Patent · US Active

Polycrystalline cubic boron nitride composite material

US11634796B2 · kind B2 · utility

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23Claims

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Assignee

Element Six (UK) Limited · GB

Inventors

Santonu Ghosh · Church Hanborough, GB
Teresa RODRIGUEZ SUAREZ · Church Hanborough, GB
Stig Ake Andersin · Church Hanborough, GB

Key dates

Filing date	Nov 25, 2020
Grant date	Apr 25, 2023
Priority date	—
Expiry date	Nov 25, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC22C2026/003
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

This disclosure relates a polycrystalline cubic boron nitride, PCBN, composite material for use in friction stir welding. The PCBN composite material comprises tungsten (W), rhenium (Re) and aluminium (Al) in the binder matrix material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.