Synthesis of molybdenum borides and molybdenum silicides in molten salts and their oxidation behavior in an air–water mixture

Кузнецов, С. А.; Кузнецова, С. В.; Rebrov, Evgeny V.; Mies, M.J.M.; Croon, M.H.J.M. de; Schouten, J.C.

doi:10.1016/j.surfcoat.2004.05.021

Cited by 35 publications

(30 citation statements)

References 13 publications

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“…Thus, the uncoated Mo showed a parabolic oxidation (Figure 11). The oxidation behavior of the uncoated Mo was similar to the results reported by Kuznetsov et al [28].…”

Section: Resultssupporting

confidence: 89%

Preparation and Characterization of MoB Coating on Mo Substrate

Wang

Shi

Yan

et al. 2018

Metals

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Abstract:A molybdenum boride (MoB) coating was prepared on molybdenum (Mo) by an in-situ chemical vapor deposition method. To develop a fuller understanding of the effect of depositional conditions on the growth of MoB coating formed on Mo substrate, this paper studied the phase composition and microstructure of the coating at varied conditions. At the same time, the relationships between the growth of the coating in thickness and depositional conditions were also investigated. The phase composition of the coating, which was prepared using 0.2 wt % boron (B), was composed of MoB and Mo 2 B phases. The single MoB phase was obtained using a high B content (above 0.2 wt %). The microstructure of the coating showed that MoB coating could be prepared at temperatures over 900 • C. With the increase of temperature and time, the thickness of the coating increased. The growth of the coating was also influenced by the content of NaF. With increasing content, the thickness of the coating first increased, and then decreased. In addition, the prepared coating had a high hardness (3130.85 HV), and the mass change of the coated sample was only 4.92 mg/cm 2 after isothermal oxidation at 600 • C for 100 h. The MoB coating could provide a good oxidation resistance for Mo at 600 • C.

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“…Thus, the uncoated Mo showed a parabolic oxidation (Figure 11). The oxidation behavior of the uncoated Mo was similar to the results reported by Kuznetsov et al [28].…”

Section: Resultssupporting

confidence: 89%

Preparation and Characterization of MoB Coating on Mo Substrate

Wang

Shi

Yan

et al. 2018

Metals

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“…Among them, the molten salt methods including electrochemical and diffusional synthesis (non-current transfer) are of some advantages due to the relatively lower operable temperatures ( o 1000 1C) [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…Kuznetsov et al [9] electrolytically prepared silicon coating on a Mo sample using mixed molten salt of NaClKCl-NaF-K 2 SiF 6 -Si at 850-1000 1C. However, the molten salt system usually contains complicated composition and needs multi-step preparation.…”

Section: Introductionmentioning

confidence: 99%

In-situ synthesis of MoSi2 coating on molybdenum substrate by electro-deoxidation of a SiO2 layer in molten salt

Dai

Zhou

et al. 2015

Ceramics International

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“…The arc region is protected by a kind of inert gas or a mixture of inert gases. The tungsten electrode is heated to temperatures high enough for the emission of the necessary electrons for the operation of the arc [6] [9,10]. There is not enough study about the FeMoB alloys used for surface alloying treatments.…”

Section: Introductionmentioning

confidence: 99%

Wear Properties of the Surface Alloyed AISI 1020 Steel with Fe_(15-x)Mo_xB₅by TIG Welding Technique

Abakay

Şen

2014

Acta Phys. Pol. A

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Surface alloying caused the improvement in the mechanical/chemical properties of near surface regions of the steels. In the present study, surface alloying treatment with boron, molybdenum, and iron on the AISI 1020 steel was realized by the technique of TIG welding. Ferrous boron, ferrous molybdenum, and Armco iron were used for surface alloying treatment. Before the treatment, ferrous alloys were ground and sieved to be smaller than 45 µm. The powders were mixed to be composed of Fe (15−x) MoxB5, where x = 1, 3, and 5 (by at.%). Prepared powders were pressed on the steel substrate and melted by TIG welding for surface alloying. Wear tests of the surface alloyed AISI 1020 steels were realized against WCCo ball using by ball-on-disk method under the loads of 2.5, 5, and 10 N at the sliding speeds of 0.1 m/s for 250 m sliding distance. Friction coecient and wear rates of the surface alloyed steel with Fe (15−x) MoxB5 alloy powder are changing between 0.30 and 0.80 and 5.86 × 10 −5 mm 3 /m to 2.52 × 10 −3 mm 3 /m depending on applied load and alloy composition, respectively.

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Synthesis of molybdenum borides and molybdenum silicides in molten salts and their oxidation behavior in an air–water mixture

Cited by 35 publications

References 13 publications

Preparation and Characterization of MoB Coating on Mo Substrate

Preparation and Characterization of MoB Coating on Mo Substrate

In-situ synthesis of MoSi2 coating on molybdenum substrate by electro-deoxidation of a SiO2 layer in molten salt

Wear Properties of the Surface Alloyed AISI 1020 Steel with Fe_(15-x)Mo_xB₅by TIG Welding Technique

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Synthesis of molybdenum borides and molybdenum silicides in molten salts and their oxidation behavior in an air–water mixture

Cited by 35 publications

References 13 publications

Preparation and Characterization of MoB Coating on Mo Substrate

Preparation and Characterization of MoB Coating on Mo Substrate

In-situ synthesis of MoSi2 coating on molybdenum substrate by electro-deoxidation of a SiO2 layer in molten salt

Wear Properties of the Surface Alloyed AISI 1020 Steel with Fe(15-x)MoxB5by TIG Welding Technique

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Wear Properties of the Surface Alloyed AISI 1020 Steel with Fe_(15-x)Mo_xB₅by TIG Welding Technique