CN104276366A - Corrosion-resistant and abrasion-resistant explosion suppression material and preparation method thereof - Google Patents
Corrosion-resistant and abrasion-resistant explosion suppression material and preparation method thereof Download PDFInfo
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- CN104276366A CN104276366A CN201410521860.XA CN201410521860A CN104276366A CN 104276366 A CN104276366 A CN 104276366A CN 201410521860 A CN201410521860 A CN 201410521860A CN 104276366 A CN104276366 A CN 104276366A
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- aluminum alloy
- alloy body
- suppressing material
- resistant explosion
- anticorrosive wear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
-
- 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
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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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03032—Manufacturing of fuel tanks
- B60K2015/03039—Manufacturing of fuel tanks made of a combination of non metallic and metallic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03032—Manufacturing of fuel tanks
- B60K2015/03059—Fuel tanks with double shells or more
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/03381—Arrangements or special measures related to fuel tanks or fuel handling for preventing explosions
Abstract
The invention relates to a corrosion-resistant and abrasion-resistant explosion suppression material and a preparation method thereof. The explosion suppression material comprises a rectangular aluminum body, an inner protection layer, an outer protection layer and end face protection layers. The inner protection layer is formed on the inner surface of the aluminum body which is in a stereo honeycombed structure, the outer protection layer is formed on the outer surface of the aluminum body, the end face protection layers are formed on the upper and lower end faces of the aluminum body respectively, and the protection layers are all made of oxides. The aluminum body is provided with an orientation boundary line extending along the whole length direction of the aluminum body and is partitioned by the orientation boundary line into a first portion and a second portion, the first portion and the second portion are different in orientation, the center lines of all honeycombed holes of the first portion are parallel, the center lines of all honeycombed holes of the second portion are parallel, the center lines of the honeycombed holes of the first portion and the center lines of the honeycombed holes of the second portion are intersected to form an included angle of 20-140 degrees. The corrosion-resistant and abrasion-resistant explosion suppression material has the advantages of excellent corrosion resistance, high abrasion resistance, high strength and less proneness to collapse.
Description
Technical field
The present invention relates to a kind of explosion-suppressing material and preparation method thereof.
Background technology
In recent years along with the development of national economy, inflammable and explosive liquid (gas) bodies such as gasoline, blue gas, propane are applied more and more extensive in daily productive life.Usually, above-mentioned inflammable and explosive liquid (gas) body is stored in fuel tank.Fuel tank, the i.e. container of charge of oil, refer in particular to the device with diesel engine or gasoline engine driven machine storing bunker oil.Generally be filled with comb. miscellaneous gas at the head space of fuel tank, when there is burning things which may cause a fire disaster, burning things which may cause a fire disaster can ignite its contiguous miscellaneous gas, if the burning of miscellaneous gas can diffusion rapidly without restriction.Due to igniting and flame propagation, can produce the pressure wave increased progressively before flame front, the compression unburned mixture body that pressure wave is strong, will cause fuel tank explosion, whole process only has several milliseconds.So, in production, transport, store and in use procedure, because safety measure is improper or surprisingly often cause burning and explosion accident, often cause great property damage and personal casualty.Therefore dangerous chemical fire explosion is suppressed just more and more to cause the concern of people.
The appearance of various explosion-suppressing material in recent years efficiently solves inflammable and explosive liquid (gas) body in the safety issue of producing and in storage and transport process, and wherein the application of alloy netted explosion-suppressing material is particularly extensive.The netted explosion-suppressing material of alloy has the features such as good heat conductivity, electric conductivity is strong, specific surface area is large, after being fully distributed in fuel tank, effectively can contain flame transmission, make to fire pressure wave sharp-decay.The netted explosion-suppressing material of this alloy has higher surperficial usefulness in unit volume simultaneously, thus there is good heat absorptivity, can promptly by the heat absorption discharged that burns, temperature after combustion reaction is reduced, the degrees of expansion of reacting gas reduces, force value in container increases not quite, makes the terminal speed that burning velecity out of reach explodes, thus reaches datonation-inhibition object.
But, the netted explosion-suppressing material main component of alloy is the metal such as aluminium, magnesium, after the netted explosion-suppressing material of alloy of metal material uses a period of time in fuel tank, easily be oxidized when meeting the corrosive liquid such as soda acid and gas due to metal, anticorrosive degree extreme difference, easy formation fragment, can drop when being subject to vibrating chip, pollutes or result in blockage to delivery line to oil product; Meanwhile, can present and subside, thus explosion-suppressing material is accumulated in container bottom, the region of upper vessel portion defines explosive space, stores a large amount of explosive liquid in this space, owing to not having the protection of explosion-suppressing material, is easy to produce explosion phenomenon.
Summary of the invention
Technical matters to be solved by this invention overcome the deficiencies in the prior art, provide a kind of anticorrosive wear-resistant and the high explosion-suppressing material of intensity.
For overcoming the above problems, the present invention takes following technical scheme:
A kind of anticorrosive wear-resistant explosion-suppressing material, comprise and there is three-dimensional honeycomb net structure and shape is rectangular aluminum alloy body, the cancellated each honeycomb hole of three-dimensional honeycomb is regular hexagon cube, described anticorrosive wear-resistant explosion-suppressing material also comprises the inner protective layer be formed on the inside face of aluminum alloy body, be formed in the external protection on the outside face of aluminum alloy body and be formed in the end face protective cover on the upper and lower end face of aluminum alloy body, described inner protective layer, external protection and end face protective cover are formed by oxide, aluminum alloy body has the orientation boundary extended along its whole length direction, aluminum alloy body is divided into the different Part I of orientation and Part II by this orientation boundary, the line of centers of honeycomb holes all in Part I parallels, the line of centers of honeycomb holes all in Part II parallels, the line of centers of the honeycomb hole of Part I, the line of centers of the honeycomb hole of Part II intersects and angle is therebetween 20 ° ~ 140 °.
Preferably, described inner protective layer, external protection and end face protective cover are micro-arc oxidation films, and thickness is respectively 5 ~ 20 μm.
According to the present invention, described anticorrosive wear-resistant explosion-suppressing material is folded by aluminum alloy body and forms, and shape includes but not limited to cylinder, spheroid, cuboid, square etc.
Further, the distance that described orientation is demarcated between the long limit being limited to described aluminum alloy body is 1/4 ~ 1/2 of aluminum alloy body width.Preferably, the distance that orientation is demarcated between the long limit being limited to described aluminum alloy body is 1/3 ~ 1/2 of aluminum alloy body width, more preferably, the distance that orientation is demarcated between the long limit being limited to described aluminum alloy body is 1/2 of aluminum alloy body width.
Preferably, the angle between the line of centers of the line of centers of the honeycomb hole of described Part I, the honeycomb hole of Part II is 30 ° ~ 120 °.More preferably, the angle between the line of centers of the line of centers of the honeycomb hole of Part I, the honeycomb hole of Part II is 30 ° ~ 60 °.In a detailed description of the invention, the angle between the line of centers of the line of centers of the honeycomb hole of Part I, the honeycomb hole of Part II is 50 °.
According to a concrete aspect, the described orientation boundary direction well-distributed multiple boundary block parallel by the bearing of trend along the long limit with aluminum alloy body is formed, one, interval hexagonal hole between adjacent two boundary blocks, each boundary block has two dividing ranges on common limit, angle between these two dividing ranges is 20 ° ~ 140 °, a limit of the honeycomb hole of a formation Part I in two dividing ranges, another forms a limit of the honeycomb hole of Part II.
Further, the cubical monolateral length of described regular hexagon is generally 2.5 ~ 5mm, and monolateral thickness is generally 0.06 ~ 0.15mm.
Preferably, with weight, the composition of aluminum alloy body is as follows: Si:0.3% ~ 0.6%, Fe:0.3% ~ 0.7%, Cu:0.1% ~ 0.2%, Mn:0.8% ~ 1.8%, Mg:0 ~ 1.2%, Zn:0.08% ~ 0.12%, Ti:0.1% ~ 0.2%, Cr:0.01% ~ 0.1% and aluminium are surplus.
The another technical scheme that the present invention takes is: a kind of preparation method of above-mentioned anticorrosive wear-resistant explosion-suppressing material, and it comprises the following step carried out successively:
(1) alloy foil is divided the aluminium foil being cut to joint-cutting by grooving machine, then shaping rolling, then the aluminium foil after shaping rolling is carried out temper, drawback temperature is 220 DEG C-240 DEG C, tempering time is 8-10 hour, cuts rolling to the aluminium foil blowing after tempering;
(2) will through the aluminium foil of step (1) alongst bending certain angle, then draw in the net to expand formation and there is the cancellated aluminum alloy body of three-dimensional honeycomb, form described Part I in the side at the folding place of institute of aluminium foil, opposite side forms described Part II;
(3) step (2) gained aluminum alloy body is folded into the shape of needs;
(4) aluminum alloy body is put into the electrolytic bath of splendid attire battery acid, take aluminum alloy as anode, with stainless steel electrolytic groove for negative electrode, adopt and microarc oxidation equipment provided differential arc oxidation is carried out to aluminum alloy body, until the micro-arc oxidation films of the Surface Creation desired thickness of aluminum alloy body, obtain anticorrosive wear-resistant explosion-suppressing material.
Further, in step (4), bipolarity mao power source is adopted to carry out described differential arc oxidation process, forward voltage is 200V ~ 600V, negative voltage is 0V ~ 150V, and the differential arc oxidation processing time is 10 ~ 60min, and the thickness of the micro-arc oxidation films of formation is 5 ~ 20 μm.
According to the present invention, the battery acid of differential arc oxidation has common composition, wherein silicate, hydroxide and additive etc.
According to the present invention, joint-cutting and the conventional means drawing in the net all to grasp by those skilled in the art carry out, not special requirement.
Due to the employing of above technical scheme, the present invention compared with prior art has following advantage:
The decay resistance significantly improved than existing explosion-suppressing material is presented, wear resisting property and intensity by arranging protective cover and make aluminum alloy body be divided into along its length on aluminum alloy body surface the explosion-suppressing material that two different parts of orientation obtain.The design carried out the composition of aluminum alloy body further increases the corrosion stability of material, resistance to abrasion and intensity.
The inventive method successfully can obtain anticorrosive wear-resistant and the high explosion-suppressing material of intensity, and in addition, the inventive method technique is simple.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described in detail:
Fig. 1 is the perspective view according to aluminum alloy body of the present invention;
Fig. 2 is the local schematic front view according to aluminum alloy body of the present invention;
Fig. 3 is the schematic top plan view of explosion-suppressing material;
Fig. 4 is that the monolateral master of regular hexagon cube cuts open enlarged diagram;
Wherein: 1, aluminum alloy body; 10, orientation boundary; 10a, boundary block; 100a, dividing range; 11, Part I; ; 12, Part II; 11a, 12a, honeycomb hole; 2, inner protective layer; 3, external protection; 4,5, end face protective cover; 6, hexagonal hole.
Detailed description of the invention
The innovation of explosion-suppressing material of the present invention is mainly three aspects; one is; comprehensive Design is carried out to the composition of aluminum alloy body; make its Combination property particularly decay resistance and mechanical strength good; two are; protective cover is formed on the surface of aluminum alloy body; particularly by fire coat that differential arc oxidation is formed; improve decay resistance and wear resisting property; three are, improve the structure of aluminum alloy body, are embodied in 2 parts making aluminum alloy body be divided into orientation different along its length; the intensity of the explosion-suppressing material of formation like this is very good, not easily subsides.
Below in conjunction with specific embodiment, the present invention is described in further details.Should be understood that these embodiments are for illustration of groundwork of the present invention, principal character and advantage, and the present invention does not limit by the scope of following examples.The implementation condition adopted in embodiment can do further adjustment according to specific requirement, and not marked implementation condition is generally the condition in normal experiment.The all commercially available acquisition of the device adopted in embodiment and raw material.
Embodiment 1
See Fig. 1 to Fig. 4; the anticorrosive wear-resistant explosion-suppressing material of this example comprise there is three-dimensional honeycomb net structure and shape be rectangular aluminum alloy body 1, the inner protective layer 2 be formed on the inside face of aluminum alloy body 1, the end face protective cover 4 that is formed in the external protection 3 on the outside face of aluminum alloy body 1 and is formed on the upper and lower end face of aluminum alloy body 1; 5; inner protective layer 2, external protection 3 and end face protective cover 4,5 is formed by oxide.Further, oxide to be the thickness formed by micro-arc oxidation process the be micro-arc oxidation films of 5 ~ 20 μm.Anticorrosive wear-resistant explosion-suppressing material is folded by aluminum alloy body 1 and forms, and shape can be cylinder, spheroid, cuboid, square etc.
In this example, aluminum alloy body 1 has the orientation boundary 10 extended along its whole length direction, aluminum alloy body 1 is divided into the different Part I of orientation 11 and Part II 12 by this orientation boundary 10, the line of centers of honeycomb hole 11a all in Part I 11 parallels, the line of centers of honeycomb hole 12b all in Part II 12 parallels, and the line of centers of the line of centers of the honeycomb hole 11a of Part I 11, the honeycomb hole 12a of Part II 11 intersects.Take this structure, the intensity of explosion-suppressing material can be significantly improved, avoid material in use to occur problems such as subsiding.
Further, orientation boundary 10 to aluminum alloy body 1 long limit (the right in figure) between distance L be 1/2 of aluminum alloy body width W.In this example, width W is 350mm.
Angle between the line of centers of the line of centers of the honeycomb hole 11a of Part I 11, the honeycomb hole 12a of Part II 12 can be 20 ° ~ 140 °, is about 50 ° in this example.
Further, the orientation boundary 10 direction well-distributed multiple boundary block 10a parallel by the bearing of trend along the long limit with aluminum alloy body 1 is formed, one, interval hexagonal hole 6 between adjacent two boundary block 10a, each boundary block 10a has two dividing range 100a on common limit, angle α between these two dividing range 100a equals the angle between the line of centers of the line of centers of the honeycomb hole 11a of Part I 11 and the honeycomb hole 12a of Part II 12, can be 20 ° ~ 140 °.A limit of the honeycomb hole 11a of a formation Part I 11 in these two dividing range 100a, another forms a limit of the honeycomb hole 12a of Part II 12.
The cubical monolateral length b of regular hexagon is generally 2.5 ~ 5mm, and be 3mm in this example, monolateral thickness is generally 0.06 ~ 0.15mm, is 0.08mm in this example.The thickness c of explosion-suppressing material entirety is generally 1.5mm ~ 5mm, is 3mm in this example.
The composition of above-mentioned aluminum alloy body is as follows: Si:0.5%, Fe:0.5%, Cu:0.1%, Mn:1.2%, Mg:0.2%, Zn:0.1%, Ti:0.2%, Cr:0.05% and aluminium are surplus.
The preparation method of anticorrosive wear-resistant explosion-suppressing material is as follows:
(1) melting obtains the aluminium alloy ingots with described composition, and aluminium alloy ingots is rolled into alloy foil, alloy foil divides the aluminium foil being cut to joint-cutting by grooving machine, then shaping rolling, again the aluminium foil after shaping rolling is carried out temper, drawback temperature is 220 DEG C-240 DEG C, tempering time is 8-10 hour, cuts rolling to the aluminium foil blowing after tempering;
(2) will through the aluminium foil of step (1) alongst bending certain angle, then draw in the net to expand formation and there is the cancellated aluminum alloy body of three-dimensional honeycomb, form described Part I in the side at the folding place of institute of aluminium foil, opposite side forms described Part II;
(3) step (2) gained aluminum alloy body is folded reticulate, cut shaping further, make elongated, then made by marble forming machine spherical;
(4) aluminum alloy body is put into the electrolytic bath of splendid attire battery acid, take aluminum alloy as anode, with stainless steel electrolytic groove for negative electrode, adopt and microarc oxidation equipment provided differential arc oxidation is carried out to aluminum alloy body, until the micro-arc oxidation films of the Surface Creation thickness about 5 μm of aluminum alloy body, obtain anticorrosive wear-resistant explosion-suppressing material, wherein, bipolarity mao power source is adopted to carry out described differential arc oxidation process, forward voltage is 300V, negative voltage is 60V, the differential arc oxidation processing time is 30min, described battery acid is sodium silicate, the compound of potassium hydroxide and additive etc., the content of sodium silicate is 5 – 15g/L, the content of potassium hydroxide is 2 – 12g/L, the content of additive is 30 – 60ml/L.
Embodiment 2
The structure of the anticorrosive wear-resistant explosion-suppressing material that this example provides substantially with embodiment 1, unlike, wherein orientation boundary 10 to aluminum alloy body 1 a long limit between distance L be 1/4 of aluminum alloy body width W.
Embodiment 3
The structure of the anticorrosive wear-resistant explosion-suppressing material that this example provides substantially with embodiment 1, unlike, the angle α wherein between two dividing range 100a is 20 °.
Embodiment 4
The structure of the anticorrosive wear-resistant explosion-suppressing material that this example provides substantially with embodiment 1, unlike, the angle α wherein between two dividing range 100a is 140 °.
Embodiment 5
The structure of the anticorrosive wear-resistant explosion-suppressing material that this example provides substantially with embodiment 1, unlike, wherein the composition of aluminum alloy body is as follows: Si:0.3%, Fe:0.7%, Cu:0.2%, Mn:0.8%, Zn:0.1%, Ti:0.1%, Cr:0.02% and aluminium are surplus.
Comparative example 1
The structure of the anticorrosive wear-resistant explosion-suppressing material that this example provides substantially with embodiment 1, unlike, wherein the composition of aluminum alloy body is as follows: Si:0.2%, Fe:0.5%, Cu:0.3%, Mn:1.2%, Mg:0.2%, Zn:0.1%, Ti:0.2%, Cr:0.05% and aluminium are surplus.
Comparative example 2
The structure of the anticorrosive wear-resistant explosion-suppressing material that this example provides substantially with embodiment 1, unlike, aluminum alloy body does not have orientation demarcation line, only has an orientation.
performance testing
The explosion-suppressing material of the embodiment of the present invention 1 to 5, comparative example 1 and 2 and existing explosion-suppressing material are carried out performance testing and compared, specific as follows:
1, sample message is as follows:
Sample A ~ E: the explosion-suppressing material of corresponding embodiment 1 ~ 5 respectively;
Sample F-G: the explosion-suppressing material of corresponding comparative example 1 ~ 2 respectively;
Sample H: existing explosion-suppressing material, the cubical monolateral length b of regular hexagon forming aluminum alloy body is 3mm, thickness is 0.08mm; The thickness of aluminum alloy body is 3mm, and width is 350mm, does not have protective cover and orientation boundary, the centerline parallel of all honeycomb holes.
2, experimental technique:
(1) micro-hardness testing
The micro-hardness of sample A ~ G reaches 80 ~ 150HV, and the micro-hardness of sample H is about 40 ~ 60HV, and the micro-hardness of sample A ~ G is about the twice of sample H hardness.Illustrate that the hardness of the explosion-suppressing material of embodiment 1 to 5 and comparative example 1 to 2 is the hardness 2 times of existing explosion-suppressing material, existing explosion-suppressing material hardness is minimum.
(2) corrosion test
Sample is placed in No. 93 gasoline simultaneously, carries out corrosion beharvior test.Etching time is 30 days, 50 days, 70 days, 80 days, 90 days, 100 days, the surrosion of sample under above-mentioned etching condition is in table 1:
Surrosion (mg/dm under table 1 different sample difference corrosion number of days
2)
| Sample | 30 days | 50 days | 70 days | 90 days | 100 days |
| Sample A | 7.41 | 15.32 | 20.71 | 25.54 | 28.92 |
| Sample B | 7.38 | 15.26 | 20.36 | 25.19 | 28.77 |
| Sample C | 7.55 | 15.41 | 20.82 | 25.62 | 28.99 |
| Sample D | 7.52 | 15.67 | 20.97 | 25.78 | 29.01 |
| Sample E | 7.78 | 16.12 | 21.37 | 26.64 | 29.92 |
| Sample F | 9.36 | 18.43 | 23.54 | 30.61 | 35.21 |
| Sample G | 7.39 | 15.47 | 20.67 | 25.73 | 29.67 |
| Sample H | 11.12 | 21.36 | 27.22 | 36.47 | 41.17 |
As can be seen from Table 1, the difference corrosion number of days post-etching weightening finish of sample A ~ E, G will be starkly lower than the surrosion of sample F and H, and the surrosion of sample F is lower than the surrosion of sample H, illustrate that the decay resistance of the explosion-suppressing material of embodiment 1 to 5 and comparative example 2 is best, the decay resistance of comparative example 1 takes second place, and existing explosion-suppressing material decay resistance is the poorest.
(3) vibration-testing
By explosion-suppressing material according to 30kg/m
3loading density load in special 120L corrosion-resistant steel oil drum, add 80L (2/3 volume) No. 93 automobile gasolines, sealing.The simulated driving test intercepting explosion-suppressing material is carried out according to the method that " is arranged on the vibration test value of various crawler vehicle assigned address equipment " in GJB150.16 Appendix D.
According to this test method, carry out 3 axis (X, Y, Z axis) altogether each 270 minutes, amount to the acceleration vibration test of 810 minutes.After test, collect the metal fragment bottom oil drum, and test gasoline and explosion-suppressing material are analyzed.
1), visual inspection
The invention provides sample A ~ F and do not find distortion and collapse phenomenon after experiment, there is certain distortion in sample G and sample H after experiment, occurs comparatively significantly collapse phenomenon.
2), wear metal chip: the wear metal chip of sample A ~ H is respectively 0.31mg/L, 0.35mg/L, 0.32mg/L, 0.29mg/L, 0.41mg/L, 0.28mg/L, 0.38mg/L, 1.21mg/L, illustrate, the rear macroscopic wear debris of explosion-suppressing material simulated driving experiment of the present invention is compared existing material and is obviously reduced.
3), oil plant solid grain contamination
Test according to SH/T 0093, the solid grain contamination of No. 93 gasoline blank assays is 0.03mg/L, the solid grain contamination of testing after adding sample A ~ H is respectively 0.04mg/L, 0.041mg/L, 0.038mg/L, 0.045mg/L, 0.047mg/L, 0.05mg/L, 0.047mg/L, 0.56mg/L.
After explosion-suppressing material simulated driving test provided by the invention, the solid grain contamination in gasoline obviously reduces.According to SH/T0093 test method regulation, when result of a measurement is less than 0.5mg/L, repetition measurement error is 0.3mg/L, therefore can think that the solid particulate matter numerical value that A ~ G test result is less than 0.06mg/L is operate miss.Therefore can be judged as: after explosion-suppressing material simulated driving test of the present invention, in gasoline, do not find solid grain contamination.
(4) tensile strength and elongation at fracture, see table 2.
The tensile strength of table 2 sample A ~ H and elongation at fracture
| Numbering | Tensile strength, MPa | Elongation at fracture, % |
| Sample A | 158.56 | 0.87 |
| Sample B | 158.56 | 0.87 |
| Sample C | 155.43 | 0.89 |
| Sample D | 159.14 | 0.84 |
| Sample E | 156.58 | 0.88 |
| Sample F | 149.72 | 0.89 |
| Sample G | 147.36 | 0.90 |
| Sample H | 133.42 | 0.69 |
In summary, there is certain distortion in existing explosion-suppressing material after experiment, occurs comparatively significantly collapse phenomenon, and do not find distortion and collapse phenomenon after explosion-suppressing material provided by the invention test, have excellent collapse performance.
Above to invention has been detailed description; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed in protection scope of the present invention.
Claims (10)
1. an anticorrosive wear-resistant explosion-suppressing material, comprise and there is three-dimensional honeycomb net structure and shape is rectangular aluminum alloy body, the cancellated each honeycomb hole of described three-dimensional honeycomb is regular hexagon cube, it is characterized in that: described anticorrosive wear-resistant explosion-suppressing material also comprises the inner protective layer on the inside face being formed in described aluminum alloy body, be formed in the external protection on the outside face of described aluminum alloy body and be formed in the end face protective cover on the upper and lower end face of described aluminum alloy body, described inner protective layer, external protection and end face protective cover are formed by oxide, described aluminum alloy body has the orientation boundary extended along its whole length direction, described aluminum alloy body is divided into the different Part I of orientation and Part II by described orientation boundary, the line of centers of honeycomb holes all in described Part I parallels, the line of centers of honeycomb holes all in described Part II parallels, the line of centers of the honeycomb hole of described Part I, the line of centers of the honeycomb hole of described Part II intersects and angle is 20 ° ~ 140 ° therebetween.
2. anticorrosive wear-resistant explosion-suppressing material according to claim 1, is characterized in that: described inner protective layer, external protection and end face protective cover are micro-arc oxidation films, and thickness is respectively 5 ~ 20 μm.
3. anticorrosive wear-resistant explosion-suppressing material according to claim 1, is characterized in that: described anticorrosive wear-resistant explosion-suppressing material is folded by described aluminum alloy body and forms, and shape is cylinder, spheroid, cuboid or square.
4. anticorrosive wear-resistant explosion-suppressing material according to claim 1, is characterized in that: the distance that described orientation is demarcated between the long limit being limited to described aluminum alloy body is 1/4 ~ 1/2 of aluminum alloy body width.
5. anticorrosive wear-resistant explosion-suppressing material according to claim 1, is characterized in that: the angle between the line of centers of the line of centers of the honeycomb hole of described Part I, the honeycomb hole of Part II is 30 ° ~ 120 °.
6. anticorrosive wear-resistant explosion-suppressing material according to claim 1, it is characterized in that: the described orientation boundary direction well-distributed multiple boundary block parallel by the bearing of trend along the long limit with described aluminum alloy body is formed, one, interval hexagonal hole between adjacent two described boundary blocks, each boundary block has two dividing ranges on common limit, angle between described two dividing ranges is 20 ° ~ 140 °, a limit of the honeycomb hole of a formation Part I in two described dividing ranges, another forms a limit of the honeycomb hole of Part II.
7. anticorrosive wear-resistant explosion-suppressing material according to claim 1, is characterized in that: the cubical monolateral length of described regular hexagon is 2.5 ~ 5mm, and monolateral thickness is 0.06 ~ 0.15mm.
8. the anticorrosive wear-resistant explosion-suppressing material any one of claim 1 to 7 described in claim, it is characterized in that: with weight, the composition of described aluminum alloy body is as follows: Si:0.3% ~ 0.6%, Fe:0.3% ~ 0.7%, Cu:0.1% ~ 0.2%, Mn:0.8% ~ 1.8%, Mg:0 ~ 1.2%, Zn:0.08% ~ 0.12%, Ti:0.1% ~ 0.2%, Cr:0.01% ~ 0.1% and aluminium are surplus.
9. a preparation method for the anticorrosive wear-resistant explosion-suppressing material any one of claim 1 to 8 as described in claim, is characterized in that comprising the following step carried out successively:
(1) alloy foil is divided the aluminium foil being cut to joint-cutting by grooving machine, then shaping rolling, then the aluminium foil after shaping rolling is carried out temper, drawback temperature is 220 DEG C-240 DEG C, tempering time is 8-10 hour, cuts rolling to the aluminium foil blowing after tempering;
(2) aluminium foil through step (1) is alongst rolled over, then draw in the net to expand formation and there is the cancellated aluminum alloy body of three-dimensional honeycomb, form described Part I in the side at the folding place of institute of aluminium foil, opposite side forms described Part II;
(3) step (2) gained aluminum alloy body is folded into the shape of needs;
(4) aluminum alloy body is put into the electrolytic bath of splendid attire battery acid, take aluminum alloy as anode, with stainless steel electrolytic groove for negative electrode, adopt and microarc oxidation equipment provided differential arc oxidation is carried out to aluminum alloy body, until the micro-arc oxidation films of the Surface Creation desired thickness of aluminum alloy body, obtain described anticorrosive wear-resistant explosion-suppressing material.
10. preparation method according to claim 9, it is characterized in that: in step (4), bipolarity mao power source is adopted to carry out described differential arc oxidation process, forward voltage is 200V ~ 600V, negative voltage is 0V ~ 150V, the differential arc oxidation processing time is 10 ~ 60min, and the thickness of the micro-arc oxidation films of formation is 5 ~ 20 μm.
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| CN106000110A (en) * | 2016-07-11 | 2016-10-12 | 常州大学 | Method for protecting tubular membrane element end face |
| CN106756271A (en) * | 2016-12-13 | 2017-05-31 | 安徽省煜灿新型材料科技有限公司 | A kind of strong soleplate of wear-resistant adhesion and preparation method |
| CN106757252A (en) * | 2016-12-13 | 2017-05-31 | 安徽省煜灿新型材料科技有限公司 | One kind has ceramic film aluminum soleplate |
| CN107365927A (en) * | 2017-06-30 | 2017-11-21 | 常州创索新材料科技有限公司 | A kind of explosion-suppressing material and preparation method thereof |
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| CN111575544B (en) * | 2020-05-22 | 2021-10-01 | 中泰民安防爆科技股份有限公司 | Special alloy barrier explosion suppression material |
| CN112283573A (en) * | 2020-09-18 | 2021-01-29 | 上海蓝魂环保科技有限公司 | Connecting piece structure and die-casting preparation method thereof |
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Effective date of registration: 20171027 Address after: Zhujiang Road Wuzhong District Mudu town of Suzhou city in Jiangsu province 215000 No. 999 building 3 room A302 Patentee after: SDIC Suzhou Huake Energy Technology Co Ltd Address before: 518101 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation area before Bay Street, Qianhai road at the Shenzhen Hong Kong Cooperation Area Management Bureau office building A Building Room 201 Co-patentee before: Jiang Qian Patentee before: SHENZHEN GUONENG HECHUANG ENERGY TECHNOLOGY CO., LTD. |