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Shock compression of cemented tungsten carbides to 100 GPa: Structure of shock waves, Hugoniot relations, and strength

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/5.0190060· OSTI ID:2376170
 [1];  [2]
  1. Washington State University, Pullman, WA (United States); Institute for Shock Physics, Washington State University
  2. Washington State University, Pullman, WA (United States)

Plate impact experiments are conducted on cemented tungsten carbides (WC) with a 3.7 and 6.0 wt. % cobalt binder to better understand their dynamic, high-pressure response to 100 GPa. The measured wave profiles show propagation of steady structured waves. Standard impedance matching procedures are used to determine the Hugoniot relations in the shock velocity–particle velocity (Us–vp) and Hugoniot stress–specific volume (P–V/Vo) planes. The Hugoniot elastic limit of the samples is controlled by ductility of the Co binder and is determined to be 4.45 ± 0.29 GPa for cemented WC with 3.7 wt. % cobalt and 3.72 ± 0.24 GPa for a 6.0 wt. % cobalt binder. Both grades show a non-linear Us–vp relationship depending on whether the particle velocity is in the strength dominated or hydrodynamic regime. In the strength dominated regime, a non-linear decrease in Us is observed as vp increases from ambient to the material’s hydrodynamic limit. In the hydrodynamic regime, the Us–vp Hugoniot is linear and is determined to be Us = 4.97(±0.006)+1.446(±0.018)vp km/s for WC with 3.7 wt. % Co and Us = 4.93(±0.006)+1.463(±0.017)vp km/s for 6 wt. % Co. Both WC grades indicate shear-stress hardening with mean stress immediately after yield, followed by pressure softening, and then a sharp fall in stress carrying capacity as the mean stress is increased to ≈70 GPa (hydrodynamic limit) and beyond. This behavior is in contrast to pure WC ceramics, which show continued shear-stress hardening with mean stress to ≈80 GPa.

Research Organization:
Washington State University, Pullman, WA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP)
Grant/Contract Number:
NA0003957
OSTI ID:
2376170
Journal Information:
Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 5 Vol. 135; ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

References (42)

Uniaxial compression and combined compression-and-shear response of amorphous polycarbonate at high loading rates journal December 2011
Dynamic behavior of a boron carbide aluminum cermet: experiments and observations journal November 1990
High pressure equation of state for solids journal September 1995
Dynamic deformation and fracture behavior of novel damage tolerant discontinuously reinforced aluminum composites journal August 2000
Shock-wave compression of brittle solids journal August 1998
Impact failure and fragmentation properties of tungsten carbide journal December 1999
Plate impact investigation of the dynamic response of commercial tungsten carbide under shock-induced compression and combined compression-and-shear loading journal September 2019
Plate impact experiments to investigate shock-induced inelasticity in Westerly granite journal June 2013
Structure of weak shock waves in 2-D layered material systems journal January 2005
Formation of molten metal films during metal-on-metal slip under extreme interfacial conditions journal September 2004
Inelastic behavior of tungsten carbide at high pressures journal February 2022
Inelastic deformation and failure of tungsten carbide under ballistic-loading conditions journal November 2010
Shock-wave equations of state for rocks and minerals journal October 1968
Finite strain isotherm and velocities for single-crystal and polycrystalline NaCl at high pressures and 300°K journal January 1978
Shock wave equation of state and finite strain theory journal January 1989
Equations of state and crystal structures of high-pressure phases of shocked silicates and oxides journal January 1969
Refractive indices of sapphire under elastic, uniaxial strain compression along the a axis journal November 2001
Shock Equation of State and Dynamic Strength of Tungsten Carbide conference January 2002
Dislocation Dynamics and Steady Plastic Wave Profiles in 6061‐T6 Aluminum journal October 1969
Laser interferometer for measuring high velocities of any reflecting surface journal November 1972
Pressure dependence of elastic moduli of tungsten carbide cermet journal June 1973
Linear Shock‐Velocity‐Particle‐Velocity Relationship journal December 1967
The Effect of Pressure Upon the Elastic Parameters of Isotropic Solids, According to Murnaghan's Theory of Finite Strain journal April 1938
Structure of shock waves in glass fiber reinforced polymer matrix composites journal February 2007
Compression behavior of WC and WC-6%Co up to 50 GPa determined by synchrotron x-ray diffraction and ultrasonic techniques journal June 2008
Effect of high strain rates on peak stress in a Zr-based bulk metallic glass journal November 2008
Shock propagation in a cemented tungsten carbide journal March 2009
Shock compression and unloading response of 1050 aluminum to 70 GPA
  • Choudhuri, Deep; Gupta, Yogendra M.
  • SHOCK COMPRESSION OF CONDENSED MATTER - 2011: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter, AIP Conference Proceedings https://doi.org/10.1063/1.3686388
conference January 2012
Determining the refractive index of shocked [100] lithium fluoride to the limit of transmissibility journal July 2014
Elastic-plastic deformation of molybdenum single crystals shocked along [100] journal January 2017
A compact fiber optics-based heterodyne combined normal and transverse displacement interferometer journal March 2017
Measurement of elastic precursor decay in pre-heated aluminum films under ultra-fast laser generated shocks journal May 2018
Shock compression of molybdenum single crystals to 110 GPa: Elastic–plastic deformation and crystal anisotropy journal May 2020
The Compressibility of Media under Extreme Pressures journal September 1944
New anvil designs in diamond-cells journal September 2004
Time-Resolved Friction with Applications to High-Speed Machining: Experimental Observations journal January 1998
Modelling the anomalous shock response of titanium diboride journal August 2022
Finite Elastic Strain of Cubic Crystals journal June 1947
Shock-induced melting of [100] lithium fluoride: Sound speed and Hugoniot measurements to 230 GPa journal January 2023
Flow process of weak shocks in solids journal August 1980
Adiabatic release measurements in α -quartz between 300 and 1200 GPa: Characterization of α -quartz as a shock standard in the multimegabar regime journal November 2013
Phase Equilibria in the System Tungsten-Carbon journal May 1965

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