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Shock compression of reactive powder mixtures

Web5 Nov 2024 · Currently, PTFE/Al is widely used in the reactive fragmentation warhead. However, for the same explosive yield, the reactive fragments usually have a smaller damage-radius than the inert fragments because PTFE/Al has a poor penetration ability and needs an impact-speed up to 1000 m/s to stimulate its chemical reaction. To enhance the … Web10 Dec 2024 · regimes. Finer sand, Silica Fume, steel fibers cause a considerable increasing in compression strength. Various relationship were obtained illustrating the effect of …

(a) Illustration showing the configuration of phases through the ...

Web7 Oct 2014 · Published by Maney Publishing (c) IOM Communications Ltd Shock compression of reactive powder mixtures D. E. Eakins and N. N. Thadhani * The shock … Web30 May 2024 · Eakins, D. E. & Thadhani, N. N. Mesoscale simulation of the configuration-dependent shock-compression response of Ni+ Al powder mixtures. Acta Materialia 56 , … indicakes https://fixmycontrols.com

High-Pressure Shock Compression of Solids IV - SpringerLink

Web1 Feb 2009 · A heterogeneous chemical reaction model is proposed and used to describe shock-induced chemical reactions that occur in reactive granular mixtures during shock … WebShock compression of reactive powder mixtures. COUNTER-compliant statistics provided by IRUS-UK. Unless otherwise indicated, items in Spiral are protected by copyright and are … Web1 Jan 1992 · The second is to gain better understanding of how to construct a simple model that includes heterogeneous flow of reactive powder mixture. Since a fully general CMT … indica online number

High-pressure shock activation and mixing of nickel-aluminium …

Category:Chemical reactions in reactive powder metal mixtures during …

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Shock compression of reactive powder mixtures

(PDF) On the Relationship between Shock and Thermal Initiating ...

WebNumerical modelling of shock-induced chemical reactions (SICR) in reactive powder mixtures using smoothed particle hydrodynamics (SPH) Siva Prasad A V S and Sumit Basu 15 September 2015 Modelling and Simulation in … WebMechanochemical aspects of shock-compression of reactive powder mixtures leading to ``shock-induced'' reactions will be reviewed. Time-resolved experiments performed on …

Shock compression of reactive powder mixtures

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Web28 Dec 2009 · The U.S. Department of Energy's Office of Scientific and Technical Information WebMade available by U.S. Department of Energy Office of Scientific and Technical Information ...

WebThe Steady Shock Problem in Reactive Gas Mixtures The shock structure in a gas mixture undergoing a bimolecular chemical reaction is studied by means of a reactive kinetic … Web7 May 2014 · The shock compression response of Ti+2B (1:2 Ti:B stoichiometric ratio) reactive powder mixtures at ~50% theoretical material density (TMD) is investigated for …

Web1 Aug 2010 · Shock compression of powder mixtures can lead to chemical reactions, resulting in the formation of equilibrium as well as nonequilibrium compounds, and rapid … Web5 Nov 2024 · Drop-weight tests were conducted to investigate the impact-initiation sensitivity of high-temperature PTFE-Al-W reactive materials. The test results show that the impact-initiation sensitivity of the materials more than doubles with increasing the sample temperature from 25 to 350 °C. Combined with the impact-induced initiation process …

Web1 Jul 2009 · The shock compression of reactive powder mixtures can yield varied chemical behaviour with occurrence of mechanochemical reactions in the timescale of the high …

WebA computational method is presented for modeling shock-induced chemical reactions (SICR) in multi-material solid powder mixtures. The reacting materials are assumed to be … lockman locksmith sarasota flWeb28 Oct 2024 · Shock compaction response of ∼50% porous aluminum powder, encapsulated in PMMA cylinders and impacted at 0.3–1.7 km/s using 6061-T6 Al impactors, was … indi camper islandWeb1 Aug 1993 · Shock-compression recovery experiments were performed on mixtures of Ti and Si powders of fine, medium, and coarse morphology, and packed at different initial densities, using the Sandia Momma and Poppa Bear fixtures with Baratol explosive. lockman hamburgWeb12 Dec 2007 · The shock-compression and reaction response of equi-volumetric micron-scale ({approx}50-60% dense) spherical nickel and aluminum powder mixtures is … indicano heckmondwikeWebA series of reverse ballistic impact experiments were conducted on tungsten heavy alloy rods. The rods were subjected to yawed impact, which … indi cannabis jelly breathWeb15 Sep 2015 · Shock compaction of reactive powder mixtures to synthesize new materials is one of the oldest material processing techniques and has been studied extensively by … indic appWeb1 Jan 2009 · Numerous experimental data imply that shock processing may be used to induce very fast chemical reactions in compacted reactive powder mixtures. Keywords. … lock marting sign in