CN108977717A - A kind of durable filament of incandescent lamp and its manufacturing process - Google Patents
A kind of durable filament of incandescent lamp and its manufacturing process Download PDFInfo
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- CN108977717A CN108977717A CN201810717005.4A CN201810717005A CN108977717A CN 108977717 A CN108977717 A CN 108977717A CN 201810717005 A CN201810717005 A CN 201810717005A CN 108977717 A CN108977717 A CN 108977717A
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- powder
- parts
- incandescent lamp
- tungsten
- filament
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/60—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/04—Incandescent bodies characterised by the material thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/04—Incandescent bodies characterised by the material thereof
- H01K1/08—Metallic bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Abstract
The invention discloses a kind of durable filament of incandescent lamp and its manufacturing process, it is characterised in that it includes following parts by weight raw material: 10-20 parts of tungsten powder, 5-10 parts of nickel powder, 5-10 parts of molybdenum powder, 3-7 parts of copper powder, cobalt powder 2-6 powder, 2-6 parts of potassium oxide powder, 2-6 parts of silica powder, 2-6 parts of alumina powder, oxidation sodium powder 2-6 parts, 1-4 parts of silicon dioxide powder, 1-4 parts of thorium anhydride powder, 1-4 parts of silica flour, 1-3 parts of hardening agent, 1-3 parts of stabilizer, 1-2 parts of antioxidant.A kind of durable filament of incandescent lamp of the present invention and its manufacturing process, raw material are made of various metals, and material evaporation rate is small, improves the service life of filament, enhances the conductivity of filament, there is certain intensity, toughness, and lighting hours is long.
Description
Technical field
The present invention relates to bulb technologies fields, and in particular to a kind of durable filament of incandescent lamp and its production technology.
Background technique
Traditional incandescent lamp filament is that single tungsten metal passes through forging, powder metallurgy, the manufacturing process such as wire drawing, use mostly
Service life is short, and conductivity is not high, and light radiation range is small, and intensity is low, does not have toughness, blacks using over time, tungsten wire is easy, is sagging
Fracture.The high-end tungsten wire material having, price is relatively high, is not suitable for being used in incandescent lamp field on a large scale, is unfavorable for being widely applied
It uses.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems, a kind of durable filament of incandescent lamp is provided, in traditional tungsten wire
Nickel, molybdenum, cobalt etc. is added, tungsten wire alloy is made, in electroplating surface oxidation resistant alloy layer, then plating heat-resistant stable layer, improves tungsten
Intensity, toughness, the conductivity, radiation scope of silk, are allowed to use for a long time in the high temperature environment, and manufacturing process is simple,
Be conducive to produce on a large scale and promote.
To achieve the goals above, the present invention is achieved by the following technical solutions: a kind of durable filament of incandescent lamp is pressed
According to following parts by weight raw material composition: 10-20 parts of tungsten powder, 5-10 parts of nickel powder, 5-10 parts of molybdenum powder, 3-7 parts of copper powder, cobalt powder 2-6 powder,
2-6 parts of potassium oxide powder, 2-6 parts of silica powder, 2-6 parts of alumina powder, oxidation sodium powder 2-6 parts, 1-4 parts of silicon dioxide powder, dioxy
Change 1-4 parts of thorium powder, 1-4 parts of silica flour, 1-3 parts of hardening agent, 1-3 parts of stabilizer, 1-2 parts of antioxidant.
Further, the durable filament of a kind of incandescent lamp forms: 13-17 parts of tungsten powder, nickel powder according to the raw material of following parts by weight
6-8 parts, 6-8 parts of molybdenum powder, 4-6 parts of copper powder, cobalt powder 3-5 powder, 3-5 parts of potassium oxide powder, 3-5 parts of silica powder, alumina powder 3-5
Part, oxidation sodium powder 3-5 parts, 2-3 parts of silicon dioxide powder, 2-3 parts of thorium anhydride powder, 2-3 parts of silica flour, 1.5-2.5 parts of hardening agent,
1.5-2.5 parts of stabilizer, 1.2-1.8 parts of antioxidant.
Further, the durable filament of a kind of incandescent lamp forms: 15 parts of tungsten powder, nickel powder 7 according to the raw material of following parts by weight
Part, 7 parts of molybdenum powder, 5 parts of copper powder, 4 powder of cobalt powder, 4 parts of potassium oxide powder, 4 parts of silica powder, 4 parts of alumina powder, oxidation 4 parts of sodium powder, two
2.5 parts of silica powder, 2.5 parts of thorium anhydride powder, 2.5 parts of silica flour, 2 parts of hardening agent, 2 parts of stabilizer, 1.5 parts of antioxidant.
A kind of its manufacturing process of durable filament of incandescent lamp, includes the following steps:
S1, powder metallurgy: by tungsten powder, nickel powder, molybdenum powder, copper powder, cobalt powder, in the ratio mix, be put into hydrogen furnace be powered burn
Knot, is made alloyed tungsten metal bar；
S2, it pulls out and draws wire: metal bar rotation hammer machine forging will be obtained in S1, by diamond pore, silk is repeatedly drawn into, crimps
Spiral alloy tungsten wire；
S3, electrostatic spraying: by the ratio potassium oxide powder, silica powder, alumina powder, oxidation sodium powder, silicon dioxide powder, dioxy
Change thorium powder to be sufficiently mixed, by electrostatic spraying, on the alloy tungsten wire that even application to S1 obtains, obtains spraying alloy tungsten wire；
S4, plating: the ratio silica flour, hardening agent, stabilizer, antioxidant are sufficiently mixed, the spray that plating to S3 obtains
It applies on alloy tungsten wire, obtains the durable filament of incandescent lamp.
In summary the invention has the following advantages: the produced filament of the present invention, with certain intensity, tough
Property, conductivity is high, radiation scope is big, is not easy to black, long service life, can be for a long time using in the high temperature environment, manufacture
Simple process, being capable of large-scale promotion use.
Specific embodiment
Specific embodiment 1: a kind of durable filament of incandescent lamp forms: 10 parts of tungsten powder, nickel powder according to the raw material of following parts by weight
5 parts, 5 parts of molybdenum powder, 3 parts of copper powder, 2 powder of cobalt powder, 2 parts of potassium oxide powder, 2 parts of silica powder, 2 parts of alumina powder, oxidation 2 parts of sodium powder,
1 part of silicon dioxide powder, 1 part of thorium anhydride powder, 1 part of silica flour, 1 part of hardening agent, 1 part of stabilizer, 1 part of antioxidant.
A kind of manufacturing process of the durable filament of incandescent lamp are as follows:
S1, powder metallurgy: by tungsten powder, nickel powder, molybdenum powder, copper powder, cobalt powder, in the ratio mix, be put into hydrogen furnace be powered burn
Knot, is made alloyed tungsten metal bar；
S2, it pulls out and draws wire: metal bar rotation hammer machine forging will be obtained in S1, by diamond pore, silk is repeatedly drawn into, crimps
Spiral alloy tungsten wire；
S3, electrostatic spraying: by the ratio potassium oxide powder, silica powder, alumina powder, oxidation sodium powder, silicon dioxide powder, dioxy
Change thorium powder to be sufficiently mixed, by electrostatic spraying, on the alloy tungsten wire that even application to S1 obtains, obtains spraying alloy tungsten wire；
S4, plating: the ratio silica flour, hardening agent, stabilizer, antioxidant are sufficiently mixed, the spray that plating to S3 obtains
It applies on alloy tungsten wire, obtains the durable filament of incandescent lamp.
Specific embodiment 2: a kind of durable filament of incandescent lamp forms: 15 parts of tungsten powder, nickel powder 7 according to following raw material
Part, 7 parts of molybdenum powder, 5 parts of copper powder, 4 powder of cobalt powder, 4 parts of potassium oxide powder, 4 parts of silica powder, 4 parts of alumina powder, oxidation 4 parts of sodium powder, two
2.5 parts of silica powder, 2.5 parts of thorium anhydride powder, 2.5 parts of silica flour, 2 parts of hardening agent, 2 parts of stabilizer, 1.5 parts of antioxidant.
A kind of manufacturing process of the durable filament of incandescent lamp are as follows:
S1, powder metallurgy: by tungsten powder, nickel powder, molybdenum powder, copper powder, cobalt powder, in the ratio mix, be put into hydrogen furnace be powered burn
Knot, is made alloyed tungsten metal bar；
S2, it pulls out and draws wire: metal bar rotation hammer machine forging will be obtained in S1, by diamond pore, silk is repeatedly drawn into, crimps
Spiral alloy tungsten wire；
S3, electrostatic spraying: by the ratio potassium oxide powder, silica powder, alumina powder, oxidation sodium powder, silicon dioxide powder, dioxy
Change thorium powder to be sufficiently mixed, by electrostatic spraying, on the alloy tungsten wire that even application to S1 obtains, obtains spraying alloy tungsten wire；
S4, plating: the ratio silica flour, hardening agent, stabilizer, antioxidant are sufficiently mixed, the spray that plating to S3 obtains
It applies on alloy tungsten wire, obtains the durable filament of incandescent lamp.
Specific embodiment 3: a kind of durable filament of incandescent lamp forms: 20 parts of tungsten powder, nickel powder 10 according to following raw material
Part, 10 parts of molybdenum powder, 7 parts of copper powder, 6 powder of cobalt powder, 6 parts of potassium oxide powder, 6 parts of silica powder, 6 parts of alumina powder, oxidation 6 parts of sodium powder,
4 parts of silicon dioxide powder, 4 parts of thorium anhydride powder, 4 parts of silica flour, 3 parts of hardening agent, 3 parts of stabilizer, 2 parts of antioxidant.
A kind of manufacturing process of the durable filament of incandescent lamp are as follows:
S1, powder metallurgy: by tungsten powder, nickel powder, molybdenum powder, copper powder, cobalt powder, in the ratio mix, be put into hydrogen furnace be powered burn
Knot, is made alloyed tungsten metal bar；
S2, it pulls out and draws wire: metal bar rotation hammer machine forging will be obtained in S1, by diamond pore, silk is repeatedly drawn into, crimps
Spiral alloy tungsten wire；
S3, electrostatic spraying: by the ratio potassium oxide powder, silica powder, alumina powder, oxidation sodium powder, silicon dioxide powder, dioxy
Change thorium powder to be sufficiently mixed, by electrostatic spraying, on the alloy tungsten wire that even application to S1 obtains, obtains spraying alloy tungsten wire；
S4, plating: the ratio silica flour, hardening agent, stabilizer, antioxidant are sufficiently mixed, the spray that plating to S3 obtains
It applies on alloy tungsten wire, obtains the durable filament of incandescent lamp.
Embodiment provided above is better embodiment of the invention, only is used to facilitate to illustrate the present invention, not to this hair
It is bright to make any form of restriction, any those of ordinary skill in the art, if not departing from the proposed skill of the present invention
In the range of art feature, using the equivalent embodiment for locally changing or modifying made by disclosed technology contents, and
Without departing from technical feature content of the invention, in the range of still falling within the technology of the present invention feature.
Claims (4)
1. a kind of durable filament of incandescent lamp, which is characterized in that be made of raw material from the following weight: 10-20 parts of tungsten powder, nickel powder 5-
10 parts, 5-10 parts of molybdenum powder, 3-7 parts of copper powder, cobalt powder 2-6 powder, 2-6 parts of potassium oxide powder, 2-6 parts of silica powder, alumina powder 2-6
Part, 1-4 parts of silicon dioxide powder, 1-4 parts of thorium anhydride powder, 1-4 parts of silica flour, 1-3 parts of hardening agent, is stablized at sodium powder 2-6 parts of oxidation
1-3 parts of agent, 1-2 parts of antioxidant.
2. the durable filament of a kind of incandescent lamp according to claim 1, which is characterized in that by the raw material system of following parts by weight
At: 13-17 parts of tungsten powder, 6-8 parts of nickel powder, 6-8 parts of molybdenum powder, 4-6 parts of copper powder, cobalt powder 3-5 powder, 3-5 parts of potassium oxide powder, silica powder
3-5 parts, 3-5 parts of alumina powder, oxidation sodium powder 3-5 parts, 2-3 parts of silicon dioxide powder, 2-3 parts of thorium anhydride powder, silica flour 2-3
Part, 1.5-2.5 parts of hardening agent, 1.5-2.5 parts of stabilizer, 1.2-1.8 parts of antioxidant.
3. the durable filament of a kind of incandescent lamp according to claim 1, which is characterized in that by the raw material group of following parts by weight
At: 15 parts of tungsten powder, 7 parts of nickel powder, 7 parts of molybdenum powder, 5 parts of copper powder, 4 powder of cobalt powder, 4 parts of potassium oxide powder, 4 parts of silica powder, alumina powder 4
Part, oxidation 4 parts of sodium powder, 2.5 parts of silicon dioxide powder, 2.5 parts of thorium anhydride powder, 2.5 parts of silica flour, 2 parts of hardening agent, stabilizer 2
Part, 1.5 parts of antioxidant.
4. a kind of manufacturing process of the durable filament of incandescent lamp according to claim 1 to 3, which is characterized in that including such as
Lower step:
S1, powder metallurgy: by tungsten powder, nickel powder, molybdenum powder, copper powder, cobalt powder, in the ratio mix, be put into hydrogen furnace be powered burn
Knot, is made alloyed tungsten metal bar；
S2, it pulls out and draws wire: metal bar rotation hammer machine forging will be obtained in S1, by diamond pore, silk is repeatedly drawn into, crimps
Spiral alloy tungsten wire；
S3, electrostatic spraying: by the ratio potassium oxide powder, silica powder, alumina powder, oxidation sodium powder, silicon dioxide powder, dioxy
Change thorium powder to be sufficiently mixed, by electrostatic spraying, on the alloy tungsten wire that even application to S1 obtains, obtains spraying alloy tungsten wire；
S4, plating: the ratio silica flour, hardening agent, stabilizer, antioxidant are sufficiently mixed, the spray that plating to S3 obtains
It applies on alloy tungsten wire, obtains the durable filament of incandescent lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810717005.4A CN108977717A (en) | 2018-07-03 | 2018-07-03 | A kind of durable filament of incandescent lamp and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810717005.4A CN108977717A (en) | 2018-07-03 | 2018-07-03 | A kind of durable filament of incandescent lamp and its manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108977717A true CN108977717A (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810717005.4A Withdrawn CN108977717A (en) | 2018-07-03 | 2018-07-03 | A kind of durable filament of incandescent lamp and its manufacturing process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281330A (en) * | 2000-07-21 | 2001-01-24 | 陈刘旸 | Electrothermal tungsten powder and its preparing process and application |
| CN104008939A (en) * | 2014-06-19 | 2014-08-27 | 苏州普京真空技术有限公司 | Durable electronic gun lamp filament |
| CN105750342A (en) * | 2007-11-21 | 2016-07-13 | 株式会社东芝 | Process for producing tungsten wire |
-
2018
- 2018-07-03 CN CN201810717005.4A patent/CN108977717A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281330A (en) * | 2000-07-21 | 2001-01-24 | 陈刘旸 | Electrothermal tungsten powder and its preparing process and application |
| CN105750342A (en) * | 2007-11-21 | 2016-07-13 | 株式会社东芝 | Process for producing tungsten wire |
| CN104008939A (en) * | 2014-06-19 | 2014-08-27 | 苏州普京真空技术有限公司 | Durable electronic gun lamp filament |
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Application publication date: 20181211 |