High Porosity Alumina as Matrix Material for Composites of Al-Mg Alloys

Gömze, László A.; Gömze, Ludmila N.; Egész, Ádám; Ojima, Fumihiko

doi:10.1088/1757-899x/47/1/012030

Cited by 2 publications

(2 citation statements)

References 25 publications

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“…Rapid shrinkage of nanocrystalline powders at the nonisothermal sintering stage was already discussed in papers [16,17] where the mechanism of mutual slipping of powder particles and compaction at the cost of recrystallization-induced grain growth are considered as the mass transfer mechanisms.…”

Section: Fig 3 Plot Of Relative Density Vs Compaction Pressure Formentioning

confidence: 99%

Structure and mechanical properties of ZrO2-based systems

Kulkov¹,

Buyakova²,

Gömze³

2014

Epitoanyag - JSBCM

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the structure and phase composition of zirconia-based nanosystems are studied. it is shown that during mechanical activation this nanosystem is divided into two subsystems with the average size of structural elements differing by two orders of magnitude. the fraction of the quasiamorphous (X-ray amorphous) phase therewith increases. through varying the heating rate of such a nanosystem in sintering we may purposefully vary its shrinkage at the stage of isothermal sintering. it is shown that through heating rate variation at sintering of such a nanosystem one can purposefully vary its shrinkage at the isothermal sintering stage. the higher the sintering temperature, the slower the compaction process at the isothermal stage. this allows producing materials with various porosity values but high strength of sintered material. keywords: ceramics, mechano-chemistry, nanostructure, nanocrystalline zro 2 , phase composition, sinteringProf. Sergey N. Kulkov Head of Department of ceramics in the institute of strength Physics and materials science of the russian Academy of science since 1989. He has got scientific degrees "candidate of Physics and mathematical sciences" at tomsk state university in 1981; and "Doctor of Physics and mathematical sciences" in 1990. since 1992 he's working as professor both in tomsk state university and in tomsk Polytechnic university. He has a wide range experiments in research of structural ceramic composites and in development of new material composition and technology of high-tech products. His research works are represented in 5 books, more than 150 articles, 18 patents and many international symposiums and conferences. in 1997 he had a soros Professor grant. At present he is head of chair "theory of strength and mechanic of solids", member of "the American ceramic society" of "the APmi-international" and the DymAt society (France). His scientific activities are the followings: ceramic matrix composites with transformation toughening, transformations and mechanical properties, shockwave treatment of ceramic powders, superplasticity of cmc, ceramic and ceramic reinforced metal fiber with high porosity for medical applications.Prof. Svetlana P. Buyakova Doctor of sciences from 2008, full Professor from 2013. she is specialist in material sciences of ceramic and ceramic matrix composites based on oxides and carbides. she is author and co-author more than 100 papers. three Ph.D. students and one person makes they dissertations under her guidance in period 2010-2013. now, she is chief scientist in isPms rAs and professor in tomsk state university and tomsk Polytechnic university. Her teaching experience: introduction to materials science, Fundamentals of materials engineering, materials and their Applications.Prof. László A. Gömze establisher (in july 1st, 1999) and head of Department of ceramics and silicate engineering in the university of miskolc, Hungary. since then 7 students from the department have successfuly completed their PhD theses and 4 of them were managed by Prof. Gömze...

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Section: Fig 3 Plot Of Relative Density Vs Compaction Pressure Formentioning

confidence: 99%

Structure and mechanical properties of ZrO2-based systems

Kulkov¹,

Buyakova²,

Gömze³

2014

Epitoanyag - JSBCM

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show abstract

“…Generally speaking, the research development in ceramics and especially in ceramic matrix com posite has attracted high interest lately [1][2][3][4][5][6][7][8][9][10], be cause of the ability to synthesis advanced ceramics with superior characteristics and outstanding per formance when compared to polycrystalline ceram ics which normally experience lower mechanical be haviour such as brittle fracture. A number of works have been conducted based on ceramics strengthen ceramicmatrix composites which exhibit improved mechanical properties such as mechanical strength [11], fracture toughness [12], wearresistance and creep resistance [13], moreover, enhancement in some functional characteristic such as optical be havior, magnetic behavior and heat conductivity is also reported [14].…”

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confidence: 99%

Preparation of composite materials based on natural zeolite containing different minerals and their characteristics

Ibrahim¹,

Gömze²

2020

Yushkin Readings — 2020

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High Porosity Alumina as Matrix Material for Composites of Al-Mg Alloys

Cited by 2 publications

References 25 publications

Structure and mechanical properties of ZrO2-based systems

Structure and mechanical properties of ZrO2-based systems

Preparation of composite materials based on natural zeolite containing different minerals and their characteristics

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