CN110527886A - A kind of clock and watch are again vertical and preparation method thereof - Google Patents
A kind of clock and watch are again vertical and preparation method thereof Download PDFInfo
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- CN110527886A CN110527886A CN201910820908.XA CN201910820908A CN110527886A CN 110527886 A CN110527886 A CN 110527886A CN 201910820908 A CN201910820908 A CN 201910820908A CN 110527886 A CN110527886 A CN 110527886A
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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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
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- 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
- C22C1/045—Alloys based on refractory metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
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- Powder Metallurgy (AREA)
Abstract
The present invention relates to field of powder metallurgy, a kind of clock and watch are provided and are hung down again and preparation method thereof, hung down again for providing a kind of preferable clock and watch of mechanical property.A kind of clock and watch provided by the invention are again vertical and preparation method thereof, and drawing close to successful conclusion is annular again for the clock and watch, comprising: 92 ~ 98 mass parts of tungsten, 2 ~ 6 mass parts of nickel, 0.5 ~ 3 mass parts of copper.Using heavy vertical material produced by the present invention, the processability and product qualification rate that clock and watch hang down again can be significantly improved, the quality of component is improved.
Description
Technical field
The present invention relates to field of powder metallurgy, and in particular to a kind of clock and watch are again vertical and preparation method thereof.
Background technique
Clock and watch again hang down or clock and watch automatic vertical be clock and watch a clock and watch a Chinese medicine accessory, generally require higher hardness
With certain weight.The clock and watch of annular hang down to being generally injection moulded by powder metallurgy again to be made, powder when due to injection moulding
In flow regime, if temperature is inadequate, easily lead to again hang down be difficult to form.The hardness of tungsten alloy usually can satisfy clock and watch weight simultaneously
Vertical requirement, but toughness is often poor, easy fracture.Therefore a kind of clock and watch weight that can produce high specific gravity, strong mechanical performance is needed
It hangs down.
Summary of the invention
Present invention solves the technical problem that it is again vertical and preparation method thereof to provide a kind of clock and watch to provide a kind of problem.
In order to solve the above technical problem, the present invention provides technical solution are as follows:
A kind of clock and watch are again vertical and preparation method thereof, and drawing close to successful conclusion is annular again for the clock and watch, comprising: 92 ~ 98 mass parts of tungsten, 2 ~ 6 matter of nickel
Measure part, 0.5 ~ 3 mass parts of copper.
Hyperbaric alloy hangs down again for making clock and watch, can effectively save part installation space, improves clock and watch energy storage,
It prevents from stopping too early, tungsten alloy has higher hardness, can effectively improve toughness of material after nickel and copper is added, substantially improve machine
Processing performance improves passing rate of processing.
Preferably, including 95 ~ 97 mass parts of tungsten, 2.1 ~ 3.5 mass parts of nickel, 0.9 ~ 1.5 mass parts of copper.It controls in tungsten alloy
The content of various composition can further improve the toughness of alloy.
Preferably, including 95 mass parts of tungsten, 3.5 mass parts of nickel, 1.5 mass parts of copper.It hangs down again the density of material, intensity, tough
The overall targets such as property, processability, appearance luster are more excellent.
Preferably, including 97 mass parts of tungsten, 2.1 mass parts of nickel, 0.9 mass parts of copper.The material that hangs down again is guaranteeing other machinery
Physical property meets outside processing and requirement, and density is higher.
Preferably, clock and watch drawing close to successful conclusion circular ring shape again.The clock and watch of circular ring shape hang down again can be applicable on most clock and watch.
A kind of preparation method that clock and watch hang down again, comprising:
The powder of tungsten, nickel and copper is sufficiently mixed, mixed-powder is obtained；
Organic binder is added, is sufficiently mixed with mixed-powder, obtains mixture；
Organic binder mixed liquor can be made to heat after at flow regime, load mixed-powder and flowed in injection device；
Mixture injector is infused into the mold that hangs down again, raw embryo is obtained；
Raw embryo is heated in the mixed atmosphere of nitrogen and hydrogen, degreasing obtains idiosome；
Idiosome is heated in the mixed atmosphere of nitrogen and hydrogen, sintering obtains clock and watch vertical blank again.
Preferably, the injection moulding carries out under 120 ~ 180 degrees Celsius, includes 4 ~ 12 the mold that hangs down again on
Feed inlet, the thick embryo is at circular ring shape.Injection moulding needs to carry out at a certain temperature, and 120 ~ 180 degrees Celsius can have
The guarantee mixed liquor of effect is in flow regime, but mobility still has certain limitation, it is annular hang down again one-time formed difficulty compared with
Greatly, it needs multiple feed inlets while feeding, guarantee the uniform complete of idiosome.
Preferably, the mixed atmosphere of the nitrogen and hydrogen provides for constituents, and the degreasing is taken the photograph 80 ~ 450
It is carried out under family name's degree, the degreasing time is no less than 220min.Degreasing carries out organic effectively gluing under reducing atmosphere
Knot agent is volatilized away.
Preferably, the sintering carries out under 1450 ~ 1550 degrees Celsius, and the sintering time is not less than 50min.It burns
Knot so that idiosome final molding and have good density and be appropriate to subsequent mechanical processing mechanical and physical performance.
Preferably, the injection moulding carries out under 150 degrees Celsius, the degreasing under 80-450 degrees Celsius into
Row, the degreasing time are 180min；The sintering carries out under 1500 degrees Celsius, and the sintering time is 25min.
With this condition, the hardness and strength hung down again have obtained effective raising.
Preferably, the clock and watch again hang down in further include modified copper alloy, the copper alloy includes 1 ~ 5 mass parts of nickel,
0.1 ~ 2.1 mass parts of silicon, 0.01 ~ 1 mass parts of rare earth oxide, 70 ~ 80 mass parts of copper, the rare earth oxide are strontium manganate
Lanthanum；
The modification copper alloy is made by the following method:
Under protection of argon gas, hollow induction melting is carried out to copper, nickel and silicon, mixed molten liquid is obtained, when mixed molten liquid is increased to
1200 ~ 1300 degrees Celsius are, strontium lanthanum manganese oxide are added, stirring, slow cooling is cast into 1100 ~ 1200 degrees Celsius in 30min
Ball milling after type obtains the powder of modified copper alloy.
Modified copper alloy can be further improved the toughness and tensile strength that clock and watch hang down again.
Compared with prior art, the device have the advantages that are as follows: hung down again using clock and watch annular made of tungsten alloy
The toughness that clock and watch hang down again can be significantly improved, postorder machining is made to be guaranteed that stable product quality, qualification rate is high, outside
It is good to see consistency.It further reduced production cost.
Specific embodiment
It the following examples are further illustrations of the invention, is not limitation of the present invention.
Embodiment 1
A kind of clock and watch are again vertical and preparation method thereof, including 97 mass parts of tungsten, 2.1 mass parts of nickel, 0.9 mass parts of copper.The clock
Table drawing close to successful conclusion circular ring shape again.
Hyperbaric alloy can effectively reduce design space, improve energy storage, prevent from stopping for making clock and watch component
Pendulum.
Toughness of material again vertical, densification are higher in the present embodiment, and machining property is more preferable.The clock and watch of circular ring shape hang down again can
It applies on most clock and watch.
A kind of preparation method that clock and watch hang down again, comprising:
The powder of tungsten, nickel and copper is sufficiently mixed, mixed-powder is obtained；
Organic binder is added, is sufficiently mixed with mixed-powder, obtains mixture；
Mixture is injected into the mold that hangs down again with injector, obtains raw embryo；
Raw embryo is heated in the mixed atmosphere of nitrogen and hydrogen, idiosome is obtained after degreasing；
Idiosome is heated in the mixed atmosphere of nitrogen and hydrogen, sintering obtains clock and watch and hangs down again.It include 8 mold that hangs down again on
A feed inlet, the thick embryo is at circular ring shape.The mixed atmosphere of the nitrogen and hydrogen provides for constituents, the note
It penetrates to be molded under 150 degrees Celsius and carry out, the degreasing carries out under 350 degrees Celsius, and the degreasing time is 150min；Institute
The sintering stated carries out under 1510 degrees Celsius, and the sintering time is 30min.
Organic binder mixed liquor can be made to heat after at flow regime, load mixed-powder and flowed in injection device
It is dynamic.Injection moulding needs to carry out at a certain temperature, and 150 ~ 180 degrees Celsius can effectively guarantee that mixed liquor is in flowing shape
State, but mobility still has certain limitation, and annular one-time formed difficulty angle of hanging down again is larger, needs multiple feed inlets common
Charging guarantees the uniform complete of idiosome.Degreasing carries out effectively organic binder volatilizing away under reducing atmosphere.It burns
Knot is so that idiosome final molding.With this condition, the interior tissue hung down again is uniform, and zero defect, the strength of materials and toughness obtain
It is effective to improve.
Embodiment 2
Embodiment 2 with embodiment 1 the difference is that, including 95 mass parts of tungsten, 3.5 mass parts of nickel, 1.5 mass parts of copper.
Embodiment 3
Embodiment 3 with embodiment 1 the difference is that, the clock and watch again drawing close to successful conclusion annular, comprising: 92 mass parts of tungsten, 6 mass of nickel
Part, 3 mass parts of copper.
Embodiment 4
Embodiment 4 with embodiment 1 the difference is that, the clock and watch again drawing close to successful conclusion annular, comprising: 98 mass parts of tungsten, 2 mass of nickel
Part, 0.5 mass parts of copper.
Embodiment 5
Embodiment 5 with embodiment 1 the difference is that, the clock and watch hang down again in further include modified copper alloy, the copper closes
Gold includes 1 ~ 5 mass parts of nickel, and 0.1 ~ 2.1 mass parts of silicon, 0.01 ~ 1 mass parts of rare earth oxide, 70 ~ 80 mass parts of copper are described
Rare earth oxide is strontium lanthanum manganese oxide；
The modification copper alloy is made by the following method:
Under protection of argon gas, hollow induction melting is carried out to copper, nickel and silicon, mixed molten liquid is obtained, when mixed molten liquid is increased to
1200 ~ 1300 degrees Celsius are, strontium lanthanum manganese oxide are added, stirring, slow cooling is cast into 1100 ~ 1200 degrees Celsius in 30min
Ball milling after type obtains the powder of modified copper alloy.
Modified copper alloy can be further improved the toughness and tensile strength that clock and watch hang down again.
Comparative example 1
Comparative example 1 with embodiment 1 the difference is that, the clock and watch again drawing close to successful conclusion annular, comprising: 90 mass parts of tungsten, 8 mass of nickel
Part, 1 mass parts of copper.
Comparative example 2
Comparative example 2 with embodiment 1 the difference is that, the clock and watch again drawing close to successful conclusion annular, comprising: 98 mass parts of tungsten, 1.8 matter of nickel
Measure part, 0.2 mass parts of copper.
Comparative example 3
Comparative example 3 with embodiment 1 the difference is that, clock and watch drawing close to successful conclusion annular again, including 97 mass parts of tungsten, 3 mass parts of nickel.
A kind of preparation method that clock and watch hang down again, comprising:
The powder of tungsten, nickel is sufficiently mixed, mixed-powder is obtained；
Organic binder is added, is sufficiently mixed with mixed-powder, obtains mixture；
Mixture is injected into the mold that hangs down again with injector, obtains raw embryo；
Raw embryo is heated in the mixed atmosphere of nitrogen and hydrogen, idiosome is obtained after degreasing；
Idiosome is heated in the mixed atmosphere of nitrogen and hydrogen, sintering obtains clock and watch and hangs down again.It include 8 the mold that hangs down again on
A feed inlet, the thick embryo is at circular ring shape.The mixed atmosphere of the nitrogen and hydrogen provides for constituents, the note
It penetrates to be molded under 150 degrees Celsius and carry out, the degreasing carries out under 350 degrees Celsius, and the degreasing time is 150min；Institute
The sintering stated carries out under 1510 degrees Celsius, and the sintering time is 30min
Comparative example 4
Comparative example 4 with embodiment 1 the difference is that, clock and watch drawing close to successful conclusion annular again, including 97 mass parts of tungsten, 3 mass parts of copper.
A kind of preparation method that clock and watch hang down again, comprising:
The powder of tungsten, copper is sufficiently mixed, mixed-powder is obtained；
Organic binder is added, is sufficiently mixed with mixed-powder, obtains mixture；
Mixture is injected into the mold that hangs down again with injector, obtains raw embryo；
Raw embryo is heated in the mixed atmosphere of nitrogen and hydrogen, idiosome is obtained after degreasing；
Idiosome is heated in the mixed atmosphere of nitrogen and hydrogen, sintering obtains clock and watch and hangs down again.It include 8 the mold that hangs down again on
A feed inlet, the thick embryo is at circular ring shape.The mixed atmosphere of the nitrogen and hydrogen provides for constituents, the note
It penetrates to be molded under 150 degrees Celsius and carry out, the degreasing carries out under 350 degrees Celsius, and the degreasing time is 150min；Institute
The sintering stated carries out under 1510 degrees Celsius, and the sintering time is 30min
Comparative example 5
Comparative example 5 with embodiment 1 the difference is that, the clock and watch again drawing close to successful conclusion annular, comprising: 98.8 mass parts of nickel, 0.2 matter of copper
Measure part.
A kind of preparation method that clock and watch hang down again, comprising:
The powder of nickel and copper is sufficiently mixed, mixed-powder is obtained；
Organic binder is added, is sufficiently mixed with mixed-powder, obtains mixture；
Mixture is injected into the mold that hangs down again with injector, obtains raw embryo；
Raw embryo is heated in the mixed atmosphere of nitrogen and hydrogen, idiosome is obtained after degreasing；
Idiosome is heated in the mixed atmosphere of nitrogen and hydrogen, sintering obtains clock and watch and hangs down again.It include 8 the mold that hangs down again on
A feed inlet, the thick embryo is at circular ring shape.The mixed atmosphere of the nitrogen and hydrogen provides for constituents, the note
It penetrates to be molded under 150 degrees Celsius and carry out, the degreasing carries out under 350 degrees Celsius, and the degreasing time is 150min；Institute
The sintering stated carries out under 1510 degrees Celsius, and the sintering time is 30min
Comparative example 6
Comparative example 6 with embodiment 1 the difference is that, the clock and watch again drawing close to successful conclusion annular, comprising: 1.8 mass parts of nickel, 98.2 matter of copper
Measure part.
A kind of preparation method that clock and watch hang down again, comprising:
The powder of nickel and copper is sufficiently mixed, mixed-powder is obtained；
Organic binder is added, is sufficiently mixed with mixed-powder, obtains mixture；
Mixture is injected into the mold that hangs down again with injector, obtains raw embryo；
Raw embryo is heated in the mixed atmosphere of nitrogen and hydrogen, idiosome is obtained after degreasing；
Idiosome is heated in the mixed atmosphere of nitrogen and hydrogen, sintering obtains clock and watch and hangs down again.It include 8 the mold that hangs down again on
A feed inlet, the thick embryo is at circular ring shape.The mixed atmosphere of the nitrogen and hydrogen provides for constituents, the note
It penetrates to be molded under 150 degrees Celsius and carry out, the degreasing carries out under 350 degrees Celsius, and the degreasing time is 150min；Institute
The sintering stated carries out under 1510 degrees Celsius, and the sintering time is 30min
Experimental example 1
The tensile strength and hardness of the alloy material of comprehensive analysis embodiment 1 ~ 6, while being reference with commercially available W93NiFe, it uses
Hanging down in isometric embodiment 1 ~ 4 and comparative example 1 ~ 6 again, measure the runing time of clock and watch after an energy storage such as following table institute
Show, optimization formula and preparation method.
1 embodiment of table, 1 ~ 6 performance
As it can be seen from table 1 the tensile strength and hardness of embodiment 1 ~ 4 show the formula of the application due to commercially available W93NiFe
The mechanical property of alloy can be effectively improved with preparation method.
From comparative example 3 and 4 it is found that only by tungsten and nickel, copper carries out compounding according to certain dosage could improve clock and watch
Vertical mechanical property again；It is the key substance for improving the specific gravity that hangs down again with tungsten known to comparative example 5 and 6, can not be produced only with copper and mickel
It is raw to improve clock and watch energy storage and mechanical property of hanging down again.
The mechanical property of Examples 1 and 2 is better than embodiment 3 and 4, shows that the content of various metals is the mechanical property to alloy
More important influence factor can be promoted, for the dosage of tungsten under conditions of 95 or 97 mass parts, mechanical property is more excellent
's；The mechanical property of embodiment 1 ~ 4 is better than comparative example 1 and 2, shows within the scope of dosage described herein, again vertical power
Learning performance has more significant raising and energy storage efficiency that can also obtain effective raising.
Experimental example 2
The mechanical property of comprehensive analysis experimental example 1,2 and 5, specific data see the table below, further preferably formula and preparation method.
The mechanical property of 2 embodiment 1,2 and 5 of table
As known from Table 2, the mechanical property of embodiment 5, further increases, and especially further increases on the basis of hardness is higher
Its tensile property improves certain toughness, therefore modified copper alloy can effectively improve again vertical mechanical property.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and above embodiments are not to limit this
The scope of the patents of invention, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the patents of this case.
Claims (10)
1. a kind of clock and watch hang down again, which is characterized in that drawing close to successful conclusion is annular again for the clock and watch, comprising: 92 ~ 98 mass parts of tungsten, 2 ~ 6 matter of nickel
Measure part, 0.5 ~ 3 mass parts of copper.
2. a kind of clock and watch according to claim 1 hang down again, which is characterized in that including 95 ~ 97 mass parts of tungsten, nickel 2.1 ~ 3.5
Mass parts, 0.9 ~ 1.5 mass parts of copper.
3. a kind of clock and watch according to claim 2 hang down and preparation method thereof again, which is characterized in that including 95 mass parts of tungsten,
3.5 mass parts of nickel, 1.5 mass parts of copper.
4. a kind of clock and watch according to claim 2 hang down and preparation method thereof again, which is characterized in that including 97 mass parts of tungsten,
2.1 mass parts of nickel, 0.9 mass parts of copper.
5. a kind of clock and watch according to claim 1 are again vertical and preparation method thereof, which is characterized in that clock and watch drawing close to successful conclusion again
Circular ring shape.
6. a kind of clock and watch are again vertical and preparation method thereof characterized by comprising
The powder of tungsten, nickel and copper is sufficiently mixed, mixed-powder is obtained；
Organic binder is added, is sufficiently mixed with mixed-powder, obtains mixture；
Mixture is injected into the mold that hangs down again with injector, obtains raw embryo；
Raw embryo is heated to degreasing in the mixed atmosphere of nitrogen and hydrogen and obtains idiosome；
Idiosome is heated in the mixed atmosphere of nitrogen and hydrogen, sintering obtains clock and watch vertical blank again.
7. a kind of clock and watch according to claim 1 are again vertical and preparation method thereof, which is characterized in that the injection moulding exists
It is carried out under 120 ~ 180 degrees Celsius, includes 4 ~ 12 feed inlets the mold that hangs down again on, the thick embryo is at circular ring shape.
8. a kind of clock and watch according to claim 1 are again vertical and preparation method thereof, which is characterized in that the nitrogen and hydrogen
Mixed atmosphere provided for constituents, the degreasing is carried out in 80 ~ 850 degrees Celsius of lower zonal coolings, when the described degreasing
Between no less than 300min.
9. a kind of clock and watch according to claim 1 are again vertical and preparation method thereof, which is characterized in that the sintering is 1450
It is carried out under ~ 1550 degrees Celsius, the sintering time is not less than 15min.
10. a kind of clock and watch according to claim 1 are again vertical and preparation method thereof, which is characterized in that the injection moulding
It is carried out under 150 degrees Celsius, the degreasing is carried out in 80-850 degrees Celsius of lower zonal cooling, and the degreasing time is
360min；The sintering carries out under 1510 degrees Celsius, and the sintering time is 45min.
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| CN201910820908.XA CN110527886A (en) | 2019-09-02 | 2019-09-02 | A kind of clock and watch are again vertical and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910820908.XA CN110527886A (en) | 2019-09-02 | 2019-09-02 | A kind of clock and watch are again vertical and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996430A (en) * | 2020-07-28 | 2020-11-27 | 深圳市飞亚达精密科技有限公司 | Tungsten-copper alloy free from influence of magnetic field and manufacturing method and application thereof |
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