Cost-effective preparation of high-quality silicon nitride powders from silicon scrap through direct nitridation

K Raju, S Moon, M Kim, HN Kim, HK Lee, J Cho - Ceramics International, 2023 - Elsevier
This work reports a cost-effective and environmentally friendly method for preparing high-
quality and highly-crystalline silicon nitride (Si 3 N 4) powders from silicon (Si) scrap through …

Effects of nitrogen pressure on properties of sintered reaction‐bonded silicon nitride

Y Nakashima, Y Zhou, K Tanabe… - … Journal of Applied …, 2023 - Wiley Online Library
We prepared sintered reaction‐bonded silicon nitride ceramics by using yttria and magnesia
as sintering additives and evaluated the effects of nitrogen pressure (0.1–1.0 MPa) on their …

Effects of heating rate on microstructure and property of sintered reaction bonded silicon nitrides

Y Nakashima, Y Zhou, K Tanabe, S Arima… - Journal of the Ceramic …, 2023 - jstage.jst.go.jp
Silicon nitride (Si3N4) has attracted great interest because of its superior properties, such as
mechanical strength, fracture toughness, thermal conductivity, heat resistance, thermal …

Catalytic Preparation of Si3N4-Bonded SiC Refractories and Their High-Temperature Properties

F Liang, W Zhao, L Lu, H Zhang, Y Bi, J Zhang… - … Materials Transactions A, 2019 - Springer
Abstract Effects of Cr 2 O 3 nanoparticles (NPs) on the catalytic nitridation of Si powders
were investigated, and the results showed that the Cr 2 O 3 NP catalysts enhanced the …

Effect of Y2O3 additive on nitridation of diamond wire silicon cutting waste

L Wang, Y Zhuang, P Xing - International Journal of Applied …, 2023 - Wiley Online Library
The effect of Y2O3 additive on the nitridation of diamond wire silicon cutting waste
(DWSCW) was studied by using X‐ray diffraction, thermo gravimetry, differential thermal …

Controlling the width of particle size distribution of Si powder and properties of sintered reaction-bonded silicon nitride (SRBSN) ceramics with high thermal …

HM Oh, HK Lee - Ceramics International, 2020 - Elsevier
Sintered reaction-bonded silicon nitride (SRBSN) for high-thermal-conductivity ceramic
substrates was fabricated from waste Si scrap. To prepare homogenously sized Si powder …

Effect of Si3N4 diluent on direct nitridation of silicon powder

X Jin, P Xing, Y Zhuang, J Kong, S Jiang, D Wei - Ceramics International, 2019 - Elsevier
To investigate the effect of the Si 3 N 4 diluent on the direct nitridation of silicon powder, the
direct nitridation of silicon powder doped with different contents of α-Si 3 N 4 and β-Si 3 N 4 …

Study on rapid nitridation process of molten silicon by thermogravimetry and in situ Raman spectroscopy

J Yang, P Wu, L Wang, S Zhang… - Journal of the American …, 2022 - Wiley Online Library
The melt of silicon, hindering nitridation for its agglomeration, should be avoided in the direct
nitridation of silicon to synthesize silicon nitride powders, although liquid phase facilitates …

Characterization of porous sintered reaction-bonded silicon nitride containing three different rare-earth oxides

HN Kim, MJ Kim, YJ Park, JW Ko - Journal of the Korean Ceramic Society, 2021 - Springer
The effect of rare-earth oxides on the characteristics of porous sintered reaction-bonded
silicon nitride (SRBSN) was investigated. Three types of raw Si powder mixtures containing …

The effect of silicon particle size on the characteristics of porous sintered reaction bonded silicon nitride

CE Lee, MJ Kim, YJ Park, JW Ko, HN Kim… - International Journal of …, 2021 - Elsevier
The effect of silicon particle size on the β-phase ratio, microstructure and the flexural
strength of porous sintered reaction-bonded silicon nitride (SRBSN) was systematically …