High hydrostatic pressure influence on the properties and tendency to agglomeration of ZrO2 grains of the Al2O3-YSZ composite ceramics system

被引：5

作者：

Maletskyi, A. V. ^{[1
]}

Konstantinova, T. E. ^{[1
]}

Volkova, G. K. ^{[1
]}

Belichko, D. R. ^{[1
]}

Doroshkevich, A. S. ^{[1
,2
]}

Popov, E. ^{[2
,3
,4
]}

Cornei, N. ^{[5
]}

Jasinska, B. ^{[6
]}

Mezentseva, Zh. V. ^{[2
]}

Tatarinova, A. A. ^{[2
,7
]}

Mirzayev, M. N. ^{[2
,8
]}

Khiem, L. H. ^{[9
,10
]}

Ristic, I. ^{[11
]}

Teofilovic, V. ^{[11
]}

Balvanovic, R. ^{[12
,13
,14
]}

机构：

[1] Donetsk Inst Phys & Engn Named OO Galkin, UA-03028 Donetsk, Ukraine

[2] Joint Inst Nucl Res, Dubna 141980, Moscow, Russia

[3] Bulgarian Acad Sci, Inst Solid State Phys, Sofia 1784, Bulgaria

[4] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia 1784, Bulgaria

[5] Alexandru Ioan Cuza Univ, Fac Chem, Bld Carol I, 11, Iasi 700506, Romania

[6] Inst Phys, Mar Curie Sk lodowska, Plac Marii Curie Sk lodowskiej, 520-031, Lublin, Poland

[7] St Petersburg Min Univ, St Petersburg 199106, Russia

[8] ANAS Inst Radiat Problems, Baku 1143, Azerbaijan

[9] Vietnam Acad Sci & Technol, Inst Phys, Hanoi City, Vietnam

[10] Grad Univ Sci & Technol, Vietnam Acad Sci & Technol, Hanoi City, Vietnam

[11] Univ Novi Sad, Fac Technol Novi Sad, Bul Cara Lazara 1, Novi Sad 21000, Serbia

[12] Univ Belgrade, Archaeol Dept, Belgrade, Serbia

[13] Natl Museum, Belgrade, Serbia

[14] Natl Museum, Pozarevac, Serbia

来源：

CERAMICS INTERNATIONAL | 2023年 / 49卷 / 10期

关键词：

Metastable phases; Composites; High hydrostatic pressure; Vacancies; YSZ; MECHANICAL-PROPERTIES; ALUMINA; TRANSFORMATION; ZIRCONIA; SIZE;

D O I：

10.1016/j.ceramint.2023.01.202

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The results of studying the influence of high hydrostatic pressure (HHP) on the structure formation and prop-erties of composite ceramics of the Al2O3-ZrO2 + 3mol% Y2O3 (YSZ) system, based on the metastable Al2O3 phase, are presented in this work. The phase composition of the powders, the structure, physical and mechanical properties of the Al2O3 -YSZ ceramics were studied taking into account the YSZ concentration and the pressing pressure. We have found that various crystallization processes occur during the sintering of ceramics and two types of structure are realized: aggregate-hardened and disperse-hardened, depending on the HHP value. It is shown that the processing of compacts under HHP conditions at 600-700 MPa prevents the formation of ag-glomerates of YSZ grains in the intergranular space of Al2O3, and the maximum values of physical and me-chanical characteristics are achieved at concentrations of 10 and 15% YSZ and HHP values of 700 MPa.

引用

页码：16044 / 16052

页数：9

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