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Добірка наукової літератури з теми "Iron and steel Testing"

Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 29 січня 2023

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Статті в журналах з теми "Iron and steel Testing"

Sabiniak, Henryk G. "Testing worm gears with cooperating elements made of different materials." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 231, no. 3 (August 5, 2016): 341–46. http://dx.doi.org/10.1177/1350650116656982.

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The author tested the efficiency, load-carrying capacity, and the type of friction in a meshing of a worm gear having the same parameters as worms made of carburized and quenched steel and worm-wheels made of steel, cast iron, and bronze. The type of friction was identified in case of worm gears with steel and cast iron worm-wheel at a volume temperature of the worm-wheel of 100 ℃; these gears did not demonstrate the tendency to seizure. The value of resistance of an oil film formed between the worm and the worm-wheel was accepted as the criterion of the existing type of friction in the meshing during mating of these two elements. The resistance of the oil film in the worm meshing was measured twice each time for two directions of the passage of electric current to avoid the effect of possibly occurring polarization phenomenon. Obtained values were averaged. During the course of the experiments, the image of friction was observed on the screen of an oscilloscope. Obtained values of the oil film resistance prove the low participation of fluid friction in the worm meshing with the worm-wheel made of steel as well as of cast iron. In case of the gear with the steel worm-wheel, the decrease of resistance in comparison with the bronze worm-wheel amounted to approximately 10 times and that of cast iron to almost 100 times. On the basis of the tests one can state that the application of steel worm-wheels and in particularly cast iron worm wheels makes it difficult for the fluid friction to occur while the application of a traditional material mating pair (a steel worm–a bronze worm-wheel) forms conditions for the occurrence of a mixed friction with a very high (approximately 99%) participation of fluid friction.

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Medvedovski, Eugene, Gerardo Leal Mendoza, and Giovanny Vargas. "Influence of Boronizing on Steel Performance under Erosion-Abrasion-Corrosion Conditions Simulating Downhole Oil Production." Corrosion and Materials Degradation 2, no. 2 (June 5, 2021): 293–324. http://dx.doi.org/10.3390/cmd2020016.

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Downhole heavy oil production and oil sand processing are associated with severe damage and failures of production equipment components, e.g., production tubing and pumping systems, due to erosion-corrosion resulting in processing losses, production downtime, high maintenance and replacement cost. Protective coatings (layers) on the production components mostly fabricated from low-alloy steels can be applied to minimize these problems. In the present work, the performance of hard boronized coating on carbon steel obtained through the thermal diffusion process and consisted of two iron boride layers (FeB and Fe2B) was studied in synergistic erosion-abrasion-corrosion conditions simulating oil production environment in comparison with bare steel. Special wear testing equipment was designed and fabricated. In this testing, the inner surface of tubular sections was subjected to high velocity erosive flows of water-oil slurries containing silica sand and salts combined with rotating and oscillating motions of steel pony rods. Structural examination of the studied materials’ surfaces and their profilometry after wear testing were conducted. The iron boride coating demonstrated significantly higher performance in abrasion and erosion-abrasion-corrosion conditions compared to bare carbon steel due to its high hardness, high chemical inertness, dual-layer architecture and diffusion-induced bonding with the substrate. The boronized steel tubing and casing with inner surface protection can be effectively employed in the most critical operation conditions.

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Pertek-Owsianna, Aleksandra, Karolina Wiśniewska-Mleczko, Dominika Panfil, and Aneta Bartkowska. "TESTING THE STRUCTURE AND PROPERTIES OF STEELS AFTER HARDFACING AND LASER TREATMENT." Tribologia 284, no. 2 (April 30, 2019): 97–104. http://dx.doi.org/10.5604/01.3001.0013.4154.

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This paper analyses the structure, hardness, and frictional wear resistance of surface layers formed on steels after hardfacing by means of the SSA arc method with self-shielded flux cored welding wire, with a content of carbon 5% and chromium 30% as well as boron alloying with the CO2 laser. S355J2 steel after being hardfaced with one up to three layers is characterized by the martensitic structure with chromium carbides and its surface hardness is 50–55HRC. In the weld deposit zone, with a thickness of up to approx. 2 mm, there is a constant distribution of hardness with the average value of 700 HV0.1, and then the hardness decreases to approx. 160 HV0.1 in the steel substrate. After hardfacing, the carbon content in S355J2 steel (0.23% wt.) increases to a similar content as in steel C90U in the initial state (0.96% wt.). After laser alloying with boron and after rapid cooling, C90U steel obtains distinctive paths with a zone structure and thickness reaching up to approx. 380 μm. In the remelted zone, there is a eutectic structure consisting of a mixture of iron borides and martensite with a hardness of approx. 1200–1800 HV0.1, and beneath it, there is heat affected zone with a martensitic-bainite structure with a hardness of approx. 700HV0.1. Hardfacing and laser heat treatment significantly decrease the frictional wear of the tested steels.

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Liu, Pei Yue, Jun Fen Wang, and Bao Qiu Ma. "Application of Wavelet Analysis in Nondestructive Testing of Steel and Iron Materials and DSP Implementation." Applied Mechanics and Materials 321-324 (June 2013): 1270–73. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.1270.

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Aiming at improving the unideal testing result by means of analog signal processing, wavelet analysis is introduced in the nondestructive testing of steel and iron materials, based on the characteristics of electromagnetic nondestructive testing signal. According to the requirement of wavelet algorithm for hardware, the advantages of DSP, digital signal processing function and high calculating speed, design scheme of the steel electromagnetic nondestructive testing device is proposed in this paper. Experiments show that this method can extract detection signal effectively.

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Danilov, V. N., and L. V. Voronkova. "SOME FEATURES OF ULTRASONIC TESTING OF CAST IRON OBJECTS WITH FLAKE AND GLOBULAR GRAPHITE USING NORMAL LINEAR PROBES WITH PHASED ARRAYS." Kontrol'. Diagnostika, no. 261 (March 2020): 4–19. http://dx.doi.org/10.14489/td.2020.03.pp.004-019.

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Computer modelling of the acoustic characteristics of signals of direct normal probe with phased array (PFR) in the cast iron with flake and globular graphite was performed. As a result the form of acoustic pulses of a longitudinal wave, depending on the passed by wave distance and the values of attenuation coefficient for different models of cast iron was calculated. The main modeled characteristics of the probe include the directivity characteristic and the change in the amplitude of the signal along the acoustic axis. It is shown that the difference in the PFR directivity characteristics for cast iron with flake graphite of different models and steel is due to two factors – significantly lower longitudinal wave velocities in cast iron compared to steel and a decrease in its operating frequency due to attenuation. In this case, for cast iron with globular graphite, a small change in the width of the diagrams is due only to the lower speed of longitudinal waves in cast iron compared to steel. For cast iron with flake graphite model 3, the phenomenon of nonlinear attenuation due to a decrease in the frequency of the maximum of the signal spectrum during the propagation of a longitudinal wave in cast iron with a corresponding decrease in the frequency – dependent attenuation coefficient is established. Evaluation of the nonlinearity of attenuation for cast iron with globular graphite showed that it is very small. The influence of calculation of initial signal delays on the velocity of longitudinal waves in steel on the directivity characteristics in cast iron, decreasing with increasing focus distance, is established. It is shown that for cast iron with flake graphite there are cases when the direction of transmitting of PFR in cast iron is practically absent.

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D’Ans, Pierre, and Marc Degrez. "Sliding Wear Behavior of Friction Couples Primarily Selected for Corrosion Resistance: Iron Boride/Iron Boride and Iron Boride/Yttria-Stabilized Zirconia." Metals 8, no. 12 (December 16, 2018): 1071. http://dx.doi.org/10.3390/met8121071.

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Wear mitigation in a sliding couple is challenging if wear has to be minimized on both surfaces. In this paper, ball-on-disk testing is performed on sliding couples where both surfaces (ball and disk) are treated for wear resistance. Studied materials are pack borided H13 tool steel (ASTM A681), pack borided AISI 420 stainless steel (ASTM A276) and plasma sprayed yttria-stabilized zirconia (YSZ). Borided H13 steel exhibits a single phase Fe2B layer, while AISI 420 has a double phase layer, with FeB on the outer surface. Both FeB/Fe2B and FeB/YSZ couples generate three-body abrasion. In the latter case, mass transfer occurs from the ball to the disk as well. Friction coefficient is ~0.6 for the AISI 420/Fe2B and FeB/Fe2B sliding pairs, with less vibration on the latter and wear rates close to 10−3 mm³·(N·m)−1 for both the ball and the disk. In comparison, the FeB/YSZ pair has a friction coefficient of ~0.65, a similar total mass loss, but a much higher wear rate for YSZ than for FeB.

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Danilov, V. N., and L. V. Voronkova. "ON THE INFLUENCE OF THE PARAMETERS OF GLOBULAR GRAPHITE INCLUSIONS ON THE ACOUSTIC CHARACTERISTICS OF CAST IRON AND ULTRASONIC LONGITUDINAL WAVE SIGNALS." Kontrol'. Diagnostika, no. 285 (March 2022): 4–16. http://dx.doi.org/10.14489/td.2022.03.pp.004-016.

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Based on analytical models, the dependence of the velocity and attenuation coefficient of the longitudinal ultrasonic wave in cast iron with globular graphite on the average size of graphite elements and its volume content is shown. Computer modeling of acoustic paths for a medium – cast iron with globular graphite for standard normal probes was carried out to assess the influence of such a medium on the characteristics of the transmitted and recorded signals during ultrasonic testing. Calculations of directivity characteristic of probes with normalization of each directivity characteristic to its maximum for steel and cast iron with globular graphite, a slight change in the width of the directivity characteristics due to the lower velocity of longitudinal waves in cast iron compared to steel. It is established that the amplitude of the bottom signal in cast iron with globular graphite can exceed its values for structural steel. Evaluation of the nonlinearity of attenuation for cast iron with globular graphite showed that it is very small. The features of DGS-diagrams for cast iron with globular graphite are noted, associated with higher attenuation of longitudinal waves than in steel, as well as with lower velocities of their propagation.

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Myszka, D., and A. Wieczorek. "An Assessment of the Applicability of Austempered Ductile Iron Containing Mo and Ni for Mining Machines Parts." Archives of Metallurgy and Materials 58, no. 3 (September 1, 2013): 953–56. http://dx.doi.org/10.2478/amm-2013-0108.

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Abstract The research described in this article is a fragment in the series of published works trying to determine the applicability of new materials for parts of the mining machinery. Tests were carried out on the - very popular in mining applications - 36HMN steel and three types of the austempered ductile iron, using special stand for the controlled abrasion testing of samples subjected to the effect of loose abrasive. Tests carried out with the use of corundum showed the competitive properties of cast iron as compared with the examined steel. Microscopic evaluation, hardness measurements and magnetic tests showed that the surface layer of austempered ductile iron undergoes a strong work hardening, resulting in abrasion wear indices superior to those of the steel for heavy-duty use.

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Jihan Shofa, Mohamad, and Hadi Gunawan. "Implementasi Six Sigma untuk Perbaikan Produk Nickel Pig Iron." Jurnal Sistem dan Manajemen Industri 1, no. 1 (August 5, 2017): 29. http://dx.doi.org/10.30656/jsmi.v1i1.171.

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PT. INF is a steel mining company. It produce such as nickel pig iron. Nickel pig iron used raw materials stainless steel factory, nickel and steel mill rolls. The number of defective products for nickel pig iron in a few months getting on upward trend. This research will analyze the cause of the increasing defect product by using Six Sigma methode. Furthermore, the proposed improvement is done by using the failure mode and effect analysis (FMEA) approach. The results shows the main problems are the higher value of Silica (Si) and phospor (P), the sigma level is obtained from the annual pig iron making process in 1.6 sigma, process improvement need to be done are monitoring and scheduling of burnlime powder orders, checking new materials by testing the formula against new materials, and making a repair schedule as well as focusing on changes in pressure on the monitor screen

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Olei, Adrian, Sorin Savu, and Iulian Stefan. "The Tribological Behavior of some Steel Samples Prepared by Powder Metallurgy Sintered in Microwave Field." Advanced Engineering Forum 13 (June 2015): 114–17. http://dx.doi.org/10.4028/www.scientific.net/aef.13.114.

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The objective of this research is to observe the influence of the sintering temperature on the wear testing for some steel samples elaborated by powder metallurgy technology. For obtaining the steels there were used iron powders and graphite powders. The powders were homogenized in a high energy ball mill Pulverisette 6, cold compacted and then sintered using a Muegge type microwave heating installation. The influence of the sintering technique on the samples’ wear behavior is studied using both a tribometer and a profilometer.

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Дисертації з теми "Iron and steel Testing"

Alsaket, Yahya. "Benchmark solutions for advanced analysis of steel frames." Thesis, Queensland University of Technology, 1999. https://eprints.qut.edu.au/36105/1/36105_Alsaket_1999.pdf.

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During the past ten years, considerable research has been conducted with the aim of developing, implementing and verifying "advanced analysis" techniques suitable for the non-linear analysis and design of steel framed structures. With the use of one of these methods, the simplified concentrated methods, comprehensive assessment of the actual failure modes and ultimate strengths of framing systems is now possible in practical design situations, without resort to conventional elastic methods of analysis and semiempirical specification equations. This research has the potential to extend the creativity of the structural engineer and simplify the design process, while ensuring greater economy and more uniform safety in certain design situations. However, the application of concentrated plasticity methods is currently restricted to two dimensional steel frame structures that are fully laterally restrained and constructed from compact sections (i.e. sections not subject to local and/or lateral buckling effects). Unfortunately this precludes the use of advanced analysis from the design of frames consisting of cold-formed sections and a significant proportion of hot-rolled universal beam sections. Therefore research is currently under way to develop concentrated plasticity methods of analysis for steel frame structures subject to local and/or lateral buckling effects. This thesis was aimed at developing appropriate benchmark solutions that are needed to validate these simplified methods of analysis. Finite element analyses and five large scale experiments were conducted in order to study the ultimate strength behaviour of two-dimensional single bay single storey steel frames subjected to local and/or lateral buckling effects. The frames comprised of cold-formed rectangular hollow sections and hot-rolled I-sections. A good agreement between the results from finite element analyses and experiments validated the accuracy of the finite element model used. The finite element model was then used to develop benchmark solutions for two-dimensional single storey, single bay steel frames comprising cold-formed rectangular hollow sections and hot-rolled I-sections subjected to local and/or lateral buckling effects. This thesis presents the details of finite element analyses and large scale experiments and their results, and a series of analytical benchmark solutions that can be used for the verification of simplified concentrated plasticity methods of analysis.

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Oesch, Everett Ralph. "Strength and performance field testing of hybrid HPS bridge A6101 /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1418053.

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Chen, Ju, and 陳駒. "Behaviour of high strength steel columns at elevated temperatures." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B37936554.

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Chen, Yujie. "Nominal Shear Strength and Seismic Detailing of Cold-formed Steel Shear Walls using Steel Sheet Sheathing." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc30444/.

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In this research, monotonic and cyclic tests on cold-formed steel shear walls sheathed with steel sheets on one side were conducted to (1) verify the published nominal shear strength for 18-mil and 27-mil steel sheets; and (2) investigate the behavior of 6-ft. wide shear walls with multiple steel sheets. In objective 1: this research confirms the discrepancy existed in the published nominal strength of 27-mil sheets discovered by the previous project and verified the published nominal strength of 18 mil sheet for the wind design in AISI S213. The project also finds disagreement on the nominal strength of 18-mil sheets for seismic design, which is 29.0% higher than the published values. The research investigated 6-ft. wide shear wall with four framing and sheathing configurations. Configuration C, which used detailing, could provide the highest shear strength, compared to Configurations A and B. Meanwhile, the shear strength and stiffness of 2-ft. wide and 4-ft. wide wall can be improved by using the seismic detailing.

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Hartnagel, Bryan A. "Inelastic design and experimental testing of compact and noncompact steel girder bridges /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841147.

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Hedric, Andrew C. "Dynamic Behaviors of Historical Wrought Iron Truss Bridges – a Field Testing Case Study." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc822751/.

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Civil infrastructure throughout the world serves as main arteries for commerce and transportation, commonly forming the backbone of many societies. Bridges have been and remain a crucial part of the success of these civil networks. However, the crucial elements have been built over centuries and have been subject to generations of use. Many current bridges have outlived their intended service life or have been retrofitted to carry additional loads over their original design. A large number of these historic bridges are still in everyday use and their condition needs to be monitored for public safety. Transportation infrastructure authorities have implemented various inspection and management programs throughout the world, mainly visual inspections. However, careful visual inspections can provide valuable information but it has limitations in that it provides no actual stress-strain information to determine structural soundness. Structural Health Monitoring (SHM) has been a growing area of research as officials need to asses and triage the aging infrastructure with methods that provide measurable response information to determine the health of the structure. A rapid improvement in technology has allowed researchers to start using new sensors and algorithms to understand the structural parameters of tested structures due to known and unknown loading scenarios. One of the most promising methods involves the use of wireless sensor nodes to measure structural responses to loads in real time. The structural responses can be processed to help understand the modal parameters, determine the health of the structure, and potentially identify damage. For example, modal parameters of structures are typically used when designing the lateral system of a structure. A better understanding of these parameters can lead to better and more efficient designs. Usually engineers rely on a finite element analysis to identify these parameters. By observing the actual parameters displayed during field testing, the theoretical FE models can be validated for accuracy. This paper will present the field testing of a historic wrought iron truss bridge, in a case study, to establish a repeatable procedure to be used as reference for the testing of other similar structures.

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Jiao, Hui 1963. "The behaviour of very high strength (VHS) members and welded connections." Monash University, Dept. of Civil Engineering, 2003. http://arrow.monash.edu.au/hdl/1959.1/9417.

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Carballo, Manuel. "Strength of z-purlin supported standing seam roof systems under gravity loading." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/45952.

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The objective of the Standing Seam Roof Systems Research Project at the Virginia Polytechnic Institute and State University is to develop a design procedure for the strength of Z-purlin supported standing seam roof systems under gravity leading. Various approaches were taken to calculate the strength of systems with either torsional restraint, third point span restraint, or midspan restraint. Since few test results are available for single and three span continuous, two purlin line systems, the primary focus of this research is analytical. Even though the test setup used for these tests does not represent actual field conditions, the data obtained will be extremely useful in the development of analytical models to predict system strength. However, at least four multiple purlin line tests will be required to verify the accuracy of the design procedure. The analytical formulation will include the effects of sliding friction in the clips and "drape" restraint effects of the standing seam deck.

Master of Science

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Vora, Hitesh. "Shear Wall Tests and Finite Element Analysis of Cold-Formed Steel Structural Members." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc9726/.

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The research was focused on the three major structural elements of a typical cold-formed steel building - shear wall, floor joist, and column. Part 1 of the thesis explored wider options in the steel sheet sheathing for shear walls. An experimental research was conducted on 0.030 in and 0.033 in. (2:1 and 4:1 aspect ratios) and 0.027 in. (2:1 aspect ratio) steel sheet shear walls and the results provided nominal shear strengths for the American Iron and Steel Institute Lateral Design Standard. Part 2 of this thesis optimized the web hole profile for a new generation C-joist, and the web crippling strength was analyzed by finite element analysis. The results indicated an average 43% increase of web crippling strength for the new C-joist compared to the normal C-joist without web hole. To improve the structural efficiency of a cold-formed steel column, a new generation sigma (NGS) shaped column section was developed in Part 3 of this thesis. The geometry of NGS was optimized by the elastic and inelastic analysis using finite strip and finite element analysis. The results showed an average increment in axial compression strength for a single NGS section over a C-section was 117% for a 2 ft. long section and 135% for an 8 ft. long section; and for a double NGS section over a C-section was 75% for a 2 ft. long section and 103% for an 8 ft. long section.

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Kahle, Matthew Gilbert. "Partially restrained composite connections : design and analysis of a prototype structure." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/20830.

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Книги з теми "Iron and steel Testing"

Hag-Elsafi, Osman. Load testing for bridge rating: Route 32 over Plattekill Creek. Albany, N.Y: Transportation Research and Development Bureau, New York State Dept. of Transportation, 2006.

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Moses, F. Fatigue evaluation procedures for steel bridges. Washington, D.C: Transportation Research Board, National Research Council, 1987.

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Crosley, P. B. Acceptance criteria for steel bridge welds. Washington, D.C: Transportation Research Board, National Research Council, 1990.

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Eremeev, P. G. Prostranstvennye tonkolistovye metallicheskie konstrukt︠s︡ii pokrytiĭ. Moskva: Assot︠s︡iat︠s︡ii︠a︡ stroitelʹnykh vuzov, 2006.

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Doboku Kenkyūjo (Japan). Kōzōbutsu Mentenansu Kenkyū Sentā. Kyōryō Kōzō Kenkyū Gurūpu. Kōshōban dekkipurēto shinten kiretsu no chōsa no tame no chōonpa tanshō manyuaru (an). Tsukuba-shi: Doboku Kenkyūjo, 2009.

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Tilley, Matthew R. Dynamic analysis and testing of a curved girder bridge. Charlottesville, Va: Virginia Transportation Research Council, 2006.

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IABSE Workshop (1990 Lausanne, Switzerland). IABSE Workshop, Lausanne, 1990: Remaining fatigue life of steel structures : report. Zürich, Switzerland: International Association for Bridge and Structural Engineering, 1990.

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Brophy, Joseph W. Automated imaging system for bridge inspection. [Washington, DC]: U.S. Dept. of Transportation, Federal Highway Administration, 1988.

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Škaloud, Miroslav. Experimental research on the limit state of the plate elements of steel bridges. Praha: Academia nakl. Československé akademie věd, 1985.

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W, Nichols R., Crutzen S, Programme for the Inspection of Steel Components., Commission of the European Communities. Joint Research Centre. Ispra Establishment., OECD Nuclear Energy Agency, and PISC Symposium (1986 : Varese, Italy), eds. Ultrasonic inspection of heavy section steel components: The PISC II final report. London: Elsevier Applied Science, 1988.

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Частини книг з теми "Iron and steel Testing"

John, Vernon. "Iron and Steel." In Introduction to Engineering Materials, 221–48. London: Palgrave Macmillan UK, 1992. http://dx.doi.org/10.1007/978-1-349-21976-6_16.

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John, V. B. "Iron and Steel." In Engineering Materials, 106–30. London: Macmillan Education UK, 1990. http://dx.doi.org/10.1007/978-1-349-10185-6_6.

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Zarach, Stephanie. "Iron and Steel." In Debrett’s Bibliography of Business History, 143–50. London: Palgrave Macmillan UK, 1987. http://dx.doi.org/10.1007/978-1-349-08984-0_32.

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Hummel, Rolf E. "Iron and Steel." In Understanding Materials Science, 138–50. New York, NY: Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4757-2972-6_8.

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Zarach, Stephanie. "Iron and Steel." In British Business History, 167–76. London: Palgrave Macmillan UK, 1994. http://dx.doi.org/10.1007/978-1-349-13185-3_31.

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Bolton, William, and R. A. Higgins. "Iron and steel." In Materials for Engineers and Technicians, 139–54. Seventh edition. | Abingdon, Oxon ; New York, NY : Routledge, 2021.: Routledge, 2020. http://dx.doi.org/10.1201/9781003082446-11.

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Elflein, Dietmar. "Iron and Steel." In Global Metal Music and Culture, 35–49. New York: Routledge, 2016. http://dx.doi.org/10.4324/9781315742816-4.

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Shatto, Susan. "Steel and Iron." In The Companion to ‘Bleak House’, 293. London: Routledge, 2021. http://dx.doi.org/10.4324/9781003196051-63.

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Soutsos, Marios, and Peter Domone. "Iron and steel." In Construction Materials, 111–24. Fifth edition. | Boca Raton : CRC Press, [2017]: CRC Press, 2017. http://dx.doi.org/10.1201/9781315164595-13.

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Wallis, Geoff, and Michael Bussell. "Cast Iron, Wrought Iron and Steel." In Materials & Skills for Historic Building Conservation, 123–59. Oxford, UK: Blackwell Publishing Ltd, 2008. http://dx.doi.org/10.1002/9780470697696.ch7.

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Тези доповідей конференцій з теми "Iron and steel Testing"

Muthuswami, H. "Next-Generation Eddy Current Testing With Expandable and Configurable Instruments and Multi-Segment Sensors." In AISTech 2022 Proceedings of the Iron and Steel Technology Conference. AIST, 2022. http://dx.doi.org/10.33313/386/159.

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Athavale, V., L. Bartlett, M. Buchely, S. Chakraborty, D. Field, K. Kiser, S. Lekakh, K. Limmer, R. O'Malley, and K. Sebeck. "Evaluating the Onset of Hot Tearing in High-Strength and Lightweight Steels Using Controlled Deformation Testing." In AISTech 2022 Proceedings of the Iron and Steel Technology Conference. AIST, 2022. http://dx.doi.org/10.33313/386/079.

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Yao, Ningjuan, Zhijun Yang, Jiwen Chen, and Haizhou Wang. "A low-cost laser-induced breakdown spectrometer for multielements analysis of solid iron and steel samples." In 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies, edited by Xun Hou, Jiahu Yuan, James C. Wyant, Hexin Wang, and Sen Han. SPIE, 2006. http://dx.doi.org/10.1117/12.676521.

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Jhala, R. L., and S. S. Khandare. "Comparative Study on Evaluating Fatigue Performance of Forged Steel Versus Different Material Automotive Component." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-39908.

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The overall objective of this paper is to compare and evaluate the fatigue performance of two competing manufacturing technologies for automotive component, namely forged steel and cast iron steering knuckle. The paper details the different experimental evaluation, mechanical properties and performance of two materials and components, their results for the steering Knuckle. Fatigue is the primary cause of failure of component due to the cyclic loading and presence of stress concentrations at the fillets and critical areas. The steering knuckle consisted of mainly sections namely spindle, strut mounting holes and hub mounting attachments. The masses of both steering knuckle were similar with the forged steel at 4.8 kg and the cast iron at 4.5 kgs. Also, the failure location of the steering knuckle used in this study was in the first step and second step fillet, which agrees with the typical failure location for an automotive steering knuckle. The paper concludes that the crack growth life for both steering knuckle was a significant portion of the fatigue life during the steering knuckle testing. The crack growth rate of the forged steel steering knuckle was slower than the cast iron steering knuckle. During steering knuckle fatigue tests, circumferential cracks developed in the first step and second step fillet of both forged steel and cast iron steering knuckles which was identified as the critical location from FEA.

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Tutak, J. "The Clean Air Act and Its Requirements for Environmental Air Sampling (“Stack Testing”) for the Iron and Steel Industry." In AISTech 2020. AIST, 2020. http://dx.doi.org/10.33313/380/012.

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Bouzas, Óscar, Borja Conde, Manuel Cabaleiro, Brais Barros, Belén Riveiro, and Nicolás Riego. "Reliability-based structural assessment of a historical steel railway bridge." In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.1839.

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<p>In this paper, a simplified probabilistic analysis approach is presented. The Barqueiro Bridge, a four- span riveted iron bridge located in Galicia, Spain, is selected as a case study. This bridge is placed in an environment with high humidity and salinity which could potentially induce severe damages to the structure. These damages introduce considerable uncertainty in the structural parameters that should be used in reliability-based assessment procedures for verifying current safety conditions. To alleviate this issue, non-destructive experimental testing is used which also helps during numerical modeling. Model uncertain parameters are described through adequate probability distributions and then grouped by using two different strategies; based on structural element type and on stress level. According to this strategy, the limit state of interest is analyzed to verify the probability of failure and the reliability index of the structure.</p>

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Lugbauer, M., E. Badisch, and A. Kröll. "Wear Behaviour and Performance of a Cost-Effective Iron-Based, Carbide-Reinforced, Sintered Coating." In ITSC2010, edited by B. R. Marple, A. Agarwal, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. DVS Media GmbH, 2010. http://dx.doi.org/10.31399/asm.cp.itsc2010p0010.

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Abstract In every industry wear plates and parts are demanded in heavy duty standards at cost effectiveness and environmental friendliness. For that reasons a new kind of coating technology was developed, and first applied on parts for agricultural machinery for getting results from the field. Simultaneously lab tests were done to compare the wear behaviour and performance of these sintered iron-based coatings with mainly chromium-carbides and borides in it, with other well known wear-resistant coatings like hard chrome, thermal sprayed coatings (Ni-matrix/WC), PTA welded coatings (Ni-matrix/WC, high speed steel) and processed steel like Hardox. Wear tests were performed under 3-body-abrasion as well as combined impact/abrasion conditions, respectively. Dry-sand rubber-wheel procedure according ASTM G65 was used to investigate low stress abrasion, whereas for high stress abrasion investigations a steel wheel was used. A special designed impeller-tumbler apparatus was used for combined impact and abrasion wear tests. Analysis after testing was done quantitatively by gravimetric mass loss, and qualitatively using SEM microscopy (edge stability, wear mechanisms). The ambition of this investigation is to secure the wear performance of the sintered iron-based coating at low production costs compared to well known anti-wear solutions applied in wear intensive industries.

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Ellouz, Manel, Eva Kasparek, and Holger Völzke. "BAM Challenges for Design Testing of Waste Containers for the Final Repository KONRAD." In ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icem2013-96258.

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Up to the end of this decade, corresponding to the planned date of starting operation in the final disposal KONRAD for non-heat generating waste in Germany, a lot of efforts are needed to condition and package the radioactive waste in containers certified by BfS (Federal Institute for Radiation Protection). This waste is produced by public sector and industry as well as nuclear energy facilities, which result in more than a half of the actually declared quantity growing especially after the phase out decision of nuclear power production in Germany and the subsequent decommissioning of nuclear power plants. BAM (Federal Institute for Materials Research and Testing) acts as responsible authority on behalf of BfS for design testing under consideration of the KONRAD requirements. Within the assessment procedure of containers, BAM has to verify the application documents, including material qualification, container geometry, corrosion protection, leakage rate and operational and accidental loading, and to evaluate quality assurance measures. Besides the previous completed approvals for various containers such as steel sheet and cast iron box-shaped containers and concrete cylindrical ones, BAM is actually carrying assessments for other types such as cast iron cylindrical containers and “old” steel sheet box shaped ones. The so called “old” containers present already loaded containers without any KONRAD certification, currently stored at licensed interim storages. In the benefit of the container assessment, BAM operates design testing facilities for drop and fire tests which are also used for research objectives to improve and expand the evaluation methods such as research project ConDrop. The latter deals with numerical simulations and analyses tools for further precise predictions about unfavorable drop test scenarios, safety margins, and design sensitivities for steel sheet containers. Furthermore, during the assessment procedure, several specifications about the containers, the inventory to be disposed and the required safety level have been intensely debated by authorities and applicants. Based on its experience in qualifying containers, BAM has been commissioned to identify insufficiently specified aspects in the waste acceptance criteria and to propose clearer definitions with regard to the secondary regulations in the planning approval notice. This paper focuses on aspects of the contribution of BAM in certifying KONRAD waste containers. This will include the current state of design testing procedures, evaluation methods that are available or are being developed and the main topics within the KONRAD requirements being actually specified by BAM.

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Wei, Shizhong, Jinhua Zhu, Liujie Xu, and Rui Long. "The Study on Abrasive Wear of Carbon of High Vanadium High Speed Steel Compared With That of High Chromium Cast Iron." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63590.

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It is studied the carbons abrasive wear property of high vanadium high speed steel compared with that of general high chromium cast iron (Cr20) in this paper. The vanadium content is 10% in the high vanadium high speed steel, and it is a kind of new wear material that has been studied in the past ten years. In the experiment the three materials were used to resist the abrasive wear of Al2O3, the wear test was conducted on a ML-10 abrasive wear-testing machine. The abrasive surfaces, cross-section and sloping -section surfaces were scanned by means of a SEM (JSM-5160LV) device. The typical morphology photos of VC and Cr7C3 were taken in course of abrasive wear, which not only describe the different abrasive wear property of the carbons in the two materials, but also make the cause of the excellent wear property of this HSS clear. The research results have showed that the service lives (V10) are three times longer than that of high chromium cast iron (Cr20). The excellent wear resistance of high vanadium high-speed steel depends on the characters of high hardness, lumpy morphology of VC which are scattered in hard matrix of HSS.

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Звіти організацій з теми "Iron and steel Testing"

none,. Iron and Steel Footprint, December 2010 (MECS 2006). Office of Scientific and Technical Information (OSTI), June 2010. http://dx.doi.org/10.2172/1218672.

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Bowman, Mark, and Amy Piskorowski. Evaluation and Repair of Wrought Iron and Steel Structures in Indiana. West Lafayette, IN: Purdue University, 2004. http://dx.doi.org/10.5703/1288284313207.

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Schumacher, Katja, and Jayant Sathaye. India's iron and steel industry: Productivity, energy efficiency and carbon emissions. Office of Scientific and Technical Information (OSTI), October 1998. http://dx.doi.org/10.2172/753016.

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Dooley, J. B. Cryogenic testing of fluoropolymer-coated stainless steel tubing. Office of Scientific and Technical Information (OSTI), November 1989. http://dx.doi.org/10.2172/7150572.

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lister, tedd e., and Ronald E. Mizia. Electrochemical Corrosion Testing of Borated Stainless Steel Alloys. Office of Scientific and Technical Information (OSTI), May 2007. http://dx.doi.org/10.2172/912469.

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lister, tedd e., and Ronald E. Mizia. Electrochemical Corrosion Testing of Borated Stainless Steel Alloys. Office of Scientific and Technical Information (OSTI), September 2007. http://dx.doi.org/10.2172/919568.

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Duncan, A. MECHANICAL TESTING OF CARBON STEEL IN HIGH PRESSURE HYDROGEN. Office of Scientific and Technical Information (OSTI), May 2006. http://dx.doi.org/10.2172/895632.

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Wiersma, B. J. Corrosion Testing of Carbon Steel in Acid Cleaning Solutions. Office of Scientific and Technical Information (OSTI), December 2002. http://dx.doi.org/10.2172/805803.

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Schindelholz, Eric John, Jeffrey Rodelas, Michael Anthony Melia, and Timothy Montoya. Corrosion Testing of Friction Stir Welded 304L Stainless Steel. Office of Scientific and Technical Information (OSTI), September 2019. http://dx.doi.org/10.2172/1569520.

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Li, Meimei, Wei-Ying Chen, Zuotao Zeng, and Yoichi Momozaki. Planned FY19 Sodium Compatibility Testing of Grade 91 Steel. Office of Scientific and Technical Information (OSTI), September 2019. http://dx.doi.org/10.2172/1778175.

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