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ammonium perchl'orate Grinding

ammonium perchl'orate Grinding :

OPTIMIZATION OF GRINDING PARAMETERS AND PRODUCT

The present study deals with the grinding of ammonium perchlorate (AP) using an air classifier mill. Numerous trials were carried out producing a diverse range of particle size distribution (PSD) of fine AP product from a given feed of coarse AP.

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(PDF) Prediction of Particle Size of Ammonium

2006年5月26日  Ammonium perchlorate has been pulverised by an impact mill (air classifier mill) to study the influence of different operating

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Crystal habit modification of ammonium perchlorate by

2010年7月1日  Ammonium perchlorate (AP)-based composite propellant has been widely used as a solid propellant, but higher burning rates are in demand. We report that crystal

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Particle Size Reduction in a Jet Mill to Produce Ultrafine

Ammonium perchlorate was continuously ground in a jet mill with helium gas and with nitrogen gas for comparison. The highest grinding efficiency and submicron-sized

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US3728086A - Method of preparing ammonium perchlorate

The customary method of preparing ammonium perchlorate crystals involves the aqueous recrystallization of ammonium perchlorate from water and subsequent grinding of the

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Burn rate enhancement of ammonium perchlorate–nitrocellulose ...

2019年8月1日  This work concerns kinetic modeling and the investigation of the thermal decomposition of surface modified ammonium perchlorate (AP) with green iron oxide

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Full article: Investigating the effect of chemical ingredient ...

2019年9月30日  Research conducted by Shidlovskiy, Shmagin, and Bulanov (Citation 1965) has shown that the thermal decomposition of ammonium perchlorate is tunable with the

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Prediction of Particle Size of Ammonium Perchlorate during

grinding ammonium perchlorate. 2.2 Procedure All the experimental grindings were carried out by taking ammonium perchlorate (25 kg) in a fully assembled REICO

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Microwave drying of ammonium perchlorate grinding spheres

Grinding of ammonium perchlorate to submicron size is accomplished generally by grinding in a mill referred to in the trade as SWECO (Southwestern Engineering

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Precision Grinding Services O'hare Precision Metals, LLC

O’Hare Precision Metals takes pride in offering top-notch precision metal grinding services to meet the stringent requirements of our customers. With our state-of-the-art grinding

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CuO/PbO Nanocomposite: Preparation and Catalysis for Ammonium

2020年12月11日  In this present article, we reported a facile and efficient milling method to prepare a series of CuO/PbO nanocomposite metal oxides (CuO/PbO NMOs), with CuO/PbO molar ratios of 1:2, 1:1, 1:0.5, and 1:0.25 as a potential catalyst to catalyze the thermal decomposition of ammonium perchlorate (AP). The obtained CuO/PbO NMOs

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Effect of Ammonium Perchlorate Particle Size on Flow, Ballistic,

2019年1月1日  Chapter 8 - Effect of Ammonium Perchlorate Particle Size on Flow, Ballistic, and Mechanical Properties of Composite Propellant. Author links open overlay panel Jauhari Ashish 1, ... Grinding of AP leads to generation of a large surface area with excess surface energy and there is a tendency for agglomeration, segregation, caking, ...

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Effect of aluminum morphology on thermal decomposition of ammonium

2018年8月28日  At the same time, the catalytic performances of the Al-1 and as-prepared Al powder on the thermal decomposition of ammonium perchlorate (AP) are studied through thermogravimetric and differential scanning calorimetry analysis. The results revealed that compared with pure AP, the exothermic peak temperature of AP/Al-1,

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Thermal decomposition of mechanoactivated ammonium perchlorate

2018年11月10日  Ammonium perchlorate was grinded up and activated in an Activator-2SL planetary mill (Company "Activator", Novosibirsk [23]) with steel balls and grinding bowls. Activator-2SL has two drums with a volume of 250 ml, the speed of rotation of the planetary disk is 1000 rpm, the speed of rotation of bowls is 1500 rpm.

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Facet effect of Co3O4 nanocatalysts on the catalytic

2020年6月15日  Crystal facets can affect the catalytic decomposition of ammonium perchlorate, but the underlying mechanisms have long remained unclear. Here, we use the nanorods, nanosheets and nanocubes of Co 3 O 4 catalysts exposing {110}, {111} and {100} facets as model systems to investigate facet effects on catalytic AP decomposition. The

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Richard Nakka's Experimental Rocketry Site

Ammonium perchlorate based propellants produce corrosive hydrochloric acid as an exhaust product. ... Ammonium Perchlorate, after grinding 30.8% [3] Polysulfide 16.4% p-Quinone dioximine (curing agent) 1.2% Diphenyl guanidine (curing accelerator) 0.1%

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Effects of grinding montmorillonite and illite on their modification

2017年9月15日  Montmorillonite (Mt) and illite (Ilt) were ground for different times under wet condition and sequentially subjected to organic modification by dioctadecyl dimethyl ammonium chloride (DDAC). The influence of the grinding time on the obtained products in terms of DDAC loading and ClO 4 − adsorption were evaluated. Multiple techniques were

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Burn rate enhancement of ammonium perchlorate–nitrocellulose ...

2019年8月1日  This work concerns kinetic modeling and the investigation of the thermal decomposition of surface modified ammonium perchlorate (AP) with green iron oxide nitrocellulose nanocomposite (AP–NC–nFe 2 O 3), via a recurrent spray drying method (SDM).The thermal degradation of the different investigated samples was studied by

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Yong Kou's Lab - ResearchGate

In this paper, raw CuCr2O4 and nano‐CuCr2O4 prepared by mechanical grinding method were applied in solid propellants containing ammonium perchlorate (AP), which are ammonium perchlorate/ hydroxy ...

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Thermal decomposition of ammonium perchlorate by black ...

2021年9月3日  Hao G, Li H, Mao C et al (2021) Preparation of Nano-Cu-Fe composite metal oxides via a mechanical grinding method and its catalytic performance for the thermal decomposition of ammonium perchlorate. Combust Sci Technol 193(6):987–1004. Article CAS Google Scholar

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Effect of Ammonium Perchlorate Particle Size on Flow, Ballistic,

2019年1月1日  Chapter 8 - Effect of Ammonium Perchlorate Particle Size on Flow, Ballistic, and Mechanical Properties of Composite Propellant. Author links open overlay panel Jauhari Ashish 1, ... Grinding of AP leads to generation of a large surface area with excess surface energy and there is a tendency for agglomeration, segregation, caking, ...

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Thermal decomposition of mechanoactivated ammonium perchlorate

2018年11月10日  Ammonium perchlorate was grinded up and activated in an Activator-2SL planetary mill (Company "Activator", Novosibirsk [23]) with steel balls and grinding bowls. Activator-2SL has two drums with a volume of 250 ml, the speed of rotation of the planetary disk is 1000 rpm, the speed of rotation of bowls is 1500 rpm.

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Significantly Enhanced Thermal Decomposition of Mechanically ...

2021年6月10日  In this article, nano-CuCr 2 O 4 (copper chromite)/ultrafine ammonium perchlorate (AP) composites were prepared by a ultrasonic dispersion method and a mechanical grinding method. A series of nano-CuCr 2 O 4 /ultrafine AP composites with different dispersions were prepared by controlling the compounding time to study the

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CuO/PbO Nanocomposite: Preparation and Catalysis for Ammonium

2020年12月11日  In this present article, we reported a facile and efficient milling method to prepare a series of CuO/PbO nanocomposite metal oxides (CuO/PbO NMOs), with CuO/PbO molar ratios of 1:2, 1:1, 1:0.5, and 1:0.25 as a potential catalyst to catalyze the thermal decomposition of ammonium perchlorate (AP). Th

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Reforming of Ammonium Perchlorate Particles as a Oxidizer of

2011年1月1日  Used as a solid oxidizer of propellants, ammonium perchlorate （AP） can ignite and explode easily by slight impact or friction ; therefore, to prepare fine AP particles by commercial grinding ...

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Preparation of copper ferrite by sol–gel method and the

2021年4月28日  The effects of the structure of copper ferrite on its catalytic activity for the thermal decomposition of ammonium perchlorate ... (2019) Preparation of nano-Cu-Fe composite metal oxides via a mechanical grinding method and its catalytic performance for the thermal decomposition of ammonium perchlorate. Comb Sci Technol https ...

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Preparation and Properties of a Flake Aluminum Powder in an Ammonium

2020年12月28日  Abstract A flake aluminum powder (f-Al) is prepared by a bi-directional rotation mill method using a spherical aluminum powder (s-Al) as a raw material. Then, these two kinds of aluminum powders are used to prepare ammonium perchlorate-based composite modified double-base (AP-based CMDB) propellants. The properties of two

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Particle Size Reduction in a Jet Mill to Produce Ultrafine Ammonium ...

Ammonium perchlorate was continuously ground in a jet mill with helium gas and with nitrogen gas for comparison. The highest grinding efficiency and submicron-sized fractions were developed when heated helium was used. Continuous mixing of the ground oxidizer, with the other propellant ingredients dispersed in an inert gas, is proposed in a specially

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