datasheet_hudson_performance_pbn-20 pages

DATA SHEET

Performance PBN
Pyrolytic Boron Nitrde (a-PBN)
© 2009 Morgan Technical Ceramics – a division of The Morgan Crucible Company Plc
Description

Physical properties*

Non-porous, opaque material with mechanical
Bulk density, g/cc:
properties that are enhanced at high temperatures.
Anisotropic properties are due to the bonds between Gas Permeability (Helium),
cm2/sec:
boron and nitrogen atoms varying with crystal
direction.
Compression Strength, PSI:

2.185
2x10

-11

“a” direction @ 25 ºC:

37,000

Prime features
@ 1200 ºC:

35,000

Good flexural strength, high compressive
strength and high fracture resistance

“c” direction @ 25 ºC:

48,000

Anisotropic properties

@ 1200 ºC:

54,000

High “a” direction thermal conductivity

Conducts heat while acting as an electrical
insulator

Tensile Strength, PSI:
“a” direction @ 25 ºC:

21,000

Flexural Strength, PSI:

High dielectric strength over wide range of
temperatures

@ 25 ºC:

28,000

High temperature applications

@ 1200 ºC:

27,000

Non-toxic

Non-wetting

Inert to most acids, alkalis, organic solvents,
molten metals and graphite

Torsional Shear Strength, PSI:
@ 25 ºC:

High purity

Oxidation and chemical resistance

Low outgasing

93,000

Young’s Modulus:
“a” direction @ 25 ºC:

3.4 x 10

Poisson’s Ratio:
“a” direction @ 25 ºC:

0.086

Flexural Modulus, PSI:

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