US 12,344,560 B2
Armor component comprising a titanium carbonitride phase
Hemanth Kumar Pattem, Andhra Pradesh (IN); Nandi Subhasis, Karnataka (IN); Ghosh Bismit, Karnataka (IN); and Matthieu Graveleau, Avignon (FR)
Assigned to SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN, Courbevoie (FR)
Appl. No. 17/641,501
Filed by SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN, Courbevoie (FR); and Hemanth Kumar Pattem, Andhra Pradesh (IN)
PCT Filed Sep. 10, 2020, PCT No. PCT/IN2020/050785
§ 371(c)(1), (2) Date Mar. 9, 2022,
PCT Pub. No. WO2021/048875, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 201941036940 (IN), filed on Sep. 13, 2019; and application No. 1912751 (FR), filed on Nov. 15, 2019.
Prior Publication US 2022/0306545 A1, Sep. 29, 2022
Int. Cl. C04B 35/10 (2006.01); C04B 35/565 (2006.01); C04B 35/58 (2006.01); C04B 35/597 (2006.01)
CPC C04B 35/58021 (2013.01) [C04B 35/10 (2013.01); C04B 35/565 (2013.01); C04B 35/597 (2013.01)] 21 Claims
OG exemplary drawing
 
1. Armor component comprising a ceramic hard material, wherein said ceramic hard material is characterized by:
a bulk density lower than 3.5 g/cm3, comprising grains of ceramic material having a Vickers hardness higher than 15 GPa, comprising a bonding matrix which binds said grains, wherein:
said bonding matrix represents between 20 and 80% by weight of said ceramic hard material of the ceramic body,
said bonding matrix comprising an alumina phase, a crystalline phase comprising silicon and nitrogen and a TiCxN1-x crystalline phase, wherein x is comprised between 0 and 1.