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Metals
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High Temperature Corrosion or Oxidation of Metals and Alloys (2nd...
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High Temperature Corrosion or Oxidation of Metals and Alloys (2nd Edition)

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Corrosion and Protection".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 5858

Special Issue Editor

Dr. Guangming Cao

E-Mail Website
Guest Editor
The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China
Interests: high temperature corrosion; structure transformation; iron oxide scale; numerical analysis and prediction
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Metals is launching a new Special Issue entitled “High Temperature Corrosion or Oxidation of Metals and Alloys (2nd Edition)”. The Special Issue will provide a platform for presenting the latest experimental and theoretical results in this innovative field. The research is not limited to the results from the laboratory and can also include the evaluation of the experimental results of metals or alloys that have been produced in large quantities. The Special Issue covers the formation of oxidation or corrosion phases, phase transformation behavior, mechanism models and numerical analyses. We especially appreciate innovative studies on overcoming the oxidation or corrosion mechanism models and prediction with value or image data in industrial production.

I would be delighted if you would be willing to contribute an original or review article to this Special Issue.

Dr. Guangming Cao
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • high-temperature corrosion
  • high-temperature oxidation
  • structure transformation
  • iron oxide scale
  • numerical analysis and prediction

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Published Papers (4 papers)

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Research

17 pages, 38110 KiB  
Article
Barrier Properties of Cr/Ta-Coated Zr-1Nb Alloy under High-Temperature Oxidation
by Maxim Sergeevich Syrtanov, Stepan Pavlovich Korneev, Egor Borisovich Kashkarov, Dmitrii Vladimirovich Sidelev, Evgeny Nikolaevich Moskvichev and Viktor Nikolaevich Kudiiarov
Metals 2024, 14(6), 645; https://doi.org/10.3390/met14060645 - 29 May 2024
Cited by 1 | Viewed by 825
Abstract
In this paper, Cr (8 μm)/Ta (3 μm) bilayer coatings deposited on a Zr-1Nb alloy substrate were investigated and compared with a Cr-coated alloy under high-temperature steam oxidation at 1200–1400 °C. The bilayer coatings with α- and β-Ta interlayers were obtained by magnetron [...] Read more.
In this paper, Cr (8 μm)/Ta (3 μm) bilayer coatings deposited on a Zr-1Nb alloy substrate were investigated and compared with a Cr-coated alloy under high-temperature steam oxidation at 1200–1400 °C. The bilayer coatings with α- and β-Ta interlayers were obtained by magnetron sputtering. The Cr/Ta-coated samples were studied using scanning electron microscopy (SEM), X-ray diffraction (XRD), and optical microscopy (OM). The coating with an α-Ta interlayer can suppress the interdiffusion of chromium and zirconium more effectively up to 1330 °C in comparison with the coating having a β-Ta interlayer. The weight gain of the α-Ta-coated samples after oxidation at 1200 °C for 2000 s was 5–6 times lower than that of the Cr-coated Zr alloy samples. Oxidation at 1400 °C for 120 s showed no significant difference in the weight gain of the Cr- and Cr/Ta-coated Zr-1Nb alloy samples. It was shown that the effect of suppression of Zr-Cr interdiffusion by the barrier coating (α- and β-Ta) is only short-term. Full article
(This article belongs to the Special Issue High Temperature Corrosion or Oxidation of Metals and Alloys (2nd Edition))
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23 pages, 22249 KiB  
Article
High-Temperature Oxidation and Microstructural Changes of Al0.75CoCrFeNi High-Entropy Alloy at 900 and 1100 °C
by Akhmad Ardian Korda, Mohamad Ali Akbar, Fadhli Muhammad, Tria Laksana Achmad, Budi Prawara, Djoko Hadi Prajitno, Bagus Hayatul Jihad, Muhamad Hananuputra Setianto and Eddy Agus Basuki
Metals 2024, 14(1), 33; https://doi.org/10.3390/met14010033 - 28 Dec 2023
Cited by 2 | Viewed by 2005
Abstract
The development of high-entropy alloys (HEAs) for high-temperature applications has been driven by the limitation of nickel-based superalloys in achieving optimal efficiency at higher temperatures for higher efficiency in power generation engines. The alloys must have high oxidation resistance and microstructural stability at [...] Read more.
The development of high-entropy alloys (HEAs) for high-temperature applications has been driven by the limitation of nickel-based superalloys in achieving optimal efficiency at higher temperatures for higher efficiency in power generation engines. The alloys must have high oxidation resistance and microstructural stability at high temperatures. Relatively equimolar multi elements involved in HEAs produce microstructure containing a single solid solution or multiphase that improves the mechanical properties and oxidation resistance resulting from sluggish diffusion and core effects. In this study, the oxidation behavior and microstructural changes of Al0.75CoCrFeNi HEA at 900, 1000, and 1100 °C in air atmosphere were investigated. Based on the XRD and SEM-EDS analysis, the mechanism of oxide scale formation and microstructural changes of the substrate are proposed. The results show that the oxidation behavior of the alloy follows a logarithmic rate law. Different oxide compounds of CoO, NiO, Cr2O3, and CrO3, θ-Al2O3, α-Al2O3, and Ni(Cr,Al)2O4 with semicontinuous oxides of Al2O3 with Cr2O3 subscale and an oxide mixture consisting of spinel of Ni(Cr,Al)2O4 and Co(Cr,Al)2O4 were found. During oxidation, Widmanstätten of FCC-A1 and BCC-B2/A2 phases in the substrate have changed. Spheroidization of B2 and a reduction in volume fraction decrease the hardness of the substrates. Full article
(This article belongs to the Special Issue High Temperature Corrosion or Oxidation of Metals and Alloys (2nd Edition))
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13 pages, 4505 KiB  
Article
Improvement of the Oxidation Resistance of FeMnSiCrNi Alloys with a Pre-Oxidation Treatment
by João Gabriel da Cruz Passos, Rodrigo da Silva, Carlos Alberto Della Rovere and Artur Mariano de Sousa Malafaia
Metals 2023, 13(12), 1928; https://doi.org/10.3390/met13121928 - 23 Nov 2023
Cited by 1 | Viewed by 1069
Abstract
Shape-memory Mn-rich austenitic stainless steels have a low high-temperature oxidation resistance because Mn tends to inhibit the formation of protective oxides. Mn depletion from oxidation also creates a ferritic Mn-depleted layer. A Mn-depleted layer formed via vacuum annealing has been associated with increased [...] Read more.
Shape-memory Mn-rich austenitic stainless steels have a low high-temperature oxidation resistance because Mn tends to inhibit the formation of protective oxides. Mn depletion from oxidation also creates a ferritic Mn-depleted layer. A Mn-depleted layer formed via vacuum annealing has been associated with increased oxidation resistance. Thus, in the present study, a Mn-depleted layer was created with a pre-oxidation treatment conducted at 1000 °C for 30 min. Then, pre-treated and untreated samples were oxidized at 800 °C for up to 200 h. The resulting oxide layers were analyzed, as well as the metal/oxide interface roughness and the ferritic layer thickness. After pre-treatment, a 9 μm thick ferritic layer as well as an oxide layer richer in Cr-containing oxides than those usually observed in FeMnSiCrNi alloys oxidized at 800 °C were detected. After 200 h at 800 °C, the metal/oxide interface roughness of pre-treated samples was considerably lower. The oxidation rate of pre-treated samples was one order of magnitude lower for the first 50 h, but the effect significantly decreased afterward. The pre-existing ferritic layer was unable to stop Mn-rich oxides from being incorporated into the oxide layer, making its effect short-lived. Full article
(This article belongs to the Special Issue High Temperature Corrosion or Oxidation of Metals and Alloys (2nd Edition))
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22 pages, 8945 KiB  
Article
Study on High-Temperature Oxidation Behavior of Platinum-Clad Nickel Composite Wire
by Yongtai Chen, Saibei Wang, Shangqiang Zhao, Youcai Yang, Aikun Li, Jieqiong Hu, Jiheng Fang, Xiaoyu Chong and Ming Xie
Metals 2023, 13(7), 1264; https://doi.org/10.3390/met13071264 - 13 Jul 2023
Viewed by 1461
Abstract
Platinum-clad nickel composite wires with platinum layer thicknesses of 5 μm and 8 μm were prepared by a cladding drawing process. Oxidation experiments were performed using a muffle furnace at temperatures of 500 °C, 600 °C, 700 °C, and 800 °C for 1 [...] Read more.
Platinum-clad nickel composite wires with platinum layer thicknesses of 5 μm and 8 μm were prepared by a cladding drawing process. Oxidation experiments were performed using a muffle furnace at temperatures of 500 °C, 600 °C, 700 °C, and 800 °C for 1 h, 2 h, and 3 h. The oxidized samples were examined for high-temperature oxidation behavior using scanning electron microscopy (SEM) with an energy-dispersive X-ray (EDX) spectrometer attached. The results showed that the interface bond between the platinum cladding and the nickel core wire was serrated and that the thickness of the platinum cladding was not uniform. At low temperatures (500 °C and 600 °C), the diffusion rate of the nickel was low. The composite wire could be used for a short time below 600 °C. When the temperature reached 700 °C and above, the nickel diffused to the surface of the composite wire and was selectively oxidized to form a nickel oxide layer. The research results provide a theoretical reference for the selection of a service temperature for platinum-clad nickel composite wires used as the lead material for thin-film platinum resistance temperature sensors. Full article
(This article belongs to the Special Issue High Temperature Corrosion or Oxidation of Metals and Alloys (2nd Edition))
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