holmquist t j jonson g d response of silicon high melting point

The Effect of High-Pressure Devitrifiion and …

2015/11/2· G. R. Johnson, and T. J. Holmquist, An improved computational constitutive model for brittle materials, High-Pressure Science and Technology, 1993: Proceedings of the joint International Association for Research and Advancement of High Pressure Science 23.

Numerical simulation of long rods impacting silicon …

2006/12/1· T.J. Holmquist, G.R. Johnson Response of silicon carbide to high velocity impact J Appl Phys, 91 (9) (2002), pp. 5858-5866 View Record in Scopus Google Scholar Century Dynamics. AUTODYN theory manual, revision 4.3, March 2005. Google Scholar

5 Lightweight Protective Materials: Ceramics, Polymers, …

28 Johnson, G.R., and T.J. Holmquist. 1999. Response of boron carbide subjected to large strains, high strain rates, and high pressures. Journal of Applied Physics 85(12): 8060-8073.

Examination and sensitivity study of the KOVEC …

The U.S. Department of Energy''s Office of Scientific and Technical Information OSTI.GOV Technical Report: Examination and sensitivity study of the KOVEC constitutive model for beryllium

Ultrawide‐Bandgap Semiconductors: Research …

However, high-quality epitaxial growth on GaN substrates is limited to lower-Al-content AlGaN suitable for WBG, not UWBG, appliions (e.g., for lasers emitting at wavelengths longer than the middle of the UV-A band, about 365 nm).

‪Efthimios Kaxiras‬ - ‪Google Scholar‬

Efthimios Kaxiras. Professor of Pysics and Applied Physics, Harvard University. Verified email at physics.harvard.edu - Homepage. Computational Physics Materials Theory. Articles Cited by Public access. Title. Sort. Sort by citations Sort by year Sort by title.

Computational Modeling of Failure for Hypervelocity …

2013/1/1· Sensitivity to t fail . 199 Charles E. Anderson Jr. and Timothy J. Holmquist / Procedia Engineering 58 ( 2013 ) 194 – 203 Time ( )s 0 2 4 6 8 10 12 14 16 P o s i t i o n ( m m ) 0 5 10 15 20 25 30 35 Average Baseline J 3 (Run 3) Coarse Mesh (Run 6) Test 10585

Numerical simulation of particle fracture and surface …

2021/3/8· Holmquist and G. R. Johnson, “ Response of silicon carbide to high velocity impact,” J. Appl. Phys. 91(9), 5858– 5866 (2002). the JH-2 model is an improved model based on the experimental and simulation data, and the differences from JH-1 are as follows: (1) Damage accumulation in the case of large deformation of brittle materials was considered in the model.

Free Full-Text | Mechanical Characterization of Gres …

Holmquist, T.J.; Johnson, G.R. Response of silicon carbide to high velocity impact. J. Appl. Phys. 2002, 91, 5858–5866. [Google Scholar] [] Zinszner, J.L.; Forquin, P.; Rossiquet, G. Experimental and numerical analysis of the dynamic fragmentation in a SiC , 76

Computational Modeling of Failure for Hypervelocity …

2013/1/1· Sensitivity to t fail . 199 Charles E. Anderson Jr. and Timothy J. Holmquist / Procedia Engineering 58 ( 2013 ) 194 – 203 Time ( )s 0 2 4 6 8 10 12 14 16 P o s i t i o n ( m m ) 0 5 10 15 20 25 30 35 Average Baseline J 3 (Run 3) Coarse Mesh (Run 6) Test 10585

Terrestrial Ecology

Deventer, M. J., Griffis, T. J., Roman, D. T., Kolka, R. K., Wood, J. D., Erickson, M., Baker, J. M., Millet, D. B. 2019. Error characterization of methane fluxes and budgets derived from a long-term comparison of open- and closed-path eddy covariance systems

High Strain Rate Response of Additively-Manufactured …

2019/8/12· Plate-lattices are a new emerging class of isotropic cellular solids that attain the theoretical limits for the stiffness of porous materials. For the same mass, they are significantly stiffer than random foams or optimal truss-lattice structures. Plate-lattice structures of cubic symmetry are fabried from stainless steel 316L through selective laser melting. A special direct impact

Response of Silicon Carbide to High Velocity Impact

This study concluded that, under high loading rate, silicon carbide (SiC) can deform plastically as evidenced by the development of nonlinear stress-strain response and also the evolution of

5 Lightweight Protective Materials: Ceramics, Polymers, …

28 Johnson, G.R., and T.J. Holmquist. 1999. Response of boron carbide subjected to large strains, high strain rates, and high pressures. Journal of Applied Physics 85(12): 8060-8073.

High performance liquid crystals for vehicle displays

High performance liquid crystals for vehicle displays Fenglin Peng, 1 Yuge Huang, Fangwang Gou, Minggang Hu,1, 2 Jian Li,2 Zhongwei An,2 and Shin-Tson Wu1,* 1College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA 2Xi''an Modern Chemistry Research Institute, Xi’an 710065, China

The effect of gilding jacket material on the …

Response of silicon carbide to high velocity impact. J Appl Phys 2002;91:5858–66] of the projectile used in the experimental study penetrating into a silicon carbide-faced polycarbonate was

The Growth Response of Two Diatom Species to …

2016/7/6· Lüthi D, Le Floch M, Bereiter B, Blunier T, Barnola J-M, Sigenthaler U, et al. (2008) High-resolution carbon dioxide concentration record 650,000–800,000 years before present. Nature 453 : 379–382. doi: 10.1038/nature06949 [ PubMed ]

Free Full-Text | Mechanical Characterization of Gres …

Holmquist, T.J.; Johnson, G.R. Response of silicon carbide to high velocity impact. J. Appl. Phys. 2002, 91, 5858–5866. [Google Scholar] [] Zinszner, J.L.; Forquin, P.; Rossiquet, G. Experimental and numerical analysis of the dynamic fragmentation in a SiC , 76

OSA | Ultra-smooth silicon nitride waveguides based …

On-chip optical waveguides with low propagation losses and precisely engineered group velocity dispersion are important to nonlinear photonic devices such as soliton microcos, and likewise can be employed for on-chip gyroscopes, delay lines, or Brillouin lasers. Yet, despite intensive research efforts, nonlinear integrated photonic platforms still feature propagation losses orders of

(PDF) A constitutive equation for ceramic materials …

One of the most widely used constitutive models for deformation by micro cracking at low triaxiality to plastic slip at simulating the post yield response of brittle materials to ballistic high triaxialities. impacts are those due to Johnson and Holmquist in

The influence of metal cover plates on ballistic …

2020/6/1· T. Behner, C.E. Anderson, T.J. Holmquist, D.L. Orphal, M. Wickert, D.W. Templeton Penetration dynamics and interface defeat capability of silicon carbide against long rod impact Int. J. Impact Eng. , 38 ( 6 ) ( 2011 ) , pp. 419 - 425

Effect of composite covering on ballistic fracture …

Computational modeling of the penetration response of a high-purity ceramic International Journal of Impact Engineering , 2002, 27, 65 - 86 23. Johnson, G. R., Holmquist, T. J., An improved computational constitutive model for brittle materials. High pressure 24.

Simulating Mechanical Behavior of Ceramics Under …

The mechanical behavior of ceramics in extreme environments can be qualitatively different from that observed at aient conditions and at typical loading rates. For instance, during shock loading the fracture of ceramics is not controlled by the largest flaw. Computer simulations play an increasingly important role in understanding and predicting material behavior, in particular under

Simulation-based evaluation of surface micro-cracks and …

2015/12/28· Holmquist TJ, Johnson GR (2005) Characterization and evaluation of silicon carbide for high-velocity impact. J Appl Phys 97(9):093502.1–093502.12 Article Google Scholar 16. Holmquist TJ, Johnson GR (2002) Response of silicon carbide to high

Numerical simulation of particle fracture and surface …

2021/3/8· Holmquist and G. R. Johnson, “ Response of silicon carbide to high velocity impact,” J. Appl. Phys. 91(9), 5858– 5866 (2002). the JH-2 model is an improved model based on the experimental and simulation data, and the differences from JH-1 are as follows: (1) Damage accumulation in the case of large deformation of brittle materials was considered in the model.

The influence of metal cover plates on ballistic …

2020/6/1· T.J. Holmquist, G.R. Johnson A detailed computational analysis of interface defeat, dwell and penetration for a variety of ceramic targets Proc. 20th Int. Symp. Ballistics (2002), pp. 746-753 Google Scholar T.J. Holmquist, C.E. Anderson, T. Behner The effect of a

Journal of Physics: Conference Series, Volume 500, 2014 - …

2014/5/7· Unlike other metals commercial grade copper maintains very high spall strength near the melting point Tm; it is only twice as low as that of the copper at 0.85 T m. The copper single crystals of both orientations also demonstrate substantial spall strength at 0.94 T m (1000°C).

A Modified Constitutive Equation for Aluminum Alloy …

2013/4/16· The ZA model has been applied for different body-centered cubic materials and face-centered cubic materials at temperatures between room temperature and 0.6T m (T m is the melting point), and it is superior to the JC model when the coupled effect of26-31

Hydrocode modelling of hypervelocity impacts on ice …

2013/8/15· T.J. Holmquist, G.R. Johnson Response of silicon carbide to high velocity impact J. Appl. Phys., 91 (9) (2002), pp. 5858-5866 View Record in Scopus Google Scholar Johnson and Holmquist, 1992 G.R. Johnson, T.J. Holmquist A computational constitutive model

(PDF) The design of mosaic armour: The influence of tile …

Response of silicon carbide to high velocity impact. J Appl Phys 2002;91:5858–66] of the projectile used in the experimental study penetrating into a silicon carbide-faced polycarbonate was