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Article
Study of the evolution of nanopores and microstructural degradation of fine-grained YSZ–NiO(Ni) anode materials in a hydrogen sulfide containing atmosphere
The formation of solid oxide fuel cell (SOFC) anode structure resistible against degradation in operating environments is a relevant task while improving SOFC models. This work is aimed at studying the effect ...
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Chapter and Conference Paper
Investigation of Long-Term Oxidation Resistance of Titanium Alloys with a Coating Based on Ti–Al-C System Nanocomposites
Physical and mechanical properties of thin sheets (0.5 mm) of titanium grades VT1-0 and OT4-1 in the operating conditions of intermedium-temperature fuel cell were compared. It is established that the heat and...
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Chapter and Conference Paper
The Effect of Sintering Temperature on Crack Growth Resistance Characteristics of Fine-Grained Partially Stabilized Zirconia Determined by Various Test Methods
Zirconium oxide (zirconia) is widely used as a structural material in various applications. However, upon heating, zirconia undergoes disruptive phase changes. By adding small percentages of yttria, these phas...
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Chapter and Conference Paper
The Effect of Ultra-fine Alloying Elements on High-Temperature Strength and Fracture Toughness of Ti–Si–X and Ti–Cr–X Composites
In contrast to conventional titanium alloys, an operating temperature of which is limited by 300–500 °C, advanced Ti-based composites possess high fracture toughness and strength under bend and tensile loading...
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Chapter and Conference Paper
Estimation of the Role of Nanosized Stabilizing Powders in Gaining High-Level Crack Growth Resistance of Partially Stabilized Zirconia
Nowadays, zirconium oxide (ZrO2) is widely used for applications in high temperature structural materials. These materials may have applications such as cracking furnaces, catalytic cracking units, fired heaters,...
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Article
Study of the degradation of a fine-grained YSZ–NiO anode material during reduction in hydrogen and reoxidation in air
In this work, the high-temperature reduction of nickel oxide and reoxidation of metallic nickel in the YSZ–NiO anode material have been studied. As-sintered material (of mode 1) manufactured by tape casting un...
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Chapter and Conference Paper
Influence of Magnesium and Chrome on the Microstructure and Properties of the Al–Mg–Sc System as—Cast Alloys
The effect of magnesium content reduction and chromium alloying on the microstructure, phase composition, strength, and plasticity, as well as the corrosion resistance of the Al–Mg–Sc system as cast alloys obt...
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Chapter and Conference Paper
Some Reasons of the Degradation of a Fine-Grained YSZ–NiO Anode Material During Intense Reduction and Reoxidation
This work is aimed at studying the high-temperature reduction of nickel oxide and reoxidation of metallic nickel in a fine-grained YSZ–NiO anode material. The YSZ–NiO anode substrates were manufactured by tape...
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Article
Study of nanostructural changes in a Ni-containing cermet material during reduction and oxidation at 600 °C
In this work, the nanostructural changes in a Ni/NiO cermet material, during its reduction and oxidation at 600 °C have been studied. A series of the NiO ceramic specimens (mode 1) were undergone to the next t...
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Chapter
Development of the Concept of a Spheroidal Shape Anode for a Solid Oxide Fuel Cell
Stress and strain distributions in the YSZ–NiO spheroidal shape anode-substrate for a solid oxide fuel cell (SOFC) under the pressure of an operating environment were calculated using the finite element analys...
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Article
Open AccessPreconditioning of the YSZ-NiO Fuel Cell Anode in Hydrogenous Atmospheres Containing Water Vapor
The YSZ–NiO ceramics for solid oxide fuel cells (SOFCs) anode have been investigated. A series of specimens were singly reduced in a hydrogenous atmosphere (Ar–5 vol% H2 mixture) at 600 °C under the pressure of 0...
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Article
Open AccessInfluence of Treatment Temperature on Microstructure and Properties of YSZ–NiO Anode Materials
The cyclic treatment technique (redox cycling) comprising stages of material exposition in reducing and oxidizing high-temperature environments and intermediate degassing between these stages has been develope...
