CN108296288A - A kind of rolling preparation method improving aluminum laminate titanium composite material interface bond strength using nano metal powder - Google Patents
A kind of rolling preparation method improving aluminum laminate titanium composite material interface bond strength using nano metal powder Download PDFInfo
- Publication number
- CN108296288A CN108296288A CN201810032023.9A CN201810032023A CN108296288A CN 108296288 A CN108296288 A CN 108296288A CN 201810032023 A CN201810032023 A CN 201810032023A CN 108296288 A CN108296288 A CN 108296288A
- Authority
- CN
- China
- Prior art keywords
- titanium
- aluminum
- rolling
- bond strength
- metal powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/383—Cladded or coated products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Metal Rolling (AREA)
- Powder Metallurgy (AREA)
Abstract
A kind of rolling preparation method improving aluminum laminate titanium composite material interface bond strength using nano metal powder, titanium alloy strip and aluminium alloy strips are processed into identical size, it carries out surface treatment and removes oxide on surface, in surface treated surface layout nano particle, it is stacked, obtain titanium/aluminum composite belt material, carry out vacuum edge welding, pulse current is applied to the titanium after welding/aluminum composite belt material, so that nano particle is discharged with composite strip surface regional area, coating metal is made to melt；Then titanium/aluminum composite belt material is rolled, realizes material interface soldering, finally continues to roll, until band total reduction reaches 80% 95%；The present invention can prepare high-performance titanium aluminum composite belt material, which would be possible to, for fields such as shellproof protection, aerospace, sound insulation and noise reduction, automotive light weight technologies, be also possible to the composite strip in combinations of materials such as other nonferrous materials such as copper, magnesium in the future.
Description
Technical field
The invention belongs to metallic composite rolling technical fields, more particularly to a kind of to improve layer using nano metal powder
The rolling preparation method of shape aluminium titanium composite material interface bond strength.
Background technology
High-performance aluminum laminate titanium composite material is constantly subjected to the highest attention that this field is gone together both at home and abroad, in shellproof guarantor
The fields such as shield, aerospace, sound insulation and noise reduction, automotive light weight technology have broad prospect of application.Plastic history laminate is compound
Material interface soldering situation determines the mechanics and corrosive nature of product.
Conventional metals stratiform composite plate generally uses explosion method.However, material interface quality is difficult to control.At the same time,
The technique is suitable only for preparing special thick composite plate.As the requirement that people reduce workpiece size, performance improves, quality mitigates increases
Add, urgent need develops very thin complex layered materials.Rolling compund is common method, there is method hot rolling method and cold under normal circumstances
Rolling compound method is relatively difficult to control, such product for the interface quality of the composite metal plate of both methods preparation
It only disclosure satisfy that low-end market, main cause are the combination that the interface of these products is mechanical soldering and metallurgical soldering, intensity
Bigger difference is still remained with the case where complete metallurgical binding.
Invention content
In order to overcome the disadvantages of the above prior art, it is carried using nano metal powder the purpose of the present invention is to provide a kind of
The rolling preparation method of high aluminum laminate titanium composite material interface bond strength, the composite material prepared using this method,
Interface quality will be greatly improved relative to composite material interface prepared by traditional milling method.This method will be suitable for
The combination of the titanium, aluminium alloy of different model, such as titanium/AA6061 aluminum composite plates, titanium/AA5020 aluminum composite plates.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of rolling preparation method improving aluminum laminate titanium composite material interface bond strength using nano metal powder, packet
It includes：
The first step：Using titanium alloy strip and aluminium alloy strips as raw material, two kinds of bands are processed into identical size；
Second step：Titanium alloy strip and aluminium alloy strips are surface-treated, oxide on surface is removed；
Third walks：It is evenly arranged nano particle in aluminum alloy strip or the surface treated surface of titanium alloy strip；
4th step：By titanium alloy strip or the surface treated surface of aluminum alloy strip and aluminum alloy strip or titanium alloy
The surface of band arrangement nano particle is stacked, and titanium/aluminum composite belt material is obtained；
5th step：The titanium/aluminum composite belt material is placed in vacuum chamber, carries out vacuum edge welding；
6th step：In rolling entrance, titanium/aluminum composite belt material after being welded to edge applies pulse current, makes nano particle
It discharges with composite strip surface regional area, coating metal is made to melt；
7th step：Titanium/aluminum composite belt material of pulsed current annealing is rolled, realizes material interface soldering, passage pressure
Lower rate control is in 15%-30%；
8th step：Titanium/aluminum composite belt the material obtained to the 7th step rolls, until band total reduction reaches 80%-
95%, single pass reduction ratio is controlled in 15%-30%.
In the first step, the thickness of titanium alloy strip and aluminium alloy strips is in 1-5mm before rolling.
In the second step, it is surface-treated using wire brush.
In the third step, nano particle is nanometer aluminium powder and/or nano aluminium oxide.
In 6th step, pulse current parameter can be adjusted according to the thickness difference of titanium/aluminum composite belt material, thickness
Thicker, electric current is bigger, and thickness is thinner, and electric current is smaller.Pulse current adjustable range is 10-150A, and the pulsed current annealing time is
5-60s。
The cardinal principle of the present invention is to increase by one layer of nano particle among titanium/aluminium composite material, to titanium/nanometer
During grain/aluminium composite material applies pulse current, nano particle discharges, and realizes material interface regional area material interface
Metal molten, in the subsequent operation of rolling, molten metal under the action of draught pressure, realize material interface metallurgical junction
It closes.
The present invention can prepare high-performance titanium aluminum composite belt material, the plank would be possible to for shellproof protection, aerospace,
The fields such as sound insulation and noise reduction, automotive light weight technology.
The technique of the present invention is also possible to the composite strip in combinations of materials such as other nonferrous materials such as copper, magnesium in the future.
Description of the drawings
Fig. 1 is the rolling preparation that the present invention improves laminar titanium aluminum composite material interface bond strength using nano metal powder
Flow chart.
Specific implementation mode
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment 1：Pure titanium is prepared with fine aluminium composite strip
In conjunction with Fig. 1, steps are as follows：
The first step：It is raw material with industrially pure titanium band 1 and commercial-purity aluminium band 2.Industrially pure titanium band 1 and industry before rolling
The thickness of pure aluminum belt material 2 is respectively 3mm.Industrially pure titanium band 1 and commercial-purity aluminium band 2 are processed into identical size 1m
(length) × 0.15m (width).
Second step：Industrially pure titanium band 1 and commercial-purity aluminium band 2 are surface-treated using wire brush, remove surface
Oxide respectively obtains surface treated titanium plate 1 and surface treated aluminium sheet 5.
Third walks：Nano particle 4 is evenly distributed on 5 surface of surface treated aluminium sheet, nano particle 4 is technical pure
Aluminum nanoparticles, 20 grams of dosage.
4th step：Surface treated titanium plate 1, nano particle 4 and surface treated aluminium sheet 5 are stacked,
Wherein surface treated face is opposite, the titanium/nano particle/aluminum composite plate 6 stacked.
5th step：In rolling entrance, using pulsed current annealing device 7, to titanium/nano particle/aluminum composite plate 6 of stacking
Apply pulse current, pulse current is set as 50A, handles 30s.Nano particle 4 and plank surface layer regional area is set to discharge,
So that coating metal is melted, obtains the composite strip 8 by pulsed current annealing
6th step：Using topping roll 1 and bottom roll 1, to being rolled by the composite strip 8 of pulsed current annealing
System realizes that material interface soldering, percentage pass reduction are controlled 25%, obtains the composite strip 11 by rolling.
7th step：Using topping roll 2 12 and bottom roll 2 13, the composite strip 11 by rolling is continued to roll,
Until final thickness reaches 0.3mm.
Composite material interface bond strength is analyzed using the method for interface peel, using the titanium of addition nano particle
The bond strength at the interface of aluminum composite belt material improves 20% or more than not adding the interface bond strength of nano particle.
Application case 2：Pure titanium is prepared with AA6061 aluminium alloy composite strips
In conjunction with Fig. 1, steps are as follows：
The first step：With the commercial-purity aluminium band 2 in AA6061 aluminium alloy strips alternate embodiment 1, industrially pure titanium before rolling
The thickness of band 1 and AA6061 aluminium alloy strips is respectively 2.5mm.Industrially pure titanium band 1 and AA6061 aluminium alloy strips are added
Work is at identical size 0.5m (length) × 0.2m (width).
Second step：Industrially pure titanium band 1 and AA6061 aluminium alloy strips are surface-treated using wire brush, remove table
Face oxide respectively obtains surface treated titanium plate 1 and surface treated aluminium alloy plate.
Third walks：Nano particle 4 is evenly distributed on surface treated aluminium alloy plate surface, nano particle 4 is oxygen
Change aluminum nanoparticles, 10 grams of dosage.
4th step：Surface treated titanium plate 1, nano particle 4 and surface treated aluminium alloy plate are subjected to heap
It is folded, wherein surface treated face is opposite, the titanium/nano particle/aluminium alloy compound plate stacked.
5th step：It is multiple to titanium/nano particle/aluminium alloy of stacking using pulsed current annealing device 7 in rolling entrance
Plywood applies pulse current 60A, processing time 10s, so that nano particle 4 and plank surface layer regional area is discharged, makes table
Layer metal melts, and obtains the composite strip 8 by pulsed current annealing.
6th step：Using topping roll 1 and bottom roll 1, to being rolled by the composite strip 8 of pulsed current annealing
System realizes that material interface soldering, percentage pass reduction are controlled 25%, obtains the composite strip 11 by rolling.
7th step：Using topping roll 2 12 and bottom roll 2 13, the composite strip 11 by rolling is continued to roll,
Until final thickness reaches 0.2mm.
Composite material interface bond strength is analyzed using the method for interface peel, is prepared using addition nano particle
Titanium/AA6061 composite strips interface bond strength than do not add nano particle interface bond strength improve 15%.
Claims (6)
1. a kind of rolling preparation method improving aluminum laminate titanium composite material interface bond strength using nano metal powder, special
Sign is, including：
The first step：Using titanium alloy strip and aluminium alloy strips as raw material, two kinds of bands are processed into identical size；
Second step：Titanium alloy strip and aluminium alloy strips are surface-treated, oxide on surface is removed；
Third walks：It is evenly arranged nano particle in aluminum alloy strip or the surface treated surface of titanium alloy strip；
4th step：By titanium alloy strip or the surface treated surface of aluminum alloy strip and aluminum alloy strip or titanium alloy strip
The surface of arrangement nano particle is stacked, and titanium/aluminum composite belt material is obtained；
5th step：The titanium/aluminum composite belt material is placed in vacuum chamber, carries out vacuum edge welding；
6th step：In rolling entrance, titanium/aluminum composite belt material after being welded to edge applies pulse current, make nano particle with it is multiple
It closes strip surface regional area to discharge, coating metal is made to melt；
7th step：Titanium/aluminum composite belt material of pulsed current annealing is rolled, realizes material interface soldering, percentage pass reduction
Control is in 15%-30%；
8th step：Titanium/aluminum composite belt the material obtained to the 7th step rolls, until band total reduction reaches 80%-95%,
Single pass reduction ratio is controlled in 15%-30%.
2. nano metal powder is used to improve the rolling of aluminum laminate titanium composite material interface bond strength according to claim 1
Preparation method, which is characterized in that in the first step, the thickness of titanium alloy strip and aluminium alloy strips is in 1-5mm before rolling.
3. nano metal powder is used to improve the rolling of aluminum laminate titanium composite material interface bond strength according to claim 1
Preparation method, which is characterized in that in the second step, be surface-treated using wire brush.
4. nano metal powder is used to improve the rolling of aluminum laminate titanium composite material interface bond strength according to claim 1
Preparation method, which is characterized in that in the third step, nano particle is nanometer aluminium powder and/or nano aluminium oxide.
5. nano metal powder is used to improve the rolling of aluminum laminate titanium composite material interface bond strength according to claim 1
Preparation method, which is characterized in that in the 6th step, pulse current is that application intensity is 10-150A, processing time 5-60s.
6. nano metal powder is used to improve the rolling of aluminum laminate titanium composite material interface bond strength according to claim 5
Preparation method, which is characterized in that the pulse current parameter is adjusted according to the thickness difference of titanium/aluminum composite belt material, thickness
Thicker, electric current is bigger, and thickness is thinner, and electric current is smaller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032023.9A CN108296288B (en) | 2018-01-12 | 2018-01-12 | A kind of rolling preparation method improving aluminum laminate titanium composite material interface bond strength using nano metal powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032023.9A CN108296288B (en) | 2018-01-12 | 2018-01-12 | A kind of rolling preparation method improving aluminum laminate titanium composite material interface bond strength using nano metal powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108296288A true CN108296288A (en) | 2018-07-20 |
| CN108296288B CN108296288B (en) | 2019-10-11 |
Family
ID=62869019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810032023.9A Active CN108296288B (en) | 2018-01-12 | 2018-01-12 | A kind of rolling preparation method improving aluminum laminate titanium composite material interface bond strength using nano metal powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108296288B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514272A (en) * | 2019-01-10 | 2019-03-26 | 上海交通大学 | A kind of electric heating auxiliary pack rolling soldering method |
| CN110014045A (en) * | 2019-05-14 | 2019-07-16 | 西南大学 | A method of improving aluminium-magnesium composite plate interface bond strength |
| CN110695610A (en) * | 2019-11-12 | 2020-01-17 | 燕山大学 | Current-assisted rolling processing device for realizing gradient nanocrystallization of surface layer of bar |
| CN110711774A (en) * | 2019-10-23 | 2020-01-21 | 太原理工大学 | Pulse current assisted titanium-TiAl composite plate non-sheath rolling method |
| CN110788136A (en) * | 2019-10-10 | 2020-02-14 | 太原理工大学 | Method for preparing titanium steel composite plate through pulse current auxiliary hot rolling |
| CN111360072A (en) * | 2020-03-13 | 2020-07-03 | 吉林大学 | Rolling equipment based on high-frequency current assistance and high-reduction rolling method |
| CN111906144A (en) * | 2020-07-17 | 2020-11-10 | 太原理工大学 | Method for improving interface bonding strength of titanium/aluminum composite board |
| CN112718862A (en) * | 2020-12-17 | 2021-04-30 | 太原理工大学 | Pulse current auxiliary rolling device and method for titanium and stainless steel variable-thickness composite plate |
| CN113385534A (en) * | 2021-05-28 | 2021-09-14 | 南京理工大学 | Layered aluminum alloy/aluminum-based composite board and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1739959A (en) * | 2005-07-20 | 2006-03-01 | 同济大学 | A kind of interlayer composite material and preparation method thereof |
| CN101733623A (en) * | 2009-12-10 | 2010-06-16 | 北京科技大学 | Method for preparing discharge plasma of metal laminated composite material |
| CN101962743A (en) * | 2010-10-20 | 2011-02-02 | 燕山大学 | Preparation method of TiNi block nanocrystalline material with fine crystallite dimension |
| CN103643192A (en) * | 2013-12-17 | 2014-03-19 | 江苏大学 | Electromagnetic coupling method for improving plastic deformation capacity of aluminum matrix composite |
| CN106830965A (en) * | 2016-11-07 | 2017-06-13 | 富耐克超硬材料股份有限公司 | Nano-carbon material strengthens the preparation method and application of superhard material based composites |
| CN107323030A (en) * | 2017-06-19 | 2017-11-07 | 常州大学 | A kind of light metal-based laminar composite and preparation method thereof |
-
2018
- 2018-01-12 CN CN201810032023.9A patent/CN108296288B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1739959A (en) * | 2005-07-20 | 2006-03-01 | 同济大学 | A kind of interlayer composite material and preparation method thereof |
| CN101733623A (en) * | 2009-12-10 | 2010-06-16 | 北京科技大学 | Method for preparing discharge plasma of metal laminated composite material |
| CN101962743A (en) * | 2010-10-20 | 2011-02-02 | 燕山大学 | Preparation method of TiNi block nanocrystalline material with fine crystallite dimension |
| CN103643192A (en) * | 2013-12-17 | 2014-03-19 | 江苏大学 | Electromagnetic coupling method for improving plastic deformation capacity of aluminum matrix composite |
| CN106830965A (en) * | 2016-11-07 | 2017-06-13 | 富耐克超硬材料股份有限公司 | Nano-carbon material strengthens the preparation method and application of superhard material based composites |
| CN107323030A (en) * | 2017-06-19 | 2017-11-07 | 常州大学 | A kind of light metal-based laminar composite and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 教育部高等教育司主办: "《第二届全国大学生创新论坛论文集 下》", 31 October 2009, 东南大学出版社 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514272A (en) * | 2019-01-10 | 2019-03-26 | 上海交通大学 | A kind of electric heating auxiliary pack rolling soldering method |
| CN110014045A (en) * | 2019-05-14 | 2019-07-16 | 西南大学 | A method of improving aluminium-magnesium composite plate interface bond strength |
| CN110788136A (en) * | 2019-10-10 | 2020-02-14 | 太原理工大学 | Method for preparing titanium steel composite plate through pulse current auxiliary hot rolling |
| CN110711774A (en) * | 2019-10-23 | 2020-01-21 | 太原理工大学 | Pulse current assisted titanium-TiAl composite plate non-sheath rolling method |
| CN110695610A (en) * | 2019-11-12 | 2020-01-17 | 燕山大学 | Current-assisted rolling processing device for realizing gradient nanocrystallization of surface layer of bar |
| CN110695610B (en) * | 2019-11-12 | 2021-05-28 | 燕山大学 | Current-assisted rolling processing device for realizing gradient nanocrystallization of surface layer of bar |
| CN111360072A (en) * | 2020-03-13 | 2020-07-03 | 吉林大学 | Rolling equipment based on high-frequency current assistance and high-reduction rolling method |
| CN111906144A (en) * | 2020-07-17 | 2020-11-10 | 太原理工大学 | Method for improving interface bonding strength of titanium/aluminum composite board |
| CN111906144B (en) * | 2020-07-17 | 2022-02-22 | 太原理工大学 | Method for improving interface bonding strength of titanium/aluminum composite board |
| CN112718862A (en) * | 2020-12-17 | 2021-04-30 | 太原理工大学 | Pulse current auxiliary rolling device and method for titanium and stainless steel variable-thickness composite plate |
| CN113385534A (en) * | 2021-05-28 | 2021-09-14 | 南京理工大学 | Layered aluminum alloy/aluminum-based composite board and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108296288B (en) | 2019-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108296288B (en) | A kind of rolling preparation method improving aluminum laminate titanium composite material interface bond strength using nano metal powder | |
| US11975370B2 (en) | Pulse current assisted uncanned rolling method for titanium-TiAl composite plates | |
| CN103752611B (en) | A kind of short flow high efficiency preparing process of layered metal composite board band | |
| CN111702008B (en) | Method for rolling three-layer composite ultra-thin strip by multi-roller mill | |
| CN100421830C (en) | Method for preparing lamellar composite material of heterogeneic alloy | |
| CN108296289B (en) | A kind of composite rolling technique improving composite material interfacial weld | |
| CN109174965B (en) | A method of preparing very thin high-performance multilayer copper/copper Al intermetallic/aluminum composite foil material | |
| CN107377617B (en) | A method of preparing multicomponent composite strip | |
| CN108817083A (en) | Realize the preparation method of strong metallurgical bonding in a kind of dissimilar metal interface | |
| CN102941702B (en) | Infiltration preparation method of Cu-MoCu-Cu three-layer composite plate | |
| CN103464505B (en) | Device and method for producing high-frequency roll welding multilayer composite plate | |
| CN106102978A (en) | The manufacture method of metallic laminate | |
| CN106984648B (en) | Equipment and method for preparing metal composite plate | |
| CN104624703A (en) | Manufacturing method for randomly combined multilayered metal composite board | |
| CN108126982B (en) | A kind of method of pulse current asymmetrical rolling preparation high-performance composite strip | |
| CN108126991A (en) | A kind of compound variable-thickness strip pulse current asynchronous rolling process of bimetallic | |
| CN102303216A (en) | Method for producing copper-clad aluminum bar | |
| CN112828037B (en) | Method for preparing ultrathin aluminum-magnesium layered composite material by low-temperature rolling | |
| JP2004107743A (en) | Magnesium alloy sheet and its manufacturing method | |
| CN102941228B (en) | Preparation method of titanium alloy foil | |
| CN113102503B (en) | Preparation method of titanium-aluminum composite ultrathin plate with sandwich structure | |
| CN105499922A (en) | Laminated rolling process for thick aluminium alloy plates | |
| CN111376572B (en) | Preparation method of heterogeneous layered aluminum-based composite material | |
| CN1199742C (en) | Liquid phase rolling method for preparing metal composite material | |
| CN113631316A (en) | Multi-process alloy cladding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |