Effect of Tb4O7 content on the optical and mechanical properties of transparent ceramics based on MgAl2O4

Abstract

Transparent magnesium aluminate spinel (MgAl₂O₄, MAS) ceramics doped with different Tb4O7 concentrations from 0,1 to 5 wt% were fabricated by Spark Plasma Sintering (SPS) technique at temperature 1300 °C and uniaxial pressure 140 MPa. The diffuse transmittance of the undoped and Tb4O7-doped MAS-ceramics samples in visible spectral range reaches 65,32% and 54,7% (at λ = 600 nm) respectively. The microhardness varies from 16,62 ± 0,46 to 17,29 ± 0,34 GPa. The effect of terbium oxide on the optical and mechanical properties of MgAl₂O₄-based transparent ceramics is discussed.

Original language	English
Pages (from-to)	2089-2092
Number of pages	4
Journal	Materials Today: Proceedings
Volume	19
DOIs	https://doi.org/10.1016/j.matpr.2019.07.102
Publication status	Published - 2019
Event	2019 International Conference on Modern Trends in Manufacturing Technologies and Equipment, ICMTMTE 2019 - Sevastopol, Russian Federation Duration: 9 Sep 2019 → 13 Sep 2019

Keywords

Mechanical properties
MgAlO (MAS) transparent ceramics
Optical properties
Spark plasma sintering (SPS)
Terbium oxide

ASJC Scopus subject areas

Materials Science(all)

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10.1016/j.matpr.2019.07.102

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@article{437f91e83cca4d289be45ecf65971233,

title = "Effect of Tb4O7 content on the optical and mechanical properties of transparent ceramics based on MgAl2O4",

abstract = "Transparent magnesium aluminate spinel (MgAl2O4, MAS) ceramics doped with different Tb4O7 concentrations from 0,1 to 5 wt% were fabricated by Spark Plasma Sintering (SPS) technique at temperature 1300 °C and uniaxial pressure 140 MPa. The diffuse transmittance of the undoped and Tb4O7-doped MAS-ceramics samples in visible spectral range reaches 65,32% and 54,7% (at λ = 600 nm) respectively. The microhardness varies from 16,62 ± 0,46 to 17,29 ± 0,34 GPa. The effect of terbium oxide on the optical and mechanical properties of MgAl2O4-based transparent ceramics is discussed.",

keywords = "Mechanical properties, MgAlO (MAS) transparent ceramics, Optical properties, Spark plasma sintering (SPS), Terbium oxide",

author = "Paygin, {V. D.} and Dvilis, {E. S.} and Khasanov, {O. L.} and Stepanov, {S. A.} and Valiev, {D. T.}",

year = "2019",

doi = "10.1016/j.matpr.2019.07.102",

language = "English",

volume = "19",

pages = "2089--2092",

journal = "Materials Today: Proceedings",

issn = "2214-7853",

publisher = "Elsevier Limited",

note = "2019 International Conference on Modern Trends in Manufacturing Technologies and Equipment, ICMTMTE 2019 ; Conference date: 09-09-2019 Through 13-09-2019",

}

TY - JOUR

T1 - Effect of Tb4O7 content on the optical and mechanical properties of transparent ceramics based on MgAl2O4

AU - Paygin, V. D.

AU - Dvilis, E. S.

AU - Khasanov, O. L.

AU - Stepanov, S. A.

AU - Valiev, D. T.

PY - 2019

Y1 - 2019

N2 - Transparent magnesium aluminate spinel (MgAl2O4, MAS) ceramics doped with different Tb4O7 concentrations from 0,1 to 5 wt% were fabricated by Spark Plasma Sintering (SPS) technique at temperature 1300 °C and uniaxial pressure 140 MPa. The diffuse transmittance of the undoped and Tb4O7-doped MAS-ceramics samples in visible spectral range reaches 65,32% and 54,7% (at λ = 600 nm) respectively. The microhardness varies from 16,62 ± 0,46 to 17,29 ± 0,34 GPa. The effect of terbium oxide on the optical and mechanical properties of MgAl2O4-based transparent ceramics is discussed.

AB - Transparent magnesium aluminate spinel (MgAl2O4, MAS) ceramics doped with different Tb4O7 concentrations from 0,1 to 5 wt% were fabricated by Spark Plasma Sintering (SPS) technique at temperature 1300 °C and uniaxial pressure 140 MPa. The diffuse transmittance of the undoped and Tb4O7-doped MAS-ceramics samples in visible spectral range reaches 65,32% and 54,7% (at λ = 600 nm) respectively. The microhardness varies from 16,62 ± 0,46 to 17,29 ± 0,34 GPa. The effect of terbium oxide on the optical and mechanical properties of MgAl2O4-based transparent ceramics is discussed.

KW - Mechanical properties

KW - MgAlO (MAS) transparent ceramics

KW - Optical properties

KW - Spark plasma sintering (SPS)

KW - Terbium oxide

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U2 - 10.1016/j.matpr.2019.07.102

DO - 10.1016/j.matpr.2019.07.102

M3 - Conference article

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VL - 19

SP - 2089

EP - 2092

JO - Materials Today: Proceedings

JF - Materials Today: Proceedings

SN - 2214-7853

T2 - 2019 International Conference on Modern Trends in Manufacturing Technologies and Equipment, ICMTMTE 2019

Y2 - 9 September 2019 through 13 September 2019

ER -

Effect of Tb₄O₇ content on the optical and mechanical properties of transparent ceramics based on MgAl₂O₄

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Keywords

ASJC Scopus subject areas

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