Spray drying is a widely used method of converting liquid material (aqueous or organic
solutions, emulsions and suspensions) into a dry powder. Good flowability, narrow size …

Abstract Silicon nitride (Si 3 N 4) ceramics were fabricated by gas pressure sintering (GPS)
using four sintering additives: Y 2 O 3–MgO, Y 2 O 3–MgF 2, YF 3–MgO, and YF 3–MgF 2 …

The sintering aids play an important role in affecting the properties of porous Si 3 N 4
ceramics. However, there are few researches on the properties of porous Si 3 N 4 ceramics …

Si 3 N 4 ceramics were sintered at 1900° C under a nitrogen pressure of 1 MPa using Y 2 O
3-MgO additives. The effects of Y 2 O 3 content (0.5-4 mol%) on microstructure and thermal …

Abstract Silicon nitride (Si3N4) was prepared from silicon by a sintered reaction‐bonded
silicon nitride method using yttria and magnesia as sintering additives. Post‐sintering (PS) of …

Fracture toughness of silicon nitride (Si 3 N 4) ceramics with different grain boundary
characteristics was determined from their microstructural images via a convolutional neural …

Abstract Silicon nitride (Si 3 N 4) ceramics were prepared by gas-pressure sintering using Y
2 O 3–MgSiN 2 as a sintering additive. The densification behavior, phase transition, and …

The enhanced technology of laser surface modification was developed to improve the
mechanical properties of Cu/Si 3 N 4 AMB joints in this work. The application of laser …

The rapid development of third-generation semiconductors urgently requires ceramic
substrates with excellent performance. In this work, silicon nitride (Si 3 N 4) ceramics were …

In order to fabricate Si 3 N 4 ceramic with enhanced thermal conductivity, 93 mol% α-Si 3 N
4-2 mol% Yb 2 O 3-5 mol% MgO powder mixture was doped with 5 mol% carbon, and …