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BORON NITRIDE [5 records]

Record 1 2001-06-13

English

Subject field(s)
  • Chemical Elements and Compounds
  • Industrial Ceramics
  • Lubrication Technology
  • Mineralogy
CONT

Boron nitride. ... Graphite-like (g-BN), wurzite (w-BN) and zinc blende (z-BN) are known polymorphs of BN corresponding to the graphite (hexagonal) and diamond (cubic) structures. ... Cubic boron nitride is second in hardness only to diamond. It is used for high performance tool bits and in special grinding applications.

CONT

The newer synthesized abrasives include cubic boron nitride which is increasingly important in the finish grinding of hard alloy steels, and zirconia-alumina, which is used primarily in coated abrasives.

CONT

Manufactured abrasives include alumina, silicon carbide, boron carbide, cubic boron nitride, and diamond.

OBS

Compare "borazon."

French

Domaine(s)
  • Éléments et composés chimiques
  • Céramiques industrielles
  • Tribologie
  • Minéralogie
CONT

Nitrure de bore cubique. Le plus récent des abrasifs de synthèse; il est constitué de nitrure de bore cubique obtenu à partir de nitrure de bore hexagonal sous forte pression 7 000 MPa [...] et haute température 1 650 °C environ; chaque grain est enrobé d'une pellicule métallique.

Spanish

Save record 1

Record 2 1998-03-09

English

Subject field(s)
  • Industrial Ceramics
  • Ceramic Raw Materials

French

Domaine(s)
  • Céramiques industrielles
  • Matières premières céramiques

Spanish

Save record 2

Record 3 1998-02-20

English

Subject field(s)
  • Chemistry

French

Domaine(s)
  • Chimie

Spanish

Save record 3

Record 4 1989-07-15

English

Subject field(s)
  • Industrial Ceramics
DEF

A highly refractory material with physical and chemical properties similar to carbon.

French

Domaine(s)
  • Céramiques industrielles
CONT

Le nitrure de bore existe sous deux formes cristallographiques analogues à celles du carbone [...] la première cubique ressemble au diamant [...] la seconde possède la structure hexagonale type graphite.

Spanish

Save record 4

Record 5 1986-06-09

English

Subject field(s)
  • Industrial Ceramics
  • Ceramic Raw Materials

French

Domaine(s)
  • Céramiques industrielles
  • Matières premières céramiques
OBS

Il s'agit de grains de matériaux durs utilisés dans la fabrication de céramiques industrielles.

OBS

Proposition fondée sur l'oxyde de zirconium cubique.

Spanish

Save record 5

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