NDLI: Strength of synthetic diamonds under tensile stresses produced by picosecond laser action

Content Provider	Springer Nature Link
Author	Abrosimov, S. A. Bazhulin, A. P. Bolshakov, A. P. Kov, V. I. Krasiuk, I. K. Pashinin, P. P. Ralchenko, V. G. Semev, A. Yu. Sovyk, D. N. Stuchebryukhov, I. A. Fortov, V. E. Khishchenko, K. V. Khomich, A. A.
Copyright Year	2015
Abstract	Results of an experimental-theoretical study of spallation in synthetic diamonds are presented. In this study, data were first obtained on dynamic tensile strength of poly- and singlecrystal diamond samples at mechanical loads of up to 0.34 TPa and strain rates of 10–100 µs$^{−1}$. Shock-wave loading was performed by 70 ps laser pulses on a Kamerton-T facility using a Nd:glass laser (second harmonics λ = 527 nm, pulse energy of up to ≈3 J) at intensities of ≈8 TW/cm$^{2}$. The obtained maximal value of the spall strength ≈16.4 GPa is 24% of the theoretical ultimate strength of diamond. Raman scattering experiments showed that a small amount of diamond was graphitized in the spall area on the backside of the sample.
Starting Page	143
Ending Page	149
Page Count	7
File Format	PDF
ISSN	00218944
Journal	Journal of Applied Mechanics and Technical Physics
Volume Number	56
Issue Number	1
e-ISSN	15738620
Language	English
Publisher	Pleiades Publishing
Publisher Date	2015-04-16
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	synthetic diamonds laser pulse action negative pressure spall strength phase transformations Mechanics Fluid- and Aerodynamics Classical Continuum Physics Applications of Mathematics Mathematical Modeling and Industrial Mathematics Mechanical Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Condensed Matter Physics Mechanical Engineering

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