Structure Evolution in Al&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt; - ZrO&lt;sub&gt;2&lt;/sub&gt;(Y&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt;) Ceramic Composites during Sintering

Dyatlova, Ya. G.; Ordan’yan, S. S.; Osmakov, Andrey; Pesin, V. A.; Rumyantsev, V. I.

doi:10.4028/www.scientific.net/ast.65.11

Cited by 3 publications

(1 citation statement)

References 6 publications

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“…for crack bridging, and another is the transformation toughening regulated by grain size, grain size distribution, and stabilizing concentrations [21,22]. A stabilized tetragonal zirconia (t-ZrO 2 ) based structural ceramics are extensively utilized in the cutting tool, bearing components, biomedical field, and other various application domains because of their high fracture toughness and strength predicted on martensitic tetragonal to monoclinic (tgm) transformation [23]. However, at room temperature t-ZrO 2 is not stable [24].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Al2O3-ZrO2 ceramic insert in turning process of Ti-6Al-4V alloy using grey Taguchi-based response surface methodology (GT-RSM)

Patel¹,

Patil²

2022

Cerâmica

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The present investigation aimed at a sustainable green turning operation of Ti-6Al-4V alloy using multi-objective optimization of surface roughness, tool flank wear, material removal rate, and tool wear loss with cutting speed, feed rate, and depth of cut as input parameters. The experiments were performed on a CNC lathe machine using an alumina-zirconia (Al 2 O 3 -ZrO 2 ) ceramic insert under a dry machining environment. The experiments were performed to examine the influence of input parameters with three levels and their interactions on the output responses. The experiment trials were designed according to Taguchi's L 25 orthogonal array. A hybrid approach of grey Taguchi-based response surface methodology (GT-RSM) was exposed for estimating the optimal integration of turning parameters. The weights to the output characteristics were assigned by the analytical hierarchy process (AHP). According to the ANOVA, cutting speed was the most influencing factor in the grey relation grade (GRG) succeeded by the depth of cut and feed rate. The optimized turning settings improved the surface roughness, tool flank wear, and tool wear loss by 10.31%, 6.51%, and 7.69% respectively with a 2.21% decrease in material removal rate. The result indicated that the GT-RSM methodology provided an excellent database that was effective to enhance the output quality responses. Keywords: dry machining, alumina-zirconia (Al 2 O 3 -ZrO 2 ) ceramic insert, hybrid methodology, analytical hierarchy process (AHP), ANOVA.

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Section: Introductionmentioning

confidence: 99%

Analysis of Al2O3-ZrO2 ceramic insert in turning process of Ti-6Al-4V alloy using grey Taguchi-based response surface methodology (GT-RSM)

Patel¹,

Patil²

2022

Cerâmica

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Interaction of SiC with Al2O3−(t + m)ZrO2(Y2O3) Oxide Composition

Frolova,

Lysenkov,

Perevislov

et al. 2023

Russ. J. Inorg. Chem.

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Interaction of SiC with Al2O3−(t + m)ZrO2(Y2O3) Oxide Composition

Ivannikov,

Mel’nikov,

Kargin

et al. 2023

Žurnal neorganičeskoj himii

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We employed contact alloying in the range 1000–1860°С to study the reaction specifics between SiC and Al2O3−(t + m)ZrO2(Y2O3) oxide composition. Real-time experiments with photographic recording of the changing size and shape of the Al2O3−(t + m)ZrO2(Y2O3) sample on a SiC ceramic substrate showed that Al2O3−(t + m)ZrO2(Y2O3) compositions react with the silicon carbide substrate in the range 1720–1860°С to melt and penetrate into (impregnate) the substrate. X-ray powder diffraction patterns were measured for samples taken from the contact area of the oxide composition with SiC directly on the substrate and in a chipped-off 1-mm-deep near-surface layer. ZrС, Al2Y4O9, and Al3.21Si0.47 were formed in the contact area via redox reactions involving oxide melt, in addition to 6H-SiC, Si and Al2O3, t-ZrO2 phases, which are the initial components of the substrate and oxide composition, respectively.

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Structure Evolution in Al<sub>2</sub>O<sub>3</sub> - ZrO<sub>2</sub>(Y<sub>2</sub>O<sub>3</sub>) Ceramic Composites during Sintering

Cited by 3 publications

References 6 publications

Analysis of Al2O3-ZrO2 ceramic insert in turning process of Ti-6Al-4V alloy using grey Taguchi-based response surface methodology (GT-RSM)

Analysis of Al2O3-ZrO2 ceramic insert in turning process of Ti-6Al-4V alloy using grey Taguchi-based response surface methodology (GT-RSM)

Interaction of SiC with Al2O3−(t + m)ZrO2(Y2O3) Oxide Composition

Interaction of SiC with Al2O3−(t + m)ZrO2(Y2O3) Oxide Composition

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