Coating Type

Application Technique

Coating Composition

Bond Strength

Hardness

Porosity

Thermal Expansion

Suggested Max Temperaure

AS-Coated Surface

Features

PTI-2

PLASMA

Tungsten Carbide Cobalt

9,000 PSI

800 VPN300

2%

4.9X10 -6

900 F

250-500 RMS

Rough coating useful in gripping/driving applications

PTI-25

PLASMA

Cr2 O3

9,000 PSI

1200 VPN300

1-2 %

3.7X10 -6/OF

900 F

90-40 RMS

Excellent resistence to aqueous corrosion and erosion.  Excellent mating characteristics with non-metallic and self.

PTI-31

PLASMA

Al2 O3

5,000 PSI

850 VPN300

1-2%

3.8X10 -6/OF

1800 F

110-140 RMS

Dielectric strength of 400-500 volts per mil.  Excellent thermal and abrasion barrier.  Mates well against fibers and threads.

PTI-131

PLASMA

Zirconium Oxide-Yttrium Oxide

2,500 PSI

700 VPN300

8%

3000 F

300 RMS

Excellent thermal barrier, resists particle erosion above 1550 F.

PTI-188

HVOF

Tungsten Carbide-Cobalt

10,000 PSI +

1100 VPN300

<1%

4.5X10 -6/OF

900 F

130-150 RMS

Outstanding combination of fretting and wear resistance combined with impact resistence.  Is noble in many environments.

PTI-224

PLASMA

Copper-Nickel-Indium

8,000 PSI +

300 VPN300

<1%

800 F

150-200 RMS

Excellent anti-galling and anti-fretting material.  Good mating characteristics with most metallics.

PTI-277

HVOF

Tungsten Carbide-Cobalt-Chrome-Moly-Si

10,000 PSI +

1050 VPN300

<1%

5.0X10 -6IN/IN/OF

900 F

200-250 RMS

A composite cermet designed to resist particle abrasion, erosion, and corrosion at temperature.

PTI-299

HVOF

Tungsten Carbide-Cobalt

10,000 PSI +

1150 VPN300

<1%

4.4X10 -6IN/IN/OF

900 F

90 RMS

A fine grade Tungsten Carbide with a smooth as coated  finish and grain structure.

PTI-302

HVOF

Chrome Carbide-Nickel-Chrome

10,000 PSI +

900 VPN300

<1%

6.4X10 -6IN/IN/OF

1700 F

90 RMS

Excellent wear, thermal and mechanical shock resistance at elevated temperature.  Good corosion/erosion properties.  Mates well against Carbon Graphite