Effect of iron impurity on structural development in ball-milled ZrO2–3mol% Y2O3

Sari, A.; Кеддам, М.; Guittoum, A.

doi:10.1016/j.ceramint.2014.09.038

Cited by 15 publications

(9 citation statements)

References 43 publications

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“…This contamination is noted by the color of milled powder and EDX analysis. Although iron is considered as a contaminant, to some extent, its presence may be advantageous as it facilitates the mobility of Y 3+ cations to diffuse into the m-ZrO2 crystal lattice as reported by Sari et al [32].…”

Section: Fig (5): Schematic Diagram Of the Mechanism Of Milling In Pl...mentioning

confidence: 93%

Preparation and Stabilization of Monoclinic Zirconia by Yttria through Mechanical Alloying

eldesouky

El_Kareem

el-aziz³

et al. 2023

Arab Journal of Nuclear Sciences and Applications

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Yttria-stabilized zirconia is a vital material for a variety of high-tech industrial applications. Fully stabilized zirconia is an excellent material for manufacturing of solid electrolyte for solid oxide fuel cell. In the present study, high purity zirconia was successfully synthesized from Egyptian zircon. The produced zirconia was subsequently fully stabilized by 10 mol% yttria via mechanical alloying. Mechanical alloying was conducted in a planetary ball mill with; stainless steel milling assembly, at a rotation speed of 350 rpm, and ball to powder weight ratio of 10. The effect of milling time (up to 32 h) on phase transformation was studied. Characterization of the as prepared zirconia and milled samples was conducted by X-ray diffraction, scanning electron microscopy, and energy dispersive X-ray analysis. The obtained results revealed that, the crystal structure of the prepared zirconia is monoclinic. The degree of stabilization and the level of contamination increase gradually with the course of milling. Under the described conditions, the required time for full stabilization was 32 h. The produced powder is nanocrystalline (13.7 nm) with a submicron particle size.

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Section: Fig (5): Schematic Diagram Of the Mechanism Of Milling In Pl...mentioning

confidence: 93%

Preparation and Stabilization of Monoclinic Zirconia by Yttria through Mechanical Alloying

eldesouky

El_Kareem

el-aziz³

et al. 2023

Arab Journal of Nuclear Sciences and Applications

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“…This material can be used as a buffer layer for growing superconductors and wide-gap semiconductor epitaxial films. 18,135 ZrB 2 , an ultrahightemperature ceramic, is often used with ZrO 2 in hightemperature equipment such as high-temperature electrodes and crucibles. 136 In addition, ZrO 2 -CeO 2 ceramics synthesized by Zdorovets and coworkers 137,138 are expected to be used in nuclear materials.…”

Section: 22mentioning

confidence: 99%

“…[4][5][6] Over the past few decades, extensive research has been conducted on methods for preparing oxide ceramic powders, including both traditional and mechanochemical techniques. Traditional approaches such as solid-phase methods, such as high-temperature solid-phase synthesis 7,8 and molten salt methods, [9][10][11] and liquid-phase methods such as co-precipitation, [12][13][14] sol-gel, [15][16][17][18] and hydrothermal methods, 19,20 have been widely studied. However, these traditional methods often require organic solvents or high-temperature conditions, leading to low reaction efficiency and environmental concerns.…”

Section: Introductionmentioning

confidence: 99%

Mechanochemical synthesis of nanostructured and composite oxide ceramics: From mechanisms to tailored properties

Zhang,

Xu,

Zhang

et al. 2023

Int J Applied Ceramic Tech

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Mechanochemical synthesis is a technology formed in the 1950s. By applying mechanical energy, mechanochemical synthesis stimulates chemical reactions, causing structural and phase changes and enabling difficult or otherwise impossible reactions to occur. Mechanochemical reactions are relatively safe, clean and efficient. At present, the synthesis of oxide ceramic materials by mechanochemical methods has attracted widespread attention. In the production of oxide ceramic materials, the characteristics of ceramic powder have a certain influence on the molding, sintering, microstructure, and mechanical properties of subsequent ceramics. In this paper, the research progress of mechanical chemistry in the synthesis of nanostructures and composite oxide ceramic powders is reviewed. The effects of process parameters such as ball milling time, speed, atmosphere, grinding media, additives, and ball‐to‐powder ratio on reaction kinetics, phase formation, and powder properties are summarized. In addition, challenges and opportunities for ceramic powder synthesis are also discussed.

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“…Tetragonal structure in room temperature is obtained by adding stabilizing elements like magnesium oxide [34], calcium oxide [34], cerium oxide [35,36] or the most common yttrium oxide [37]. Yttria-stabilized zirconia (YSZ) is received by adding 2-9% of Y 2 O 3 to ZrO 2 during the stabilization process to obtain a solid solution [38][39][40].…”

Section: Introductionmentioning

confidence: 99%

The Ultrafine-Grain Yttria-Stabilized Zirconia Reinforced β-Titanium Matrix Composites

Piechowiak

Miklaszewski

Makuch

2021

Metals

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Ti(β) alloys have become an important class in the biomedical field due to low Young’s modulus, excellent physical properties, and biocompatibility. However, their properties, like biocompatibility and, also, low wear resistance, can be still enhanced. To improve those properties, a composites approach can be applied. This research shows a new approach of the composite structure fabrication by powder metallurgy methods which for a stabile yttria-stabilized zirconia (YSZ) reinforcement phase could be obtained in the ultra-fine grain range beta-titanium matrix. In this work, the composites based on ultrafine-grain Ti-xMo (x = 23 wt%, 27 wt%, 35 wt%) alloys with addition 3 wt%, 5 wt% or 10 wt% YSZ, and 1 wt% Y2O3 were fabricated by the mechanical alloying and hot-pressing approach. Obtained composites were characterized in terms of their phase composition, microstructure, Young’s modulus, hardness, surface free energy (SFE), and corrosion resistance. The structure of composites consists of phases based on Ti–Mo, Ti(α), and YSZ. The oxide (YSZ) powder tends to agglomerate during processing, which is revealed in composites based on Ti23Mo and Ti27Mo. However, composites based on Ti35Mo are characterized by a high degree of dispersibility and this influences significantly the hardness value of the composites obtained. Only in the case of composites based on Ti35Mo, the decrease in Young’ Modulus is observed. All composites possess a hydrophilic surface property and good corrosion resistance.

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Effect of iron impurity on structural development in ball-milled ZrO2–3mol% Y2O3

Cited by 15 publications

References 43 publications

Preparation and Stabilization of Monoclinic Zirconia by Yttria through Mechanical Alloying

Preparation and Stabilization of Monoclinic Zirconia by Yttria through Mechanical Alloying

Mechanochemical synthesis of nanostructured and composite oxide ceramics: From mechanisms to tailored properties

The Ultrafine-Grain Yttria-Stabilized Zirconia Reinforced β-Titanium Matrix Composites

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