Spark plasma method for making cBN/SiAlON ceramic

AS Hakeem, T Laoui, MA Ehsan… - US Patent 10,550,042, 2020 - Google Patents
(57) ABSTRACT A method for producing a composite of cubic boron nitride dispersed in a
Si? ION ceramic. This method involves mixing silicon nitride nanoparticles, aluminum nitride …

Method including sonication and spark plasma sintering for forming a ceramic material

AS Hakeem, T Laoui, MA Ehsan… - US Patent 10,532,952, 2020 - Google Patents
(57) ABSTRACT A method for producing a composite of cubic boron nitride dispersed in a
Si? ION ceramic. This method involves mixing silicon nitride nanoparticles, aluminum nitride …

Spark plasma sintered cBN and Ni-cBN bearing steel

AS Hakeem, AY Adesina, MU Azam… - US Patent …, 2023 - Google Patents
Bearing steel comprising cubic boron nitride (c-BN) and/or nickel coated cBN spark plasma
sintered at a temperature in the range of 850-1050 C. is disclosed. The tribological and …

Composite formed of cubic boron nitride and method of making thereof

R Shao, L Dues - US Patent 11,746,058, 2023 - Google Patents
A cubic boron nitride (cBN)-based composite including about 30-65 vol.% cBN, about 15-45
vol.% titanium (Ti)-containing binders, about 2-20 vol.% zirconium dioxide (ZrO 2), about 3 …

Composite formed of cubic boron nitride without Ti-based ceramide and method of making thereof

R Shao, L Dues - US Patent 11,746,057, 2023 - Google Patents
A cubic boron nitride (cBN)-based composite including about 30-65 vol.% cBN, about 3-30
vol.% zirconium (Zr)-containing compounds, about 0-10 vol.% cobalt-tungsten-borides (Co x …

Method of forming a βSiAlON by spark plasma sintering

AS Hakeem, A Ul-Hamid, O Muraza… - US Patent …, 2022 - Google Patents
A method of making a β-SiAlON is described in involves mixing nanoparticles of AlN, Al2O3,
and SiO2 with particles of Si3N4 and spark plasma sintering the mixture. The sintering may …