Search Results - "B.K. Barakhtin"

Peculiarities of structural variations at crystallization of highly filled composites on polymeric basis by B.K. Barakhtin, R.V. Sedletsky

“…Composite samples with polymer matrixes of different compositions are investigated. The volume fraction carbon fillings of globular form quasi-isotropically…”
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The structure of body after manufacturing selective laser melting of iron powder by B.K. Barakhtin, A.S. Zhukov, M.V. Staritsin, N.A. Vershinina

“…The structure investigation results of selective laser melting (SLM) samples of iron powders are presented. The size of a volume was determined, where…”
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THE POLYSCALE TRANSFORMATION FEATURES IN THE STEELS AND ALLOYS STRUCTURES AT THE HOT PRESS CONDITIONS by B.K. Barakhtin

“…The results of the FSS steels and alloys hot pressing at T>0,5Tmelt and range ε′ from 10 to 10^(−3) s^(−3) are presented. At σ(ε) maps the auto oscillations…”
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NONLINEAR CRYSTALLIZATION KINETICS OF LONG CHAIN POLYMER MATRIX INTO HIGH FULL COMPOSITES by B.K. Barakhtin, R.V. Sedletsky

“…The polymer matrix composites samples have been investigated. The volume portions filling was ranged from 0,45 to 0,65 . At the density, modulus of elasticity,…”
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THE STRUCTURE SYSTEM ANALYSIS APPLICATION FOR OPTIMIZATION OF STILL- WELDING REGIMES by B.K. Barakhtin, M.A. Vysockaya

“…The structure investigation results on still-welding zones of aluminum-magnesium group’s alloys are presented. The structure changing at still-welding regimes…”
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Multifractal Analysis and Magnetic Properties of Magnetically Hard Fe–Cr–Co Alloy Produced by Selective Laser Melting by Zhukov, A. S., Kamynin, A. V., Gavrikov, I. S., Barakhtin, B. K., Kuznetsov, P. A.

“…The production of magnetically hard Fe–Cr–Co alloy components by an additive method—specifically, selective laser melting (SLM) of metal powder produced by…”
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Strength Improvement of Metals Produced by Selective Laser Melting of Powders by Barakhtin, B. K., Zhukov, A. S., Bobyr, V. V., Shakirov, I. V., Kuznetsov, P. A.

“…— Standard samples for mechanical tests have been produced by selective laser melting (SLM) of metal powders of various chemical compositions. It has been…”
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Additive Technologies for Design of Structural Materials on the Basis of the Nanocenter of the National Research Center Kurchatov Institute—CRISM Prometey by Zhukov, A. S., Barakhtin, B. K., Voznyuk, A. V.

“…At present, additive technologies which employ metal-powder compositions of various alloys as building materials are in demand. These technologies in some…”
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Multifractal analysis of structural modifications in a cumulative jet by Savenkov, G. G., Barakhtin, B. K., Rudometkin, K. A.

“…Modifications in the structural-mechanical state of a copper sheath deformed under the conditions of formation and extension of an axisymmetric cumulative jet…”
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Regimes of interscale momentum exchange in shock deformed solids by Meshcheryakov, Yu.I., Divakov, A.K., Zhigacheva, N.I., Barakhtin, B.K.

“…Three regimes of interaction of shock wave and inner structure of solid are studied: (i) reversible interscale momentum exchange, (ii) irreversible interscale…”
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Examples of corrosion cracking in Cr18Ni10Ti steel caused by residual stresses at bends and pittings by Barakhtin, B. K., Malyshev, V. N.

“…The paper considers test results for corrosion cracking in unfixed U-shaped samples of steels Cr18Ni10 and Cr18Ni8 in a 1 N HCl solution at a room temperature…”
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Dynamic cracking resistance of metallic materials during rapid propagation of a self-similar crack by Savenkov, G. G., Barakhtin, B. K., Rudometkin, K. A., Lebedeva, N. V.

“…A model is proposed to determine the dynamic cracking resistance K ID of metals and alloys for the case of a rapidly moving fractal or self-affine crack. The…”
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Experimental determination of the effective surface energy density in dynamic problems of fracture mechanics by Savenkov, G. G., Gruzdkov, A. A., Barakhtin, B. K., Lebedeva, N. V.

“…Computational and experimental methods for determining the effective surface energy density under the dynamic loading conditions are proposed. The results are…”
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Influence of velocity nonuniformity in a medium on the penetration of cumulative jets and extended flyer plates by Savenkov, G. G., Meshcheryakov, Yu. I., Barakhtin, B. K.

“…Obstacle materials into which plane cumulative jets with an initial impact velocity of 2.5–3.5 km/s penetrate are studied metallographically. The results…”
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Statistical characteristics of the multiscale spallation of metal targets during dynamic loading and their relation to the mechanical properties of the materials by Barakhtin, B. K., Meshcheryakov, Yu. I., Savenkov, G. G.

“…The damages that form in plane targets made of three steel grades during their shock loading at a rate of 100–650 m/s are statistically processed, and the size…”
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Spall strength of titanium alloys by Divakov, A.K., Mescheryakov, Yu.I., Zhigacheva, N.I., Barakhtin, B.K., Gooch, W.A.

“…A series of high-velocity impact tests of impactors and targets of varying acoustic impedance, including Al – Ti, steel – Ti and Ti – Ti combinations, reveals…”
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Dissipative structures in copper under impact deformation by Mescheryakov, Yu.I., Zhigacheva, N.I., Divakov, A.K., Makarevich, I.P., Barakhtin, B.K.

“…Shock tests on polycrystalline copper have revealed a velocity range (400–700 m/s) in which dissipative structures of size 15 × 25 μm are formed. The…”
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