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PyrNCD process: pyramidal diamon nanograins deposit on cutting tools

Reference

02382-01

Patents status

French patent application FR0807181 filed on December 19, 2008 and entitled “Procédé PyrNCD: Dépot de diamant pyramidal nanograins sur des outils de coupe”

Inventors

Jean-Piere MANAUD
Angélique POULON
Lionnel TEULE-GAY
Cyril FAURE

commercial status

Research agreement, exclusive or non exclusive licenses

Laboratory

Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB, UPR9048), Bordeaux, France

Description

TECHNICAL DESCRIPTION

The invention relates to a chemical vapour deposition process of a diamond coating on a support. This coating is characterized by a new diamond morphology in pyramid form made of submicronic grains. The invention also relates to coatings and articles obtained by this process.

BENEFITS

The coating can be chosen according the use of the tool:
the coating can bring a color code;
the process is well-suited for the treatment of tools of small dimension;
the process is clean for the environment since it avoids the chemical acid attack.

INDUSTRIAL APPLICATIONS

The main application of the invention concerns cutting and machining materials industry.


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