CN106065444B - The method that powder metallurgic method prepares corronil material - Google Patents
The method that powder metallurgic method prepares corronil material Download PDFInfo
- Publication number
- CN106065444B CN106065444B CN201610606681.5A CN201610606681A CN106065444B CN 106065444 B CN106065444 B CN 106065444B CN 201610606681 A CN201610606681 A CN 201610606681A CN 106065444 B CN106065444 B CN 106065444B
- Authority
- CN
- China
- Prior art keywords
- alloy
- nickel
- obtains
- temperature
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
-
- 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
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to the methods that powder metallurgic method prepares corronil material comprising aluminum shot is placed in heating furnace, copper particle is added after aluminum shot dissolving and Nickel particle carries out melting, net dross is dragged for after dissolved clarification, obtains aluminium alloy；Aluminium alloy is poured into mold, is subsequently placed in cold water and is cooled to room temperature, obtains alloy pig；It is crushed after alloy pig is turned into fines, obtains alloyed powder；Above-mentioned alloyed powder is placed in extrusion die, then by extruder extrusion forming, obtains cupro-nickel aluminum alloy materials；Above-mentioned cupro-nickel aluminum alloy materials are heat-treated again.The present invention is poured by aluminium alloy in mold, is subsequently placed in cold water and is cooled to room temperature, and aluminium alloy is made to be quickly cooled down, and ensures that metal is shorter in the hot stage residence time, and alloying element has little time to spread, and to thinning microstructure, reduces segregation；Meanwhile the present invention has higher hardness and strength by copper-based alloy material prepared by powder metallurgic method.
Description
Technical field
The present invention relates to copper-based alloy material, the specifically preparation process of cupro-nickel powdered metallurgical material.
Background technology
Copper and copper alloy are to apply earliest one of metal material, be widely used in machine-building, transport, building, it is electrical,
The industrial departments such as electronics；Wherein electric and electronic industry amount of copper consuming is larger, mainly for the manufacture of electric wire, communication cable etc..Copper and copper
Alloy is generally nonmagnetic, has good weldability energy, polishing performance and surface treatment properties etc..And nickel is mixed in copper to be shown
It writes and improves corrosion resistance, intensity, hardness, resistance, and reduce temperature coefficient of resistivity.
PM technique is made by forming and sintering with non-metal powder mixture with metal powder or metal powder
The technology for taking metal material, composite material and various types product is a kind of chipless or the processing method of few chip, gold
Belong to utilization rate and nearly reach 100%, has many advantages, such as that productivity is high, stock utilization is high.And copper based powder metallurgy material is due to holding
Loading capability, anticorrosive and antiwear property are stronger, be used to prepare lock body, camera shutter mechanism, gear, cam etc..But it is existing
There are the copper-based material hardness and strength prepared using PM technique inadequate, influences the performance of material.
Invention content
In view of the above technical problems, the present invention, which provides one kind, can prepare that hardness is larger, intensity is higher prepares corronil
The method of material.
The technical solution adopted by the present invention is：The method that powder metallurgic method prepares corronil material comprising following step
Suddenly：
（1）Aluminum shot is placed in heating furnace, copper particle is added after aluminum shot dissolving and Nickel particle carries out melting, is dragged for after dissolved clarification net floating
Slag obtains aluminium alloy；
（2）Aluminium alloy is poured into mold, is subsequently placed in cold water and is cooled to room temperature, obtains alloy pig；
（3）It is crushed after alloy pig is turned into fines, obtains alloyed powder；
（4）Above-mentioned alloyed powder is placed in extrusion die, then by extruder extrusion forming, obtains cupro-nickel aluminium alloy material
Material；
（5）Above-mentioned cupro-nickel aluminum alloy materials are sintered and are heat-treated again.
Preferably, in aluminum shot, copper particle and Nickel particle, the content of nickel is 10wt%, and the content of aluminium is 1-2 wt %, surplus
For copper.
Preferably, extrusion forming carries out in protective atmosphere, pressure is 1000-1200MPa.
Preferably, when hot pressed sintering, 20-30s are first sintered with 280-320 DEG C of temperature, then with 500-600 DEG C
Temperature is sintered 40-60s, then is sintered 20-30s with 650-700 DEG C of temperature.
Preferably, heat treatment is successively using solid solution, cold pressing deformation and ageing treatment.
Preferably, the temperature of solution treatment is 650-700 DEG C, the time is 10-12min.
Preferably, the cold pressing deflection of cold pressing deformation process is 30-35%.
Preferably, the temperature of ageing treatment is 300-350 DEG C, the time is 2-3h.
As can be known from the above technical solutions, the present invention is poured by aluminium alloy in mold, is subsequently placed in cold water and is cooled to
Room temperature makes aluminium alloy be quickly cooled down, and ensures that metal is shorter in the hot stage residence time, and alloying element has little time to spread, to
Thinning microstructure reduces segregation；Meanwhile the copper-based alloy material that is prepared by powder metallurgic method of the present invention have higher hardness and
Intensity.
Specific implementation mode
The present invention is described more detail below, illustrative examples of the invention and explanation are used for explaining the present invention herein,
But it is not as a limitation of the invention.
The method that powder metallurgic method prepares corronil material comprising following steps：
Using aluminium, copper, Nickel particle as raw material, and by the content of nickel be 10wt%, the content of aluminium is 1-2 wt %, surplus be copper into
Row dispensing；Then aluminum shot is placed in induction heater, copper particle is added after aluminum shot dissolving and Nickel particle carries out melting, is dragged for after dissolved clarification
Net dross, obtains aluminium alloy；Aluminium alloy is poured into mold, is immediately placed in cold water and is cooled to room temperature together with mold, obtain
Alloy pig；Then it is crushed after alloy pig being turned into fines, obtains alloyed powder；
Above-mentioned alloyed powder is placed in extrusion die, then by extruder extrusion forming, obtains cupro-nickel aluminum alloy materials；
In extrusion process, the metal powder end in mold is in addition to the normal pressure for being squeezed machine punch, also by the lateral pressure of mold wall
With the effect of frictional force；With the movement of punch, the powder in mold is progressively compacted, to be squeezed out by mold.In order to anti-
Only metal aoxidizes, and extrusion forming carries out under protective atmosphere, and pressure uses 1000-1200MPa, consistency available in this way compared with
High material, and performance profile is uniform, productivity is high；Then the cupro-nickel aluminum alloy materials that above-mentioned extrusion forming obtains are carried out
Sintering, sintering carry out in three stages, are first sintered 20-30s with 280-320 DEG C of temperature, are then burnt with 500-600 DEG C of temperature
40-60s of knot, then it is sintered 20-30s with 650-700 DEG C of temperature；First stage belongs to the sintering preparation stage, further to burn
Tie environment purification；Second stage initially forms sintering neck between alloying substance particle, and be combined with each other with the raising of temperature,
Reduction reaction occurs for particle surface oxide, and to continue to participate in sintering, intergranular combination encloses mutual gap；
The sintering temperature higher of three phases, intergranular sintering neck are further grown up, and more particles are merged, and sintered body obtains
To further contraction, nodularization, to which raising prepares the intensity and hardness of material.
Above-mentioned powdered metallurgical material is heat-treated；Heat treatment is successively using solid solution, cold pressing deformation and ageing treatment；Gu
The temperature of molten processing is 650-700 DEG C, and the time is 10-12min, solid solubility in Copper substrate of controllable in this way nickel, aluminium and
Grain size；Solid solubility temperature is excessively high, can lead to coarse grains, reduces alloy strength；Solid solubility temperature is too low, though crystal grain is smaller,
Follow-up ageing treatment can be caused to be difficult to play the effect of reinforced alloys.
Preferably, the cold pressing deflection of cold pressing deformation process is 30-35%；Alloy is cold worked before ageing treatment
Deformation can make alloy that the double effects of working hardening and ageing strengthening be presented；The temperature of ageing treatment is 300-350 DEG C, the time
For 2-3h；The second phase can be precipitated in ageing treatment, generate dispersion-strengtherning.
Embodiment 1
1wt % aluminum shots are placed in induction heater, 89wt % copper particles are added after aluminum shot dissolving and 10wt% Nickel particles are melted
Refining, net dross is dragged for after dissolved clarification, obtains aluminium alloy；Aluminium alloy is poured into mold again, and rapid water cooling is closed to room temperature
Ingot；Then it is crushed after alloy pig being turned into fines, obtains alloyed powder；Alloyed powder is placed in extrusion die, then is led to
It crosses extruder to be molded using the pressure extrusion of 1000MPa, obtains cupro-nickel aluminum alloy materials, be then sintered with 280 DEG C of temperature
Then 30s is sintered 60s with 500 DEG C of temperature, then is sintered 30s with 650 DEG C of temperature；Then with 650 DEG C of solution treatment 12min；Then
It is cold-pressed deformation process, cold pressing deflection is 30%；Finally with 300 DEG C of ageing treatment 3h, cupro-nickel aluminium powder powder metallurgy material is obtained.It surveys
The hardness for obtaining the material is 38.6HRC, shear strength 580.4MPa, bulk density 8.28g/cm3。
Embodiment 2
1.5 wt % aluminum shots are placed in induction heater, 88.5 wt % copper particles and 10wt% Nickel particles is added after aluminum shot dissolving
Melting is carried out, net dross is dragged for after dissolved clarification, obtains aluminium alloy；Aluminium alloy is poured into mold again, and rapid water cooling is to room temperature,
Obtain alloy pig；Then it is crushed after alloy pig being turned into fines, obtains alloyed powder；Alloyed powder is placed in extrusion die
In, then by extruder using 1100MPa pressure extrusion be molded, cupro-nickel aluminum alloy materials are obtained, then with 300 DEG C of temperature
It is sintered 25s, is then sintered 50s with 560 DEG C of temperature, then 25s is sintered with 680 DEG C of temperature；Then with 680 DEG C of solution treatment 11min；
Then it is cold-pressed deformation process, cold pressing deflection is 32%；Finally with 330 DEG C of ageing treatment 2.5h, cupro-nickel aluminium powder metallurgy material is obtained
Material.The hardness for measuring the material is 48.7HRC, shear strength 601.3MPa, bulk density 8.02g/cm3。
Embodiment 3
2 wt % aluminum shots are placed in induction heater, 88wt % copper particles are added after aluminum shot dissolving and 10wt% Nickel particles carry out
Melting drags for net dross after dissolved clarification, obtains aluminium alloy；Aluminium alloy is poured into mold again, and rapid water cooling is obtained to room temperature
Alloy pig；Then it is crushed after alloy pig being turned into fines, obtains alloyed powder；Alloyed powder is placed in extrusion die, then
It is molded using the pressure extrusion of 1200MPa by extruder, obtains cupro-nickel aluminum alloy materials, be then sintered with 320 DEG C of temperature
Then 20s is sintered 40s with 600 DEG C of temperature, then is sintered 20s with 700 DEG C of temperature；Then with 700 DEG C of solution treatment 10min；Then
It is cold-pressed deformation process, cold pressing deflection is 35%；Finally with 350 DEG C of ageing treatment 2h, cupro-nickel aluminium powder powder metallurgy material is obtained.It surveys
The hardness for obtaining the material is 39.9HRC, shear strength 575.1MPa, bulk density 7.86g/cm3。
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above example is only applicable to help to understand this
The principle of inventive embodiments；Meanwhile for those of ordinary skill in the art, embodiment according to the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (3)
1. the method that powder metallurgic method prepares corronil material comprising following steps：
（1）Aluminum shot is placed in heating furnace, copper particle is added after aluminum shot dissolving and Nickel particle carries out melting, net dross is dragged for after dissolved clarification,
Obtain aluminium alloy；
（2）Aluminium alloy is poured into mold, is subsequently placed in cold water and is cooled to room temperature, obtains alloy pig；
（3）It is crushed after alloy pig is turned into fines, obtains alloyed powder；
（4）Above-mentioned alloyed powder is placed in extrusion die, then by extruder extrusion forming, obtains cupro-nickel aluminum alloy materials；
（5）Above-mentioned cupro-nickel aluminum alloy materials are sintered and are heat-treated again；In aluminum shot, copper particle and Nickel particle, the content of nickel is
The content of 10wt%, aluminium are 1-2 wt %, and surplus is copper；Extrusion forming carries out in protective atmosphere, and pressure is 1000-
1200MPa；When hot pressed sintering, 20-30s are first sintered with 280-320 DEG C of temperature, are then sintered with 500-600 DEG C of temperature
40-60s, then it is sintered 20-30s with 650-700 DEG C of temperature；Heat treatment is successively using solid solution, cold pressing deformation and ageing treatment；
The temperature of solution treatment is 650-700 DEG C, and the time is 10-12min.
2. the method that powder metallurgic method as described in claim 1 prepares corronil material, it is characterised in that：It is cold-pressed deformation process
Cold pressing deflection be 30-35%.
3. the method that powder metallurgic method as described in claim 1 prepares corronil material, it is characterised in that：The temperature of ageing treatment
Degree is 300-350 DEG C, and the time is 2-3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606681.5A CN106065444B (en) | 2016-07-29 | 2016-07-29 | The method that powder metallurgic method prepares corronil material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606681.5A CN106065444B (en) | 2016-07-29 | 2016-07-29 | The method that powder metallurgic method prepares corronil material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106065444A CN106065444A (en) | 2016-11-02 |
| CN106065444B true CN106065444B (en) | 2018-10-02 |
Family
ID=57206995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606681.5A Active CN106065444B (en) | 2016-07-29 | 2016-07-29 | The method that powder metallurgic method prepares corronil material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106065444B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653394A (en) * | 2017-09-04 | 2018-02-02 | 钱友静 | A kind of biological corronil based on rye grass |
| CN109403769A (en) * | 2018-09-30 | 2019-03-01 | 宁波晋畅机电科技有限公司 | A kind of hinge |
| CN111074092B (en) * | 2019-12-26 | 2021-08-17 | 浙江杭机新型合金材料有限公司 | High-strength high-conductivity copper-nickel-silicon alloy material and preparation method thereof |
| CN111519063A (en) * | 2020-06-08 | 2020-08-11 | 江西省科学院应用物理研究所 | Method for preparing Cu-Fe alloy by adopting copper scraps and scrap iron |
| CN112725657B (en) * | 2020-12-24 | 2021-09-17 | 国工恒昌新材料沧州有限公司 | Preparation method of C70350 nickel-silicon bronze strip |
| CN112795810B (en) * | 2020-12-25 | 2022-03-22 | 国工恒昌新材料沧州有限公司 | Preparation method of C70250 nickel-silicon bronze strip |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101290838A (en) * | 2008-06-19 | 2008-10-22 | 河南科技大学 | Preparing method of contact tip composite material of vacuum switch based on dispersed copper |
| CN103421984A (en) * | 2013-09-10 | 2013-12-04 | 中南大学 | Ultrahigh-strength CuNiAl elastic copper alloy materials and manufacturing method thereof |
| CN103710570A (en) * | 2013-12-19 | 2014-04-09 | 长沙理工大学 | Cu-Ni-Al-Ce porous alloy and preparation method thereof |
| CN104532055A (en) * | 2014-11-21 | 2015-04-22 | 华南理工大学 | High nickel-content deformable aluminum white copper alloy material, and preparation method thereof |
| CN104959609A (en) * | 2015-06-05 | 2015-10-07 | 东睦新材料集团股份有限公司 | Preparation method of copper-base powder metallurgy part |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004319350B2 (en) * | 2004-04-05 | 2010-07-08 | Swissmetal-Ums Usines Metallurgiques Suisses Sa | Free-cutting, lead-containing Cu-Ni-Sn alloy and production method thereof |
-
2016
- 2016-07-29 CN CN201610606681.5A patent/CN106065444B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101290838A (en) * | 2008-06-19 | 2008-10-22 | 河南科技大学 | Preparing method of contact tip composite material of vacuum switch based on dispersed copper |
| CN103421984A (en) * | 2013-09-10 | 2013-12-04 | 中南大学 | Ultrahigh-strength CuNiAl elastic copper alloy materials and manufacturing method thereof |
| CN103710570A (en) * | 2013-12-19 | 2014-04-09 | 长沙理工大学 | Cu-Ni-Al-Ce porous alloy and preparation method thereof |
| CN104532055A (en) * | 2014-11-21 | 2015-04-22 | 华南理工大学 | High nickel-content deformable aluminum white copper alloy material, and preparation method thereof |
| CN104959609A (en) * | 2015-06-05 | 2015-10-07 | 东睦新材料集团股份有限公司 | Preparation method of copper-base powder metallurgy part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106065444A (en) | 2016-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106065444B (en) | The method that powder metallurgic method prepares corronil material | |
| CN105803236B (en) | A kind of aluminum matrix composite of non-crystaline amorphous metal enhancing and preparation method thereof | |
| CN108441827A (en) | Aluminium-scandium alloy target preparation method | |
| CN104073674A (en) | Preparation method of graphene aluminum-based composite material | |
| CN105734459B (en) | The preparation method of carbon nanotube enhanced aluminium-based composite material | |
| TWI544094B (en) | Copper alloy powder, copper alloy sintered body and high-speed railway with brake lining | |
| CN103667758A (en) | Preparation method of particle-reinforced aluminum base composite | |
| CN106563919A (en) | Method for preparing middle bezel and rear cover of mobile phone | |
| CN103469006B (en) | Method for manufacturing nickel-copper alloy valve body for precision casting | |
| CN101831568A (en) | Method for preparing superhigh temperature resistant iridium alloy by using powder metallurgy method | |
| CN101439405B (en) | Magnesium-based composite material and method for forming magnesium-based composite material parts | |
| CN103882270A (en) | Aluminum alloy material for special-type high pressure oil pump cases and preparation method thereof | |
| TW200533763A (en) | Aluminum alloy for plastic working, and its manufacturing method | |
| CN105154729A (en) | Cast aluminum-zinc-magnesium-copper-tantalum alloy and manufacturing method thereof | |
| CN106350710A (en) | Preparation method of aluminum-magnesium alloy applied to automobile engines | |
| CN106475567A (en) | The manufacture method of chrome molybdenum target blankss | |
| CN106086492B (en) | The preparation process of copper based powder metallurgy material | |
| CN106077654A (en) | A kind of method preparing powdered metallurgical material | |
| CN106065445B (en) | The method that powder metallurgic method prepares Cu-base composites | |
| CN105734460A (en) | Continuous preparing method for carbon nano tube reinforced aluminum matrix composite material | |
| CN101880814B (en) | Abrasion-resistant electricity and heat conducting material and preparation method thereof | |
| CN103882269A (en) | Aluminum alloy material for high-temperature-resistant brazing aluminum/steel composite strip and application of aluminum alloy material | |
| CN104831117A (en) | Method for preparation of copper alloy valve body | |
| CN106148777A (en) | The processing method of automobile engine almag | |
| CN106119581A (en) | A kind of preparation technology of powdered metallurgical material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |