reduce weight of the vehicle body and consequently lowering the fuel consumption to achieve the lowest possible fuel consumption, high active and passive safety of passengers while decreasing the amount of emission. The influence of the primary welding parameters, especially welding current,

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Ferreyra, E., and L. E. Murr. "Dislocation Substructure Contributions to the Tonal Qualities of the Caribbean Steel Drum - A TEM Study." Microscopy and Microanalysis 5, S2 (1999): 856–57. http://dx.doi.org/10.1017/s1431927600017608.

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Deformation substructures, especially dislocations, play an important role in the fabrication of the Caribbean steel drum and experimental evidence also suggests dislocations play a crucial role in the harmonic tuning and related musical qualities as well. In this study, we have examined and compared the dislocation substructures in high-quality, low-carbon (0.04-0.06 weight percent carbon) steel drum heads as manufactured, and sections cut from variously deformed (10% to 50% reduction) drum head sections, including those patterned with musical notes and heat treated; utilizing TEM.We have rec

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Başyiğit, Aziz, and Mustafa Murat. "The Effects of TIG Welding Rod Compositions on Microstructural and Mechanical Properties of Dissimilar AISI 304L and 420 Stainless Steel Welds." Metals 8, no. 11 (2018): 972. http://dx.doi.org/10.3390/met8110972.

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The usage of AISI/SAE 304L austenitic and 420 martensitic stainless steels is receiving greater interest especially in the defence and navy industries. 304L stainless steels exhibit excellent resistance to oxidizing media, while martensitic 420 alloy provides high strength values besides satisfactory corrosion properties at ambient atmospheres. In this work; 420 quality martensitic stainless steel is TIG (Tungsten Inert Gas) welded with 304L quality low carbon austenitic stainless steel plates. As filler metal dominantly determines the weld metals chemical compositions and final microstructure

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Suarez, Lucia, Juergen Schneider, and Yvan Houbaert. "Effect of Si on High-Temperature Oxidation of Steel during Hot Rolling." Defect and Diffusion Forum 273-276 (February 2008): 655–60. http://dx.doi.org/10.4028/www.scientific.net/ddf.273-276.655.

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An oxide scale layer always forms at the strip surface during the hot rolling process. As a consequence, de-scaling and pickling operations must be performed prior or after hot rolling. Many surface defects caused by hot rolling are related to oxidation in the reheating furnace. One of these is the melting of eutectic FeO/Fe2SiO4 during reheating over 1170°C giving as a result red scale defects in Si-added steel. On the other hand, steel strip surface oxidation during hot rolling causes an industrial and environmental problem: secondary oxide is removed after roughing, but tertiary oxide scale

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Ah-lung, Guillaume, Ayyoube Barchid, Brahim Boubeker, et al. "Effects of Melting/Casting and Thermal Treatment Surrounding Gas Phase Composition on the Properties of a Low-Alloyed Steel." Metals 14, no. 12 (2024): 1317. http://dx.doi.org/10.3390/met14121317.

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This study aims to provide insights into the experimental conditions used during the melting/casting process and subsequent thermal treatments of low-alloy steels, particularly regarding recycled scrap metals. As sustainable practices in metallurgy gain importance, optimizing scrap metal recycling is crucial for producing steel grades with desired chemical compositions, microstructures, and physical properties. Understanding these conditions is vital for enhancing the efficiency and quality of steel production from recycled materials. This study emphasizes the critical role of specific experim

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Jansto, Steven G. "High Quality TMCP Production and Metallurgy of Niobium Bearing Steels." Materials Science Forum 879 (November 2016): 820–25. http://dx.doi.org/10.4028/www.scientific.net/msf.879.820.

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The technological and metallurgical advancements of value-added niobium (Nb) microalloyed thermo-mechanical controlled process (TMCP) plate steels continue to be developed for more demanding end user requirements. The market demand for reduced fuel consumption and CO2 emissions in the automotive and construction sectors have further increased the demand for these new and advanced higher quality Nb-bearing steel grades. Often, the transition from laboratory melted and TMCP hot rolled heats to the production scale requires some continuous casting, thermal and mechanical metallurgy adjustments fr

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Jaworski, Jan, and Tomasz Trzepieciński. "Surface Layer Properties of Low-Alloy High-Speed Steel after Grinding." Acta Mechanica et Automatica 10, no. 4 (2016): 275–79. http://dx.doi.org/10.1515/ama-2016-0042.

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AbstractInvestigations of the surface layer characteristics of selected kinds of low-alloy high-speed steel after grinding were carried out. They were carried out on the flat-surface grinder with a 95A24K grinding wheel without cooling. The influence of grinding parameters was defined especially for: the quantity of secondary austenite, surface roughness, microhardness and grinding efficiency with a large range of grinding parameters: grinding depth 0.005–0.035 mm, lengthwise feed 2–6 m/min, without a cross-feed on the whole width of the sample. It was found that improvement of grinding proper

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Cîndea, Lenuța. "Research on the quality of welded joints of P265GH heatresistant steel pipes at electron beam mechanized welding." Studia Universitatis Babeș-Bolyai Engineering 65, no. 1 (2020): 21–28. http://dx.doi.org/10.24193/subbeng.2020.1.2.

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This paper analyzes the quality of welded joints of high temperature resistant steel pipe at electron beam welding, knowing that the mechanical properties of these types of steels are influenced by the interaction of different processes specific to physical and mechanical metallurgy. Analyzing the values of the local hardening estimator ΔHV10 calculated between the characteristic areas of welded joints, it is observed that it has a decreasing tendency at thermally de-stressed joints, in all areas of the welded joints, especially in the welded seam.

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Kutuniva, Kari, Jussi A. Karjalainen, and Kari Mäntyjärvi. "Effect of Convex Sheared Punch Geometry on Cutting Force of Ultra-High-Strength Steel." Key Engineering Materials 504-506 (February 2012): 1359–64. http://dx.doi.org/10.4028/www.scientific.net/kem.504-506.1359.

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Extremely high strength of the ultra-high-strength steels leads to increased load factors on the tooling machines and punching tools. This experimental study examines how much convex punch geometry affects cutting forces when punching ultra-high-strength steels. Tools used in punching tests were four different convex sheared rooftop punches and one conventional flat end punch, to which rooftop punches were compared to. The material in punching tests was ultra-high-strength steel Ruukki Optim 960 QC, with a thickness of 4 mm. The test material in punching tests was sheared with rooftop punches

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Walek, Josef, and Lenka Kunčická. "Effect of Oxide Systems on Purity of Tool Steels Fabricated by Electro Slag Remelting." Molecules 30, no. 6 (2025): 1284. https://doi.org/10.3390/molecules30061284.

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The purity of a steel is an important factor influencing the quality of the final products. Therefore, it is important to optimize the existing and develop new steelmaking technologies that affect the resulting purity. Electro slag remelting is a technology of tertiary metallurgy, which can advantageously be used to fabricate high quality steels. The study presents selected theoretical aspects of oxide systems and their specific influences on effectiveness of the electro slag remelting technology. The aim of this work was to experimentally analyze the purity of a tool steel fabricated by elect

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Дисертації з теми "Especially high quality steel"

Кайдаш, Д. В. "Дослідження впливу термічної обробки на властивості особливо високоякісних сталей". Master's thesis, Сумський державний університет, 2021. https://essuir.sumdu.edu.ua/handle/123456789/86665.

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Актуальність роботи пов’язана з дослідженням впливу термічної обробки на корозійну стійкість, пластичні характеристики і ударну в'язкість особливо високоякісних сталей, зокрема сталь виготовлену електрошлаковим переплавом 25Х17Н2Б-Ш, застосовувану для виготовлення складно навантажених деталей в судновому, атомному машинобудуванні, які сприймають значні різноспрямовані динамічні навантаження, наприклад, кріплення, та працюють в агресивних середовищах. В результаті цього підвищується строк експлуатації даного виробу, що значно може скоротити витрати в подальшому на його ремонти або заміну. Над

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Velázquez, Estrada Rita María. "Evaluation of the efficacy of Ultra-High Pressure Homogenization technology to improve the safety and quality of liquid foods and especially of orange juice." Doctoral thesis, Universitat Autònoma de Barcelona, 2011. http://hdl.handle.net/10803/84017.

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El principal objetivo de esta tesis ha sido evaluar la capacidad de la tecnología de ultra alta presión de homogeneización (UHPH) como alternativa a la pasteurización convencional para garantizar la seguridad y calidad de los alimentos líquidos. Para probar la eficacia de la UHPH y garantizar la seguridad microbiana de los alimentos se inoculó Listeria monocytogenes y/o S. enterica serovar Senftenberg 775W en diferentes alimentos líquidos como son huevo entero líquido, leche y zumo de frutas (naranja y uva). y se trataron a 150, 200 y 250 MPa en el caso del huevo liquido y a 200, 300 y

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Fahlström, Karl. "Laser welding of boron steels for light-weight vehicle applications." Licentiate thesis, Högskolan Väst, Forskningsmiljön produktionsteknik(PTW), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-7263.

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Laser beam welding has gained a significant interest during the last two decades. The suitability of the process for high volume production has the possibility to give a strong advantage compared to several other welding methods. However, it is important to have the process in full control since various quality issues may otherwise occur. During laser welding of boron steels quality issues such as imperfections, changes in local and global geometry as well as strength reduction can occur. The aspects that need to be considered are strongly depending on alloy content, process parameters etc. Th

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Tunková, Martina. "Městské lázně." Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2010. http://www.nusl.cz/ntk/nusl-215713.

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Fang, Kai-Liang, and 方凱亮. "A Study 0n the Construction Quality Control of the Steel- Column Transition Joint in SRC- High -Buildings." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/75371712051852075861.

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碩士 國立成功大學 建築學系碩博士班 93 Undergoing a painful experience of the earthquake 921 in Taiwan, it was shown that the building structure of SRC is better than one of RC for considering seismic proof and green building. Therefore, SRC is increasingly applied for more structuring buildings in Taiwan. However, due to the shortage of skilled SRC engineers and technicians considerable amount of SRC high buildings are of inappropriate designs and unsafe in constructions. Thus, the quality control of SRC structure building is a very important issue for people’s property and their lives in Taiwan.

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Lo, Shui-Hsin, and 羅水興. "Research of Introducing the Quality Management System of Automobile Producing—Task the Spot Welding Quality of High Strength Steel Sheets for Automobile AsExample." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/76207929020989850012.

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碩士 中原大學 企業管理研究所 97 To global automakers, steel sheets’ higher ability to endure crash is needed to increase the quality and security of the automobiles. Meanwhile, to respond to the policy of diminishing CO2 emission and to reduce gasoline consumption by lightening the body of cars, applying high strength steel sheets to panel beating has become a trend. The lightest auto body research focuses on the new materials, malleability, and joining skills. Because there are still many challenges in spot quality and skills that should be conquered, spot producing process is the joining skil

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林豪. "Study on managing the engineering quality and quality cost under the most advantageous tender:lllustrated by steel frame structure in high-rise steek buildings." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/70290628504340502418.

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碩士 國立臺灣科技大學 營建工程系 90 ABSTRACT This master’s thesis is a study on managing the engineering quality and quality cost under the most advantageous tender with an illustration of steel frame structures in high-rise buildings. The topics of discussion include the historical process in the awarding of contracts, the lowest tender, the reasonable tender and the most advantageous tender (the advantages and disadvantages of these three types of awarding of contracts), the mechanism for the most advantageous tender to assess the best bidder among contractors, construction quality a

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Mohanty, Sankalp. "Microdrilling of Biocompatible Materials." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10560.

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This research studies microdrilling of biocompatible materials including commercially pure titanium, 316L stainless steel, polyether ether ketone (PEEK) and aluminum 6061-T6. A microdrilling technique that uses progressive pecking and micromist coolant is developed that allows drilling of 127 micrometers diameter microholes with an aspect ratio of 10:1. The drilling parameters, dominant wear pattern, hole positioning accuracy and effect of AlTiN tool coating are experimentally determined. The experimental data trend agrees with classical Taylor's machining equation. Despite of fragile and long

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Книги з теми "Especially high quality steel"

Applications of the Latest Technological Innovations and Processes for the Production of Iron and Steel and High Quality Product-Mix Conference (1992 Chicago, Ill.). Production of iron, steel, and high quality product mix: Latest technological innovations and processes. ASM International, 1992.

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Ginzburg, Vladimir B. High-Quality Steel Rolling. CRC Press, 1993. http://dx.doi.org/10.1201/9781466564640.

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Ginzburg, Vladimir B. High-Quality Steel Rolling: Theory and Practice. Taylor & Francis Group, 1993.

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Ginzburg, Vladimir B. High-Quality Steel Rolling: Theory and Practice. Taylor & Francis Group, 1993.

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High-quality steel rolling: Theory and practice. Marcel Dekker, 1993.

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Book, Free Coloring. Cheetah. Coloring Book: 48 Picture of Cheetah in High Quality, Especially for Kids. Independently Published, 2021.

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Book, Free Coloring. Coloring Book: 48 Pictures of Death Note in High Quality, Especially for Adults. Independently Published, 2021.

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Scarecrow Coloring Book: 50 Pictures of Scarecrow in High Quality, Especially for All People. Independently Published, 2021.

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Princess Coloring Book: 100 Pictures of Princess in High Quality, Especially for All People. Independently Published, 2021.

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Book, Free Coloring. Pizza Coloring Book: 100 Pictures of Pizza in High Quality, Especially for All People . Independently Published, 2021.

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Частини книг з теми "Especially high quality steel"

Wetzig, Tony, Matthias Schwarz, Leandro Schöttler, Patrick Gehre, and Christos G. Aneziris. "Functionalized Feeders, Hollowware, Spider Bricks and Starter Casting Tubes for Increasing the Purity in Steel Casting Processes." In Multifunctional Ceramic Filter Systems for Metal Melt Filtration. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-40930-1_32.

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AbstractAlthough continuous casting became the state of the art for the casting of ordinary steel grades, ingot casting by bottom teeming still has relevance in the steelmaking industry, especially for the manufacturing of specialty and alloy steels. As for every casting process, the ever-increasing quality requirements by customers lead to increased demand for new technologies to increase the purity of the cast steel melt regarding its inclusion content. Due to the special design of the bottom-teeming ingot casting facility and the discontinuous operation as batch process, the application of

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Wu, Shanshan, Mohd Zamri Ramli, Shek Poi Ngian, Baharin Bin Mesir, Gen Qiao, and Yan Chen. "Real-Time Synchronization of Building Information Modelling (BIM) and Windows Forms Application (WFA)." In Advances in Transdisciplinary Engineering. IOS Press, 2025. https://doi.org/10.3233/atde250228.

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In order to promote the digital transformation of the AEC engineering industry towards data-driven high-quality development, efficient information integration and real-time synchronization of Building Information Modelling (BIM) are crucial. However, existing research, especially in the field of bridges, is not deep and mature enough. Therefore, this study aims to develop a Windows Forms Application (WFA) based system for rapid modelling and real-time synchronization in the BIM software. The four main objectives are as follows: the development of structural parameter acquisition application fo

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Gaitonde, V. N., S. R. Karnik, and J. Paulo Davim. "Application of Particle Swarm Optimization for Achieving Desired Surface Roughness in Tungsten-Copper Alloy Machining." In Computational Methods for Optimizing Manufacturing Technology. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-0128-4.ch006.

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The tungsten-copper electrodes are used in the manufacture of die steel and tungsten carbide workpieces due to high thermal and electrical conductivity of copper, spark erosion resistance, low thermal expansion coefficient, better arc-resistance, non-welding, and high melting temperature of tungsten. Since a tungsten-copper electrode is more expensive than traditional electrodes; there is a need to study the machinability aspects, especially the surface roughness of turned components, which has a greater influence on product quality. This chapter deals with the application of response surface

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Bradley, Betsy Hunter. "Factory Walls." In The Works. Oxford University PressNew York, NY, 1999. http://dx.doi.org/10.1093/oso/9780195090000.003.0007.

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Abstract The walls of industrial buildings, as well as their roofs, were engineered to provide light and ventilation for manufacturing space. Invariably, the goal was to replicate ideal outdoors conditions-the brightness and comfortable temperature of a June day. Daylight, especially northern light, was preferred for manufacturing space because of its high quality and low cost. Even after the introduction of gas and electric lighting, natural light was cheaper and better for close work and matching colors. Artificial light was used to supplement daylight during the early morning and late after

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"Quality level competing products Quality level." In High-Quality Steel Rolling. CRC Press, 1993. http://dx.doi.org/10.1201/9781466564640-15.

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Song, Siyuan, and Ibukun Awolusi. "Industrial Safety Management Using Innovative and Proactive Strategies." In Concepts, Applications and Emerging Opportunities in Industrial Engineering. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.93797.

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Safety is considered a top priority due to its significance in safeguarding human lives and properties, especially in high-risk industrial sectors such as aviation, oil and gas, construction, transportation, steel manufacturing, and mining industries. These industries are plagued by workplace injuries, illnesses, and fatalities because of the dangerous work environments. As such, it is very vital to integrate safety into every work process in any industrial environment just like quality is built into products and services. It is important to establish and execute an effective safety management

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"Standardization and Quality Requirements." In High-Quality Steel Rolling. CRC Press, 1993. http://dx.doi.org/10.1201/9781466564640-11.

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"DEFINITIONS25." In High-Quality Steel Rolling. CRC Press, 1993. http://dx.doi.org/10.1201/9781466564640-10.

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"PulsecounterPulseCambertercurvaturecouncomputer." In High-Quality Steel Rolling. CRC Press, 1993. http://dx.doi.org/10.1201/9781466564640-100.

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"SpindleEdger _ _ _ , _ _ housing." In High-Quality Steel Rolling. CRC Press, 1993. http://dx.doi.org/10.1201/9781466564640-101.

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Тези доповідей конференцій з теми "Especially high quality steel"

Yoshitake, A., M. Teraoka, T. Torigoe, and S. Amako. "The Application & Field Experience of High Strength 12% Cr Centrifugally Cast Pipe for Gas Gathering System." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95086.

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Abstract Centrifugal cast method is one of the processes to provide high quality seamless pipe The advantages of the process are heavy wall pipe can be manufacturedrelatively flexible in material selection for manufacturing pipe For sweet corrosion environment caused by CO2 (1)(2) where carbon steels can not be used centrifugally cast 12% Cr martensitic stainless steel pipes and fittings have been developed One of the key factors of this material applied to pipeline is the weldability, especially high hardness of the welds or its heat affected zone which causes for brittle rupture as well as s

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Festy, D., and D. Tigges. "Hydrogen Embrittlement of High Strength Low Alloy Steel, Cathodically Protected in Seawater : Effect of Hydrostatic Pressure." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92421.

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Abstract The exploration and exploitation of deep ocean resources are limited by material performance. In fact, the reliability of equipment is ensured by material resistance to seawater aggressivity. Thus, the use of metallic alloys in a deepsea environment demands study of their electrochemical and mechanical behaviour. A special high pressure tank has been designed to perform experiments on the effects of hydrostatic pressure upon metallic alloy corrosion and protection in a seawater environment, including mechanical behaviour. The test involved cracking of a CT specimen of a low alloyed hi

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Busba, Ezeddin, and Alberto A. Sagüés. "Critical Localized Corrosion Penetration of Steel Reinforcement for Concrete Cover Cracking." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02747.

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Abstract Corrosion of steel in concrete causes cracking of the concrete cover (C), when the metal loss reaches a critical penetration depth Xcrit. The value of Xcrit is important to formulate reliable models of the corrosion propagation stage. Corrosion of steel in concrete is commonly localized in nature especially in high quality concrete structures. Localized corrosion can occur due to preexisting cracks in cover concrete, concrete joints or defects in steel coatings. It has been shown previously that the value of Xcrit increases as corrosion becomes more localized, but scarce data did not

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Le Manchet, Sandra, Martin Monnot, and Emilie Robin. "Corrosion Resistance of Stainless Steels and Nickel Alloys in Seawater." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16515.

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ABSTRACT The corrosion resistance of metallic materials in natural seawater is arousing more and more interest from engineering companies and Oil & Gas end-users. Indeed, hydrotesting and flooding operations are very often conducted to check the quality of the vessels and piping systems. In this case, seawater may cause pitting corrosion and crevice corrosion. Seawater is a very complex and corrosive environment due to its high amount of chlorides, and to the presence of algae, bacteria and many other components that may lead to the formation of a biofilm on the surface of the steel. In ad

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Shen, Hongwei, Weili Wang, Zhizheng Wang, Lihong Zhang, Xishan Xie, and Shuhong Fu. "The Application of Ni-Base Alloy Nimonic 80A for Buckets of USC Steam Turbine in China." In AM-EPRI 2007, edited by R. Viswanathan, D. Gandy, and K. Coleman. ASM International, 2007. https://doi.org/10.31399/asm.cp.am-epri-2007p0402.

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Abstract Nimonic 80A, a Ni-base superalloy mainly strengthened by Al and Ti to form γ'-Ni3 (Al, Ti) precipitation in Ni-Cr solid solution strengthened austenite matrix, has been used in different industries for more than half century (especially for aero-engine application). In consideration of high strengths and corrosion resistance both Shanghai Turbine Company (STC) has adopted Nimonic 80A as bucket material for ultra-super-critical (USC) turbines with the steam parameters of 600°C, 25MPa. First series of two 1000MW USC steam turbines made by Shanghai Turbine Co. were already put in service

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Sabhapondit, Anupom, Abhijeet Sabnis, Lukman Oduola, and Sinchana Gururaj. "Corrosion Inhibitor Performance: Challenges in Low Temperature Conditions." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00100.

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Abstract Application of corrosion inhibitors as remedy to the corrosion of carbon steel pipelines has been a common practice in the oil and gas industry. Availability and lower life cycle cost of carbon steel and corrosion inhibitor combination over corrosion resistant alloys make such inhibitors the preferred corrosion control option of the users. Many examples of corrosion inhibitors for a wide range of temperatures, acid gas pressures and aqueous phase properties are available in literature. Generally, the higher the application temperature, more challenging for an inhibitor to perform, esp

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Aji, Angga Asteriasti, Ahmad Yusran Aminy, and Fauzan Djamaluddin. "Effects of Adding Passive Mass and Varying Cutting Angles of Carbide Chisels with Cutting Oblique in AISI 1045 Steel Turning." In International Conference on Research in Engineering and Science Technology (IC-REST) 2023. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-r5eofj.

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In the era of the manufacturing industry which is developing very rapidly, a manufactured product must have high product quality, especially machining products such as turning products. AISI 1045 steel is a type of low carbon steel with a carbon content of (0.43% – 0.50%) which is often used on the market because it has many advantages and the price is quite affordable. Vibrations that occur in the turning process cause undesirable effects; such as discomfort, inaccuracies in measurements and non-optimal turning results. Roughness really depends on the type of tool and tool geometry. In this s

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Galetz, Xabier Montero Mathias. "Vanadium Induced Corrosion in the Partial Oxidation (POX) Process." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05734.

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Abstract Vanadates induced or accelerated corrosion is known to occur in fossil energy conversion systems such as direct combustion of coal or especially heavy fuels, oil fired stationary turbines or fluidized bed combustors at rather high oxygen partial pressures. Under such oxidizing conditions, vanadate salts melt at low temperatures (around 600°C) accelerating hot corrosion by fluxing of the protective scales. Vanadates are usually introduced in the systems due to the burning of poor quality fuels. If the fuel is heavily loaded with heavy metals or sulfur, such as oil sands or refinery res

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Rustandi, Andi, Johny W. Soedarsono, and Budi Susilowati A. Soedarsono. "Correlation Efficiency of Sacrificial Anode Al-Zn-In toward Movement of Polarization Curve Using Potentiodynamic Method." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05077.

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Abstract The development of oil and gas exploration in deep water area with the depth of more than 1000 feet (300 m) requires more efficient and reliable protection design to preserve high cost offshore building structure. Cathodic protection system of Aluminum sacrificial anode is assumed to be sufficient to protect offshore structure in deep water area. One of the important parameters in assuring working quality of Al anode is the efficiency of its anode, performance of anode to contribute the maximum protection current in order to protect the structure. This study focusing on the test of ef

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Chandler, G. T., K. A. Dunn, M. R. Louthan, et al. "Corrosion Testing in Support of the Accelerator Production of Tritium Program." In CORROSION 2001. NACE International, 2001. https://doi.org/10.5006/c2001-01144.

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Abstract The Accelerator Production of Tritium Project is part of the United States Department of Energy strategy to meet the nation’s tritium needs. The project involves the design of a proton beam accelerator, which will produce tritium through neutron/proton interaction with helium-3. Design, construction and operation of this one-of-a-kind facility will involve the utilization of a wide variety of materials exposed to unique conditions, including elevated temperature and high-energy mixed-proton and -neutron spectra. A comprehensive materials test program was established by the APT project

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Звіти організацій з теми "Especially high quality steel"

Cristia, Julian P., and Paulo Bastos. Entry and Quality Choices in Child Care Markets. Inter-American Development Bank, 2010. http://dx.doi.org/10.18235/0011186.

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Many developing countries have adopted the market approach for expanding the supply of child care, but little is known about the economic behavior of independent providers. This paper draws on uniquely rich administrative data on child care centers and their inputs from São Paulo to examine the role of local household income in shaping the entry and quality choices of private suppliers. It documents three main facts: (1) entry rates are considerably higher in high-income districts; (2) the quality of provision as measured by teachers¿ schooling, group size and equipment is highly heterogeneous

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Rosero, A., J. García, and J. Morelo. Varietal selection of high beta-carotene cassava genotypes adapted to dry and humid Caribbean Region of Colombia. Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2018. http://dx.doi.org/10.21930/agrosavia.poster.2018.6.

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Cassava (Manihot esculenta Crantz) is a four staple crop for human consume worldwide after rice, wheat and corn. Mainly, it is used as energetic source due high carbohydrate content; however, improvement of its nutritional quality can contribute to food security, especially in vulnerable region as Caribe, where several factors have threaten with nutritional balance in children. In Colombia, close to of children are born with a birth weight of less than 2,500 grams, which is one of the main risk factors for the mortality of newborns. In children less than 5 years old, 43,3% has zinc deficiency,

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Wong, Ka Ying, Sakshi Pandey, Veronica Ern Hui Wee, and KE Seetha Ram. Planning and Capacity Building for High-Speed Rail Development in India: Five Key Lessons. Asian Development Bank Institute, 2023. http://dx.doi.org/10.56506/pgrm7468.

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India’s urbanization rate has increased from 26% in 1991 to 35% in 2021, and it is expected to reach 41% by 2030 (World Bank 2022). In response to this, as the backbone of its growing economy, the country’s infrastructure development, particularly transportation development, has been heavily emphasized. The railway sector will see an investment of $715.41 billion by 2030. Along with a series of supporting government policies, an opportunity to expand the high-speed rail (HSR) network has been presented in India. From the viewpoint of the government, HSR is an effective tool to address the surg

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Huntington, Bethany, Björn Haßler, Christopher Klune, Jennie Lester, Aditi Bhutoria, and Hassan Mansour. Systematic Review with Meta-Analysis: Understanding Quality Characteristics of EdTech Interventions and Implementation for Disadvantaged Pupils. Open Development & Education, Education Endowment Foundation, 2025. https://doi.org/10.53832/opendeved.1170.

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This report presents the findings of a comprehensive systematic review and meta-analysis commissioned by the Education Endowment Foundation (EEF) to identify how educational technology (EdTech) interventions impact pupil attainment, particularly for disadvantaged learners. The study addresses a critical need for clarity amidst growing EdTech usage and mixed evidence on effectiveness, especially following increased reliance on digital learning during and after the Covid-19 pandemic. The research was conducted in three sequential phases. Phase 1 involved stakeholder engagement with educators and

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Weiss, Charles, William McGinley, Bradford Songer, Madeline Kuchinski, and Frank Kuchinski. Performance of active porcelain enamel coated fibers for fiber-reinforced concrete : the performance of active porcelain enamel coatings for fiber-reinforced concrete and fiber tests at the University of Louisville. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40683.

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A patented active porcelain enamel coating improves both the bond between the concrete and steel reinforcement as well as its corrosion resistance. A Small Business Innovation Research (SBIR) program to develop a commercial method for production of porcelain-coated fibers was developed in 2015. Market potential of this technology with its steel/concrete bond improvements and corrosion protection suggests that it can compete with other fiber reinforcing systems, with improvements in performance, durability, and cost, especially as compared to smooth fibers incorporated into concrete slabs and b

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OLUWASANYA, Grace, Ayodetimi OMONIYI, Duminda PERERA, Manzoor QADIR, and Kaveh MADANI. Unmasking the Unseen: The Gendered Impacts of Water Quality, Sanitation and Hygiene. United Nations University Institute for Water, Environment and Health (UNU INWEH), 2024. http://dx.doi.org/10.53328/inr24gar011.

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This report investigated the interplay between water quality, sanitation, hygiene and gender by examining distinct variables of water quality and their varying impacts on gender like reported water-related illnesses of males and females, and the consequences of water quality, sanitation, and hygiene on menstrual hygiene practices, particularly focusing on a low- and middle-income country- LMICs. This report presents the key findings, outlining a framework and guidance for examining gender-specific impacts stemming from poor water quality and WASH practices through a piloted case study in Abeok

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Valencia, Oscar M., Jose E. Gomez-Gonzalez, and Gustavo A. Sánchez. Debt Affordability in Developed and Emerging Market Economies: The Role of Fiscal Rules. Inter-American Development Bank, 2022. http://dx.doi.org/10.18235/0004267.

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This paper studies the effect of fiscal rules on debt affordability in a large set of developed and emerging market economies, using a panel data model which allows the inclusion of weakly exogenous regressors, and which deals appropriately with cross-sectional dependence. The results show a positive and significant effect of fiscal rule implementation on public debt affordability which is robust to various model specifications. The effect is stronger for emerging market economies which benefit from the implementation of any fiscal rule. In contrast, developed countries benefit only from high-

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Albert, Jose Ramon, Lovelaine Basillote, Jason Alinsunurin, Jana Flor Vizmanos, Mika Muñoz, and Angelo Hernandez. Sustainable Development Goal 4 on Quality Education for All: How Does the Philippines Fare and What Needs to Be Done? Philippine Institute for Development Studies, 2023. http://dx.doi.org/10.62986/dp2023.16.

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The Global Goal of ensuring inclusive and equitable quality education and promoting lifelong learning opportunities for all promotes equality in access to quality learning, supports economic development, improves health outcomes, empowers women and girls, and fosters global citizenship and peace. By reducing inequities in education, both in terms of access and quality, we can help to build a more equitable, prosperous, and sustainable world. This study provides a detailed examination of the progress of the Philippines in achieving Sustainable Development Goal 4 (SDG4) on quality education and

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Ly, Lena, Jennifer Philip, Peter Hudson, and Natasha Smallwood. Singing for people with advance chronic respiratory diseases: a qualitative meta-synthesis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.8.0017.

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Review question / Objective: This study undertook a meta-synthesis of qualitative data with the aim of collating, synthesizing, and evaluating the current evidence regarding the experiences of singing for people with advanced chronic respiratory disease. Condition being studied: Advanced respiratory illnesses are disorders that impact the airways and other structures of the lung. People with lung cancer, chronic obstructive pulmonary disease (COPD) and interstitial lung disease (ILD) frequently experience progressive, frightening breathlessness, cough and fatigue, which affect their quality of

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Cahaner, Avigdor, Sacit F. Bilgili, Orna Halevy, Roger J. Lien, and Kellye S. Joiner. effects of enhanced hypertrophy, reduced oxygen supply and heat load on breast meat yield and quality in broilers. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7699855.bard.

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Original objectivesThe objectives of this project were to evaluate the growth performance, meat yield and quality attributes of broiler strains widely differing in their genetic potential under normal temperature vs. warm temperature (short and long-term) conditions. Strain differences in breast muscle accretion rate, metabolic responses under heat load and, gross and histopathological changes in breast muscle under thermal load was also to be characterized. BackgroundTremendous genetic progress has been made in broiler chicken growth rate and meat yield since the 1950s. Higher growth rate is

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