The effect of manganese additions on the high temperature oxidation behaviour of the high-vanadium cast iron

Chen, Pinghu; Li, Ruiqing; Li, Xiaoqian

doi:10.1016/j.jallcom.2018.07.113

Cited by 8 publications

(3 citation statements)

References 22 publications

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“…This is because the Fe 2+ diffuses to the outside, being oxidized to form Fe x O y on the interface between the oxide film and the atmosphere, which leads to the oxide film growing outwards gradually and the size of the sample increasing. Meanwhile, as O 2− diffuses inward through the oxide layer and Fe 2+ and Si 4+ diffuse outward, FeO and Fe 2 SiO 4 are generated at the metal-oxide film interface, so the passivation layer can gradually grow inward [10,11,12,13].…”

Section: Resultsmentioning

confidence: 99%

Research on the Oxidation Mechanism of Vermicular Graphite Cast Iron

Guo

Yang

Guo³

et al. 2019

Materials

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The oxidation mechanism of vermicular graphite cast iron was studied. The oxidation reaction starts from graphites and diffused slowly. Graphites in vermicular graphite are interconnected, coral-like clusters, providing the main oxidation core and channel. The worm-like graphites on the surface are mostly oxidized and form oxide affected zones. The oxide films are composed of a loose oxide layer with the phases of Fe3O4, Fe2O3, and FeO, and a dense passivation layer with FeO and Fe2SiO4. After oxidation, pearlites in the vermicular graphite cast iron are decomposed into ferrite and cementite at high temperatures.

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Section: Resultsmentioning

confidence: 99%

Research on the Oxidation Mechanism of Vermicular Graphite Cast Iron

Guo

Yang

Guo³

et al. 2019

Materials

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“…To explore the bonding between the coatings and substrate, an individual oxidation test was performed in an electric resistance furnace, similar to the test reported in Ref. [29]. Firstly, the furnace temperature was heated and stabilized at 700 • C. Secondly, the samples were placed in the furnace for holding times of 5 and 10 h, and the surface characteristics after high-temperature oxidation were characterized using a digital camera.…”

Section: Methodsmentioning

confidence: 99%

A Comparison Study on the Microstructure, Mechanical Features, and Tribological Characteristics of TiN Coatings on Ti6Al4V Using Different Deposition Techniques

Liu,

Ren,

et al. 2024

Coatings

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Titanium alloys are considered lightweight alloys and are widely applied across various industries. However, their low hardness, poor wear resistance, and limited oxidation resistance restrict their prospects for wider application. In this paper, nitride coatings were prepared using three preparation processes, namely laser surface nitriding (LSN), physical vapor deposition (PVD), and plasma ion implantation (PII). Their microstructure, microhardness, tribological behavior, and high-temperature oxidation characteristics were compared. The experimental results revealed that nitrided coatings were successfully prepared using the three methods. However, a comparison of these data shows that the LSN coating exhibited superior comprehensive performance. It achieved the maximum thickness within the shortest preparation time: the thickness was about 280 μm and the deposition rate of the LSN method was 2250 and 90,000 times higher than those of the PVD and PII methods. Nitrides have high hardness, but the carrying capacity could be attributed to the thickness of the coatings: the PVD coating could withstand a force of 500 g, while the PII coating only withstood a force of less than 25 g. In addition, as hardness is the most important factor for excellent wear resistance, the average volumetric wear rate of the LSN and PVD coatings was about 9 × 10−6 mm3/m·N, and their relative wear resistance was 49.2 times that of Ti6Al4V. Meanwhile, the excellent bond between the LSN coating and the substrate was evidenced by a high-temperature oxidation test during a rapid heating–cooling cycle.

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“…According to our knowledge, the rare earth elements have a significant effect on the high temperature oxidation capacity of heat resistant steel [8,10]. Generally, the research on high temperature oxidation resistance of rare earth steel are mainly discussed from the aspects of oxide morphology, oxide growth rate, oxide phase composition and oxide film structure under high temperature [11][12][13]. Besides, the addition of rare earth elements could cause preferentially selective oxidation of certain oxides [10].…”

Section: Introductionmentioning

confidence: 99%

High temperature oxidation behavior of heat resistant steel with rare earth element Ce

Wang¹,

Zheng²,

Zheng³

et al. 2020

Mater. Res. Express

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This study examined the oxidation properties of rare earth steel at high temperatures (600°C-900°C) in the air atmosphere by using Scanning Electronic Microscope (SEM) with an energy dispersive spectroscopy (EDS), x-ray diffraction analyzer (XRD) and atomic force microscopy (AFM) analysis method. High temperature oxidation experiment showed that rare earth element Ce played a very good antioxidant effect with the increasing oxidation temperature. After continuous oxidation at 600°C, 700°C, 800°C and 900°C for 150 h, the mass gain of the rare earth steel were 1.25 mg cm −2 , 2.41 mg cm −2 , 12.34 mg cm −2 , and 13.37 mg cm −2 , respectively. In comparison, the matrix steel under the same conditions were 1.31 mg cm −2 , 2.94 mg cm −2 , 13.98 mg cm −2 , and 15.63 mg cm −2 , respectively. AFM features of the oxidized surface confirmed that the rare earth element Ce could inhibit the growth rate of the oxide in the early stage of oxidation, and preferentially promote the formation of the spinel oxide. The surface-dense spinel oxide (Fe, Cr, Ni, Mn) 3 O 4 , the enrichment of Cr-containing layer in the middle, and the formation of the Si-rich oxide in the inner layer all affected the high-temperature oxidation resistance of the rare earth steel.

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The effect of manganese additions on the high temperature oxidation behaviour of the high-vanadium cast iron

Cited by 8 publications

References 22 publications

Research on the Oxidation Mechanism of Vermicular Graphite Cast Iron

Research on the Oxidation Mechanism of Vermicular Graphite Cast Iron

A Comparison Study on the Microstructure, Mechanical Features, and Tribological Characteristics of TiN Coatings on Ti6Al4V Using Different Deposition Techniques

High temperature oxidation behavior of heat resistant steel with rare earth element Ce

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