CN105349813A - Preparing method of novel light high-strength protection armour plate - Google Patents
Preparing method of novel light high-strength protection armour plate Download PDFInfo
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- CN105349813A CN105349813A CN201510698466.8A CN201510698466A CN105349813A CN 105349813 A CN105349813 A CN 105349813A CN 201510698466 A CN201510698466 A CN 201510698466A CN 105349813 A CN105349813 A CN 105349813A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
Abstract
The invention provides a preparing method of a novel light high-strength protection armour plate. The armour plate is of a multi-layer sandwich biscuit type composite structure, and the middle of the composite structure is connected with single-side interlayer metal plates with different plate thicknesses through heat diffusion. The preparing method of the armour plate comprises the steps of firstly, raw material mixing, secondly, preparing of a bag sleeve for powder containing, thirdly, adding of sample mixed powder into the prepared bag sleeve, fourthly, powder physical sintering and metal plate expansion heat dissipation connection, fifthly, solid solution heat treatment and sixthly, aging heat treatment. The method is suitable for bulletproof armour layers adopted by attacking of combat cars, gunship resistance small arms and anti-equipment weapons and production and preparation of the bulletproof armour layers.
Description
Technical field
The present invention relates to a kind of bulletproof equipment plate, specifically relate to a kind of preparation method of Novel light high-strength Protective armor plate.
Background technology
China's LAV adopts steel bulletproof armour always, and gunship adopts titanium alloy bulletproof armour.But future war all proposes more and more higher requirement to the long-range delivery ability of ground force, the payload capability of gunship, this just proposes rigors to equipment weight, and the steel armor used before making and titanium alloy armor can not meet the needs of following Weapon Development.Therefore need to provide that a kind of density is low, bulletproof effect good, anti-strike, cost is low, easily mass-produced, is applicable to the technical scheme that the armor plate of small-arms and anti-equipment weapon attacking resisted by LAV and armed helicopter.
Summary of the invention
The object of the invention is: the preparation method proposing a kind of Novel light high-strength Protective armor plate, make it be applicable to LAV and armed helicopter and resist small-arms and anti-equipment weapon attacking, to meet the requirement of growing military equipment.
Realize the object of the invention technical scheme as follows:
A kind of Novel light high-strength aluminium alloy Protective armor plate, described armor plate is laminated composite structure, shellproof sandwich of layers external application thermodiffusion in the middle of described composite structure is connected with the monolateral interlayer metallic plate of unlike material and thickness, its improvements are, described shellproof sandwich of layers comprises: graphene oxide, SiC particle and aluminium alloy; Described aluminium alloy is containing following component by mass percentage: Cu, 0.10%; Mg, 2.3 ~ 3.3%; Si, 0.30%; Ti, 0.10%; Fe, 0.40%; Zn, 3.5 ~ 4.5%; Mn, 0.10 ~ 0.40%; Cr, 0.15 ~ 0.25%; Surplus is customary impurities and Al.
In first optimal technical scheme of the present invention, graphene oxide 0.5% ~ 3% by mass percentage and SiC particle 35% ~ 55%.
In second optimal technical scheme of the present invention, the graphene oxide of 1.5% ~ 2.0%.
In 3rd optimal technical scheme of the present invention, the SiC particle of 45% ~ 55%.
In 4th optimal technical scheme of the present invention, the graphene oxide of 2.0% and the SiC particle of 40%.
In 5th optimal technical scheme of the present invention, the thickness proportion of shellproof sandwich of layers thickness and monolateral interlayer metallic plate is 3:1 ~ 6:1.
In 6th optimal technical scheme of the present invention, the thickness proportion of shellproof sandwich of layers thickness and monolateral interlayer metallic plate is 3:1 ~ 4:1.
In 7th optimal technical scheme of the present invention, described monolateral interlayer metallic plate is one or both clad metal sheet.
In 8th optimal technical scheme of the present invention, SiC particle is the SiC particle of D50=3 ~ 20um.The preparation method of high-strength light Protective armor plate provided by the invention comprises the steps: 1) mixing raw material; 2) preparation dress powder jacket; 3) sample mix powder is loaded in the jacket prepared; 4) powder physics sintering and sheet metal expansion heat are fallen apart and are connected; 5) solution heat treatment; 6) aging strengthening model.
Further, in the V-type mixing equipment filling graphene oxide, SiC and described Al alloy powder, the ratio being 10:1 in the volume ratio of described mixed powder adds ethanol; Under 10 ~ 30 revs/min of rotating speeds, mix 4 ~ 14 hours obtain mixed powder material;
After drying described powder, in V-type mixing equipment, within 4 ~ 14 hours, obtain mixed powder with the rotating speed of 10 ~ 30 revs/min mixing.
In second preferred method of preparation method provided by the invention, the length of described dress powder jacket and width comparatively the finished product large 5%, the thickness of jacket metal and the ratio of middle cavity thickness are 3:1 ~ 6:1.
In 3rd preferred method of preparation method provided by the invention, gained powder tap density to 2.0 ~ 2.4g/cm
3.
In 4th preferred method of preparation method provided by the invention, described thermodiffusion condition: pressure 90MPa ~ 300MPa, temperature 400 DEG C ~ 500 DEG C, 30 minutes ~ 2 hours time.
In 5th preferred method of preparation method provided by the invention, solution heat treatment 1 ~ 2 hour at 470 ~ 480 DEG C, cold-water quench.
In 6th preferred method of preparation method provided by the invention, aging strengthening model 11 ~ 13 hours at 120 ~ 130 DEG C.
With immediate prior art ratio, technical scheme provided by the invention has following excellent effect:
1, density is low, and protection effect is good.Bulletproof armour plate density prepared by the present invention is lower than 3.1g/cm
3, be only 1/3rd of armour plate, 2/3rds of shellproof titanium alloy sheet.Through actual test of practicing shooting, Protective armor plate prepared by the present invention, its bulletproof effect and anti-repeatedly striking capabilities, significantly better than the shellproof titanium alloy sheet of condition of equivalent thickness, are also better than the armour plate of condition of equivalent thickness.
2, the bulletproof armour plate that 1 kilogram involved in the present invention is often used, compared to the old material of use, LAV and armed helicopter loss of weight 0.5 ~ 1.5 kilogram can be made, clearly, for promoting the long-range delivery ability of China's Light armoured vehicle, lifting gunship useful load makes favorable attributes to weight loss effect.
3, production cost is low, easily realizes preparation of industrialization, and operating procedure is easy simultaneously, is beneficial to production control.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
A kind of Novel light high-strength Protective armor plate and preparation method thereof, mixed oxidization Graphene, SiC and Al alloy powder, again through the superhard shellproof sandwich of layers of ermal physics sintering preparation high damping, and adopt two-layer or four layers of different thickness and material metal to carry out thermodiffusion with this shellproof sandwich of layers to be connected, the Sandwich biscuit type composite structure of final formation three layers or five layers, obtains density lower than 3.1g/cm
3high-strength light Protective armor plate.
Preparation process is as follows:
(1) in 10 ~ 30 revs/min of rotating speeds, the graphene oxide of 0.5% ~ 3% is housed, mass percent is the SiC of 35% ~ 55%, and in the V-type mixing equipment of the Al alloy powder of residual mass mark, the ratio being 10:1 in long-pending ratio adds ethanolic soln, carry out wet-mixed, mix 4 ~ 14 hours; Subsequently dry mixed powder prepared by wet-mixed, after complete drying, carry out dry mixed in V-type mixing equipment, mix 4 ~ 14 hours, rotating speed is 10 ~ 30 revs/min.
(2) powder mixed is loaded in aluminium alloy jacket, to powder tap density to 2.0 ~ 2.4g/cm
3.
(3) at 90MPa ~ 300Mpa pressure and 400 DEG C ~ 500 DEG C, process 30 minutes ~ 2 hours, synchronously complete powder physics sintering and be connected with sheet metal diffusion.
(4) first the tank board prepared is carried out solution heat treatment, thermal treatment temp is 470 ~ 480 DEG C, and 1 ~ 2 hour time, cold-water quench, then carries out artificial aging process, and thermal treatment temp is 120 ~ 130 DEG C, 11 ~ 13 hours time.
Embodiment 1: adopt the superhard shellproof sandwich of layers of the 4mm thick high damping of thick LF21 aluminium alloy-12mm, two-layer structure, the thickness proportion of the superhard shellproof sandwich of layers thickness of high damping and monolateral interlayer metallic plate is 3:1;
Embodiment 2: adopt the superhard shellproof sandwich of layers of the 4mm thick high damping of thick LF21 aluminium alloy-16mm, two-layer structure, the thickness proportion of the superhard shellproof sandwich of layers thickness of high damping and monolateral interlayer metallic plate is 4:1;
Embodiment 3: adopt the superhard shellproof sandwich of layers of the 4mm thick high damping of thick LF21 aluminium alloy-24mm, two-layer structure, the thickness proportion of the superhard shellproof sandwich of layers thickness of high damping and monolateral interlayer metallic plate is 6:1;
The shellproofization effect of heterogeneity bottom plating plate is in Table.Except being otherwise noted, in table, percentage composition is massfraction.
Table 1 heterogeneity armour bulletproof effect contrast (sandwich of layers thickness: monolateral layer thickness=3:1)
Table 2 heterogeneity armour bulletproof effect contrast (sandwich of layers thickness: monolateral layer thickness=4:1)
Table 3 heterogeneity armour bulletproof effect contrast (sandwich of layers thickness: monolateral layer thickness=6:1)
By the data display of table 1, table 2 and table 3, absolutely prove that the bulletproof armour plate prepared through the inventive method possesses low density and efficiently shellproof effect.
A kind of Novel light high-strength Protective armor plate provided in the present invention and preparation method thereof, only adopt monolateral metal level and shellproof sandwich of layers compound, can reach that density is low, own body weight is light, bulletproof effect is excellent, and bulletproof effect and anti-repeatedly striking capabilities are significantly better than the shellproof titanium alloy sheet of condition of equivalent thickness, also be better than the armour plate of condition of equivalent thickness, production cost is low simultaneously, easily realizes preparation of industrialization, operating procedure is easy simultaneously, is beneficial to production control.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; those of ordinary skill in the field are to be understood that; can modify to the specific embodiment of the present invention with reference to above-described embodiment or equivalent to replace, these do not depart from any amendment of spirit and scope of the invention or equivalently to replace within the claims that all awaits the reply in application.
Claims (13)
1. the preparation method of a Novel light high-strength Protective armor plate, described armor plate is laminated composite structure, shellproof sandwich of layers external application thermodiffusion in the middle of described composite structure is connected with the monolateral interlayer metallic plate of unlike material and thickness, it is characterized in that, described shellproof sandwich of layers comprises: graphene oxide, SiC particle and aluminium alloy; Described aluminium alloy is containing following component by mass percentage: Cu, 0.10%; Mg, 2.3 ~ 3.3%; Si, 0.30%; Ti, 0.10%; Fe, 0.40%; Zn, 3.5 ~ 4.5%; Mn, 0.10 ~ 0.40%; Cr, 0.15 ~ 0.25%; Surplus is customary impurities and Al, and the step of described preparation method is as follows:
1) mixing raw material;
2) preparation dress powder jacket;
3) mixed powder is loaded in jacket;
4) powder physics sintering and sheet metal expansion heat are fallen apart and are connected;
5) solution heat treatment;
6) aging strengthening model.
2. preparation method according to claim 1, is characterized in that, described step 1) in, choose graphene oxide, SiC and Al alloy powder according to certain ratio and mix;
(1) mixed powder that graphene oxide, SiC and Al alloy powder form is added in V-type mixing equipment, and pour ethanolic soln into, carry out wet-mixed;
(2) mixed powder prepared by previous step is dried, after complete drying, in V-type mixing equipment, carry out dry mixed.
3. preparation method as claimed in claim 2, it is characterized in that, the volume ratio of described mixed powder and ethanolic soln is 10:1.
4. preparation method as claimed in claim 2, is characterized in that, described wet-mixed and described dry mixed will select 4 ~ 14 hours according to powder weight mixing time, and the rotating speed selecting V-type mixing tank according to powder proportions is 10 ~ 30 revs/min.
5. preparation method according to claim 1, is characterized in that, described step 2) in, the length of described dress powder jacket and width comparatively the finished product large 5%, the thickness of jacket metal and the ratio of middle cavity thickness are 3:1 ~ 6:1.
6. preparation method according to claim 1, is characterized in that, described step 3) in, by gained powder tap density to 2.0 ~ 2.4g/cm
3.
7. preparation method according to claim 1, is characterized in that, described step 4) in, described thermodiffusion condition: pressure 90MPa ~ 300MPa, temperature 400 DEG C ~ 500 DEG C, 30 minutes ~ 2 hours time.
8. preparation method according to claim 7, is characterized in that, described thermodiffusion condition: pressure 220MPa.
9. preparation method according to claim 7, is characterized in that, described thermodiffusion condition: temperature 460 DEG C.
10. preparation method according to claim 7, is characterized in that, described thermodiffusion condition: 1 hour time.
11. preparation methods according to claim 7, is characterized in that, described thermodiffusion condition: pressure 220MPa, temperature 460 DEG C, 1 hour time.
12. preparation methods according to claim 1, is characterized in that, described step 5) in, solution heat treatment 1 ~ 2 hour at 470 ~ 480 DEG C, cold-water quench.
13. preparation methods according to claim 1, is characterized in that, described step 6) in, aging strengthening model 11 ~ 13 hours at 120 ~ 130 DEG C.
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| CN201510698466.8A CN105349813A (en) | 2015-10-23 | 2015-10-23 | Preparing method of novel light high-strength protection armour plate |
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| CN201510698466.8A CN105349813A (en) | 2015-10-23 | 2015-10-23 | Preparing method of novel light high-strength protection armour plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737674A (en) * | 2016-02-29 | 2016-07-06 | 中国航空工业集团公司北京航空材料研究院 | Manufacturing method of novel high-strength protecting armor plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125053A (en) * | 1974-10-29 | 1978-11-14 | General Dynamics Corporation | Armor |
| CN104848748A (en) * | 2015-05-15 | 2015-08-19 | 中国航空工业集团公司北京航空材料研究院 | Light armored armor and preparation method thereof |
| CN104964607A (en) * | 2015-05-15 | 2015-10-07 | 中国航空工业集团公司北京航空材料研究院 | Armor plate with reinforcing-phase gradient layers and preparation method thereof |
| CN104964608A (en) * | 2015-05-15 | 2015-10-07 | 中国航空工业集团公司北京航空材料研究院 | Armor plate with continuous gradient reinforcing phase and preparation method thereof |
-
2015
- 2015-10-23 CN CN201510698466.8A patent/CN105349813A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125053A (en) * | 1974-10-29 | 1978-11-14 | General Dynamics Corporation | Armor |
| CN104848748A (en) * | 2015-05-15 | 2015-08-19 | 中国航空工业集团公司北京航空材料研究院 | Light armored armor and preparation method thereof |
| CN104964607A (en) * | 2015-05-15 | 2015-10-07 | 中国航空工业集团公司北京航空材料研究院 | Armor plate with reinforcing-phase gradient layers and preparation method thereof |
| CN104964608A (en) * | 2015-05-15 | 2015-10-07 | 中国航空工业集团公司北京航空材料研究院 | Armor plate with continuous gradient reinforcing phase and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| W.F.史密斯: "《工程合金的组织和性能》", 31 July 1984, 冶金工业出版社 * |
| 吴欣凤等: "《GB/T 3190-2008 中华人民共和国国家标准 变形铝及铝合金化学成分》", 17 June 2008, 中国标准出版社 * |
| 杨光等: "《飞机制造技术现状与应用前景》", 31 May 2015, 广东经济出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737674A (en) * | 2016-02-29 | 2016-07-06 | 中国航空工业集团公司北京航空材料研究院 | Manufacturing method of novel high-strength protecting armor plate |
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