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Nanocrystalline tungsten carbide: As incompressible as diamond
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10.1063/1.3268457
/content/aip/journal/apl/95/21/10.1063/1.3268457
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/21/10.1063/1.3268457

Figures

Image of FIG. 1.
FIG. 1.

A typical HRTEM image of nano-WC recorded with the incident beam parallel to the [001] zone axis.

Image of FIG. 2.
FIG. 2.

Selected x-ray diffraction patterns of nano-WC up to 35.6 GPa.

Image of FIG. 3.
FIG. 3.

Experimental pressure-volume data for nano-WC up to 35.6 GPa. The variations of lattice constants with pressure are shown in the inset.

Image of FIG. 4.
FIG. 4.

Unit-cell volumes as a function of pressure for WC obtained from first-principles calculations. The pressure dependent lattice constants and a supercell for WC are plotted in the inset.

Tables

Generic image for table
Table I.

Summary of bulk modulus , its pressure derivative , linear bulk moduli ( and ), and their pressure derivatives ( and ) for WC obtained from both high-pressure experiment and theoretical calculations.

Generic image for table
Table II.

Calculated elastic constants , bulk modulus , and shear modulus for WC (all in GPa). A set of previously reported data are listed for comparison.

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/content/aip/journal/apl/95/21/10.1063/1.3268457
2009-11-25
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nanocrystalline tungsten carbide: As incompressible as diamond
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/21/10.1063/1.3268457
10.1063/1.3268457
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