CN106180729B - A kind of method for preparing Metal Packaging intermetallic compound base lamination composite armour - Google Patents

A kind of method for preparing Metal Packaging intermetallic compound base lamination composite armour Download PDF

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CN106180729B
CN106180729B CN201610521081.9A CN201610521081A CN106180729B CN 106180729 B CN106180729 B CN 106180729B CN 201610521081 A CN201610521081 A CN 201610521081A CN 106180729 B CN106180729 B CN 106180729B
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paper tinsels
metal
paper
tinsels
intermetallic compound
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CN106180729A (en
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原梅妮
裴畅贵
张国庆
张佳庆
史明东
陈贺贺
何小晶
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North University of China
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
    • C22F1/18—High-melting or refractory metals or alloys based thereon
    • C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon

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  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Laminated Bodies (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

The invention discloses a kind of method for preparing Metal Packaging intermetallic compound base lamination composite armour.Comprise the following steps：(1) surface treatment that sand paper polishing and acetone are cleaned by ultrasonic：Ti paper tinsels, Al paper tinsels are polished with sand paper, remove surface impurity and oxide layer, then Ti paper tinsels, Al paper tinsels be cleaned by ultrasonic with acetone and cleaned 20 minutes, is dried afterwards；(2) alternately it is superimposed and rolls：The spacing between roll is adjusted, the sample that Ti paper tinsels, Al paper tinsels are alternately superimposed is compacted after two passes, makes sample formation；（3）Encapsulation vacuumizes：Ti paper tinsels, Al paper tinsels after cold rolling are encapsulated using 0.01mm metal foil, and are vacuumized.（4）Sintering：Ti paper tinsels, Al paper tinsels after Metal Packaging are put into hot pressing furnace sintering, furnace cooling.The present invention prepares one kind that cold rolling, Vacuum Package, hot pressed sintering are joined together that compound base layer-shaped composite material between novel metal package metals is armoring, and its process route is unique, simple, production cost is low, suitable for commercially producing.

Description

A kind of method for preparing Metal Packaging intermetallic compound base lamination composite armour
Technical field
The present invention relates to a kind of new method for preparing Metal Packaging intermetallic compound base lamination composite armour.
Background technology
Intermetallic compound base laminar composite is in natural biologic material shell micro-structural and Study on Strengthening and Toughening On the basis of a kind of novel lamellar composite for growing up, be made up of ductile metal and weld metal zone brittle intermetallic thing.Such is multiple Condensation material has the excellent properties of high intensity, high-modulus, low-density, the also ability with powerful absorption ballistic work, can conduct Superelevation energy-absorbing armor facing material, there is wide answer in numerous areas such as the armor facings that Aero-Space, terrestrial weapon are equipped Use prospect.
Developed country has just planned Ti-Al many years ago3Ti intermetallic compound bases laminar composite is applied to aviation The armor protection system of space flight, weaponry and Ground Combat Vehicle.At present, prepared both at home and abroad on this kind of novel light armour material Technology is vacuum heating-press sintering, without vacuum heating-press sintering, discharge plasma sintering etc..In the 1990s, Alman [1], Rawers [2], Chang Yunpeng [3-5] et al. develop Ti-Al using vacuum heating-press sintering method3Ti intermetallic compound base stratiforms are answered Condensation material.Vacuum hot pressing methodology advantage be interface cohesion firmly, without hole, material oxidation in process, material group can be avoided Even structure is knitted, but sintering can cause grain coarsening, crystal boundary pollution etc. for a long time under high temperature, and also vacuum condition cost is higher, Microlaminate composites size is limited by vacuum-chamber dimensions.University of California Vecchio [6], Patselov [7], Gai Pengtao [17] Et al. using without vacuum hot pressing sintering technique prepared densification intermetallic compound base laminar composite Ti-Al3Ti.It is non- Vacuum hot-pressing preparation method thereof substantially reduces to equipment requirement, and hot pressing furnace is not required to vacuum system, and reduction material prepares cost, is material Material commercially produces offer may.But there is also certain limitation, as oxidation reaction can occur in preparation process, produces oxidation Film, slow down element ti and Al reaction rate, and then influence material property.Maier [9], Sun Yanbo [10] et al. are utilized Accumulation ply rolling and subsequent heat treatment method are successfully prepared Ti/Al laminar composites.This method is to milling train power requirement Height, rolling deformation is big, and need to carry out subsequent heat treatment to material toward contact after rolling, but production cost is relatively low, can prepare The product of greater depth and width, therefore, suitable for high-volume, web-like continuous production.Xu Lei [11,12] uses method hot rolling Method, Ti-Al is prepared in 950 DEG C of hot rollings3Ti laminar composites.Roll-force needed for method hot rolling method is smaller, to milling train requirement Not high, technics comparing is simple, and cost is relatively low, and is firmly combined with the composite material interface prepared, but in preparation process Middle interlamellar spacing, Thickness ratio are not easily controlled, and oxide is also easily produced on interface, influence the performance of composite.Method hot rolling Technology is applied to small lot, multi items, block production.Horse Lee [13,14] uses electron-beam vapor deposition method (EB-PVD) It is prepared for the large scale Ti/ Ti-Al that thickness is 0.12mm and folds laminar composite.The Ti/ prepared by EB- PVD Ti-Al stacked layer compounds interface is straight, but subsequently needs hot-pressing processing.
It is as the above analysis Ti-Al without vacuum hot pressing sintering technique3Ti intermetallic compound base laminar composites Commercially produce offer may, but oxidation reaction can occur in preparation process, produce oxide-film, slow down element ti and Al Reaction rate.
Bibliography：
[1] Alman DE, Doĝn CP, Hawk JA, et al. Processing, structure and properties of metal⁃intermetallic layered composites [J]. Materials Science And Engineering A, 1995,192：624-632；
[2] Rawers JC, Alman DE. Fracture characteristics of metal/ intermetallic laminar composites produced by reaction sintering and hot processing [J]. Composites Science and Technology, 1995, 54 (4) 379-384；
[3] Chang Yunpeng, breathe out gold and put forth energy, Dang Chao, wait intermetallic compound base laminar composites Ti-Al3Ti prepare and The national composite academic meeting paper collection Beijing in its mechanical behavior [C] // 17:Beijing Air China epoch mass transfer culture Broadcast Co., Ltd, 2012；
[4] Peng L M, Li H, Wang J H. Processing and mechanical behavior of laminated titanium⁃titanium tri⁃aluminide（Ti⁃Al 3 Ti）composites [J] . Materials Science and Engineering A, 2005,406 (1):309-318；
[5] Peng L M, Wang J H, Li H. Synthesis and micro-structural characterization of Ti⁃Al 3 Ti metal-intermetallic laminate (MIL) composites [J]. Scrip mater 2005,52:243；
[6] Vecchio KS. Synthetic multifunctional metallic⁃intermetallic laminate composites [J]. JOM, 2005, 57 (3):25-31；
[7] Patselov AM, Rybin VV, Grinberg BA, et al. Synthesis and properties of Ti⁃Al laminated composites with an intermetallic layer [J]. Russian Metallurgy （Metally）,2011 (4)： 356-360；
[8] the compound Ti laminar composite knot of tissue of preparation Ti-Al 3 of Gai Pengtao, Wu Wei, Zeng Yuansong hot pressing Structure studies material science and technique 2013,21 (2):45-49；
[9] Maier V, H ppel HW, G ken M. Nano-mechanical Behaviour of Al- Ti Layered Composites Produced by Accumulative Roll Bonding ；[J] Journal of Physics:Conference Series, 2010,240 (1):102 -108；
[10] Sun Yanbo, Zhao Yeqing, an enlightening paper tinsels-paper tinsel method prepare micro- lamination Ti-Al series intermetallic compound based alloys Sheet material [J] China YouSe Acta Metallurgica Sinicas, 2010, s1: 064 – 067；
[11] Xu Lei, Cui Yuyou, Yang Rui Ti-Al 3 Ti Composite Laminates hot pressing preparation research [J] metals Based composites, 2008,15 (6): 677；
[12] Xu L, Cui Y Y, Hao Y L, et al. Growth of intermetallic layerin multi⁃laminated Ti/Al diffusion couples[J] . Materials Science and Engineering A, 2006,435:638-647；
[13] horse Lee, Sun Yue, microstructure and performance study [J] of He Xiao east .Ti/Ti-Al microlaminate composites Material engineering, 2007 (supplementary issues 1): 69-72；
[14] MA L, SUN Y, HE XD. Preparation and performance of large-sized Ti/Ti-Al microlaminated composite [J] Rare Metal Materials and Engineering, 2008, 37(2):325 -329。
The content of the invention
The present invention is the current Ti-Al of solution3Ti intermetallic compound base laminar composites exist in commercially producing Preparation process in can occur oxidation reaction, produce oxide-film, slow down the technical problem such as element ti and Al reaction rate, A kind of method for preparing Metal Packaging intermetallic compound base lamination composite armour is provided.
The present invention is realized using following technical scheme：It is compound that one kind prepares Metal Packaging intermetallic compound base lamination Armoring method, comprises the following steps：
（1）The surface treatment that coated abrasive working and acetone are cleaned by ultrasonic：
Metal Ti paper tinsels and metal Al paper tinsels are cut, upper and lower surface polishing is carried out to the metal Ti paper tinsels and metal Al paper tinsels cut To remove the oxide-film of metal foil surface and other impurities；The metal Ti paper tinsels differ one with the number of metal Al paper tinsels；
The metal Ti paper tinsels polished and metal Al paper tinsels are respectively placed among two cleaned beakers, acetone soln Pour into beaker to solution and be totally submerged metal foil, the beaker equipped with acetone and metal foil is subjected to ultrasonic wave cleaning；Afterwards will Clean the metal Ti paper tinsels completed to take out with Al paper tinsels, vacuum drying treatment is carried out, in case follow-up use；
（2）Alternating is superimposed and rolled：
By dry metal Ti paper tinsels and metal Al paper tinsels lamination alternatively up and down, laminated construction is formed, lamination sum is odd number Layer and ensure that two layers of outermost is same metal foil up and down；The central axis pair of each tinsel is kept in lamination process Together；The sample folded is subjected to cold-rolling treatment, rolling reduction 5%, is divided to two passages to complete, wherein the first pass deformation is about For 3%, prefabricated blank is obtained；
（3）Encapsulation vacuumizes：
The prefabricated blank obtained after cold rolling is placed in made of thickness is 0.05mm metal foil among jacket, jacket with it is true Empty pump is connected, and being evacuated to 1Pa or so by mechanical pump is then turned on molecular pump, treats vacustat 10-3During below Pa Metal foil jacket is sealed；
（4）Sintering：
The lamination sample for encapsulating completion is placed in GST- high temperature hot pressing furnaces, lamination sample is between upper push-down head, just Beginning pressure is the deadweight of pressure head, and heat pressing process is 650 DEG C/5 ~ 6MPa/3 ~ 8h, and heating rate is 10 DEG C/min, cold with stove afterwards But, Metal Packaging intermetallic compound base lamination composite armour is obtained.
Step（1）Dynamics is suitable during middle polishing, avoids overexertion from largely rubbing the metallic particles under surface film oxide Go out to cause foil uneven surface, the scope of polishing will be related to the whole surface of metal foil, the granularity of sand paper used during polishing From coarse to fine, even transition.
Beaker equipped with acetone and metal foil is placed in ultrasonic wave vessel and carries out ultrasonic wave cleaning further to remove The impurity of metal foil surface residual.
Step（2）In after cold rolling, be in close contact between metal Ti paper tinsels and metal Al paper tinsels, squeezed the remnants between foil Air, the generation of interfacial oxide is restricted to a certain extent, promote interface Ti, Al thermal chemical reaction.If rolling reduction Excessive or rolling number is more, it will the grain form in damage metal Ti paper tinsels, so that it becomes in strip insertion metal Al paper tinsels.
Step（3）Middle jacket（Titanium alloy foil such as TC4 foils can be used）Vacuum-pumping density, which is honored as a queen, to be avoided in thermal chemical reaction The generation of the impurity products such as middle oxide, it ensure that the pure property of thermal chemical reaction between metal Ti paper tinsels and metal Al paper tinsels.
Step（4）Hot pressing structural principle is as shown in Figure 3.At 650 DEG C, metal Al paper tinsels are in semisolid shape, metal Ti paper tinsels with Thermal chemical reaction occurs due to the diffusion of element between semisolid Al paper tinsels, from Ti-Al binary phase diagramls（Fig. 4）Ti-Al thermalizations Learning reaction has four kinds of compound phase generations, respectively α2-Ti3Al、γ-TiAl、TiAl2、TiAl3Phase, Al3Ti is at Ti/Al interfaces Interface caused by place's forming core can increase minimum, this interfacial thermodynamics conditional decision Al3Ti phase preferred growths, and it is complete in Al paper tinsels It is complete to run out of only Al before3Ti phases generate.During hot pressed sintering, temperature is slightly less than Al fusing point, the beam between atom Decrease is tied up, and is in close contact between metal Ti paper tinsels and metal Al paper tinsels, the diffusion of Al atoms becomes more easy, and violent heat occurs Chemically react Ti+Al → Al3Ti, the reaction are exothermic reaction, and metal foil thickness diminishes during the course of the reaction, metal Al paper tinsels by Gradually by Al3Ti layers substitute, and form Ti/Al3Ti laminated composite materials structure is as shown in figure 5, Fig. 5 is Ti/Al3Ti lamination composite woods Expect surface sweeping electron microscope.
Toughening phase titanium alloy and high rigidity, the Al of high rigidity3Ti intermetallic compounds form Ti/Al3Ti lamination composite woods Material, this kind of laminated composite materials have energy-dissipating structure, can be used as defense of resistance to impact material.Fig. 6 closes for finite element modelling tungsten Golden Fragment penetrating Ti/Al3Ti laminated composite materials processes, it will be appreciated from fig. 6 that Fragment penetrating process failure mode have Incline Crack, Interfacial detachment, shearing are filled.Fig. 7 is the single-phase Al of Tungsten Alloy Fragments penetration that initial velocity is 900m/s3Ti and Ti/Al3Ti is folded Layer composite target material residual velocity changes over time.From figure 7 it can be seen that Ti/Al after 40 μ s3Ti lamination composite target material residual velocities Than single-phase Al3The low 400m/s of Ti.Further prove Ti/Al3Ti laminated composite materials have good defense of resistance to impact performance.
The present invention must reduce in order to avoid oxidation reaction between metal foil and reaction rate, carry out cold rolling to metal foil in advance Encapsulated with vacuumizing, finally carry out no vacuum heating-press sintering.The preparation technology is cold rolling, vacuumizes encapsulation and without Vacuum Heat Pressure sintering technology triplicity gets up to be formed a kind of new technique for preparing intermetallic compound base laminar composite.In addition, In order to strengthen the effect of contraction that ductile metal is weld metal zone brittle intermetallic thing, to traditional intermetallic compound base lamellar composite material Material has carried out Metal Packaging.
The present invention is compound cold rolling and hot pressed sintering compound base lamination between preparing novel metal package metals of joining together Plate armour, its process route is unique, simple, production cost is low, is generated suitable for commercialization.Prepared Metal Packaging intermetallic Thing base lamination composite armour has higher capability of resistance to penetration, is expected to turn into a kind of effective lightweight armor protection material.
Brief description of the drawings
Ti paper tinsels-Al paper tinsels-Ti paper tinsel alternate laminated structure schematic diagrames described in Fig. 1 steps 2.
Cold rolling schematic diagram described in Fig. 2 steps 2.
Fig. 3 hot pressed sintering schematic diagrames.
Fig. 4 Ti-Al binary phase diagramls.
Fig. 5 Ti/Al3Ti laminated composite materials surface sweeping electron microscopes.
Fig. 6 Ti/Al3Ti laminated composite materials ballistic penetration simulation processes.
The single-phase Al of Fig. 7 Fragment penetratings3Ti and Ti/Al3Ti composite target material residual velocities change over time.
Embodiment
Embodiment 1：
Prepare titanium alloy encapsulation Ti-Al3Ti intermetallic compound base lamination composite armours：During attentional selection tinsel Wait, Ti paper tinsels are more major 10mm than Al paper tinsel length and width；
TC4 paper tinsels length and width, thick respectively 300mm, 300mm, 0.027mm；
Al paper tinsels length and width, thick respectively 290mm, 290mm, 0.027mm；
（1）The surface treatment that coated abrasive working and acetone are cleaned by ultrasonic：The thick metal Ti paper tinsels of 0.027mm are cut to 300 × 300 mm, 0.027mm thick metal Al paper tinsels are cut to 290 × 290 mm, and it is 11 layers that wherein Ti paper tinsels, which cut quantity, and Al paper tinsels are 10 Layer；Then by the metal foil cut successively with 800 mesh, 1500 mesh sand paper uniform grindings to there is metallic luster, and will beat Grind the metal foil sorting placement completed；It is with acetone soln that glass beaker pre-wash is clean, the metal Ti paper tinsels polished It is respectively put into metal Al paper tinsels among the glass beaker cleaned and adds acetone soln to being totally submerged metal foil（Metal Ti With the metal Al paper tinsels glass beaker that to be respectively put into two different）, the beaker equipped with acetone soln and metal foil is put into super Ultrasonic wave cleans 20min in sound wave vessel；Finally the metal Ti paper tinsels completed will be cleaned with clean tweezers and metal Al paper tinsels are put respectively Enter in two clean glass beakers, and beaker is put into vacuum drying chamber and carries out vacuum drying treatment；
（2）Alternating is superimposed and rolled：By dry metal Ti paper tinsels and metal Al paper tinsels successively according to Ti paper tinsels, Al paper tinsels, Ti paper tinsels Order lamination, keep the central axis alignment of double layer of metal paillon foil up and down, metal Al paper tinsels is covered completely by metal Ti paper tinsels, fold Layer sum is 21 layer and ensures that outermost layer is metal Ti paper tinsels up and down；Laminated construction is subjected to cold-rolling treatment, amount of rolling 5%, is divided to two Passage is completed, and the first passage amount of rolling is about 3%；
（3）Encapsulation vacuumizes：By roll complete laminated construction prefabricated blank be put into metal foil jacket, metal foil jacket with Vavuum pump is connected, and 10 are evacuated to by mechanical pump and molecular pump-3Below Pa sealing metal paper tinsel jackets；
（4）Sintering：Laminated construction prefabricated blank with metal foil jacket is put into GST- high temperature hot pressing furnaces, initial pressure Conduct oneself with dignity for pressure head, heat pressing process is 650 DEG C/5MPa/6h, and heating rate is 10 DEG C/min, and furnace cooling is handled；
Prepare Ti/Al3Ti intermetallic compound base lamination composite armours.
Embodiment 2：
Prepare aluminium alloy encapsulation Al-Al3Ti intermetallic compound base lamination composite armours：During attentional selection tinsel Wait, Al paper tinsels are more major 10mm than Ti paper tinsel length and width；
TC4 paper tinsels length and width, thick respectively 290mm, 290mm, 0.02mm；
Al paper tinsels length and width, thick respectively 300mm, 300mm, 0.08mm；
（1）The surface treatment that coated abrasive working and acetone are cleaned by ultrasonic：The thick metal Al paper tinsels of 0.08mm are cut to 300 × 300 mm, 0.02mm thick metal Ti paper tinsels are cut to 290 × 290 mm, and it is 11 layers that wherein Al paper tinsels, which cut quantity, and Ti paper tinsels are 10 layers； Then by the metal foil cut successively with 800 mesh, 1500 mesh sand paper uniform grindings to there is metallic luster, and will polish Into metal foil sorting placement；It is with acetone soln that glass beaker pre-wash is clean, the metal Al paper tinsels and gold polished Category Ti paper tinsels are respectively put among the glass beaker cleaned and add acetone soln to being totally submerged metal foil（Metal Al paper tinsels and Metal Ti paper tinsels are respectively put into two different glass beakers）, the beaker equipped with acetone soln and metal foil is put into ultrasonic wave Ultrasonic wave cleans 20min in vessel；Finally the metal Ti paper tinsels completed will be cleaned with clean tweezers and metal Al paper tinsels are respectively put into two In individual clean glass beaker, and beaker is put into vacuum drying chamber and carries out vacuum drying treatment；
（2）Alternating is superimposed and rolled：By dry metal Al paper tinsels and metal Ti paper tinsels successively according to Al paper tinsels, Ti paper tinsels, Al paper tinsels Order lamination, keep the central axis alignment of double layer of metal paillon foil up and down, metal Ti paper tinsels is covered completely by metal Al paper tinsels, fold Layer sum is 21 layer and ensures that outermost layer is metal Al paper tinsels up and down；Laminated construction is subjected to cold-rolling treatment, amount of rolling 5%, is divided to two Passage is completed, and the first passage amount of rolling is about 3%；
（3）Encapsulation vacuumizes：By roll complete laminated construction prefabricated blank be put into metal foil jacket, metal foil jacket with Vavuum pump is connected, and 10 are evacuated to by mechanical pump and molecular pump-3Below Pa sealing metal paper tinsel jackets；
（4）Sintering：Laminated construction prefabricated blank with metal foil jacket is put into GST- high temperature hot pressing furnaces, initial pressure Conduct oneself with dignity for pressure head, heat pressing process is 650 DEG C/6MPa/8h, and heating rate is 10 DEG C/min, and furnace cooling is handled；
Prepare Al/Al3Ti intermetallic compound base lamination composite armours.
Embodiment 3：
Prepare titanium alloy encapsulation Ti-Al3Ti- Al intermetallic compound base lamination composite armours：Attentional selection metal foil When piece, Ti paper tinsels are more major 10mm than Al paper tinsel length and width；
TC4 paper tinsels length and width, thick respectively 300mm, 300mm, 0.027mm；
Al paper tinsels length and width, thick respectively 295mm, 295mm, 0.054mm；
（1）The surface treatment that coated abrasive working and acetone are cleaned by ultrasonic：The thick metal Ti paper tinsels of 0.027mm are cut to 300 × 300 mm, 0.054mm thick metal Al paper tinsels are cut to 290 × 290 mm, and it is 11 layers that wherein Ti paper tinsels, which cut quantity, and Al paper tinsels are 10 Layer；Then by the metal foil cut successively with 800 mesh, 1500 mesh sand paper uniform grindings to there is metallic luster, and will beat Grind the metal foil sorting placement completed；It is with acetone soln that glass beaker prerinse is clean, the metal Ti paper tinsels polished and Metal Al paper tinsels are respectively put among the glass beaker cleaned and add acetone soln to being totally submerged metal foil（Metal Ti and Metal Al paper tinsels will be respectively put into two different glass beakers）, the beaker equipped with acetone soln and metal foil is put into ultrasound Ultrasonic wave cleans 20min in ripple vessel；Finally the metal Ti paper tinsels completed will be cleaned with clean tweezers and metal Al paper tinsels are respectively put into In two clean glass beakers, and beaker is put into vacuum drying chamber and carries out vacuum drying treatment；
（2）Alternating is superimposed and rolled：By dry metal Ti paper tinsels and metal Al paper tinsels successively according to Ti paper tinsels, Al paper tinsels, Ti paper tinsels Order lamination, keep the central axis alignment of double layer of metal paillon foil up and down, metal Al paper tinsels is covered completely by metal Ti paper tinsels, fold Layer sum is 21 layer and ensures that outermost layer is metal Ti paper tinsels up and down；Laminated construction is subjected to cold-rolling treatment, amount of rolling 5%, is divided to two Passage is completed, and the first passage amount of rolling is about 3%；
（3）Encapsulation vacuumizes：By roll complete laminated construction prefabricated blank be put into metal foil jacket, metal foil jacket with Vavuum pump is connected, and 10 are evacuated to by mechanical pump and molecular pump-3Below Pa sealing metal paper tinsel jackets；
（4）Sintering：Laminated construction prefabricated blank with metal foil jacket is put into GST- high temperature hot pressing furnaces, initial pressure Conduct oneself with dignity for pressure head, heat pressing process is 650 DEG C/5MPa/3h, and heating rate is 10 DEG C/min, and furnace cooling is handled；
Prepare Ti/Al3Ti/Al intermetallic compound base lamination composite armours（Fig. 5 is Ti/Al3Ti/Al ESEMs Figure）.

Claims (5)

  1. A kind of 1. method for preparing Metal Packaging intermetallic compound base lamination composite armour, it is characterised in that including following step Suddenly：
    （1）The surface treatment that sand paper is polished and acetone is cleaned by ultrasonic：
    Metal Ti paper tinsels and metal Al paper tinsels are cut, upper and lower surface polishing is carried out to the metal Ti paper tinsels and metal Al paper tinsels cut to remove The oxide-film and other impurities of metal foil surface；The metal Ti paper tinsels differ one with the number of metal Al paper tinsels；
    Among the metal Ti paper tinsels polished and metal Al paper tinsels are respectively placed in into two beakers cleaned, acetone soln is poured into burning Cup to solution is totally submerged metal foil, and the beaker equipped with acetone and metal foil is carried out into ultrasonic wave cleaning；After will clean Into metal Ti paper tinsels and Al paper tinsels take out, vacuum drying treatment is carried out, in case follow-up use；
    （2）Alternating is superimposed and rolled：
    By dry metal Ti paper tinsels, lamination, lamination sum are odd number and guarantee two layers of outermost up and down alternatively up and down with metal Al paper tinsels For same metal foil, at least 19 layers of alternative stacked；The central axis of each tinsel is kept to align in lamination process；Will The sample folded carries out cold-rolling treatment, rolling reduction 5%, be divided to two passages to complete, wherein the first pass deformation is about 3% must To prefabricated blank；
    （3）Encapsulation vacuumizes：
    The prefabricated blank obtained after cold rolling is placed among jacket made of thickness is 0.05mm ~ 0.1mm metal Ti paper tinsels, jacket It is connected with vavuum pump, being evacuated to 1Pa by mechanical pump is then turned on molecular pump, treats vacustat 10-3During below Pa Metal Ti paper tinsels jacket is sealed；
    （4）Sintering：
    The lamination sample for encapsulating completion is placed in hot pressing furnace, for lamination sample between upper push-down head, initial pressure is pressure head Deadweight, heat pressing process is 650 DEG C/5 ~ 6MPa/3 ~ 8h, and heating rate is 10 DEG C/min, furnace cooling afterwards, obtains metal envelope Fill intermetallic compound base lamination composite armour.
  2. 2. a kind of method for preparing Metal Packaging intermetallic compound base lamination composite armour as claimed in claim 1, it is special Sign is, step（1）It is 11 layers that middle metal Ti paper tinsels, which cut quantity, and metal Al paper tinsels are 10 layers, wherein metal Ti paper tinsels be cut to 300 × 300 mm, thickness 0.027mm, metal Al paper tinsels are cut to 290 × 290 mm, thickness 0.027mm；
    Step（2）According to Ti paper tinsels, Al paper tinsels, the order lamination of Ti paper tinsels and upper and lower outermost layer be successively from down to up metal Ti paper tinsels；
    Step（4）Middle heat pressing process is 650 DEG C/5MPa/6h, and heating rate is 10 DEG C/min, furnace cooling processing, is prepared Ti/Al3Ti intermetallic compound base lamination composite armours.
  3. 3. a kind of method for preparing Metal Packaging intermetallic compound base lamination composite armour as claimed in claim 1, it is special Sign is, step（1）It is 11 layers that middle Al paper tinsels, which cut quantity, and Ti paper tinsels are 10 layers, and metal Al paper tinsels are cut to 300 × 300 mm, thickness 0.08mm, metal Ti paper tinsels are cut to 290 × 290 mm, thickness 0.02mm；
    Step（2）According to Al paper tinsels, Ti paper tinsels, the order lamination of Al paper tinsels and upper and lower outermost layer be successively from down to up metal Al paper tinsels；
    Step（4）Middle heat pressing process is 650 DEG C/6MPa/8h, and heating rate is 10 DEG C/min, furnace cooling processing, is prepared Al/Al3Ti intermetallic compound base lamination composite armours.
  4. 4. a kind of method for preparing Metal Packaging intermetallic compound base lamination composite armour as claimed in claim 1, it is special Sign is, step（1）It is 11 layers that middle Ti paper tinsels, which cut quantity, and Al paper tinsels are 10 layers, and metal Ti paper tinsels are cut to 300 × 300 mm, thickness For 0.027mm, metal Al paper tinsels are cut to 290 × 290 mm, thickness 0.054mm；
    Step（2）According to Ti paper tinsels, Al paper tinsels, the order lamination of Ti paper tinsels and outermost layer be successively from bottom to top metal Ti paper tinsels；
    Step（4）Middle heat pressing process is 650 DEG C/5MPa/3h, and heating rate is 10 DEG C/min, and Ti/ is prepared in furnace cooling processing Al3Ti/Al intermetallic compound base lamination composite armours.
  5. A kind of 5. side for preparing Metal Packaging intermetallic compound base lamination composite armour as described in any one of claim 1 ~ 4 Method, it is characterised in that step（1）In 800 mesh are respectively adopted, 1500 mesh sand paper are polished metal Ti paper tinsels and metal Al paper tinsels； The beaker for placing the metal Ti paper tinsels polished and metal Al paper tinsels is cleaned 2-3 times using acetone soln；The gold that ultrasonic wave cleaning is completed Category Ti paper tinsels are also respectively placed in the beaker after being cleaned using acetone soln after being taken out with Al paper tinsels and carry out vacuum drying treatment.
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