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Relevant bibliographies by topics / Fe–W

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Academic literature on the topic 'Fe–W'

Author: Grafiati

Published: 30 May 2022

Last updated: 26 July 2025

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Journal articles on the topic "Fe–W"

1

Barbano, E. P., I. A. Carlos, and E. Vallés. "Electrochemical synthesis of Fe-W and Fe-W-P magnetic amorphous films and Fe-W nanowires." Surface and Coatings Technology 324 (September 2017): 80–84. http://dx.doi.org/10.1016/j.surfcoat.2017.05.071.

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Živná, Helena, Pavel Živný, Vladimír Palička, Eva Šimáková, and Vít Řeháček. "The Influence of Repeated Blood Withdrawals before Surgery on Clinical Outcome." Acta Medica (Hradec Kralove, Czech Republic) 50, no. 2 (2007): 129–33. http://dx.doi.org/10.14712/18059694.2017.69.

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The aim of this study was to find the influence of blood withdrawals and diet iron on elective surgery. Male Wistar rats (n=24) were divided: 1. group (SLD) ate standard laboratory diet (SLD), 2. group (FE) an iron enriched diet (FE) with one blood withdrawal after 9 weeks. 3. group (SLD-w) SLD and 4. group (FE-w) ate the FE diet; with 9 withdrawals once a week. The rats were sacrificed 18 hour after partial hepatectomy (PH) in the 10th week. Liver DNA synthesis (3H-thymidin – kBq/mg DNA) was performed. Serum hepcidin (pg/ml), iron concentration, respiratory burst of polymorfonucleares (RB, sp

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Yamashita, Kouji, Tomonori Kunieda, Koutarou Takeda, Yoshinori Murata, Toshiyuki Koyama, and Masahiko Morinaga. "Diffusion of Refractory Elements in Ternary Iron Alloys." Defect and Diffusion Forum 273-276 (February 2008): 746–51. http://dx.doi.org/10.4028/www.scientific.net/ddf.273-276.746.

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Interdiffusion coefficients of the refractory elements in Fe-W-Re and Fe-Cr-X (X=Mo, W) ternary alloys have been measured on the basis of the modified Boltzmann-Matano method for ternary system. Both the cross interdiffusion coefficients, Fe ReW ~D and Fe WRe ~D were negative in Fe-W-Re ternary alloys. This result indicates that attractive interaction exists between W and Re atoms in iron alloys [1]. This is consistent with our previous experimental results that Re suppresses W diffusion in Fe-15Cr alloy [1]. In addition, the value of cross interdiffusion coefficient Fe CrW ~D was positive in

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Бурумбаев, Азамат Галимжанович, Бауыржан Сатыбалдыулы Келаманов, Асылбек Мейрамханулы Әбдірашит та Отеген Рафхатович Сариев. "Fe-W-Si ЖӘНЕ Fe-W-C ЖҮЙЕЛЕРІНДЕГІ ТЕРМОДИНАМИКАЛЫҚ ҮРДІСТЕРДІ МОДЕЛЬДЕУ ЖӘНЕ ТАЛДАУ". Bulletin of Toraighyrov University. Energetics series, № 2,2021 (24 червня 2021): 93–102. http://dx.doi.org/10.48081/nbxm5649.

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«Triangle» бағдарламасын қолдана отырып термодинамикалық модельдеу жүргізу, фазалық құрам бойынша үштік жүйелердің диаграммасын құру «Terra» бағдарламасының деректер базасын пайдалана отырып жүргізілді. Алынған есептеулер нәтижелері бойынша зерттеліп отырған металдық жүйенің толық фазалық құрамын сипаттайтын құрушы байланыстар анықталды. Мақалада Fe-W-Si және Fе-W-C үштік жүйеге арналған «Triangle» кешенді бағдарламасын қолдану арқылы термодинамикалық есептеулерді жүргізу және зерттеу сұрақтары қарастырылған. Алынған нәтижелер бойынша темір-вольфрам қорытпаларында пайда болатын негізгі фазалар

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MALONDA-BOUNGOU, B. R., A. L. OKANA-LOMANGA, P. S. MOUSSOUNDA, B. M’PASSI-MABIALA, and C. DEMANGEAT. "MAGNETIC PROPERTIES OF Fe DEPOSITED ON W(110) SURFACE: EFFECTS OF O CONTAMINATION AND O2 ADSORPTION." Surface Review and Letters 24, no. 01 (2016): 1750009. http://dx.doi.org/10.1142/s0218625x17500093.

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We have investigated the adsorption sites and the electronic structure correlated with the magnetic properties of ultrathin Fe films on W(110) system using spin-polarized calculations within the density-functional approach with generalized gradient approximation by the pseudopotential plane-wave code. For one Fe monolayer (ML) on W(110) system the Fe atoms prefer to bind on the bridge adsorption sites of the W(110) surface, with an inward relaxation of [Formula: see text]12.68%. The top and diagonal bridge sites investigated are energetically less favorable. We have shown that intermixing betw

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Tarassov, Mihail, and Eugenia Tarassova. "Conditions and Mechanism of Crystallization of Hydrous W-Fe Oxides with a Pyrochlore-Type of Structure (Elsmoreite Group) in the Oxidation Zone of Ore Deposits." Minerals 14, no. 4 (2024): 422. http://dx.doi.org/10.3390/min14040422.

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The purpose of the article is to elucidate the conditions and mechanism of crystallization of W-Fe oxide minerals with a pyrochlore-type structure (formerly ferritungstite, now elsmoreite group minerals) based on (1) a study of representative samples of secondary tungsten minerals from the oxidation zone of the Grantcharitsa tungsten deposit (Bulgaria) and (2) laboratory experiments under conditions suggested by the study of natural samples. It has been shown that crystallization of W-Fe pyrochlores occurs easily and effectively when treating WO3·xFe2O3·nH2O compounds (meymacite and tungstite)

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Donten, Mikołaj, Henrikas Cesiulis, and Zbigniew Stojek. "Electrodeposition and properties of NiW, FeW and FeNiW amorphous alloys. A comparative study." Electrochimica Acta 45, no. 20 (2000): 3389–96. http://dx.doi.org/10.1016/s0013-4686(00)00437-0.

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Manyk, O. M., M. M. Krechun, and V. V. Razinkov. "Theoretical models of anti-diffusion layers of ternary Fe-Ni-W systems in thermoelectric energy converters." Journal of Thermoelectricity, no. 2 (June 25, 2025): 25–35. https://doi.org/10.63527/1607-8829-2025-2-25-35.

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Theoretical models were developed and calculations of the chemical bond parameters of promising antidiffusion layers based on ternary systems Fe-Ni-W were performed. Calculations of the effective radii of interatomic interaction, redistribution of electron density and energy of nonequivalent chemical bonds Fe-Ni, Fe-W, Ni-W in the Fe-Ni-W system depending on the interatomic distances were presented.

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Fu, Y., C. Kwakernaak, J. C. Brouwer, et al. "Surface precipitation of supersaturated solutes in a ternary Fe–Au–W alloy and its binary counterparts." Journal of Materials Science 56, no. 8 (2020): 5173–89. http://dx.doi.org/10.1007/s10853-020-05571-w.

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Abstract The precipitation of supersaturated solutes at free surfaces in ternary Fe–3Au–4W and binary Fe–3Au and Fe–4W alloys (composition in weight percentage) for different ageing times was investigated at a temperature of 700 °C. The time evolution of the surface precipitation is compared among the three alloys to investigate the interplay between the Au and W solutes in the ternary system. The Au-rich grain-interior surface precipitates show a similar size and kinetics in the Fe–Au–W and Fe–Au alloys, while the W-rich grain-interior surface precipitates show a smaller size and a higher num

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Yu, Pengfei, Jun Li, and Ying Liu. "Study on Flowability Regulation of Vacuum Gas-Atomized Fe-Cr-Ni-W-B Spherical Powder." Materials 17, no. 6 (2024): 1264. http://dx.doi.org/10.3390/ma17061264.

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High-quality Fe-Cr-Ni-W-B spherical powder is crucial for the powder metallurgy preparation of high-strength and tough Fe-Cr-Ni-W-B alloys. In this study, the controlled preparation of high-quality Fe-Cr-Ni-W-B spherical powder was achieved using the vacuum gas atomization method. The effects and mechanisms of atomization gas pressure, the melt nozzle inner diameter, and heat treatment temperature on the microstructure and flowability of Fe-Cr-Ni-W-B spherical powder were systematically investigated. By optimizing process parameters, spherical Fe-Cr-Ni-W-B powder with a sphericity of 95.1% and

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Dissertations / Theses on the topic "Fe–W"

1

Karakurkchi, A. V., M. V. Ved, N. D. Sakhnenko, I. Yu Yermolenko, and S. I. Zyubanova. "Electroplating and functional properties of amorphous Fe-Mo(W) and Fe-Mo-W coatings." Thesis, Институт химии растворов им. Г. А. Крестова РАН, 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22618.

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Григор'єва, Світлана Вікторовна, та Олександр Євгенович Бармін. "Сегрегаційні явища в сплавах Fe−W". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/43755.

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Бармин, Александр Евгеньевич. "Тонкая структура вакуумных конденсатов Fe–W". Thesis, НТУ "ХПИ", 2011. http://repository.kpi.kharkov.ua/handle/KhPI-Press/14372.

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Бармин, Александр Евгеньевич, Александр Иванович Ильинский, Анатолий Иванович Зубков та Мария Александровна Глущенко. "Термическая стабильность вакуумных нанокомпозитов Fe-W". Thesis, Национальный научный центр "Харьковский физико-технический институт", 2014. http://repository.kpi.kharkov.ua/handle/KhPI-Press/14366.

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Бармин, Александр Евгеньевич. "Особенности структуры вакуумных конденсатов Fe-W". Thesis, НТУ "ХПИ", 2012. http://repository.kpi.kharkov.ua/handle/KhPI-Press/14371.

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Mc, Grath Oran F. K. "Structural and magnetic properties of epitaxial W/Fe/W and Gd/Fe films grown by pulsed laser deposition." Université Joseph Fourier (Grenoble), 1994. http://www.theses.fr/1994GRE10209.

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Le but de cette these est d'etudier les proprietes structurales et magnetiques des couches epitaxiees de w/fe/w et gd/fe elaborees par depot laser pulse. La technique de depot laser pulse est presentee dans le premier chapitre. La croissance des couches minces est discutee dans le deuxieme chapitre puis l'analyse des proprietes structurales des couches elaborees est presentee dans le troisieme chapitre. Une revue des proprietes magnetiques des couches ultra-minces, telle que le moment magnetique, l'anisotropie et les excitations thermiques est presentee dans le quatrieme chapitre. La determina

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Бармин, Александр Евгеньевич. "Диспергирование зеренной структуры cплавов Fe–W полученных в вакууме". Thesis, НТУ "ХПІ", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/36750.

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Бармин, Александр Евгеньевич. "Сегрегационные явления в вакуумных конденсатах Fe-W". Thesis, Институт металлургии и материаловедения им. А. А. Байкова РАН, 2011. http://repository.kpi.kharkov.ua/handle/KhPI-Press/14359.

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Plantin, Pascale. "Dépôts multicouches Fe/W sur substrat de Fe par pulvérisation magnétron D. C." Phd thesis, Université d'Orléans, 2006. http://tel.archives-ouvertes.fr/tel-00123902.

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Le masque des tubes cathodiques est un élément déterminant pour la qualité de l'image d'un téléviseur. Le masque est une grille de fer (Fe) oxydée sous forme de magnétite (Fe3O4). Le bombardement électronique subi par le masque génère des gradients de température. Il s'en suit une déformation du masque. L'image perd alors en contraste et en brillance. L'étude a porté sur la détermination, l'élaboration et la caractérisation d'une couche mince limitant ce gradient de température. Le matériau choisi pour cette couche protectrice est le tungstène (W) associé au fer (Fe) sous sa forme oxyde de fer

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Kubetzka, André. "Spinpolarisierte Rastertunnelmikroskopie an magnetischen Nanostrukturen: Fe-W(110)." [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=965752569.

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Books on the topic "Fe–W"

1

Płusa, Danuta. Rola struktury domenowej w procesie przemagnesowania spiekanych magnesʹow Nd-Fe-B. Wydawn. Wydziału Metalurgii i Inżynierii Materiałowej Politechniki Częstochowskiej, 2001.

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Guzik, Edward. Model wzrostu eutektyki nieregularnej na przykładzie eutektyki grafitowej w stopach Fe-C. Wydawnictwa AGH, 1994.

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3

Derda, Włodzimierz. Rafinacja ciekłych stopów typu Fe-Cr-Ni-X w warunkach bardzo niskich ciśnień cząstkowych tlenu w fazie gazowej. Wydawn. Wydziału Metalurgii i Inżynierii Materiałowej Politechniki Częstochowskiej, 2000.

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4

Jeleńkowski, Jerzy. Przemiana martenzytu w austenit w stopach Fe-(23-26) Ni-(2-3)ti-(Nb) z dodatkami aluminium lub molibdenu. Oficyna Wydawnicza Politechniki Warszawskiej, 1996.

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5

Kotowska, Janina. Wpływ wapnowania i nawożenia mineralnego na plon oraz zawartość Cu, Zn, Fe, Ca, K, N, P w roślinach uprawianych w zmianowaniu. Wydawn. Akademii Rolniczej w Szczecinie, 1992.

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Kawazoe, Y., U. Carow-Watamura, and J. Z. Yu, eds. Physical Properties of Ternary Amorphous Alloys. Part 2: Systems from B-Be-Fe to Co-W-Zr. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-13850-8.

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Kawazoe, Y., U. Carow-Watamura, and J. Z. Yu, eds. Physical Properties of Ternary Amorphous Alloys. Part 3: Systems from Cr-Fe-P to Si-W-Zr. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-14133-1.

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Lüngen, Susanne. Fischer-Tropsch-Mitteldruck-Synthese im Festbett an Fe- und Co-Katalysatoren unter Verwendung der Zeolithe L, W [Omega], B [Beta], ZSM 11 und ZSM 12, Erionit und Mordenit. [s.n.], 1991.

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La Fe de George W. Bush / The Faith of George W. Bush. Casa Creacion, 2004.

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Unknown. Au, U, Fe, Mn, Hg, Sb, W, and P Deposits. Elsevier Science & Technology Books, 2012.

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Book chapters on the topic "Fe–W"

1

Carow-Watamura, U., D. V. Louzguine, and A. Takeuchi. "B-Fe-W (151)." In Landolt-Börnstein - Group III Condensed Matter. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-13850-8_51.

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Carow-Watamura, U., D. V. Louzguine, and A. Takeuchi. "C-Fe-W (186)." In Landolt-Börnstein - Group III Condensed Matter. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-13850-8_88.

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Predel, B. "Fe - W (Iron - Tungsten)." In Dy - Er … Ir - Y. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-24778-1_45.

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Kawazoe, Yoshiyuki, and Ursula Carow-Watamura. "B-Co-Fe-W-Zr." In Phase Diagrams and Physical Properties of Nonequilibrium Alloys: 5 Component Amorphous Alloys. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-64978-7_60.

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Lin, Kuan Hong, Chen Siang Hsu, and Shun Tian Lin. "Microstructures of W-Mo-Ni-Fe Heavy Alloys." In Progress in Powder Metallurgy. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-419-7.1273.

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Garside, Gavin John, Chai Ren, Biswadeep Saha, Meenakshisundaram Ramanathan, and Sivaraman Guruswamy. "Magnetostrictive Behavior of Fe-W Alloy Single Crystals." In Supplemental Proceedings. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062111.ch45.

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Araya-Pochet, J., C. A. Ballentine, and J. L. Erskine. "Magneto-Optical Studies of Ultrathin Fe/W(100) Films." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-76376-2_70.

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Abakay, Eray, Bülent Kilinc, Saduman Sen, and Ugur Sen. "Microstructural Examinations of Fe-W-B Base Hard-Faced Steel." In International Multidisciplinary Microscopy Congress. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04639-6_19.

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Kim, Young Do, Dae-Gun Kim, Jeong-Keun Lee, Eun-Pyo Kim, and In-Hyung Moon. "Full Densification of the Injection Molded W-Ni-Fe Heavy Alloy with the Fe-Contained Binder System." In Materials Development and Processing - Bulk Amorphous Materials, Undercooling and Powder Metallurgy. Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607277.ch38.

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Murata, Yoshinori, Tomonori Kunieda, Kouji Yamashita, Toshiyuki Koyama, Effendi, and Masahiko Morinaga. "Diffusion and Interaction of W and Re in Fe-Cr Alloys." In Defect and Diffusion Forum. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-36-1.231.

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Conference papers on the topic "Fe–W"

1

Barile, Ronald G., Louis G. MacDowell, Joe Curran, Luz Maria Calle, and Timothy Hodge. "Corrosion of Stainless-Steel Tubing in a Spacecraft Launch Environment." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02152.

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Abstract This is a report of exposure of various metal tubing to oceanfront launch environment. The objective is to examine various types of corrosion-resistant tubing for Space Shuttle launch sites. The metals were stainless steels (austenitic, low-carbon, Mo-alloy, superaustenitic, duplex, and superferritic), Ni-Cr-Mo alloy, Ni-Mo-Cr-Fe-W alloy, and austenitic Ni-base superalloy.

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DeForce, Brian, Njall Stefansson, John Dunn, George Smith, and John Goetz. "UNS N08830 – New Ni-Fe-Cr-Mo-N Super-Austenitic Alloy." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-08979.

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Abstract UNS N08830 is a new Ni-Fe-Cr-Mo-N superaustenitic alloy. It is a non-magnetic single phase, non-precipitation hardenable alloy with exceptional pitting and crevice corrosion resistance, while achieving high strength, excellent toughness and wear resistance in the strain hardened condition. This solid solution strengthened alloy has additions of Cu, W, Co and Mn resulting in improved microstructural stability as compared to other alloys with similar corrosion resistance, allowing for manufacturing productivity in a greater number of sizes and product forms. This paper will introduce th

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Murray, John N., and A. G. S. (Terry) Morton. "The Role of Modifying Elements on the Behavior of Indium Activated, Aluminum/Zinc Alloy Sacrificial Anodes; Part 2, Physical Metallurgy Evaluation of Tested Samples." In CORROSION 2001. NACE International, 2001. https://doi.org/10.5006/c2001-01507.

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Abstract Following short-term and long term electrochemical evaluations of twenty-three cast alloys varied around the baseline alloy composition of 3.5 weight percent (w/o) zinc, 1200 parts per million by weight (ppmw) silicon and 150 ppmw indium, scanning electron microscopic evaluations were made including elemental evaluations of interesting features. The presence, location and electrochemical behavior of Fe/Si rod impurities within the bulk alloy was documented. Some surface segregation of excessive element additions appearing to have resulted in passivation was also documented.

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Hikov, Atanas, Zlatka Milakovska, Valentina Lyubomirova Lyubomirova, and Nadezhda Lihareva. "CRITICAL ELEMENTS IN SEQUENTIAL LEACHED PHASES FROM DEEP-SEA POLYMETALLIC NODULES AND SEDIMENTS." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s01.05.

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The deep-sea metalliferous sediments and Fe-Mn polymetallic nodules formed in modern environment at the deep-sea ocean floor (> 4000 m depth) were evaluated as promising new raw materials, especially for critical elements as Li, Co, Cu, Mn, Ni, and rare earth elements (REE). We use � selective sequential leaching procedure to study the distribution of main and trace elements in sequential leached phases from deep-sea polymetallic nodules and sediments from the eastern part of the Clarion-Clipperton fractures zone, NE Pacific. Results show extraction of Mn in the leach 2 in both nodules and

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Ravi, Vilupanur, Bradley Harrison, Jordan Koch, et al. "Chromizing of 3-Cr Steel." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11152.

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Abstract Grade 315 steel (Fe-2.9 Cr--1.7 W- 0.7 Mo -0.3 Mn-0.3 Si-0.2 V- 0.1 Ni-0.13 C-0.01 N) was chromized by the halide-activated pack cementation (HAPC) process. Key process parameters, i.e., coating temperatures and pack compositions, were investigated. Ammonium chloride-activated packs in the 700-1000°C range produced coatings nominally in the 1-8 μm range, as determined by optical and scanning electron microscopy (SEM). Coatings applied in the 900-1000°C temperature range resulted in Cr-rich coatings. The predominant phase in the coating was identified as Cr23C6 by X-ray diffraction. In

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John, R. C., P. Spencer, A. D. Pelton, et al. "Predictions of Corrosion Products for Alloys Corroding in Complex Gases via Thermochemical Analyses." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03501.

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Abstract The capability to perform very user-friendly, thermochemical analyses of complex, real alloys corroding in complex, high-temperature gases has been developed. Predictions of the stabilities of complex assemblies of corrosion products formed by reactions of alloys containing Fe-Cr-Ni-Co-C-N and gases containing S-C-O-H-N species can now be done with unprecedented accuracy and generality. The thermochemical data models are based upon extensive analyses of all available thermochemical data for all possible solid and liquid compounds and solutions based upon all combinations of Fe-Cr-Ni-C

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Mannan, Sarwan, Gaylord Smith, and Samuel Kiser. "Performance of Commercial and Developmental Corrosion Resistant Alloys in Simulated Waste Incineration Environments." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02387.

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Abstract Several Ni and Fe base alloys were tested in a simulated flue gas environment at 500°C, 550°C, and 650°C. To mimic the effect of ash deposit, the specimens were coated with slurry containing heavy metal and alkali metal chlorides. The exposed materials were examined for mass change and depth of attack by microscopic corrosion depth measurements to evaluate general and localized corrosion attack. Results indicate that Ni, Cr and Mo are beneficial for corrosion resistance. Several Ni-Cr-Mo-W experimental alloys were also tested under the same environmental conditions. These alloys were

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John, R. C., A. D. Pelton, P. Spencer, A. L. Young, and W. T. Thompson. "Alloy Carburization at Temperatures of 1,200 - 2,100°F (650 - L,150°C)." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03474.

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Abstract A large body of knowledge on the carburization of engineering alloys used in high-temperature petrochemical processing equipment is being developed. The capability includes: the facility to perform thermochemical assessments of carbide formation on complex alloys in diverse conditions and the capability to predict carburization for various exposure conditions. The alloys considered are widely used, commercial and based upon mixtures of Fe-Cr-Ni-Co. The gaseous exposure conditions considered contain CH4-H2-H2S-H2O. The thermochemical data models have been prepared to predict phase form

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Silence, W. L., and K. A. Groeneveld. "High Strength Alloy Wirelines for Deep Oil and Gas Well Service." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89011.

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Abstract The use of wirelines in the operation of sour gas and oil wells is a common and needed activity. These wirelines must be high strength, and they must resist corrosion by the environments of such wells, environments that cause stress-corrosion cracking (SCC) of many alloys. Specially prepared samples of 17 alloys, including austenitic stainless steels, a duplex stainless steel, nickel-base alloys, a cobalt-base alloy, a nickel-cobalt alloy and a titanium alloy, were tested in seven environments in the laboratory to measure their resistance to SCC. Simulated sour well environments were

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Garces, Daniel, Yolanda Sanchez-Palencia, Samantha Jimenez, and Juan Llamas. "ENVIRONMENTAL STATISTICAL ANALYSIS OF THE BASINS OF THE MINING DISTRICT OF PONCE ENRIQUEZ (ECUADOR)." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s01.09.

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Camilo Ponce Enriquez is in the southwest coastal zone of Ecuador, and it is surrounded by 4 river basins (Gala, Tenguel, Siete and Pagua) with an area of 1,780 km2. Mining has been the main economic activity since 1980 and is classified as Artisanal and Small-Scale Mining Activity. However, since 2000s there is evidence of contamination by heavy metals in water and sediments due to irregular mining practices and inefficiency environmental�s regulations. Despite the evidence, there are not enough scientific studies, and few reports are published about chemistry and contamination. The study goa

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Reports on the topic "Fe–W"

1

พงศ์สถาบดี, ณัฐธยาน์. การผลิตกระแสไฮโดรเจนเข้มข้นจากแก๊สเรือนกระจกมีเทนและคาร์บอนไดออกไซด์ : รายงานฉบับสมบูรณ์การวิจัย. คณะวิทยาศาสตร์ จุฬาลงกรณ์มหาวิทยาลัย, 2013. https://doi.org/10.58837/chula.res.2013.18.

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งานวิจัยนี้มีวัตถุประสงค์เพื่อผลิตไฮโดรเจนจากระบบร่วมปฏิกิริยารีฟอร์มมิ่งมีเทนด้วยคาร์บอนไดออกไซด์และปฏิกิริยาวอเตอร์แก๊สชิฟต์ จากผลการทดลองในส่วนของปฏิกิริยารีฟอร์มมิ่งมีเทนด้วยคาร์บอนไดออกไซด์ พบว่า ตัวเร่งปฏิกิริยา 7%Ni/zeolite Y ซึ่งเตรียมด้วยวิธีเคลือบฝังแบบเปียกพอดีรูพรุน แสดงประสิทธิภาพการทำงานที่ดี ณ 800 องศาเซลเซียส เมื่ออัตราส่วนโดยโมลระหว่างมีเทนต่อคาร์บอนไดออกไซด์เท่ากับ 1 และความเร็วแก๊สผ่านเบด เท่ากับ 15,000 ลูกบาศก์เซนติเมตรต่อชั่วโมงต่อกรัมตัวเร่งปฏิกิริยา โดยให้ค่าการเปลี่ยนของมีเทน ค่าการเปลี่ยนของคาร์บอนไดออกไซด์ และค่าการเลือกเกิดไฮโดรเจน ประมาณร้อยละ 99 โดยปราศจากการเกิดโค

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Tober, E. D., R. X. Ynzunza, F. J. Palomares, et al. Interface structures of ordered Fe and Gd overlayers on W(110) from site-specific photoelectron diffraction. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/603663.

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3

Jawad, Mann, and Vinod K. Sikka. Development of a New Class of Fe-3Cr-W(V) Ferritic Steels for Industrial Process Applications. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/838431.

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Jawad, M. Development of a New Class of Fe-3Cr-W(V)Ferritic STeels for Industrial Process Applications. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/838517.

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Sikka, V. J., and M. H. Jawad. Development of A New Class of Fe-3Cr-W(V)Ferritic Steels for Industrial Process Applications. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/939630.

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6

พงศ์สถาบดี, ณัฐธยาน์. การผลิตกระแสไฮโดรเจนเข้มข้นจากแก๊สเรือนกระจกมีเทนและคาร์บอนไดออกไซด์ : รายงานฉบับสมบูรณ์การวิจัย. คณะวิทยาศาสตร์ จุฬาลงกรณ์มหาวิทยาลัย, 2014. https://doi.org/10.58837/chula.res.2014.15.

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งานวิจัยนี้มีวัตถุประสงค์เพื่อผลิตไฮโดรเจนโดยใช้ระบบโดยรวมของปฏิกิริยารีฟอร์มมิ่งมีเทนด้วยคาร์บอนไดออกไซด์ ปฏิกิริยาวอเตอร์แก๊สชิฟต์และออกซิเดชันแบบเลือกเกิดของคาร์บอนมอนอกไซด์ ในส่วนของปฏิกิริยารีฟอร์มมิ่งมีเทนด้วยคาร์บอนไดออกไซด์ พบว่า ตัวเร่งปฏิกิริยา 7%Ni/zeolite Y แสดงประสิทธิภาพการทำงานที่ดี ณ 800 องศาเซลเซียส เมื่ออัตราส่วนโดยโมลระหว่างมีเทนต่อคาร์บอนไดออกไซด์เท่ากับ 1 และความเร็วแก๊สผ่านเบด เท่ากับ 15,000 ลูกบาศก์เซนติเมตรต่อชั่วโมงต่อกรัมตัวเร่งปฏิกิริยา โดยให้ค่าการเปลี่ยนของมีเทน ค่าการเปลี่ยนของคาร์บอนไดออกไซด์ และค่าการเลือกเกิดไฮโดรเจน ประมาณร้อยละ 99 โดยปราศจากการเกิดโค้ก ในส่วน

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Weerasooriya, Tusit, and Paul Moy. High Shear Strain-Rate Behavior of W-Ni-Fe Tungsten Heavy Alloy Composites as a Function of Matrix Volume Fraction. Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada353925.

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Tober, Eric D. The interfacial and surface properties of thin Fe and Gd films grown on W(110) as studied by scanning tunneling microscopy, site-resolved photoelectron diffraction, and spin polarized photoelectron diffraction. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/508112.

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