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Готові списки джерел за темами / Fe–W / Статті в журналах

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Статті в журналах з теми "Fe–W"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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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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2

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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Анотація:

«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 және олардың температураға байланысты өзгерістері зерттелді. Сонымен қатар, балқытудың нақты материалдық тепе-теңдігін жасау және қорытпаның құрамын термодинамикалық реттеу мүмкіндігі қарастырылды.

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3

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 (June 2000): 3389–96. http://dx.doi.org/10.1016/s0013-4686(00)00437-0.

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4

Hong, Soon C., A. J. Freeman, and C. L. Fu. "MAGNETISM AND HYPERFINE INTERACTIONS OF Fe/W(110) AND Ag-COVERED Fe/W(110)." Le Journal de Physique Colloques 49, no. C8 (December 1988): C8–1683—C8–1684. http://dx.doi.org/10.1051/jphyscol:19888763.

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5

Ahmad, Jamil, Katsuhiko Asami, Akira Takeuchi, Dmitri V. Louzguine, and Akihisa Inoue. "High Strength Ni-Fe-W and Ni-Fe-W-P Alloys Produced by Electrodeposition." MATERIALS TRANSACTIONS 44, no. 10 (2003): 1942–47. http://dx.doi.org/10.2320/matertrans.44.1942.

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6

Stawovy, M. T., and A. O. Aning. "Processing of amorphous Fe–W reinforced Fe matrix composites." Materials Science and Engineering: A 256, no. 1-2 (November 1998): 138–43. http://dx.doi.org/10.1016/s0921-5093(98)00799-0.

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7

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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Анотація:

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, spontaneous; stimulated, %), count of blood cells were determined. FE-w had a higher (2.36±0.36) liver DNA synthesis after PH vs. SLD (1.21±0.49). Higher hemoglobin in erythrocytes (pg) was in FE-w and SLD-w vs. FE and SLD. PMN count in SLD-w, FE-w increased vs. SLD, FE. Hepcidin after PH decreased in SLD (78.0), FE (68.0), FE-w (97.0), but increased in SLD-w (217). Serum iron increased in SLD-w. RB after PH increased in FE-w (4.5; 47.6) vs. SLD (1.15; 29.1), FE (3.20;17.8), SLD-w (3.30;13.7). Conclusions: The iron diet with stimulation of haematopoesis by withdrawals improves an organism’s condition expressed as better response to elective surgery and better PMN functions.

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8

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 Fe-Cr-W diffusion system, whereas Fe MoCr ~D was negative in Fe-Cr-Mo diffusion system.

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9

Hu, Y. J., A. C. Lieser, A. Saengdeejing, Z. K. Liu, and L. J. Kecskes. "Glass formability of W-based alloys through thermodynamic modeling: W–Fe–Hf–Pd–Ta and W–Fe–Si–C." Intermetallics 48 (May 2014): 79–85. http://dx.doi.org/10.1016/j.intermet.2013.10.010.

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10

Tsyntsaru, N., E. Vernickaite, V. Martínez Nogues, and H. Cesiulis. "Tribocorrosion properties of nanocrystalline W-rich Co–W, Ni–W and Fe–W coatings." Proccedings of International Scientific Conference "BALTTRIB 2019" 1 (2019): 285–90. http://dx.doi.org/10.15544/balttrib.2019.45.

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11

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 (December 22, 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 between Fe and W is unlikely: the surface ordered Fe–W alloy is unstable against the 1-ML Fe on W(110). While the control of oxygen element is known to be an important key to a perfect growth of Fe on W(110), its possible contamination is checked. Performing spin polarized calculations with the optimized geometry, the induced magnetic moments on W subsurface are obtained: the W atoms are always antiferromagnetically coupled to the Fe atoms, one exception being the case of the antiferromagnetic Fe surface where, due to frustration, the induced polarization on the W atoms is zero. The bridge site is the lower adsorption energy one for O2 molecular bonding perpendicular to the surface. In the case of O2 bonding parallel and oblique to the surface, it is always dissociated into two O atoms on Fe/W(110) surface through geometry optimization, for all considered sites.

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12

Window, B. "Structural aspects of superlattices of Fe‐W, Fe‐Mo, and Fe‐Nb metals." Journal of Applied Physics 63, no. 4 (February 15, 1988): 1080–85. http://dx.doi.org/10.1063/1.340011.

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13

Hillebrands, B., P. Baumgart, R. Mock, G. Güntherodt, A. Boufelfel, and C. M. Falco. "Collective spin waves in Fe/Pd and Fe/W multilayers." Journal of Applied Physics 61, no. 8 (April 15, 1987): 4308–10. http://dx.doi.org/10.1063/1.338456.

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14

Raghavan, V. "Co-Fe-W (cobalt-iron-tungsten)." Journal of Phase Equilibria 15, no. 5 (October 1994): 528–29. http://dx.doi.org/10.1007/bf02649408.

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15

Raghavan, V. "Cr-Fe-W (chromium-iron-tungsten)." Journal of Phase Equilibria 15, no. 5 (October 1994): 539–42. http://dx.doi.org/10.1007/bf02649413.

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16

Raghavan, V. "B-Fe-W (Boron-Iron-Tungsten)." Journal of Phase Equilibria 24, no. 5 (May 2003): 457–58. http://dx.doi.org/10.1361/105497103770330154.

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17

Hauser, J. J. "Magnetic properties of W-Fe alloys." Physical Review B 33, no. 7 (April 1, 1986): 5073–75. http://dx.doi.org/10.1103/physrevb.33.5073.

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18

Raghavan, V. "Fe-Sn-W (Iron-Tin-Tungsten)." Journal of Phase Equilibria and Diffusion 31, no. 2 (January 22, 2010): 190. http://dx.doi.org/10.1007/s11669-010-9655-2.

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19

Raghavan, V. "C-Fe-W (Carbon-Iron-Tungsten)." Journal of Phase Equilibria 15, no. 4 (August 1994): 429–30. http://dx.doi.org/10.1007/bf02647573.

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20

Raghavan, V. "Fe-Mo-W (Iron-Molybdenum-Tungsten)." Journal of Phase Equilibria 15, no. 6 (December 1994): 627–28. http://dx.doi.org/10.1007/bf02647631.

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21

Raghavan, V. "Fe-ni-w (iron-nickel-tungsten)." Journal of Phase Equilibria 15, no. 6 (December 1994): 631–32. http://dx.doi.org/10.1007/bf02647634.

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22

Raghavan, V. "Fe-Si-W (bdIron-Silicon-Tungsten)." Journal of Phase Equilibria 15, no. 6 (December 1994): 634. http://dx.doi.org/10.1007/bf02647636.

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23

Raghavan, V. "Fe-Ti-W (iron-titanium-tungsten)." Journal of Phase Equilibria 15, no. 6 (December 1994): 635. http://dx.doi.org/10.1007/bf02647637.

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24

Kostakis, Georg. "Intermetallische Phasen des Zweistoffsystems Fe-W." International Journal of Materials Research 76, no. 1 (January 1, 1985): 34–36. http://dx.doi.org/10.1515/ijmr-1985-760107.

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25

Fu, Y., C. Kwakernaak, J. C. Brouwer, W. G. Sloof, E. Brück, S. van der Zwaag, and N. H. van Dijk. "Surface precipitation of supersaturated solutes in a ternary Fe–Au–W alloy and its binary counterparts." Journal of Materials Science 56, no. 8 (November 30, 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 number density in the Fe–Au–W alloy compared to the Fe–W alloy. The kinetics of the precipitation on the external free surface for the ternary Fe–Au–W alloy is compared to the previously studied precipitation on the internal surfaces of the grain-boundary cavities during creep loading of the same alloy. Graphical abstract

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26

Rao, A. Sambasiva, M. K. Mohan, and A. K. Singh. "Solidification behavior and microstructural characterization of Ni–Fe–W and Ni–Fe–W–Co matrix alloys." International Journal of Materials Research 109, no. 7 (July 12, 2018): 599–614. http://dx.doi.org/10.3139/146.111647.

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27

Mi, S. T., H. R. Gong, and J. L. Fan. "Structural stability and mechanical property of Fe-W solid solutions from a constructed Fe-W potential." Journal of Applied Physics 126, no. 11 (September 21, 2019): 115102. http://dx.doi.org/10.1063/1.5111093.

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28

Fernändez Guillermet, Armando. "Thermodynamic Calculation of the Fe-Co-W Phase Diagram / Thermodynamische Berechnung des Zustandsdiagramms Fe-Co-W." International Journal of Materials Research 79, no. 10 (October 1, 1988): 633–42. http://dx.doi.org/10.1515/ijmr-1988-791003.

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29

Bobanova, Zhanna, Vladimir Petrenko, Natalia Tsyntsaru, and Alexandr Dikusar. "Leveling Power of Co-W and Fe-W Electrodeposited Coatings." Key Engineering Materials 813 (July 2019): 248–53. http://dx.doi.org/10.4028/www.scientific.net/kem.813.248.

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The leveling power of gluconate and citrate electrolytes used to obtain the Co-W and Fe-W alloys was studied. The leveling power parameter P was calculated according to the results of profilographic measurements of microprofile carried out before and after deposition of the coating on surface. It was shown that deposition of said alloys occurs with preferential coating thickness increase on microprofile peaks and low microlevelling power.

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30

Belevskii, Stanislav, Serghei Silkin, Natalia Tsyntsaru, Henrikas Cesiulis, and Alexandr Dikusar. "The Influence of Sodium Tungstate Concentration on the Electrode Reactions at Iron–Tungsten Alloy Electrodeposition." Coatings 11, no. 8 (August 18, 2021): 981. http://dx.doi.org/10.3390/coatings11080981.

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The investigation of Fe-W alloys is growing in comparison to other W alloys with iron group metals due to the environmental and health issues linked to Ni and Co materials. The influence of Na2WO4 concentration in the range 0 to 0.5 M on bath chemistry and electrode reactions on Pt in Fe-W alloys’ electrodeposition from citrate electrolyte was investigated by means of rotating disk electrode (RDE) and cyclic voltammetry (CV) synchronized with electrochemical quartz crystal microbalance (EQCM). Depending on species distribution, the formation of Fe-W alloys becomes thermodynamically possible at potentials less than −0.87 V to −0.82 V (vs. Ag/AgCl). The decrease in electrode mass during cathodic current pass in the course of CV recording was detected by EQCM and explained. The overall electrode process involving Fe-W alloy formation may be described using formalities of mixed kinetics. The apparent values of kinetic and diffusion currents linearly depend on the concentration of Na2WO4. Based on the values of partial currents for Fe and W, it was concluded that codeposition of Fe-W alloy is occurring due to an autocatalytic reaction, likely via the formation of mixed adsorbed species containing Fe and W compounds or nucleation clusters containing both metals on the electrode surface.

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31

Jen, S. U., and S. A. Chang. "Magnetic and transport properties of Fe‐Mo and Fe‐W alloys." Journal of Applied Physics 73, no. 10 (May 15, 1993): 6402–4. http://dx.doi.org/10.1063/1.352610.

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32

Novakova, A. A., T. Yu Kiseleva, V. V. Lyovina, D. V. Kuznetsov, and A. L. Dzidziguri. "Low temperature formation of nanocrystalline Fe–W and Fe–Mo compounds." Journal of Alloys and Compounds 317-318 (April 2001): 423–27. http://dx.doi.org/10.1016/s0925-8388(00)01420-1.

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33

Hillebrands, B., P. Baumgart, R. Mock, G. Güntherodt, A. Boufelfel, and C. M. Falco. "Collective spin waves in Fe-Pd and Fe-W multilayer structures." Physical Review B 34, no. 12 (December 15, 1986): 9000–9003. http://dx.doi.org/10.1103/physrevb.34.9000.

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34

Ved’, M. V., M. D. Sakhnenko, H. V. Karakurkchi, I. Yu Ermolenko, and L. P. Fomina. "Functional Properties of Fe−Mo and Fe−Mo−W Galvanic Alloys." Materials Science 51, no. 5 (March 2016): 701–10. http://dx.doi.org/10.1007/s11003-016-9893-5.

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35

Nahm, T. U., and R. Gomer. "The adsorption of Fe on W(110) and of O and H on Fe-covered W(110)." Surface Science 373, no. 2-3 (March 1997): 237–56. http://dx.doi.org/10.1016/s0039-6028(96)01163-6.

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36

Azubike, D. C., A. Chrysanthou, and U. O. Igiehon. "A Crystallographic Re-Examination of the (Fe,W)6C Phase Field in the Fe-W-C System." Powder Diffraction 7, no. 3 (September 1992): 162–63. http://dx.doi.org/10.1017/s0885715600018522.

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AbstractA more accurate X-ray diffraction pattern for the high speed steel carbide Fe3W3C is presented. This pattern includes the low angle reflections omitted from previous studies. A wider homogeneity range for the M6C carbide phase at 1200° C is suggested.

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37

Yamagata, Ryosuke, and Kyosuke Yoshimi. "Effect of Nb/W Ratio on Fe₂ (Nb, W) Laves Phase Formation in Fe-Cr-Al-Nb-W Alloy." Journal of the Japan Institute of Metals 80, no. 10 (2016): 646–54. http://dx.doi.org/10.2320/jinstmet.j2016027.

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38

Murata, Yoshinori, Tomonori Kunieda, Kouji Yamashita, Toshiyuki Koyama, Effendi, and Masahiko Morinaga. "Diffusion and Interaction of W and Re in Fe-Cr Alloys." Defect and Diffusion Forum 258-260 (October 2006): 231–36. http://dx.doi.org/10.4028/www.scientific.net/ddf.258-260.231.

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The diffusivity of refractory elements in heat resistant steels is crucial for the basic understanding of the microstructural stability during creep. The purposes of this study are to estimate the diffusivity in Fe-Cr alloys as a base alloy for the bcc matrix phase in high Cr ferritic steels and also to investigate the alloying effect of Re on the W diffusivity in them. Fe-15Cr and Fe-20Cr binary alloys, Fe-15Cr-5Re, Fe-15Cr-5W, Fe-20Cr-5Re ternary alloys [mol%] were used in this study. On the basis of the modified ternary Boltzmann-Matano method, the interdiffusion coefficients were obtained in Fe-Cr-Re ternary system. The apparent interdiffusion coefficient for the Re-doped Fe-Cr-W alloy was about one fifth of that for the Re-free alloy. It is concluded that the existence of Re retarded significantly the W diffusion in Fe-15mol%Cr based alloy. This is probably the main reason why a small amount of Re addition suppress the microstructural evolution of W containing high Cr ferritic steels.

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39

Lu, Li, Liu Zhu, and Liu Yuxiang. "Corrosion Performance of W-Ni-Cu and W-Ni-Fe Alloys." Rare Metal Materials and Engineering 47, no. 6 (June 2018): 1708–15. http://dx.doi.org/10.1016/s1875-5372(18)30154-1.

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40

Matsumoto, Yuki, Satoshi Okamoto, Nobuaki Kikuchi, Osamu Kitakami, Yoshio Miura, Motohiro Suzuki, Masaichiro Mizumaki, and Naomi Kawamura. "Large Negative Magnetic Anisotropy of W/Fe/W (001) Epitaxial Trilayers." IEEE Transactions on Magnetics 51, no. 11 (November 2015): 1–4. http://dx.doi.org/10.1109/tmag.2015.2432074.

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41

Jiang, Diyou, Musheng Wu, Desheng Liu, Fangfang Li, Minggang Chai, and Sanqiu Liu. "Structural Stability, Electronic Structures, Mechanical Properties and Debye Temperature of Transition Metal Impurities in Tungsten: A First-Principles Study." Metals 9, no. 9 (September 2, 2019): 967. http://dx.doi.org/10.3390/met9090967.

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The structural stability, electronic structures, mechanical properties and Debye temperature of W-TM (TM = Cr, Cu, Fe, Mn, Mo and Ni, respectively) alloys have been investigated by first principles method. The lattice constant, cell volume, formation energy and cohesive energy of W-TM alloys are calculated. W-TM alloys still maintain bcc lattice, and have no structural phase transformation. It is shown that W-Mo and W-Mn alloys have better alloying ability with strong interactions between W and Mo/Mn atoms. However, the alloying ability of W-Cu, W-Fe, W-Cr and W-Ni is poor, and there is a weak chemical interaction between W and Cu/Cr/Fe/Ni atoms. Using the optimized lattice, the elastic constants are calculated, and the elastic moduli and other mechanical parameters are derived. Results show that the mechanical strength of W-TM alloys is lower than that of pure W, especially W-Cu and W-Ni alloys. However, the B/G ratio and Poisson’s ratio of W-TM alloys are higher than that of pure W, indicating that TM alloying can significantly improve the ductility of pure W. The metallicity of pure W can be enhanced by doping Fe or Mn, while doping Cr, Cu, Mo and Ni reduces the metallicity of pure W, of which W-Cu alloy has worst metallicity.

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