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Spare components will significantly reduce instrument down-time
   
 

In the course of experiments conducted in any vigorous research laboratory , the tungsten-carbide core of the pressure plate, the piston, piston support block, and the baseplug support block eventually fail and require replacement. Spare components will reduce instrument down-time significantly.

Our tungsten carbide is micro-sintered and hot pressed with a proprietary binder that results in the highest compressive strength composition that is commercially available. Our grade of tungsten carbide has been in use since 2003 and exhibits very long life-times and durability under a broad range of pressure-temperature-time cycles.


Pressure Plates

Two versions of a spare plate are available: a pressure plate with core and a pressure plate with core and attached cooling jackets. The first option requires disassembly and reassembly of the cooling jackets enclosing the spare pressure plate, whereas the second option only requires disconnecting and reconnecting cooling water hoses.

The standard pressure plate [16.5 cm (6.5 in) outer diameter, is composed of concentric layers of hardened 4340 steel, hardened tool steel, and tungsten-carbide core with a 13mm inner diameter bore.
Part Number QP-1

The large-volume pressure plate [16.5 cm (6.5 in) outer diameter, is composed of hardened 4340 steel and a D-2 steel core with a 19mm inner diameter bore.
Part Number QP-5

The ultra high pressure plate [16.5 cm (6.5 in) outer diameter, is composed concentric layers of hardened 4340 steel, hardened tool steel, and tunsten-carbide core with a 10mm inner diameter bore.
Part Number QP-8

The pressure-plate cooling-jacket assembly includes a pressure plate with core that is encased between anodized aluminum cooling jackets. A stainless steel safety ring shields the outer diameter of the pressure plate. The assembly comes with stainless steel fittings for connection to water chilling/circulation equipment (mininum Temperature 5°C)

  • 13 mm ID Plate/Cooling Jacket assembly Part Number QP-2
  • 19 mm ID Plate/Cooling Jacket assembly Part Number QP-6
  • 10 mm ID Plate/Cooling Jacket assembly Part Number QP-9

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Pistons

Pistons are composed of Tungsten-carbide cylinders (25.4 mm length), with a 25.4 mm OD hardened-steel binding ring that is press fit on one end.

  • 13 mm diameter piston Part Number QP-3
  • 19 mm diameter piston Part Number QP-7
  • 10 mm diameter piston Part Number QP-10

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Base Plug Support Block

Tungsten-carbide base plug support block 25.4 mm OD x 1.65 mm ID, press fit with aluminum safety sleeve. Suited for standard, large-volume, and ultra-high pressure plates.
Part Number QP-4

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Piston Support Block

Tungsten-carbide piston support block 25.4 mm diameter, press fit with aluminum safety sleeve. Suited for standard, large-volume, and ultra-high pressure plates.
Part Number QP-12

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Salt Forming Tools

Custom forming tools allow production of furnace assembly components that are best fabricated in-house. Salt cells, for example, are too fragile to ship easily.

The salt plugs and salt sleeves are fabricated in the laboratory prior to experiments by cold-pressing and then drying in a 450°C oven. The dies work in the extraction frame of the QUICKpress or any hydraulic press that generates a 5,000lb (2.2 x 104 N) force.

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Salt Cell Die

The salt cell die works with a mandrel and guide assembly to form salt cells. The salt cell die determines the outer diameter of the salt cell, whereas the mandrel and ring assembly controls the inner diameter and thus the thickness of the salt cell. Using the salt-cell die components of a hardened-steel cylinder die and piston, a powder funnel, and a mild-steel compression bushing and extraction stand, salt cells for 10mm, 13mm, and 19mm furnace assemblies can be fabricated using the QUICKpress extraction ram or a standard 12-ton hydraulic press.

  • 13 mm furnace assembly: Part Number SS-1
  • 19 mm furnace assembly: Part Number SS-4
  • 10 mm furnace assembly: Part Number SS-5

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Salt-Cell Mandrel and Guide Assemblies

The mandrel and guide components of the salt-cell die are sized for high-temperature (>1000°C)-thin walled, and low-temperature (<1000°C)-thick walled, furnace assemblies and include a hardened tool-steel mandrel, and hardened alloy-steel support and guide. High-temperature furnace assemblies require a Pyrex-glass or quartz-glass sleeve. In order to accommodate the additional sleeve into the assembly, the salt-cell inner diameter is increased by using a larger diameter mandrel. At temperatures beflow 1000°C, the glass insulator is not necessary and the salt cell wall thickness is greater.

  • 13mm furnace assembly: Part Number SS-1A
  • 19mm furnace assembly: Part Number SS-1C
  • 10mm furnace assembly: Part Number SS-1E

Low-temperature furnace assemblies do not require a glass sleeve. Consequently, the salt-cell inner diameter is smaller and is fabricated using a small diameter mandrel.

  • 13mm furnace assembly: Part Number SS-1B
  • 19mm furnace assembly: Part Number SS-1D
  • 10mm furnace assembly: Part Number SS-1F

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Salt Plug Die

The salt plug die produces a solid cylindrical salt pieces. The length of the salt plug is determined by the amount of salt used during fabrication. The die components required to fabricate internal salt plugs include a hardened-steel salt plug die, base, and piston.

  • 13mm furnace assembly: Part Number SS-2
  • 19mm furnace assembly: Part Number SS-3
  • 10mm furnace assembly: Part Number SS-6

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Capsule Lid Die

To expedite sample capsule preparation, a capsule-lid die has been designed to form lids for 3 mm and 5mm OD tubing. A circle is punched out of capsule material foil, molded into an open ended cyliner and arc weled onto sample capsule tubing.

End caps for arc-welded closed sample capsules of 5 mm and 3mm outer diameter capsule tubing are fabricated using a cutting tool, plexiglass guide, and hardened-steel bottom mold and forming piston.

  • 5mm capsule: Part Number CL-1
  • 3mm capsule: Part Number CL-2

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Extraction Piston with Safety Sleeve

Extraction of the 13 mm furnace assembly from the standard pressure plate requires a 9.5mm OD hardened steel piston with stainless steel safety sleeve and extraction piston bushing.
Part Number: EX-1

Extraction of the 19 mm furnace assembly from the large volume pressure plate requires a 13.5mm OD hardened steel piston with stainless steel safety sleeve and extraction piston bushing.
Part Number: EX-2

Extraction of the 10 mm furnace assembly from the ultra high pressure plate requires a 7.1mm OD hardened steel piston with stainless steel safety sleeve and extraction piston bushing.
Part Number: EX-3

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