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Explosive to detonation synthesis of diamond and …
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The detonation nanodiamond grains mostly have lattice and are structurally imperfect. The major defects are , as suggested by .Despite the carbon source for the diamond synthesis - TNT/RDXexplosive mixture - being rich in nitrogen, concentration ofparamagnetic nitrogen inside diamond grains is below 1 part permillion (ppm).Paramagnetic nitrogen (neutral nitrogen atoms substituting carbonin the diamond lattice) is the major form of nitrogen in diamond,and thus the nitrogen content in DND is probably very low.
Detonation Synthesis Nanodiamond Powder Market …
The invention relates to explosives (EXPLOSIVES), particularly for CENTURIES, used for diamond synthesis in the process of detonation, and the method of its manufacture.Since the early 60-ies began to develop rapidly destinationy method of diamond synthesis shock-wave loading of graphite or mixtures of different metals.
The diamond yield after detonation crucially depends on thesynthesis condition and especially on the heat capacity of thecooling medium in the detonation chamber (water, air,CO2, etc.). The higher the cooling capacity, the largerthe diamond yield, which can reach 90%. After the synthesis,diamond is extracted from the soot using high-temperaturehigh-pressure () boiling in acid for a long period(ca. 1–2 days). The boiling removes most of the metalcontamination, originating from the chamber materials, andnon-diamond carbon.
Global Detonation Synthesis Nanodiamond Powder …
In 70-ies were found conditions of detonation synthesis of diamond by the detonation of the charges mixed and industrial blasting EXPLOSIVES with negative oxygen balance, as a rule, TNT and RDX, with various forms of graphite, including amorphous, in the blast kao blasting EXPLOSIVES have a number of disadvantages:
receiving from them diamonds in the form of ultrafine powders with an average particle size 40.80 i.e., 0,004 -0,008 μm and a specific surface area of more than 300 m2/g;
low carbon content in the area of detonation;
not high enough destinationname characteristics;
poor susceptibility to detonation impulse that creates additional difficulties during their initiation;
low mechanical strength;
high complexity in manufacturing using such technologies periodic nature, alloy wheels and "deaf" pressing;
the high cost.An object of the invention is the creation of explosives for detonation synthesis of diamond containing an increased amount of carbon in the composition and, consequently, in the area of detonation, providing a larger diamond particles up to 10 microns, having a higher detonation characteristics, good sensitivity to detonation impulse, in addition, to make it continuous high-way, with complex operational and technological characteristics of the standard formulations having environmentally friendly is tracellular, for example collection, nitro-glycerine as a plasticizer, centralit as a stabilizer chemical resistance, carbon technical, as technological additives melt of zinc stearate with vaseline or industrial oil in the ratio of 1:20 and a surface-active substance sulfurizing E.
Included in the components are taken in the following ratio, wt.nitrocellulose, such as collection 20,1 25,9
RDX 39,0 41,0
carbon technical 7,5 12,5
centralit 0,3 0,7
the melt of zinc stearate with vaseline or industrial oil in the ratio of 1:20 0,8 1,2
sulfurizing E 0,2 0,4
The input of RDX within these limits provides a high detonation speed, steady process of detonation and necessary for the synthesis of diamond thermodynamic parameters of detonation pressure, temperature, the length of the zone of chemical reaction of synthesis of diamonds.
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Detonation-synthesis nanodiamonds: synthesis, structure, ..
Detonation Synthesis Nanodiamond Powder Market Report helps to identify the overview of all products developed in granular detail, with comprehensive vision of latest innovations and milestones like companies currently operating in the market worldwide. With 5 years revenue forecast the report offers significant proposals for individuals and companies about new project investment opportunities of Detonation Synthesis Nanodiamond Powder market before evaluating its feasibility.
ultradispersed diamond, detonation synthesis…
Geographically Detonation Synthesis Nanodiamond Powder Market comprises of (Regional Output, Demand & Forecast by Countries): North America (United States, Canada, Mexico), South America (Brazil, Argentina, Ecuador, Chile), Asia Pacific (China, Japan, India, Korea), Europe (Germany, UK, France, Italy), Middle East Africa (Egypt, Turkey, Saudi Arabia, Iran) And More
Patent Marketplace: Technology Patents for Sale or …
The output of the diamond depends on the solid content of free carbon in the detonation wave, and hence in the structure.Developed the explosive composition provides the required level of all the main characteristics applicable to EXPLOSIVES for detonation synthesis of diamond.
Patent Marketplace Technologies and Patents for Sale or License
With the increasing content of RDX increases the risk of processing composition, and if the reduction is not provided with the necessary detonation characteristics.Known methods of manufacturing composite EXPLOSIVES and charges from them by casting or "deaf" pressing for the subsequent synthesis of diamonds of detonation method.
A directory listing of business nanotechnology programs ..
In this report, Detonation Synthesis Nanodiamond Powder market is valued at XX million USD in 2018 and is expected to reach XX million USD by the end of 2023, growing at a CAGR of XX% between 2018 and 2023.
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