Diacell® ShearDAC

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Raman Spectroscopy, Pmax = 50 GPa, T = 300 K , WD = 17.50 mm, A = 80°, Full 360° rotation of the piston

Diacell® LeverDAC Series

The Diacell® ShearDAC is equipped with internal gears that enable a full 360° rotation of the piston anvil relative to the fixed cylinder anvil
This cell is ideal for performing spectroscopic experiments with simultaneous shear and static high-pressure
Maximum pressures of up to above 50 GPa can be achieved
Smooth rotation is obtained by an extremely careful machining of the piston and cylinder
Fitted with ultra low fluorescence anvils the Diacell® SherDAC may be used for Raman spectroscopy
The cell can also be fitted with Boehler-Almax design diamond anvils, for an enlarged observation top angle.

SKU: A22000/A22100

For more info, quotation or call: Contact us

Description

The Diacell® ShearDAC is a diamond anvil cell ideal for performing experiments with simultaneous shear and static high-pressure up to above 50 GPa.

The cell’s design is based on the megabar diamond anvil cell Diacell® LeverDAC-Mega and allows for controlled shear. The additional gearing enables the rotation of the piston anvil relative to the fixed cylinder anvil. Using a set screw, the position and orientation of the cylinder can be fixed to prevent concurrent rotation with the piston. Extremely careful machining of the piston and cylinder allows for unhindered rotation.

It is possible to use a wide range of existing experimental techniques and pressure media with the Diacell® ShearDAC. Preparation of the cell for experiments is very much similar to those of more conventional diamond anvil cells.

The Diacell® ShearDAC was originally fabricated for J. Ciezak (US Army Research Lab) and validated on a sample of calcite at 0.5 GPa (5 kbar). Raman measurements show the onset of the phase transformation from calcite to aragonite at 10° of rotation (c.f. Ciezak, J. and Jenkins, T., Rev. Sci. Instrum. 82, 073905 (2011)).

Specifications

	ShearDAC [A22000]	*ShearDAC Plus* [A22100]**
Cell Material	Maraging steel	Maraging steel
Anvil Design	Diacell	Boehler-Almax
Anvil Support Plate	Tungsten Carbide	Tungsten Carbide
Pressure Mechanism	Lever Arm Drive	Lever Arm Drive
Maximum Pressure	50 GPa	50 GPa
Temperature Range	Room Temperature	Room Temperature
Top Angle	34º Conical	80º Conical
Bottom Angle	9º Conical	8.8º Conical
Lateral Access	N/A	N/A
Heating	N/A	N/A
Cooling	N/A	N/A
Lever Arm Length / Width	165 mm/ 76 mm	165 mm/ 76 mm
DAC Diameter	33 mm	44.5 mm
DAC Height	89 mm	70.5 mm
Working Distance to Sample	17.5 mm	15 mm
Numerical Aperture	0.29	0.64
DAC Weight	TBC	TBC

Maximum pressure is dependent upon the culet size of the anvils. Almax easyLab is committed to its policy of continuous improvement. Specifications may change without notice. easyLab and Diacell are registered trademarks of Almax easyLab.

Documents

We have compiled a series of technical documents (brochures, articles, technical drawings, …) which you might find useful to help you understand this product better.

Technical documentation

Brochure ShearDAC

Technical Drawing

Please contact us for further details on the engineering drawings.

Articles

2011 – Ciezak, J. and Jenkins, T.A. – Optical cell for in situ vibrational spectroscopic measurements at high pressures and shear

Spares, Accessories and Options

Our diamond anvil cells are aligned and mechanically tested before leaving our factory on their way to your laboratory.

They also come supplied with the required basic tooling, including gasket blanks, to use them. All is contained in the transportation casing to move around laboratories easily.

Below you can find some of the accessories and spares you might also consider. If you cannot find what you need, please do not hesitate to contact our team.

	Diamond Anvils 3.10 mm Diacell® design diamond anvils Product code: [P00132]
	Anvil Support Plate 34 degree, Tungsten carbide seat Product code: [P00892], [P00893]
	Diamond Anvils 3.30 mm Boehler Almax design diamond anvils Product code: [P00539]
	Anvil Support Plate Seat, WC (H10F) Conical 85 deg. 12.8 mm Product code: [P00542]
	Gasket Blanks 10.00 mm/ 0.25 mm thick Stainless Steel gasket blanks Product code: [P00113]

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