Xian North Huian Chemical Co.

Fengcheng, China

Xian North Huian Chemical Co.

Fengcheng, China
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Wu Y.-G.,Xian North Huian Chemical Co. | Zheng Q.-L.,Nanjing University of Science and Technology | Tian S.-C.,Xian North Huian Chemical Co. | Ding K.,Xian North Huian Chemical Co. | Zhou W.-L.,Nanjing University of Science and Technology
Huozhayao Xuebao/Chinese Journal of Explosives and Propellants | Year: 2017

To study the effect of adhesives on the properties of combustible igniter tube, four kinds of combustible igniter tubes were prepared through roll-forming process by inert adhesive, energetic adhesive, inert/energetic mixed adhesive and inert adhesive/RDX mixture, respectively, their mechanical properties and constant-volume combustion performance were tested. The results show that compared with the standard combustible igniter tube, the combustible igniter tube with energetic adhesive can make the constant-volume combustion ash reduce by 69.0%, but drawing force, compressing force and pressure resistant strength are decreased by 52%, 68% and 60%, respectively. When the inert adhesive/RDX mixture (mass ratio of 90∶10) is used, the mechanical properties of combustible igniter tube are basically unchanged and the constant-volume combustion ash reduces by 12.2%. When the inert/energetic (mass ratio of 50∶50) mixed adhesive is used, the burning rate and combustion completeness of combustible igniter tubes are improved, and the mechanical properties decrease slightly. © 2017, Editorial Board of Journal of Explosives & Propellants. All right reserved.


Zou W.-W.,Nanjing University of Science and Technology | Zhou W.-L.,Nanjing University of Science and Technology | Xiao L.-Q.,Nanjing University of Science and Technology | Jian X.-X.,Nanjing University of Science and Technology | Tian S.-C.,Xian North Huian Chemical Co.
Huozhayao Xuebao/Chinese Journal of Explosives and Propellants | Year: 2012

For the mechanical deformation of semi-combustible cartridge under upright storage, a mechanics model was established. The contact deformation of semi-combustible cartridge was calculated by 3-dimensional nonlinear finite element method theory. The distribution of stress and strain and numerical prediction of structural strength of semi-combustible cartridge were obtained. The results showed that the stress concentration occurred at the alterative area of diameter of case, when semi-combustible cartridge was upright and unloaded. The stress of intersection between the case and metal pedestal reached maximum value. The case deformation of semi-combustible cartridge was larger, but the deformation everywhere of metal pedestal closed to zero. The maximum stresses of the case and metal pedestal were far less than allowable stress of material, so the whole semi-combustible cartridge remained secure.


Huang H.-T.,Beijing Institute of Technology | Zou M.-S.,Beijing Institute of Technology | Guo X.-Y.,Beijing Institute of Technology | Yang R.-J.,Beijing Institute of Technology | And 3 more authors.
Journal of Energetic Materials | Year: 2014

Experiments were conducted to study the effect of magnesium-aluminum alloy on the combustion performance of hydroreactive fuel propellants. The raw metal powders added to the propellants were ball-milled magnesium-50% aluminum alloy (m-AM), magnesium-50% aluminum alloy (AM), and Al and magnesium (Mg) powders, which were characterized using scanning electron microscopy, X-ray diffraction (XRD), and simultaneous thermogravimetric analysis (TGA). A high-pressure combustor and a metal/steam reactor were used to simulate the two-stage combustion of hydroreactive propellants used for a water ramjet. The combustion performance of the metal powders in propellant was studied experimentally, and the efficiency of the Al reaction in the propellants during the two-stage combustion was calculated. TGA traces in air indicated that the oxidation onset temperature of AM powders is much lower than for both Mg and Al powders. The XRD patterns for the AM and m-AM alloys exhibited Al12Mg17 diffraction peaks. The hydroreactive fuel propellant systems with added m-AM powder exhibited good performance in terms of burning rate, combustion heat, and the Al reaction efficiency, which was better than that for the propellants containing AM, Mg, and Al powders. At the pressure studied (3.0 MPa), the burning rate of the m-AM-containing propellant was found to be 15 mm s-1, and the heat of primary combustion was 6,878.1 kJ kg-1. © 2014 Copyright Taylor & Francis Group, LLC.


Xiao L.-Q.,Nanjing University of Science and Technology | Li Y.,Nanjing University of Science and Technology | Zuo H.-L.,Nanjing University of Science and Technology | Zou W.-W.,Nanjing University of Science and Technology | And 3 more authors.
Binggong Xuebao/Acta Armamentarii | Year: 2011

A fractal pore structure model of combustible cartridge case was established by virtue of the fractal geometry. Pore structure information, such as backbone fractal dimension and percolation fractal dimension, of four kinds of combustible cartridge were obtained by mercury intrusion porosimetry (MIP) test. The formation mechanism of fractal pore structure of combustible cartridge was studied with mechanical properties. The results show that the backbone fractal dimension is formed of the space of component and influenced by the number and size of components; the percolation fractal dimension reflects the pore structure of components themselves; and the fractal dimension of pore structure is positively related to the tensile strength of combustible cartridge.


Wang J.-N.,Xi'an Modern Chemistry Research Institute | Zheng W.,Xi'an Modern Chemistry Research Institute | Shu A.-M.,Xian North Huian Chemical Co. | Chen Z.-H.,Xian North Huian Chemical Co. | And 3 more authors.
Huozhayao Xuebao/Chinese Journal of Explosives and Propellants | Year: 2013

The formulation of composite modified double base(CMDB) propellant containing different content of hexaazaisowurtzitane(CL-20) or RDX was designed. The effects of the CL-20 or RDX content on combustion properties of two groups CMDB propellants were studied. The results show that the burning rate of CMDB propellant containing CL-20 in the pressure range of 2-20MPa is higher than that of CMDB propellant containing RDX. The pressure exponent of CMDB propellant containing CL-20 increases with the increase in the content of CL-20. Some catalysts lead salts, copper salts and carbon black used at present can adjust the combustion characteristics of the propellants containing CL-20.


Yu H.-J.,Xi'an Modern Chemistry Research Institute | Li J.-Z.,Xi'an Modern Chemistry Research Institute | Shu A.-M.,Xian North Huian Chemical Co. | Fan X.-Z.,Xi'an Modern Chemistry Research Institute | And 2 more authors.
Huozhayao Xuebao/Chinese Journal of Explosives and Propellants | Year: 2013

Influences of the granularity of RDX, HMX and AP and their mixtures on the burning rate, pressure exponent and flame structure of the Stellate GAP (S-GAP) based propellant were experimentally studied by the determination of burning rate and analysis of flame structure. Results show that the combustion of S-GAP based propellant with AP is obviously more intense than the propellants with RDX or HMX. Thus, the burning rates of S-GAP based propellant with AP, especially AP with small granularity, are obviously higher than those of the propellants with RDX or HMX. The pressure exponent of S-GAP based propellant at 2-20 MPa can be decreased by the mixtures of RDX or HMX with AP in a certain extent.


Yu H.-J.,Xi'an Modern Chemistry Research Institute | Li D.,Xi'an Modern Chemistry Research Institute | Zhu X.-H.,Xian North Huian Chemical Co. | Li J.-Z.,Xi'an Modern Chemistry Research Institute | And 5 more authors.
Huozhayao Xuebao/Chinese Journal of Explosives and Propellants | Year: 2013

Influences of double-metal organic salts, such as PbCuDS, β-PbCu, PbCuMu, PbCuNI, BiPbGA, BiCuGA, and the mixtures of double-metal organic salts and carbon black on the combustion characteristics of GAP (S-GAP) based propellant at 2-20 MPa were experimentally studied. Results show that the burning rates of S-GAP propellant can be improved obviously by the addition of double-metal organic salts or the mixtures of double-metal organic salts and CB, and the burning pressure exponents of S-GAP propellant in the pressure range of 2-10 MPa can be reduced to lower than 0.30 by the addition of the mixtures of PbCuNI, or BiCuGA and carbon black.


Liao L.,Northwestern Polytechnical University | Liao L.,Xi'an Modern Chemistry Research Institute | Pang W.,Xi'an Modern Chemistry Research Institute | Xu H.,Xi'an Modern Chemistry Research Institute | And 3 more authors.
Advanced Materials Research | Year: 2013

The physic-chemical characteristics of spherical and coarse magnesium particles were determined. The rheological properties of Mg/HTPB mixtures were investigated. The burning rate performance and mechanical properties of fuel rich propellant were evaluated. The results show that the spherical magnesium particles could be dispersed in the HTPB binder with lower viscosity and yield stress than those of the coarse ones. The burning rate and pressure exponent of propellant with spherical particles increased compared with the coarse ones, and the percent elongation is much higher than that of coarse one, whereas, the tensile strength shows reverse. © (2013) Trans Tech Publications, Switzerland.


Wang H.,Xi'an Modern Chemistry Research Institute | Shu A.-M.,Xian North Huian Chemical Co. | Fan X.-Z.,Xi'an Modern Chemistry Research Institute | Liu X.-G.,Xi'an Modern Chemistry Research Institute | And 2 more authors.
Huozhayao Xuebao/Chinese Journal of Explosives and Propellants | Year: 2010

The compatibility of tributyl citrate (TBC) with NC/ NG, ammonium Perchlorate (AP), hexogen (RDX), octogen (HMX), N-nitro-dihydroxyethy- lamiediitrate (DINA) and resorinol (Res), the miscibility of the NC-TBC/NG mixed system and the effects of substitution of TBC for dibutyl phthalate (DBP), diethyl phthalate (DEP) and TG on the mechanical property and physical cross-linking densitys of casting CMDB propellant were studied by means of vacuum stability tast (VST) metheod, observation method and uniaxial tensile test, respectively. The results showed that the mixed systems of TBC and contacted materials, NC/NG, AP, RDX, HMX, DINA and Res are compatible, and mixed system of NC-TBC/NG is of great miscibility. The mechanical properties of this propellant didn't change obviously when DBP and DEP were replaced by TBC. However, by replacing NG with TBC, the mechanical properties of the propellants changed a lot. The tensile strength and physical cross-linking density of the propellants decrease with increasing the quantity of TBC at + 20 C and + 50 C, while the elongation of the propellants increase at +20 C and +50 C.


Zou W.-W.,Nanjing University of Science and Technology | Zheng Q.-L.,Nanjing University of Science and Technology | Zhou W.-L.,Nanjing University of Science and Technology | Tian S.-C.,Xian North Huian Chemical Co. | Zhao Z.-Y.,Xian North Huian Chemical Co.
Dandao Xuebao/Journal of Ballistics | Year: 2014

To study the actual burning rules of small-bore combustile-cartridge-case (CCC) charge in bore, the actual burning-gas formation function using potential equilibrium interior ballistic equations was established by using the theory of potential equilibrium, which were based on the measured p-t curves of the main charge and small-bore CCC. By the models, the interior ballistic process of 25 mm ballistic mortar with small-bore CCC charge was simulated. Results show that the combustion process of small-bore combustible CCC can be classified as burning completion stage of CCC, burning out of CCC to potential equilibrium point stage and particle combustion stage, which were expressed as trinomial. The calculation results based on the actual burning gas formation function of small-bore combustible CCC were in good agreement with experimental data. So the potential equilibrium theory can describe the actual rules of combustion of small-bore combustible CCC in the bore.

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