Effect of NH4F additive on purification of AlN ceramics
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-6368-x
Abstract: In order to overcome the purification difficulty of aluminum nitride (AlN) ceramics, the sintering of AlN ceramics with ammonium fluoride (NH4F) as an additive had been studied. The results demonstrate that the addition of NH4F… read more here.
Keywords: additive purification; effect nh4f; aln; oxygen content ... See more keywords
Effect of oxidation on flexural strength and thermal properties of AlN ceramics with residual stress and impedance spectroscopy analysis of defects and impurities
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.03.232
Abstract: Abstract The effect of oxidation in air on the phase composition, microstructure, flexural strength and thermal property of AlN ceramics was investigated. Oxidation was found to produce a continuous oxide layer on the surface of… read more here.
Keywords: flexural strength; spectroscopy; oxidation; aln ceramics ... See more keywords
Material removal mechanism and deformation characteristics of AlN ceramics under nanoscratching
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.07.034
Abstract: Abstract To investigate the fundamental mechanism of the deformation and fracture behavior of aluminum nitride (AlN) ceramics in ultra-precision grinding, single and double scratches of AlN ceramics were carried out using a Berkovich indenter. Depth-displacement… read more here.
Keywords: aln ceramics; double scratches; mechanism deformation; removal ... See more keywords
The influence of the energy of incident protons on the defect formation and radiation resistance of AlN ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Solid State Sciences"
DOI: 10.1016/j.solidstatesciences.2020.106367
Abstract: Abstract The main goal of this work is to study the effect of irradiation with protons with an energy of 0.5–1.5 MeV at a fluence of 1х1017 proton/cm2 on the mechanical and structural properties of AlN ceramics.… read more here.
Keywords: incident protons; energy; surface layer; resistance ... See more keywords
Comparative Study on Electrical Conductivity of CeO2-Doped AlN Ceramics Sintered by Hot-Pressing and Spark Plasma Sintering
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DOI: 10.3390/ma15072399
Abstract: Aluminum nitride (AlN) ceramics were prepared by both Hot-pressing (HP) and Spark-Plasma-Sintering (SPS) using cerium oxide as the sintering aid. The characterization of AlN raw powder denoted the presence of an amorphous layer that led… read more here.
Keywords: spark plasma; hot pressing; conductivity; pressing spark ... See more keywords
Effect of Strain Rate on the Deformation Characteristic of AlN Ceramics under Scratching
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DOI: 10.3390/mi12010077
Abstract: To clarify the influence mechanism of strain rate effect on deformation characteristics of aluminum nitride (AlN) ceramics, some varied-velocity nanoscratching tests were carried out using a Berkovich indenter in this paper. The deformation characteristics of… read more here.
Keywords: deformation; strain rate; field; aln ceramics ... See more keywords