CN102529217A - Method for preparing copper/molybdenum composite board with molybdenum fibers by accumulative roll bonding - Google Patents
Method for preparing copper/molybdenum composite board with molybdenum fibers by accumulative roll bonding Download PDFInfo
- Publication number
- CN102529217A CN102529217A CN2011104567332A CN201110456733A CN102529217A CN 102529217 A CN102529217 A CN 102529217A CN 2011104567332 A CN2011104567332 A CN 2011104567332A CN 201110456733 A CN201110456733 A CN 201110456733A CN 102529217 A CN102529217 A CN 102529217A
- Authority
- CN
- China
- Prior art keywords
- molybdenum
- copper
- rolling
- composite board
- roll bonding
- 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
Images
Landscapes
- Metal Rolling (AREA)
Abstract
The invention discloses a method for preparing a copper/molybdenum composite board with molybdenum fibers by accumulative roll bonding. In the copper/molybdenum composite board with molybdenum fibers, prepared by the method, molybdenum is fractured to be in a fibrous form by accumulative roll bonding, and then is pinned in a copper plate, and the density of molybdenum fiber can be controlled by accumulative roll bonding passes; and the preparation comprises pretreatment, hot rolling bonding, accumulative roll bonding, finished product annealing and follow-up processing. In the copper/molybdenum composite board with molybdenum fibers, prepared by the method, the copper/molybdenum composite board with different molybdenum fiber densities can be prepared by accumulative roll bonding, and during rolling, a copper-molybdenum interface does not crack, and has no oxidization phenomenon during heat treatment under an argon or hydrogen protective condition, and the prepared composite board has the advantages that the longitudinal tensile strength is 180-360MPa, the transverse tensile strength is 390-620MPa, the elongation rate is 25%-45% and the heat expansion coefficient is controllable. The method has the characteristics of simple preparation process, strong controllability and high yield, and has the most remarkable advantage of being used for large-scale production.
Description
Technical field
The present invention relates to the preparation of composite, particularly a kind of ply rolling prepares the method for molybdenum fiber copper/molybdenum composite plate.
Background technology
Along with the continuous development of industrial technologies such as electronics, information, the energy, automobile, function more and more comes into one's own with metal-base composites, has a extensive future.This material require has physical properties such as higher mechanical property and high heat conduction, low-thermal-expansion, high conduction.Copper/molybdenum structure composite plate possesses These characteristics, so generally be applied to electronic package material.Metal-base composites mainly contains the metal-base composites that strengthens with high performance reinforcing fiber, whisker, particle etc.; Kind such as in-situ authigenic reinforced composite, laminate metal-base composites in the metallic matrix.Its manufacturing approach can be divided into: solid state fabrication techniques, liquid manufacturing technology and other manufacturing technologies.The main solid state fabrication techniques of method of present manufactured copper/molybdenum composite plate, wherein rolling main complex method is, through sheet material is carried out surface treatment; Remove surface contamination layer, obtain the clean surface, make the surface have certain roughness simultaneously; Plate surface with certain roughness is meshing with each other; Form preliminary mechanical bond, make through annealing simultaneously phase counterdiffusion between interface metal further to strengthen interface bond strength.
The key that preparation has good mechanics, a physical property molybdenum fiber copper/molybdenum composite plate is to make molybdenum plate take place to rupture and be pinned in the composite plate through enough big roll-forces, and its key technology mainly comprises: operations such as surface treatment, aximal deformation value ply rolling and annealing.Clean out surface contamination layer and oxide-film through surface treatment, obtain certain hardened layer, make that the crack can take place in the operation of rolling exposes fresh metal, is beneficial to the engagement of metal between the interface.Seek the ply rolling technology of preferable conditions such as deflection, deformation velocity and deformation temperature.In annealing operation; Seek preferable annealing temperature and time; Make that release, the structural state that improves elemental diffusion ability, material and the continuous deformation ability etc. of stress are mated each other at the interface for molybdenum fiber and copper; Make the transition zone that has suitable thickness at the interface and form fully also effective metallurgical binding, and make composite plate possess required microstructure and mechanical property.
The technology of preparing that in relevant document and patent, has also related to copper/molybdenum composite plate.(US4957823, US4950554 point out that rolling compression bonding method prepares copper/molybdenum/copper composite plate in US4988392) to american documentation literature; Zhu Aihui (Xi'an University of Architecture and Technology's Master's thesis, 2006) proposes to contain the cold rolling preparation copper/molybdenum/copper composite plate that helps multiple agent, thinks between the interface, to add one deck aluminium foil as transition zone, composite plate is reached combine closely; Wang Haishan etc. are in document (Central South University's Master's thesis, 2004; Metal material heat treatment, 2004,29 (5); Rare metal, 2005,29 (1)) in copper/molybdenum/copper composite plate preparation technology and performance have been carried out the research of some aspect, proposed the influence of surface treatment mode, combination process and annealing schedule interface composite quality and intensity.Be through rolling preparation laminated composite plate.
Visible in view of above relevant copper/molybdenum composite plate technology of preparing data, though some key technology has reached maturation, all not mentioned ply rolling prepares molybdenum fiber copper/molybdenum composite plate.So through surface treatment, aximal deformation value ply rolling and annealing prepared molybdenum fiber copper/the molybdenum composite plate is significant, the method is simple, safety and economy.
Summary of the invention
The objective of the invention is to; The preparation method of a kind of molybdenum fiber copper/molybdenum composite plate is proposed; This method with ordinary copper and molybdenum as raw material; The characteristics of molybdenum fiber composite plate of preparation are that molybdenum plate fragments into fibrously after the ply rolling, and dispersion is pinned in the copper coin, satisfies the demand of hyundai electronics packaging industrial to high strength, electric-conductivity heat-conductivity high material.
In order to realize above-mentioned task, the present invention takes following technical solution:
A kind of ply rolling prepares the method for molybdenum fiber copper/molybdenum composite plate, it is characterized in that, follows these steps to carry out:
Get technical pure molybdenum blank, under 1000 ℃～1350 ℃ conditions, be rolled into the molybdenum plate of 0.5mm～2.5mm, and heat-treat;
Getting thickness is the technical pure copper coin of 2mm～6mm, and annealing in process is 0.5 hour～1.5 hours under 600 ℃ of temperature conditions;
Step 2 is carried out surface finish with molybdenum plate after the heat treatment and copper coin water grinding machine respectively, makes roughness Ra≤7～8 μ m on surface, and with the surface after the acetone polishing, removes greasy dirt, oxide and the impurity on molybdenum plate and copper coin surface with gases at high pressure;
Step 3 with copper coin and the molybdenum plate after cleaning, is stacked together with the order of copper/molybdenum/copper successively, then with it from an end certain gradient of fixing and polish, so that milling train is nipped;
Step 4 placed the heating furnace of argon gas or hydrogen shield with above-mentioned superimposed good material, with insulation under 750 ℃～850 ℃ temperature 20 minutes～30 minutes;
Step 5 takes out the sheet material after the heating and be rolled with 60%～70% single pass reduction ratio immediately, and rolling temperature is 750 ℃～850 ℃, and this moment, copper coin belonged to hot rolling;
Step 6, rolling after, cut generation limit on the sheet material earlier and split part and burr, be cut into two equivalent parts again;
Step 7, the operation of repeating step two to step 6 then, and carry out the accumulation ply rolling of 4～10 passages;
Step 8 is placed on the sheet material after the accumulation ply rolling in the annealing furnace of argon gas or hydrogen shield, under 200 ℃～900 ℃ conditions, is incubated 30～120min, is cooled to room temperature then and takes out, and promptly processes molybdenum fiber copper/molybdenum composite plate.
With the molybdenum fiber copper/molybdenum composite plate of said method gained, size is as required selected rolling or is sheared.
The present invention adopts accumulation ply rolling technology, because multi-pass ply rolling total deformation is bigger, copper is softer bigger with respect to the molybdenum distortion, has produced tension and has made molybdenum plate generation fracture behaviour, and therefore, molybdenum breaks to form fibrous in vertical rolling direction.Copper and Mo closely are combined with each other, and have improved the performances such as conduction, heat conduction and coefficient of expansion controllability of composite board significantly.The molybdenum fiber copper/molybdenum composite plate endwise tensile strength of preparation is that 180～360MPa, transverse tensile strength are that 390～620MPa, percentage elongation are 25%～45%.Have that preparation technology is simple, controllability reaches the high characteristics of yield rate by force, its great advantage is to can be used for large-scale production.
Description of drawings
Fig. 1 is a process chart of the present invention;
Fig. 2 is a fixed form;
Fig. 3 is the structural representation that adopts the molybdenum fiber copper/molybdenum composite plate of method preparation of the present invention.Wherein Fig. 3 (a) is along the rolling direction structure, and Fig. 3 (b) is vertical rolling direction structure.
The embodiment that provides below in conjunction with the inventor does further detailed description to the present invention.
The specific embodiment
Further research through the applicant shows that in copper/molybdenum composite plate, the molybdenum fiber is pinned in the copper; Copper can expand when thermal environment influences; This moment, the molybdenum of low bulk property played main inhibition to the composite plate change in size, but role is limited, and therefore increasing the molybdenum fibre density helps alleviating this problem; Promptly increase the ply rolling number of times, so just improved the dimensional stability of material under thermal environment.Simultaneously, the thermal uniformity of composite plate is strengthened.In addition, because the more effective expansion that prevents crackle is understood in increasing of interface, improved the fracture toughness and the damage tolerance performance of material.
Embodiment 1: the preparation of the less copper of molybdenum fibre density/molybdenum composite plate
Referring to Fig. 1, the preparation of the less copper of molybdenum fibre density/molybdenum composite plate, specifically implement according to the following steps:
One, molybdenum plate and copper coin preparation
Get technical pure molybdenum blank, under 1000 ℃～1350 ℃ conditions, be rolled into the molybdenum plate of 0.5mm～2.5mm, and heat-treat, cool off with stove;
Get the technical pure copper coin, the thickness of copper coin is: 2.0mm～6.0mm, be placed in the annealing furnace, and annealing in process is 1 hour under 600 ℃ of temperature conditions, cools off with stove;
Surperficial water grinding machine to above-mentioned molybdenum plate and copper coin is polished, and makes its surperficial roughness Ra≤7～8 μ m; And,, use gases at high pressure to dry up the surface simultaneously to remove greasy dirt, oxide and the impurity on molybdenum plate and copper coin surface with the surface after the acetone polishing.
Two, copper coin and the molybdenum plate after cleaning is dried up put together (thickness of molybdenum plate was less than and equals copper plate thickness, as 1: 1: 1 or 2: 1: 2) with the order stack of copper/molybdenum/copper, and the gross thickness of superimposed back sheet material is less than 15mm; It is fixed (rivet connects, 1 place among Fig. 2) and certain gradient of polishing from an end, and general effect is as shown in Figure 2, so that milling train is nipped;
Three, above-mentioned superimposed good material is placed the heating furnace of gas shields such as argon gas or hydrogen, with insulation under 750 ℃～850 ℃ temperature 20 minutes～30 minutes;
Four, the sheet material after will heating takes out and is rolled with 60%～70% single pass reduction ratio immediately, and rolling temperature is 750～850 ℃, and this moment, copper coin belonged to hot rolling.
Five, the sheet material after rolling is cut except that splitting part and burr in the generation limit; Be cut into two equivalent parts again; Repeat the operation (will the end of nipping be fixed simultaneously fixedly tail end during repeating step two) of sanding operation to step 5 in the above-mentioned steps one then, and carry out the accumulation ply rolling of 4～7 passages;
Six, the sheet material that will accumulate after the ply rolling is placed in the annealing furnace of argon gas/hydrogen shield; Under 200 ℃～900 ℃, the condition of temperature retention time 30～120min, heat-treat; Be cooled to the room temperature taking-up then and carry out Performance Detection, promptly process the less copper of molybdenum fibre density/molybdenum composite plate.
Embodiment 2: the preparation of the big copper of molybdenum fibre density/molybdenum composite plate
Present embodiment prepares according to the technology in the instance 1; Different is that the operation of sanding operation to step 5 in repeating step one need be carried out the accumulation ply rolling of 8～10 passages; The heat treatment of execution in step six then promptly obtains the big copper of molybdenum fibre density/molybdenum composite plate.
Through detecting, the copper/molybdenum composite plate endwise tensile strength of the foregoing description preparation is that 180～360MPa, transverse tensile strength are that 390～620MPa, percentage elongation are 25%～45%.Can size as required carry out the rolling or shearing of follow-up selection.
Claims (1)
1. a ply rolling prepares the method for molybdenum fiber copper/molybdenum composite plate, it is characterized in that, follows these steps to carry out:
Step 1, the material preliminary treatment:
Get technical pure molybdenum blank, under 1000 ℃～1350 ℃ conditions, be rolled into the molybdenum plate of 0.5mm～2.5mm, and heat-treat;
Getting thickness is the technical pure copper coin of 2mm～6mm, and annealing in process is 0.5 hour～1.5 hours under 600 ℃ of temperature conditions;
Step 2 is carried out surface finish with molybdenum plate after the heat treatment and copper coin water grinding machine respectively, makes roughness Ra≤7～8 μ m on surface, and with the surface after the acetone polishing, removes greasy dirt, oxide and the impurity on molybdenum plate and copper coin surface with gases at high pressure;
Step 3 with copper coin and the molybdenum plate after cleaning, is stacked together with the order of copper/molybdenum/copper successively, then with it from an end certain gradient of fixing and polish, so that milling train is nipped;
Step 4 placed the heating furnace of argon gas or hydrogen shield with above-mentioned superimposed good material, with insulation under 750 ℃～850 ℃ temperature 20 minutes～30 minutes;
Step 5 takes out the sheet material after the heating and be rolled with 60%～70% single pass reduction ratio immediately, and rolling temperature is 750 ℃～850 ℃, and this moment, copper coin belonged to hot rolling;
Step 6, rolling after, cut generation limit on the sheet material earlier and split part and burr, be cut into two equivalent parts again;
Step 7, the operation of repeating step two to step 6 then, and carry out the accumulation ply rolling of 4～10 passages;
Step 8 is placed on the sheet material after the accumulation ply rolling in the annealing furnace of argon gas or hydrogen shield, under 200 ℃～900 ℃ conditions, is incubated 30～120min, is cooled to room temperature then and takes out, and promptly processes molybdenum fiber copper/molybdenum composite plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110456733.2A CN102529217B (en) | 2011-12-26 | 2011-12-26 | Method for preparing copper/molybdenum composite board with molybdenum fibers by accumulative roll bonding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110456733.2A CN102529217B (en) | 2011-12-26 | 2011-12-26 | Method for preparing copper/molybdenum composite board with molybdenum fibers by accumulative roll bonding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102529217A true CN102529217A (en) | 2012-07-04 |
| CN102529217B CN102529217B (en) | 2015-04-22 |
Family
ID=46337826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110456733.2A Active CN102529217B (en) | 2011-12-26 | 2011-12-26 | Method for preparing copper/molybdenum composite board with molybdenum fibers by accumulative roll bonding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102529217B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097899A (en) * | 2017-03-17 | 2017-08-29 | 银邦金属复合材料股份有限公司 | Hull transit joint, aluminum steel composite material and its production method |
| CN108724847A (en) * | 2018-04-16 | 2018-11-02 | 兰州理工大学 | A kind of composite board and preparation method thereof of aluminium sheet and titanium plate accumulation ply rolling |
| CN109290371A (en) * | 2018-11-08 | 2019-02-01 | 瓯锟科技温州有限公司 | A kind of cold rolling manufacturing method of Copper-Aluminum compound strip |
| CN109647882A (en) * | 2018-08-14 | 2019-04-19 | 南京交通职业技术学院 | A kind of high-strength high-plastic nano-stack material and preparation method thereof |
| CN111229833A (en) * | 2020-02-08 | 2020-06-05 | 西北工业大学太仓长三角研究院 | Method for preparing laminated metal composite material by multilayer-cumulative pack rolling |
| CN112296086A (en) * | 2019-07-26 | 2021-02-02 | 南京理工大学 | Accumulative roll-stacking method for preparing high-bonding-strength copper-chromium composite material |
| CN113617840A (en) * | 2021-08-09 | 2021-11-09 | 长春工业大学 | Preparation method of multi-metal multilayer gradient composite material |
| CN113664063A (en) * | 2021-08-26 | 2021-11-19 | 西安航空学院 | Preparation method of copper-molybdenum-copper laminated composite material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4950554A (en) * | 1989-05-30 | 1990-08-21 | Amax Inc. | Composite copper-molybdenum sheet |
| CN1834691A (en) * | 2006-04-21 | 2006-09-20 | 张奔牛 | Proximity transducer |
| CN1850436A (en) * | 2006-04-10 | 2006-10-25 | 安泰科技股份有限公司 | Method for preparing copper/molybdenum/copper electronic packaging composite material with special layer thickness proportion |
| CN101486043A (en) * | 2009-01-15 | 2009-07-22 | 西安建筑科技大学 | Method for preparing multilayer structure composite steel plate |
-
2011
- 2011-12-26 CN CN201110456733.2A patent/CN102529217B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4950554A (en) * | 1989-05-30 | 1990-08-21 | Amax Inc. | Composite copper-molybdenum sheet |
| CN1850436A (en) * | 2006-04-10 | 2006-10-25 | 安泰科技股份有限公司 | Method for preparing copper/molybdenum/copper electronic packaging composite material with special layer thickness proportion |
| CN1834691A (en) * | 2006-04-21 | 2006-09-20 | 张奔牛 | Proximity transducer |
| CN101486043A (en) * | 2009-01-15 | 2009-07-22 | 西安建筑科技大学 | Method for preparing multilayer structure composite steel plate |
Non-Patent Citations (2)
| Title |
|---|
| 《中国优秀硕士学位论文全文数据库工程科技1辑》 20070915 朱爱辉 "铜/钼/铜复合轧制实验研究" 12-18、26-38 1 , * |
| 朱爱辉: ""铜/钼/铜复合轧制实验研究"", 《中国优秀硕士学位论文全文数据库工程科技1辑》, 15 September 2007 (2007-09-15) * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097899A (en) * | 2017-03-17 | 2017-08-29 | 银邦金属复合材料股份有限公司 | Hull transit joint, aluminum steel composite material and its production method |
| CN108724847A (en) * | 2018-04-16 | 2018-11-02 | 兰州理工大学 | A kind of composite board and preparation method thereof of aluminium sheet and titanium plate accumulation ply rolling |
| CN109647882A (en) * | 2018-08-14 | 2019-04-19 | 南京交通职业技术学院 | A kind of high-strength high-plastic nano-stack material and preparation method thereof |
| CN109290371A (en) * | 2018-11-08 | 2019-02-01 | 瓯锟科技温州有限公司 | A kind of cold rolling manufacturing method of Copper-Aluminum compound strip |
| CN112296086A (en) * | 2019-07-26 | 2021-02-02 | 南京理工大学 | Accumulative roll-stacking method for preparing high-bonding-strength copper-chromium composite material |
| CN112296086B (en) * | 2019-07-26 | 2022-09-09 | 南京理工大学 | Accumulative roll-stacking method for preparing high-bonding-strength copper-chromium composite material |
| CN111229833A (en) * | 2020-02-08 | 2020-06-05 | 西北工业大学太仓长三角研究院 | Method for preparing laminated metal composite material by multilayer-cumulative pack rolling |
| CN111229833B (en) * | 2020-02-08 | 2022-05-10 | 西北工业大学太仓长三角研究院 | Method for preparing laminated metal composite material by multilayer-cumulative pack rolling |
| CN113617840A (en) * | 2021-08-09 | 2021-11-09 | 长春工业大学 | Preparation method of multi-metal multilayer gradient composite material |
| CN113664063A (en) * | 2021-08-26 | 2021-11-19 | 西安航空学院 | Preparation method of copper-molybdenum-copper laminated composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102529217B (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102529217B (en) | Method for preparing copper/molybdenum composite board with molybdenum fibers by accumulative roll bonding | |
| CN102357525A (en) | Preparation method for multilayer copper/molybdenum structure composite plate | |
| CN112126822B (en) | Rolling (FeCoNiCrR)n/Al) -2024Al composite board and preparation method thereof | |
| CN105856727B (en) | A kind of multiple layer of copper/titanium composite panel and preparation method thereof | |
| CN112719179B (en) | Forging method of TC1 titanium alloy bar | |
| CN110284089B (en) | Isothermal superplastic deformation method for micro/nano particle reinforced titanium-based composite material | |
| Cui et al. | Fabrication, microstructure characterization and fracture behavior of a unique micro-laminated TiB-TiAl composites | |
| CN104388859A (en) | Method for simultaneously improving strength and plasticity of copper aluminum alloy | |
| CN111251691A (en) | Preparation method of multi-scale structure titanium alloy material | |
| CN112496036A (en) | Method for preparing metal gradient material by rolling | |
| Wang et al. | Study on influencing factors of bending springback for metal fiber laminates | |
| CN109500128A (en) | A kind of magnalium steel laminated composite plate and preparation method thereof | |
| Muthuchamy et al. | Spark plasma consolidation of continuous fiber reinforced titanium matrix composites | |
| Wu et al. | Mechanical properties of (Ti2AlC+ Ti3AlC)–TiAl ceramic–intermetallic laminate (CIL) composites | |
| CN112845587B (en) | Method for preparing gradient structure metal material by increment-accumulation pack rolling | |
| CN105313426B (en) | Method for preparing NiTi-fiber-enhanced 2219Al composite | |
| CN111761007B (en) | Preparation method of GH4169 alloy disc forging added with return material | |
| Tang et al. | Influence of rolling deformation on microstructures and mechanical properties of laminated Mg/Zr composites | |
| CN109130384A (en) | Carbon fiber reinforced magnesium aluminium laminated composite plate and preparation method thereof for automobile chassis | |
| CN109487102B (en) | Preparation method of aluminum-magnesium-scandium alloy plate for superplastic forming | |
| CN110396656A (en) | A kind of composite reinforcement process of superhigh intensity TB8 titanium alloy | |
| Cao et al. | Effect of interface on mechanical properties of Ti/Al/Mg/Al/Ti laminated composites | |
| CN115058672B (en) | Surface nanocrystallization large-size ultrafine-grain titanium alloy sheet and preparation method thereof | |
| CN107937840B (en) | A kind of titanium-aluminium alloy composite material and preparation method | |
| Shakouri et al. | Characterization of microstructure and mechanical properties of multilayer Al/Cu/Mg/Ni composite produced through accumulative roll bonding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |