CN103962553A - Heat release material and preparing method thereof - Google Patents
Heat release material and preparing method thereof Download PDFInfo
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- CN103962553A CN103962553A CN201410179093.9A CN201410179093A CN103962553A CN 103962553 A CN103962553 A CN 103962553A CN 201410179093 A CN201410179093 A CN 201410179093A CN 103962553 A CN103962553 A CN 103962553A
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- powder
- heat release
- release material
- compression molding
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Abstract
The invention provides a heat release material and a preparing method thereof. The preparing method comprises the following steps that (1), nickel powder and aluminum powder are taken and fully mixed according to the substance amount ratio of the nickel powder to aluminum powder to prepare the mixed powder, wherein the substance amount ratio of the nickel powder to aluminum powder is 1:4-4:1; (2) diamond powder, graphite powder, starch, paraffin or diluent bounded by UHU is added into the mixed powder in the step (1); (3) the mixed powder with the diluent is placed into a metal mould to be formed in a pressure mode, the pressure forming temperature ranges from 20 DEG C to 60 DEG C, the temperature rising mode is 15 DEG C -45 DEG C per minute, the pressure forming pressure is 250 MPa -500 MPa, and a final product with the pressing thickness of 0.1 mm-10 mm is obtained after forming and mould releasing. The extruding technology is used for preparing the Ni-Al material, under a certain condition, the material can release heat instantly or continuously, and the temperature can be more than 1500 DEG C; the heat release material prepared through the preparing method can be used as an auxiliary heat release material, heat dissipated to the surrounding by the material is obviously increased, and a Ni-Al alloy can be obtained at the same time.
Description
Technical field
The present invention relates to material technology field, be specifically related to a kind of heat release material and preparation method thereof.
Background technology
Along with going deep into that the civilian goods such as weapon and petroleum perforation charge such as high explosive anti-tank cartridge, penetration bullet are studied, beehive-shaped charge effect is more and more subject to attention both domestic and external.Cavity liner is the critical piece that forms jet, is bearing the breaking-up effect to target.Cavity liner forms metal jet at a high speed under detonation wave effect, wears and penetrates or penetrate objective body.For reaching good destruction, wish that metal jet has penetrativeness strong, permeability high.In the many factors of decision penetration property, shaped charge material plays a crucial role, and suitable shaped charge material can improve the penetration property of warhead to some extent.According to penetration fluid dynamic theory, cavity liner forms longer and stable jet and requires shaped charge material to possess high density, the high velocity of sound, the good performance such as thermal conductivity, high Dynamic Fracture percentage elongation.At present, there is two different directions, i.e. simple metal and heterogeneous composite material in the investigation of materials of high explosive anti-tank cartridge drug-shaped cover.Simple metal shaped charge material mainly comprises Cu, Ni, Mo, W, Ta etc.The U.S., Japan, Germany etc. mainly concentrate on electroforming Ni, W and alloy thereof, Mo, the research of Ta etc.In addition, the United States, Russia has also carried out the research of Depleted Uranium Alloys shaped charge material.Heterogeneous composite material cavity liner, as W-Cu, Cu-Ni-W, Ta-Cu etc., it is the metal or alloy different performance, according to the designing requirement of the drug-shaped cover performance comprehensive advantage that combines.For further improving the upper function of cavity liner, can will optimize integration containing energy material and traditional shaped charge material, in ensureing the normal penetration of jet, make full use of the performance such as heat release, detonation of energetic material, further improve the performance of Shaped charge warhead.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of heat release material and preparation method thereof is provided, the method is prepared heat release material by extrusion technique, equipment is simple, flexible operation, the engineering time is shorter, and efficiency is high, its heat release material can be realized instantaneous or continuous heat release under certain condition, and exothermic temperature is up to 1500
omore than C, can be for improving explosion, wearing the Penetration Ability of penetrating etc. in operation.
The technical scheme adopting is:
A kind of heat release material, is that the nickel powder of 1～20 μ m and particle diameter are that the aluminium powder of 10～50 μ m mixes by particle diameter, makes through compression molding, and the ratio of the amount of substance of its nickel powder and aluminium powder is:
1∶4～4∶1。
A preparation method for heat release material, comprises the steps:
(1) getting nickel powder and aluminium powder, is that 1:4～4:1 is fully mixed by nickel powder, aluminium powder by the ratio of the amount of substance of nickel powder and aluminium powder, makes mixed-powder;
(2) in the mixed-powder of step (1), add diluent;
(3) mixed-powder that adds diluent is put into metal pattern and carry out compression molding, compression molding temperature is 20～60
oC, heating mode is 15～45
oC/ minute, compression molding pressure is 250～500MPa, and after moulding, the demoulding obtains final products, and the compacting thickness of final products is 0.1～10mm.
Above-mentioned diluent is selected bortz powder, graphite powder, starch, paraffin or UHU binding agent.
Above-mentioned compression molding pressure is preferably 300MPa.
Above-mentioned compression molding temperature is preferably 40
oC.
Compared with prior art, the invention has the beneficial effects as follows:
1. the final products that prepared by the present invention can be ignited under high-temperature and high-pressure conditions, and after igniting, material is by the high temperature (1800-5000K) that reaches conventional heating technology and do not reach.
2. by the change of composition proportion and mode of heating, both can realize instantaneous heat release, also can realize continuous heat release.
3. can be used for preparing a series of Ni-Al alloys under extreme condition.
Brief description of the drawings
Fig. 1 is embodiment 1 product base sample section X-ray diffractogram.
Fig. 2 is the cross-section morphology photo of embodiment 1 product base sample.
Fig. 3 is the DSC collection of illustrative plates of embodiment 1 product base sample generation exothermic reaction.
Detailed description of the invention
With example, these preparation method and application are further illustrated by reference to the accompanying drawings.
Embodiment 1.
First getting particle diameter is that 10 μ m nickel powders, particle diameter are 30 μ m aluminium powders, is that 1:1 is fully mixed by the ratio of the amount of substance of nickel powder and aluminium powder, puts into ball mill, and under the condition of turn 150/min, ball milling 30 minutes, makes mixed-powder; In described mixed-powder, add UHU binding agent as diluent, then the mixed-powder that adds diluent is put into metal pattern and carry out compression molding, compression molding temperature is 40
oC, heating mode is 20
oC/ minute, compression molding pressure is 300MPa, and after moulding, the demoulding obtains final products, and the compacting thickness of final products is 5mm.
Fig. 1 is the X-ray diffractogram of the product base sample section prepared of embodiment 1, mixed through ball milling and be pressed into after base as we can see from the figure, can obtain Ni and Al is single-phase, and does not have oxide to occur.Fig. 2 is the cross-section morphology photo of product base sample, detects through EDS, and known white particles is nickel particle, and black bulky grain is alumina particles, can observe nickel even particle distribution and alumina particles is enclosed in around nickel particle in Fig. 2.Fig. 3 is that the base sample for preparing under example 1 condition is at N
2under protection, heating rate 20
oC/ min, measurement temperature range is room temperature to 1000
oCtime DSC curve.Temperature corresponding to exothermic peak is the temperature of ignition reaction, and at this temperature, violent exothermic reaction occurs product base sample.
Heat release material prepared by the present invention, under certain condition can be by the release heat of igniting, and reaches the temperature higher than ignition temperature.The heat release material of preparing with the present invention can be applied as auxiliary exothermic material, obviously increases the heat that material distributes towards periphery.For example, as cavity liner lining, after cavity liner is ignited by explosive, matrix material forms high-speed jet with the speed of 3000～7000m/s, and lining material can be realized continuous exothermic reaction simultaneously, make product in the time arriving target, continue the heat release of blasting, thereby improve Penetration Depth and penetration area.
Embodiment 2.
First getting nickel powder, the particle diameter that particle diameter is 1 μ m is the aluminium powder of 10 μ m, be that 1:4 is fully mixed by the ratio of the amount of substance of nickel powder and aluminium powder, put into ball mill, under the condition of turn 150/min, ball milling 30 minutes, makes mixed-powder, adds diluent bortz powder in described mixed-powder, again the mixed-powder that adds diluent is put into metal pattern and carry out compression molding, compression molding temperature is 20
oC, heating mode is 15
oC/ minute, compression molding pressure is 250MPa, and after moulding, the demoulding obtains final products, and the compacting thickness of final products is 0.1mm.
Embodiment 3.
First getting nickel powder, the particle diameter that particle diameter is 20 μ m is the aluminium powder of 50 μ m, be that 4:1 is fully mixed by the ratio of the amount of substance of nickel powder and aluminium powder, put into ball mill, under the condition of turn 150/min, ball milling 30 minutes, makes mixed-powder, in described mixed-powder, add diluent, diluent is selected graphite powder, then the mixed-powder that adds diluent is put into metal pattern and carry out compression molding, and compression molding temperature is 60
oC, heating mode is 45
oC/ minute, compression molding pressure is 500MPa, and after moulding, the demoulding obtains final products, and the compacting thickness of final products is 10mm.
Embodiment 4
First getting nickel powder, the particle diameter that particle diameter is 10 μ m is the aluminium powder of 30 μ m, be that 1:2 is fully mixed by the ratio of the amount of substance of nickel powder and aluminium powder, put into ball mill, under the condition of turn 150/min, ball milling 30 minutes, makes mixed-powder, in described mixed-powder, add diluent, diluent is selected starch, then the mixed-powder that adds diluent is put into metal pattern and carry out compression molding, and compression molding temperature is 40
oc, heating mode is 30
oc/ minute, compression molding pressure is 300MPa, and after moulding, the demoulding obtains final products, and the compacting thickness of final products is 5mm.
Embodiment 5
First getting nickel powder, the particle diameter that particle diameter is 15 μ m is the aluminium powder of 40 μ m, be that 2:1 is fully mixed by the ratio of the amount of substance of nickel powder and aluminium powder, put into ball mill, under the condition of turn 150/min, ball milling 30 minutes, makes mixed-powder, in described mixed-powder, add diluent, diluent is selected paraffin, then the mixed-powder that adds diluent is put into metal pattern and carry out compression molding, and compression molding temperature is 25
oC, heating mode is 40
oC/ minute, compression molding pressure is 300MPa, and after moulding, the demoulding obtains final products, and the compacting thickness of final products is 8mm.
Claims (5)
1. a heat release material, is characterized in that this heat release material is that the nickel powder of 1～20 μ m and particle diameter are that the aluminium powder of 10～50 μ m mixes by particle diameter, makes through compression molding, and the ratio of the amount of substance of its nickel powder and aluminium powder is: 1: 4～4: 1.
2. the preparation method of a kind of heat release material according to claim 1, is characterized in that comprising the steps:
(1) getting nickel powder and aluminium powder, is that 1:4～4:1 is fully mixed by nickel powder, aluminium powder by the ratio of the amount of substance of nickel powder and aluminium powder, makes mixed-powder;
(2) in the mixed-powder of step (1), add diluent;
(3) mixed-powder that adds diluent is put into metal pattern and carry out compression molding, compression molding temperature is 20～60
oC, heating mode is 15～45
oC/ minute, compression molding pressure is 250～500MPa, and after moulding, the demoulding obtains final products, and the compacting thickness of final products is 0.1～10mm.
3. the preparation method of a kind of heat release material according to claim 2, the diluent described in it is characterized in that is selected bortz powder, graphite powder, starch, paraffin or UHU binding agent.
4. the preparation method of a kind of heat release material according to claim 2, is characterized in that described compression molding pressure is preferably 300MPa.
5. the preparation method of a kind of heat release material according to claim 2, is characterized in that described compression molding temperature is preferably 40
oC.
Priority Applications (1)
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|---|---|---|---|
| CN201410179093.9A CN103962553A (en) | 2014-04-30 | 2014-04-30 | Heat release material and preparing method thereof |
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| CN201410179093.9A CN103962553A (en) | 2014-04-30 | 2014-04-30 | Heat release material and preparing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964595A (en) * | 2017-12-06 | 2018-04-27 | 中国兵器工业第五九研究所 | The preparation method of cavity liner high-purity fine grain pure copper material |
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| US20120234194A1 (en) * | 2010-03-09 | 2012-09-20 | Halliburton Energy Services, Inc. | Shaped Charge Liner Comprised of Reactive Materials |
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| CN107964595A (en) * | 2017-12-06 | 2018-04-27 | 中国兵器工业第五九研究所 | The preparation method of cavity liner high-purity fine grain pure copper material |
| CN107964595B (en) * | 2017-12-06 | 2020-04-07 | 中国兵器工业第五九研究所 | Preparation method of high-purity fine-grain pure copper material for shaped charge liner |
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Inventor after: Lv Xiao Inventor after: Zhang Xueping Inventor after: Duan Zhanqiang Inventor after: Zhang Gang Inventor after: Hao Yongping Inventor before: Lv Xiao Inventor before: Duan Zhanqiang Inventor before: Zhang Gang Inventor before: Hao Yongping |
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Free format text: CORRECT: INVENTOR; FROM: LV XIAO DUAN ZHANQIANG ZHANG GANG HAO YONGPING TO: LV XIAO ZHANG XUEPING DUAN ZHANQIANG ZHANG GANG HAO YONGPING |
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Application publication date: 20140806 |