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Закоржевский, В. В.; Borovinskaya, I. P.; Сачкова, Н. В.

doi:10.1023/a:1020966500032

Cited by 41 publications

(20 citation statements)

References 7 publications

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“…Initial powder of β-Si 3 N 4 was prepared by self-propagating high-temperature synthesis at the Institute of Structural Macrokinetics and Materials Science RAS (Chernogolovka) [12].…”

Section: Methodsmentioning

confidence: 99%

Synthesis of oxide and nitride ceramics in high-power gyrotron discharge

Ахмадуллина

Скворцова

Obraztsova

et al. 2017

J. Phys.: Conf. Ser.

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Abstract. Synthesis of oxides, nitrides, and oxynitrides of silicon and aluminium by a pulsed microwave discharge in the mixtures of metal and dielectric powders is described. The microwave pulses were generated by high-power gyrotron (frequency 75 GHz, power up to 550 kW, pulse duration from 0.1 to 15ms). SiO 2 + β-Si 3 N 4 (1:1 by molar) and α-Al 2 O 3 + AlN (2:1 by molar) mixtures with Mg (1 and 5wt%) were treated in air with microwave pulses with power of 250÷400 kW and duration of 2÷8 ms. It was found that the discharge cannot be initiated for both mixtures in absence of Mg at any pulse power and duration. When 1% of Mg was added, the discharge was observed for both mixtures under 8 ms pulses of 400 kW; however, the amounts of materials produced were not enough for analysis. With 5% of Mg the discharge was observed for both mixtures under 8 ms pulses of 350 kW, and products of the plasma-chemical processes in the Al 2 O 3 + AlN mixture were analyzed.

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“…Initial powder of β-Si 3 N 4 was prepared by self-propagating high-temperature synthesis at the Institute of Structural Macrokinetics and Materials Science RAS (Chernogolovka) [12].…”

Section: Methodsmentioning

confidence: 99%

Synthesis of oxide and nitride ceramics in high-power gyrotron discharge

Ахмадуллина

Скворцова

Obraztsova

et al. 2017

J. Phys.: Conf. Ser.

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show abstract

“…Aluminum nitride (AlN) and titanium nitride (TiN) are also ceramic materials with high melting point, good hardness and chemical stability, so AlN and TiN ceramic have received extensive attention and many researchers prepared by combustion synthesis [12,13]. The reported results show that the powder mixture with the Al:TiB 2 molar ratio of 5:1 has excellent combustion characteristics and mechanical properties [14].…”

Section: Introductionmentioning

confidence: 99%

Microstructure, mechanical properties and thermal shock behavior of h-BN–AlN ceramic composites prepared by combustion synthesis

Zheng

Han

et al. 2011

Journal of Alloys and Compounds

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“…Shi). developed for synthesis of pure AlN powder [11][12][13][14]. However, since the high thermal-gradient and fast reaction speed in the CS process, the morphology of the AlN product was difficult to control and often consists of various grain morphologies [4,[15][16][17] (agglomerated particles, whiskers, faceted particles, rods, pyramids, etc.…”

Section: Introductionmentioning

confidence: 99%