CN108273990A - A kind of titanium alloy cerul feeding and preparation method thereof - Google Patents
A kind of titanium alloy cerul feeding and preparation method thereof Download PDFInfo
- Publication number
- CN108273990A CN108273990A CN201810104979.5A CN201810104979A CN108273990A CN 108273990 A CN108273990 A CN 108273990A CN 201810104979 A CN201810104979 A CN 201810104979A CN 108273990 A CN108273990 A CN 108273990A
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- titanium alloy
- powder
- feeding
- forming agent
- cerul
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title description 4
- 239000000843 powder Substances 0.000 claims abstract description 46
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 238000005245 sintering Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 210000001161 mammalian embryo Anatomy 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 10
- 238000004898 kneading Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 235000013871 bee wax Nutrition 0.000 claims description 5
- 239000012166 beeswax Substances 0.000 claims description 5
- 239000012459 cleaning agent Substances 0.000 claims description 5
- 238000005238 degreasing Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000012188 paraffin wax Substances 0.000 claims description 5
- 229920006324 polyoxymethylene Polymers 0.000 claims description 5
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 5
- 239000011118 polyvinyl acetate Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000001993 wax Substances 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 235000010215 titanium dioxide Nutrition 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000035611 feeding Effects 0.000 description 22
- 239000004698 Polyethylene Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- -1 Polyethylene Polymers 0.000 description 1
- 229910000883 Ti6Al4V Inorganic materials 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/102—Metallic powder coated with organic material
-
- 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
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- 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
-
- 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
- C22C1/0458—Alloys based on titanium, zirconium or hafnium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to titanium alloy cerul feeding, including titanium alloy powder and forming agent, the mass ratio of the titanium alloy powder and forming agent is 20 25:80 75, the titanium alloy powder is TC4 powder, 500 mesh of granularity of the TC4 powder, tap density 2.4g/cm3.It is an advantage of the invention that：1, by the selection of material, the forming of regular injection forming technology, degreasing-, sintering processes：1) melt index：400 1200g/cm3,2) density after sintering：4.45 ± 0.05g/cm3,3）Titanium alloy hardness：>HRC30.2, it improves and prepares product with powder-pressing process and shrink unstable, deformation, the problems such as complex precise structural member formability.3, product consistency is promoted, consistency：>96%.
Description
Technical field
The present invention relates to a kind of titanium alloy cerul feedings and preparation method thereof.
Background technology
Titanium alloy TC 4（Chemical formula：Ti-6Al-4V）As a kind of high-quality light metal structural material and functional material, tool
Have that density is small, specific strength, higher than fracture toughness, fatigue strength and resistance to crack extension ability are good, and biocompatibility is good, antioxygen
Property, low-temperature good toughness, etch resistant properties are excellent, nonmagnetic, nontoxic, resistance damping properties are strong, and heat resistance is good, and pumping property is good
The advantages that, it has been obtained in terms of the fields such as aerospace, navigation, oil, chemical industry, metallurgy, automobile, power generation, biological medicine extensively
Using.But since its fusing point and hardness are high, melting is difficult, and machinability is poor so that its cost is always than other light gold
Belong to high.
There are production cost height, product size and accuracy, the problems such as consistency is poor for traditional titanium alloy component.
Invention content
To overcome the deficiencies of existing technologies, a kind of titanium alloy cerul feeding of present invention offer and preparation method thereof, the present invention
Technical solution be：
The mass ratio of a kind of titanium alloy cerul feeding, including titanium alloy powder and forming agent, the titanium alloy powder and forming agent is
20-25:80-75。
The titanium alloy powder is TC4 powder, 500 mesh of granularity of the TC4 powder, tap density 2.4g/cm3。
The forming agent includes each component of following weight percent：Optothermal stabilizer 5 ~ 8%, PE waxes 5 ~ 10%, chlorination
Polyethylene 10 ~ 15%, polyvinylacetate 10 ~ 15%, polyformaldehyde 10 ~ 12%, paraffin 30 ~ 35%, beeswax 20 ~ 25%.
The optothermal stabilizer is any one or more than one mixing in titanium dioxide, ultra-violet absorber, antioxidant
Object.
A method of titanium alloy cerul feeding is prepared, is included the following steps：
S1, it weighs：Each component is weighed according to proportioning；
S2, it is kneaded preheating：TC4 powder is preheated under vacuum, is heated to 120 ± 10 DEG C, vacuum degree 10-500Pa；
S3, batch mixing：Forming agent addition is had reached in the TC4 powder of predetermined temperature under vacuum, vacuum degree 10-
500Pa；Then it is mixed in kneading machine, setting kneading machine rotating speed 15-35r/min, mixing time 40-70min make TC4 powder
Form walk shape in advance with forming agent in end；
S4, extrusion granulator：It will be sent into extruder through step S3 treated materials, and be squeezed out after plasticizing, and be granulated, be made and wait for
Injection molding feeding；
S5, feeding is injection moulded at a temperature of 120-150 DEG C to obtain green compact；
S6, molding raw embryo is put into hydrocarbon environment-friendly cleaning agent degreasant solution, skimming temp：50-60 DEG C, degreasing time：
8-24h, raw embryo are completely immersed in degreasant solution；
S7, sintering：Sintering uses pressure sintering technique, 1230-1250 DEG C of temperature, soaking time 90-120min to keep pressure
0.5-4Mpa。
It is an advantage of the invention that：
1, by the selection of material, the forming of regular injection forming technology, degreasing-, sintering processes：1) melt index：400-
1200g/cm3,2) density after sintering：4.45 ± 0.05g/cm3,3）Titanium alloy hardness：>HRC30.
2, improve with powder-pressing process prepare product shrink it is unstable, deformation, complex precise structural member formability
The problems such as.
3, product consistency is promoted, consistency：>96%.
Specific implementation mode
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent.But examples are merely exemplary for these, and it is not intended to limit the scope of the present invention in any way.People in the art
Member it should be understood that without departing from the spirit and scope of the invention can to the details of technical solution of the present invention and form into
Row modifications or substitutions, but these modifications and replacement are each fallen in protection scope of the present invention.
Embodiment 1：The present invention relates to a kind of titanium alloy cerul feeding, including titanium alloy powder and forming agent, the titanium alloys
The mass ratio of powder and forming agent is 1:4；The titanium alloy powder is TC4 powder, 500 mesh of granularity of the TC4 powder, jolt ramming
Density 2.4g/cm3。
The forming agent includes following weight each component：Optothermal stabilizer 5kg, PE wax 5kg, haloflex 10kg,
Polyvinylacetate 10kg, polyformaldehyde 10kg, paraffin 30kg, beeswax 20kg.
The optothermal stabilizer is titanium dioxide.
A method of titanium alloy cerul feeding is prepared, is included the following steps：
S1, it weighs：Each component is weighed according to proportioning；
S2, it is kneaded preheating：TC4 powder is preheated under vacuum, is heated to 110 DEG C, vacuum degree 10Pa；
S3, batch mixing：In forming agent addition is had reached the TC4 powder of predetermined temperature by vacuum condition, vacuum degree 10Pa, mixed
It is mixed in mill, sets kneading machine rotating speed 15r/min, mixing time 40min, TC4 powder is made to form walk in advance with forming agent
Shape；
S4, extrusion granulator：It will be sent into extruder through step S3 treated materials, and be squeezed out after plasticizing, and be granulated, be made and wait for
Injection molding feeding；
S5, feeding is injection moulded to obtain green compact at a temperature of 120 DEG C；
S6, molding raw embryo is put into hydrocarbon environment-friendly cleaning agent degreasant solution, skimming temp：50 DEG C, degreasing time：8h,
Raw embryo is completely immersed in degreasant solution；
S7, sintering：Sintering uses pressure sintering technique, 1230 DEG C, soaking time 90min of temperature to keep pressure 0.5Mpa.
Index is as follows after feeding detection in the embodiment：
Melt index：800 g/cm, density after sintering：4.45 ± 0.05g/cm3, titanium alloy hardness：HRC31, consistency：97%.
Embodiment 2：The present invention relates to a kind of titanium alloy cerul feeding, including titanium alloy powder and forming agent, the titanium alloys
The mass ratio of powder and forming agent is 1:3；The titanium alloy powder is TC4 powder, 500 mesh of granularity of the TC4 powder, jolt ramming
Density 2.4g/cm3。
The forming agent includes following weight each component：Optothermal stabilizer 7kg, PE wax 8kg, haloflex 12kg,
Polyvinylacetate 13kg, polyformaldehyde 11kg, paraffin 32kg, beeswax 22kg.
The optothermal stabilizer is ultra-violet absorber.
A method of titanium alloy cerul feeding is prepared, is included the following steps：
S1, it weighs：Each component is weighed according to proportioning；
S2, it is kneaded preheating：TC4 powder is preheated under vacuum, is heated to 120 DEG C, vacuum degree 300Pa；
S3, batch mixing：In forming agent addition is had reached the TC4 powder of predetermined temperature by vacuum condition, vacuum degree 300Pa, then
It is mixed in kneading machine, setting kneading machine rotating speed 25r/min, mixing time 60min make TC4 powder form in advance with forming agent
Walk shape；
S4, extrusion granulator：It will be sent into extruder through step S3 treated materials, and be squeezed out after plasticizing, and be granulated, be made and wait for
Injection molding feeding；
S5, feeding is injection moulded to obtain green compact at a temperature of 130 DEG C；
S6, molding raw embryo is put into hydrocarbon environment-friendly cleaning agent degreasant solution, skimming temp：55 DEG C, degreasing time：20h,
Raw embryo is completely immersed in degreasant solution；
S7, sintering：Sintering uses pressure sintering technique：1240 DEG C, soaking time 100min of temperature keeps pressure 2Mpa.
Index is as follows after feeding detection in the embodiment：
Melt index：1100 g/cm, density after sintering：4.45 ± 0.05g/cm3, titanium alloy hardness：HRC34, consistency：
98%。
Embodiment 3：The present invention relates to a kind of titanium alloy cerul feeding, including titanium alloy powder and forming agent, the titanium alloys
The mass ratio of powder and forming agent is 2:7；The titanium alloy powder is TC4 powder, 500 mesh of granularity of the TC4 powder, jolt ramming
Density 2.4g/cm3。
The forming agent includes each component of following weight：Optothermal stabilizer 8kg, PE wax 10kg, haloflex
15kg, polyvinylacetate 15kg, polyformaldehyde 12kg, paraffin 35kg, beeswax 25kg.
The optothermal stabilizer is antioxidant.
A method of titanium alloy cerul feeding is prepared, is included the following steps：
S1, it weighs：Each component is weighed according to proportioning；
S2, it is kneaded preheating：TC4 powder is preheated under vacuum, is heated to 130 DEG C, vacuum degree 500Pa；
S3, batch mixing：In forming agent addition is had reached the TC4 powder of predetermined temperature by vacuum condition, vacuum degree 500Pa, then
It is mixed in kneading machine, setting kneading machine rotating speed 35r/min, mixing time 70min make TC4 powder form in advance with forming agent
Walk shape；
S4, extrusion granulator：It will be sent into extruder through step S3 treated materials, and be squeezed out after plasticizing, and be granulated, be made and wait for
Injection molding feeding；
S5, feeding is injection moulded to obtain green compact at a temperature of 150 DEG C；
S6, molding raw embryo is put into hydrocarbon environment-friendly cleaning agent degreasant solution, skimming temp：60 DEG C, degreasing time：For 24 hours,
Raw embryo is completely immersed in degreasant solution；
S7, sintering：Sintering uses pressure sintering technique, 1250 DEG C, soaking time 120min of temperature to keep pressure 4Mpa.
Index is as follows after feeding detection in the embodiment：
Melt index：1100 g/cm, density after sintering：4.45 ± 0.05g/cm3, titanium alloy hardness：HRC34, consistency：
98%。
Claims (5)
1. a kind of titanium alloy cerul feeding, which is characterized in that including titanium alloy powder and forming agent, the titanium alloy powder and molding
The mass ratio of agent is 20-25:80-75.
2. a kind of titanium alloy cerul feeding according to claim 1, which is characterized in that the titanium alloy powder is TC4
Powder, 500 mesh of granularity of the TC4 powder, tap density 2.4g/cm3。
3. a kind of titanium alloy cerul feeding according to claim 1, which is characterized in that the forming agent includes following heavy
Measure each component of percentage：Optothermal stabilizer 5 ~ 8%, PE waxes 5 ~ 10%, haloflex 10 ~ 15%, polyvinylacetate 10 ~
15%, polyformaldehyde 10 ~ 12%, paraffin 30 ~ 35%, beeswax 20 ~ 25%.
4. a kind of titanium alloy cerul feeding according to claim 3, which is characterized in that the optothermal stabilizer is titanium white
Any one in powder, ultra-violet absorber, antioxidant or more than one mixture.
5. a kind of preparing a kind of method of titanium alloy cerul feeding of Claims 1-4 any one, which is characterized in that including with
Lower step：
S1, it weighs：Each component is weighed according to proportioning；
S2, it is kneaded preheating：TC4 powder is preheated under vacuum, is heated to 120 ± 10 DEG C, vacuum degree 10-500Pa；
S3, batch mixing：Forming agent addition is had reached in the TC4 powder of predetermined temperature under vacuum, vacuum degree 10-
500Pa；Then it is mixed in kneading machine, setting kneading machine rotating speed 15-35r/min, mixing time 40-70min make TC4 powder
Form walk shape in advance with forming agent in end；
S4, extrusion granulator：It will be sent into extruder through step S3 treated materials, and be squeezed out after plasticizing, and be granulated, be made and wait for
Injection molding feeding；
S5, feeding is injection moulded at a temperature of 120-150 DEG C to obtain green compact；
S6, molding raw embryo is put into hydrocarbon environment-friendly cleaning agent degreasant solution, skimming temp：50-60 DEG C, degreasing time：
8-24h, raw embryo are completely immersed in degreasant solution；
S7, sintering：Sintering uses pressure sintering technique, 1230-1250 DEG C of temperature, soaking time 90-120min to keep pressure
0.5-4Mpa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810104979.5A CN108273990A (en) | 2018-02-02 | 2018-02-02 | A kind of titanium alloy cerul feeding and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810104979.5A CN108273990A (en) | 2018-02-02 | 2018-02-02 | A kind of titanium alloy cerul feeding and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108273990A true CN108273990A (en) | 2018-07-13 |
Family
ID=62807351
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|---|---|---|---|
| CN201810104979.5A Pending CN108273990A (en) | 2018-02-02 | 2018-02-02 | A kind of titanium alloy cerul feeding and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454226A (en) * | 2018-11-08 | 2019-03-12 | 江苏精研科技股份有限公司 | A kind of preparation method of TC11 alloy components |
| CN110947971A (en) * | 2020-01-02 | 2020-04-03 | 沈阳中钛装备制造有限公司 | Method for preparing TC4 titanium alloy part by adopting powder injection molding |
| CN111283184A (en) * | 2020-03-17 | 2020-06-16 | 丽水学院 | Titanium alloy extrusion type indirect 3D printing method |
| CN113293339A (en) * | 2021-05-27 | 2021-08-24 | 海安县鹰球粉末冶金有限公司 | Preparation method of titanium alloy composite material by metal injection molding |
| CN114769591A (en) * | 2022-04-15 | 2022-07-22 | 北京科技大学 | Sintering method of high-strength high-plasticity powder titanium alloy |
| CN114888290A (en) * | 2022-04-25 | 2022-08-12 | 中国电子科技集团公司第十四研究所 | Metal powder injection molding method for titanium alloy antenna unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114769591A (en) * | 2022-04-15 | 2022-07-22 | 北京科技大学 | Sintering method of high-strength high-plasticity powder titanium alloy |
| CN114888290A (en) * | 2022-04-25 | 2022-08-12 | 中国电子科技集团公司第十四研究所 | Metal powder injection molding method for titanium alloy antenna unit |
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