CN104690271A - Powder injection molding process by utilizing low-cost hydrogenated-dehydrogenated titanium powder - Google Patents
Powder injection molding process by utilizing low-cost hydrogenated-dehydrogenated titanium powder Download PDFInfo
- Publication number
- CN104690271A CN104690271A CN201510074938.2A CN201510074938A CN104690271A CN 104690271 A CN104690271 A CN 104690271A CN 201510074938 A CN201510074938 A CN 201510074938A CN 104690271 A CN104690271 A CN 104690271A
- Authority
- CN
- China
- Prior art keywords
- powder
- injection molding
- titanium valve
- hydrogenation
- low cost
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention relates to titanium alloy molding process, and particularly discloses a powder injection molding process by utilizing low-cost hydrogenated-dehydrogenated titanium powder. The process comprises the following steps: mixing hydrogenated-dehydrogenated titanium powder with alloy element powder, additive powder and an adhesive, mixing and pelletizing to obtain feeds; manufacturing blanks by utilizing an ultrasonic-assisted injection molding method; removing the adhesive in the blanks by utilizing solvent debinding and thermal debinding; finally sintering at high temperature to manufacture finished products. According to the powder injection molding process by utilizing the low-cost hydrogenated-dehydrogenated titanium powder as a raw material, the preparation cost of titanium alloy products is low, and the process is suitable for large-scale industrial production.
Description
Technical field
The present invention relates to the forming technology of titanium alloy, be specifically related to a kind of power injection molding of low cost hydrogenation and dehydrogenization titanium valve.
Background technology
Titanium and titanium alloys has low-density, high specific strength, highly corrosion resistant, good bio-compatibility, has a wide range of applications in fields such as chemical industry, biologic medical, aviation, navigation, automobiles.But because titanium and titanium alloys fusing point is high, under high temperature, chemical property is active, hardness comparatively high, is industrially considered to difficult to machine material always.The powder injection-molded powder metallurgical technique as a kind of advanced person of titanium alloy, can directly produce the titanium alloy product with complicated shape, does not need a large amount of aft-loaded airfoil processing procedures, thus obtains in industrial quarters and payes attention to widely.
In the powder injection forming of titanium alloy, the sized spherical titanium powder manufactured by atomization is widely used.The impurity content of this titanium valve is low, good fluidity, easily produces qualified titanium alloy product.But sized spherical titanium powder is expensive, causes the powder injection forming goods of titanium alloy to hold at high price, hinder titanium alloy product promoting the use of in industrial quarters.
Except sized spherical titanium powder, industrial quarters has a kind of hydrogenation and dehydrogenization titanium valve of low cost, and its price is about 1/10th of sized spherical titanium powder.But the poor fluidity of hydrogenation and dehydrogenization titanium valve, be not easy to be shaped, and the impurity content such as oxygen, nitrogen, carbon is high, is difficult to produce qualified product.
Summary of the invention
Technical problem to be solved by this invention is, in order to overcome above-mentioned deficiency of the prior art, provides a kind of power injection molding of low cost hydrogenation and dehydrogenization titanium valve.
Above-mentioned technical problem to be solved by this invention is solved by the following technical programs:
A power injection molding for low cost hydrogenation and dehydrogenization titanium valve, comprises following steps:
S1. premix: hydrogenation and dehydrogenization titanium valve, additive powder are carried out premixed and obtain mixed-powder; Described additive powder is that rare-earth boride is or/and rare earth hydride powder;
S2. mixing, granulation: first mixed-powder is heated, then add binding agent, mixing evenly after, then manufacture granular feeding by comminutor;
S3. injection moulding: feeding is heated, then uses injection machine to be expelled in mould and is shaped; Take out after feeding solidifies, produce green compact;
S4. solvent degreasing, thermal debinding: green compact are dipped in organic solvent and carry out solvent degreasing; Then take out green compact, after drying, put into degreasing sintered stove, remove remaining binding agent by thermal debinding;
S5. sinter: the vacuum regulating sintering furnace, at high temperature sinters, after cooling, obtain finished product.
The present invention adopts rare earth hydride or/and rare-earth boride is as additive, in high temperature sintering, these rare earth compounds can decompose generation rare earth element, rare earth element can and hydrogenation and dehydrogenization titanium valve in impurity element as reactions such as oxygen nitrogen, generation oxide or nitride distribution improve the intensity of material on crystal boundary.In addition because the impurity content in titanium alloy significantly reduces, the moulding of material is greatly improved.
Preferably, the rare-earth boride described in S1. is selected from: LaB6, CeB6, PrB6, NdB6, SmB6, EuB6, YB6 and/or ZrB6; S1. the rare earth hydride described in is selected from: LaH2, CeH2, PrH2, NdH2, SmH2, EuH2, YH2 and/or ZrH2.
Preferably, the addition of the additive powder in S1. is 0 ~ 1.5% of mixed-powder gross weight.The present invention adds the additive powder of trace, and addition can be 0.01%, 0.1%, 0.5%, 1.0%, 1.5% of mixed-powder gross weight.
Preferably, the heating described in S2. refers to and is heated to 120 ~ 180 DEG C.
Preferably, the heating described in S3. refers to and is heated to 130 ~ 160 DEG C.
Preferably, the sintering described in S5., concrete grammar is: the vacuum of sintering furnace is elevated to 10
-2~ 10
-3pa, temperature rises to 1250 ~ 1350 DEG C gradually, sinters finished product of lowering the temperature to obtain after 2 ~ 3 hours.
Preferably, in S1., also add alloying element powder, carry out premixed with hydrogenation and dehydrogenization titanium valve, additive powder and obtain mixed-powder.
More preferably, described alloying element powder is aluminium, Fan, Molybdenum, vanadium, tantalum, niobium, iron, manganese, chromium, cobalt, nickel, copper, silicon, tin and/or zr element powder.
Most preferably, described alloying element powder is aluminium and vanadium element powder.
More preferably, the addition of described alloying element powder is 5 ~ 30% of mixed-powder gross weight.
Alloying element add kind and consumption, those skilled in the art can choose reasonable according to actual needs.
Preferably, the particle diameter of above-mentioned hydrogenation and dehydrogenization titanium valve, additive powder and alloying element powder is all less than 45 microns.
Preferably, the addition of mixed-powder is 50 ~ 60% of mixed-powder and binding agent cumulative volume; The addition of binding agent is 40 ~ 50% of mixed-powder and binding agent cumulative volume;
More preferably, described high polymer binder, containing the high density polyethylene (HDPE) accounting for high polymer binder gross weight 45 ~ 50%, the paraffin of 45 ~ 50% and the stearic acid of 2 ~ 5%.
Preferably, the injection moulding described in S3., applies ultrasonic signal when being shaped on mould.
More preferably, the described concrete grammar applying ultrasonic signal on mould is: in the distance of mould gate 10 ~ 30mm, be provided with the transducer that 20 ~ 40kHz ultrasonic wave drives.
The present invention have employed the method that special ultrasonic assistant is shaped in process of injection molding, enhances the mobility of feeding, thus reduces the defect in green compact, improves the yield rate of green compact.
Preferably, the solvent degreasing described in S4., the concrete grammar of thermal debinding are: green compact are dipped in hexane solution, are heated to 30 ~ 45 DEG C, are incubated 6 ~ 24 hours, carry out solvent degreasing; Then take out green compact, after drying, put into degreasing sintered stove, the temperature of degreasing sintered stove is slowly elevated to 400 ~ 600 DEG C, remove remaining binding agent by thermal debinding.
Beneficial effect: the titanium alloy product that (1) the present invention produces, density and mechanical property all and with high pure spherical titanium valve manufacture titanium alloy product similar even better, therefore significantly can reduce the cost of titanium alloy powder injection moulding.(2) the present invention have employed the method that special ultrasonic assistant is shaped in process of injection molding, enhances the mobility of feeding, thus reduces the defect in green compact, improves the yield rate of green compact.
Accompanying drawing explanation
Fig. 1 is the power injection molding flow chart of low cost hydrogenation-dehydrogenation titanium valve.
Fig. 2 is the sintering process flow chart in power injection molding.
Detailed description of the invention
Explain the present invention further below in conjunction with specific embodiment, but embodiment does not limit in any form to the present invention.
In the embodiment of the present invention, the method for testing of product density is see Metal Powder IndustriesFederation (MPIF) Standard 42.
In the embodiment of the present invention, the method for testing of hot strength is see Metal Powder IndustriesFederation (MPIF) Standard 50.
In the embodiment of the present invention, the method for testing of percentage elongation is see Metal Powder Industries Federation (MPIF) Standard 59.
In the embodiment of the present invention, the method for testing of green wares rate is: from the green compact produced, randomly draw 100 detect, remove the sample obviously occurring the defects such as crackle, suture, surperficial flow liner, calculates gained finished product yield.
Embodiment 1 low cost hydrogenation and dehydrogenization titanium valve manufactures the power injection molding of pure titanium parts
Hydrogenation-dehydrogenation titanium valve and the LaB6 powder accounting for mixed-powder gross weight 1wt.% are mixed, obtain mixed-powder, then add and account for the high polymer binder (HDPE of 50wt.% that cumulative volume is 45vol.%, the paraffin of 45wt.% and the stearic acid of 5wt.%), in banbury, first metal dust is heated to 160 DEG C, then progressively adds HDPE, paraffin and stearic acid.Mixing evenly after, then manufacture granular feeding by comminutor.Carry out injection moulding 140 DEG C of modes by ultrasonic assistant, produce green compact (yield rate >90%).Green compact are dipped in the solution of the n-hexane of 40 DEG C, are incubated and carry out solvent degreasing in 24 hours.Then take out green compact, after drying, put into degreasing sintered stove.Remaining binding agent is removed by thermal debinding at 450 DEG C.The vacuum of sintering furnace is elevated to 10
-3pa, rises to 1320 DEG C gradually temperature, sinters after 3 hours and lowers the temperature.Product density after sintering about 97%, hot strength 550MPa, percentage elongation is 15%.
Embodiment 2 low cost hydrogenation-dehydrogenation titanium valve manufactures the power injection molding of Ti6Al4V part
Hydrogenation-dehydrogenation titanium valve and account for that mixed-powder gross weight is the aluminium powder of 6wt.%, the LaB6 powder of the vanadium powder of 4wt.% and 1wt.% mixes, then add and account for the high polymer binder (HDPE of 50wt.% that cumulative volume is 45vol.%, the paraffin of 45wt.% and the stearic acid of 5wt.%), in banbury, first metal dust is heated to 160 DEG C, then progressively adds HDPE, paraffin and stearic acid.Mixing evenly after, then manufacture granular feeding by comminutor.Carry out injection moulding 140 DEG C of modes by ultrasonic assistant, produce green compact (yield rate >90%).Green compact are dipped in the solution of the n-hexane of 40 DEG C, are incubated and carry out solvent degreasing in 24 hours.Then take out green compact, after drying, put into degreasing sintered stove.Remaining binding agent is removed by thermal debinding at 450 DEG C.The vacuum of sintering furnace is elevated to 10
-3pa, rises to 1300 DEG C gradually temperature, sinters after 2.5 hours and lowers the temperature.Product density after sintering about 98%, hot strength 895MPa, percentage elongation is 10%.
Embodiment 3 low cost hydrogenation and dehydrogenization titanium valve manufactures the power injection molding of pure titanium parts
Hydrogenation-dehydrogenation titanium valve and the YH2 powder accounting for mixed-powder gross weight 0.5wt.% are mixed, obtain mixed-powder, then add and account for the high polymer binder (HDPE of 50wt.% that cumulative volume is 42vol.%, the paraffin of 47wt.% and the stearic acid of 3wt.%), in banbury, first metal dust is heated to 160 DEG C, then progressively adds HDPE, paraffin and stearic acid.Mixing evenly after, then manufacture granular feeding by comminutor.Carry out injection moulding 140 DEG C of modes by ultrasonic assistant, produce green compact (yield rate >90%).Green compact are dipped in the solution of the n-hexane of 40 DEG C, are incubated and carry out solvent degreasing in 24 hours.Then take out green compact, after drying, put into degreasing sintered stove.Remaining binding agent is removed by thermal debinding at 450 DEG C.The vacuum of sintering furnace is elevated to 10
-2pa, rises to 1300 DEG C gradually temperature, sinters after 3 hours and lowers the temperature.Product density after sintering about 96%, hot strength 535MPa, percentage elongation is 13%.
Embodiment 4 low cost hydrogenation and dehydrogenization titanium valve manufactures the power injection molding of pure titanium parts
Hydrogenation-dehydrogenation titanium valve and the YH2 powder accounting for mixed-powder gross weight 0.5wt.% are mixed, obtain mixed-powder, then add and account for the high polymer binder (HDPE of 45wt.% that cumulative volume is 40vol.%, the paraffin of 50wt.% and the stearic acid of 5wt.%), in banbury, first metal dust is heated to 160 DEG C, then progressively adds HDPE, paraffin and stearic acid.Mixing evenly after, then manufacture granular feeding by comminutor.Carry out injection moulding 140 DEG C of modes by ultrasonic assistant, produce green compact (yield rate >90%).Green compact are dipped in the solution of the n-hexane of 40 DEG C, are incubated and carry out solvent degreasing in 24 hours.Then take out green compact, after drying, put into degreasing sintered stove.Remaining binding agent is removed by thermal debinding at 450 DEG C.The vacuum of sintering furnace is elevated to 10
-2pa, rises to 1320 DEG C gradually temperature, sinters after 3 hours and lowers the temperature.Product density after sintering about 97%, hot strength 520MPa, percentage elongation is 11%.
Embodiment 5 low cost hydrogenation-dehydrogenation titanium valve manufactures the power injection molding of Ti6Al4V part
Hydrogenation-dehydrogenation titanium valve and account for that mixed-powder gross weight is the aluminium powder of 6wt.%, the ZrH2 powder of the vanadium powder of 4wt.% and 1.2wt.% mixes, then add and account for the high polymer binder (HDPE of 45wt.% that cumulative volume is 50vol.%, the paraffin of 50wt.% and the stearic acid of 5wt.%), in banbury, first metal dust is heated to 180 DEG C, then progressively adds HDPE, paraffin and stearic acid.Mixing evenly after, then manufacture granular feeding by comminutor.Carry out injection moulding 160 DEG C of modes by ultrasonic assistant, produce green compact (yield rate >90%).Green compact are dipped in the solution of the n-hexane of 40 DEG C, are incubated and carry out solvent degreasing in 24 hours.Then take out green compact, after drying, put into degreasing sintered stove.Remaining binding agent is removed by thermal debinding at 450 DEG C.The vacuum of sintering furnace is elevated to 10
-3pa, rises to 1300 DEG C gradually temperature, sinters after 2 hours and lowers the temperature.Product density after sintering about 98%, hot strength 895MPa, percentage elongation is 12%.
Embodiment 6 low cost hydrogenation-dehydrogenation titanium valve manufactures the power injection molding of Ti6Al4V part
Hydrogenation-dehydrogenation titanium valve and account for that mixed-powder gross weight is the aluminium powder of 6wt.%, the CeB6 powder of the vanadium powder of 4wt.% and 0.7wt.% mixes, then add and account for the high polymer binder (HDPE of 50wt.% that cumulative volume is 40vol.%, the paraffin of 48wt.% and the stearic acid of 2wt.%), in banbury, first metal dust is heated to 150 DEG C, then progressively adds HDPE, paraffin and stearic acid.Mixing evenly after, then manufacture granular feeding by comminutor.Carry out injection moulding 130 DEG C of modes by ultrasonic assistant, produce green compact (yield rate >90%).Green compact are dipped in the solution of the n-hexane of 40 DEG C, are incubated and carry out solvent degreasing in 24 hours.Then take out green compact, after drying, put into degreasing sintered stove.Remaining binding agent is removed by thermal debinding at 450 DEG C.The vacuum of sintering furnace is elevated to 10
-3pa, rises to 1250 DEG C gradually temperature, sinters after 2 hours and lowers the temperature.Product density after sintering about 97%, hot strength 868MPa, percentage elongation is 9%.
Claims (10)
1. a power injection molding for low cost hydrogenation and dehydrogenization titanium valve, is characterized in that, comprises following steps:
S1. premix: hydrogenation and dehydrogenization titanium valve, additive powder are carried out premixed and obtain mixed-powder; Described additive powder is that rare-earth boride is or/and rare earth hydride powder;
S2. mixing, granulation: first mixed-powder is heated, then add binding agent, mixing evenly after, then manufacture granular feeding by comminutor;
S3. injection moulding: feeding is heated, then uses injection machine to be expelled in mould and is shaped; Take out after feeding solidifies, produce green compact;
S4. solvent degreasing, thermal debinding: green compact are dipped in organic solvent and carry out solvent degreasing; Then take out green compact, after drying, put into degreasing sintered stove, remove remaining binding agent by thermal debinding;
S5. sinter: the vacuum regulating sintering furnace, at high temperature sinters, after cooling, obtain finished product.
2. the power injection molding of low cost hydrogenation and dehydrogenization titanium valve according to claim 1, it is characterized in that, the rare-earth boride described in S1. is selected from: LaB6, CeB6, PrB6, NdB6, SmB6, EuB6, YB6 and/or ZrB6; S1. the rare earth hydride described in is selected from: LaH2, CeH2, PrH2, NdH2, SmH2, EuH2, YH2 and/or ZrH2.
3. the power injection molding of low cost hydrogenation and dehydrogenization titanium valve according to claim 1, is characterized in that, the addition of the additive powder in S1. is 0 ~ 1.5% of mixed-powder gross weight.
4. the power injection molding of low cost hydrogenation and dehydrogenization titanium valve according to claim 1, is characterized in that, the heating described in S2. refers to and is heated to 120 ~ 180 DEG C; S3. the heating described in refers to and is heated to 130 ~ 160 DEG C; S5. the sintering described in, concrete grammar is: the vacuum of sintering furnace is elevated to 10
-2~ 10
-3pa, temperature rises to 1250 ~ 1350 DEG C gradually, sinters finished product of lowering the temperature to obtain after 2 ~ 3 hours.
5. the power injection molding of low cost hydrogenation and dehydrogenization titanium valve according to claim 1, is characterized in that, also add alloying element powder in S1., carries out premixed obtain mixed-powder with hydrogenation and dehydrogenization titanium valve, additive powder; Preferably, described alloying element powder is aluminium, Fan, Molybdenum, vanadium, tantalum, niobium, iron, manganese, chromium, cobalt, nickel, copper, silicon, tin and/or zr element powder.
6. the power injection molding of low cost hydrogenation and dehydrogenization titanium valve according to claim 5, is characterized in that, the addition of alloying element powder is 5 ~ 30% of mixed-powder gross weight.
7. the power injection molding of the low cost hydrogenation and dehydrogenization titanium valve according to any one of claim 1 ~ 6, is characterized in that, the particle diameter of hydrogenation and dehydrogenization titanium valve, additive powder and alloying element powder is all less than 45 microns.
8. the power injection molding of low cost hydrogenation and dehydrogenization titanium valve according to claim 1, is characterized in that, the addition of mixed-powder is 50 ~ 60% of mixed-powder and binding agent cumulative volume; The addition of binding agent is 40 ~ 50% of mixed-powder and binding agent cumulative volume; Preferably, described high polymer binder, containing the high density polyethylene (HDPE) accounting for high polymer binder gross weight 45 ~ 50%, the paraffin of 45 ~ 50% and the stearic acid of 2 ~ 5%.
9. the power injection molding of low cost hydrogenation and dehydrogenization titanium valve according to claim 1, is characterized in that, the injection moulding described in S3., applies ultrasonic signal when being shaped on mould; Preferably, the described concrete grammar applying ultrasonic signal on mould is: in the distance of mould gate 10 ~ 30mm, be provided with the transducer that 20 ~ 40kHz ultrasonic wave drives.
10. the power injection molding of low cost hydrogenation and dehydrogenization titanium valve according to claim 1, it is characterized in that, the solvent degreasing described in S4., the concrete grammar of thermal debinding are: green compact are dipped in hexane solution, are heated to 30 ~ 45 DEG C, be incubated 6 ~ 24 hours, carry out solvent degreasing; Then take out green compact, after drying, put into degreasing sintered stove, the temperature of degreasing sintered stove is slowly elevated to 400 ~ 600 DEG C, remove remaining binding agent by thermal debinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510074938.2A CN104690271B (en) | 2015-02-12 | 2015-02-12 | A kind of power injection molding of inexpensive hydrogenation dehydrogenation titanium powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510074938.2A CN104690271B (en) | 2015-02-12 | 2015-02-12 | A kind of power injection molding of inexpensive hydrogenation dehydrogenation titanium powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104690271A true CN104690271A (en) | 2015-06-10 |
| CN104690271B CN104690271B (en) | 2017-07-14 |
Family
ID=53338033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510074938.2A Active CN104690271B (en) | 2015-02-12 | 2015-02-12 | A kind of power injection molding of inexpensive hydrogenation dehydrogenation titanium powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104690271B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959615A (en) * | 2015-07-27 | 2015-10-07 | 长沙瑞泰医学科技有限公司 | Manufacturing method for orthopaedics implant odd-shaped part |
| CN107214332A (en) * | 2017-06-08 | 2017-09-29 | 重庆文理学院 | A kind of titanium hydride powders injection moulding feeding product and preparation method thereof |
| CN107243628A (en) * | 2017-06-08 | 2017-10-13 | 重庆文理学院 | A kind of binding agent for titanium hydride powders injection moulding |
| CN107243636A (en) * | 2017-06-08 | 2017-10-13 | 重庆文理学院 | A kind of ejection forming method of metal titanium products |
| CN107900365A (en) * | 2017-11-17 | 2018-04-13 | 四川有色金源粉冶材料有限公司 | One kind injection moulding WNiFe materials and preparation method thereof |
| CN108607989A (en) * | 2018-04-11 | 2018-10-02 | 深圳艾利佳材料科技有限公司 | The ejection forming method of abnormal complex part |
| CN109014214A (en) * | 2018-09-03 | 2018-12-18 | 广西冶金研究院有限公司 | A kind of preparation method and HK30 blade based on the molding HK30 material of MIM |
| CN109226771A (en) * | 2018-11-20 | 2019-01-18 | 深圳艾利佳材料科技有限公司 | A kind of method that ultrasound plastics molding prepares metal product |
| CN109266882A (en) * | 2018-12-11 | 2019-01-25 | 哈尔滨东盛金属材料有限公司 | Aluminium alloy titanium additives |
| CN109576531A (en) * | 2018-12-27 | 2019-04-05 | 安徽应流久源核能新材料科技有限公司 | A kind of rare earth powder compound metallurgical material and preparation method thereof |
| CN109877332A (en) * | 2019-04-16 | 2019-06-14 | 上海材料研究所 | A method of improving titanium or titanium alloy gas-atomised powders fine powder rate |
| CN109988940A (en) * | 2019-04-16 | 2019-07-09 | 上海材料研究所 | A kind of rare earth modified 3D printing hyperoxia titanium valve and preparation method |
| CN110527857A (en) * | 2019-09-27 | 2019-12-03 | 广西科技大学 | A kind of sintering titanium alloy and preparation method thereof |
| CN111347048A (en) * | 2020-03-17 | 2020-06-30 | 苏勇君 | Low-cost titanium alloy indirect additive manufacturing method |
| CN111360247A (en) * | 2020-03-18 | 2020-07-03 | 丽水学院 | Low-cost titanium-aluminum intermetallic compound indirect 3D printing method |
| CN111421139A (en) * | 2020-04-24 | 2020-07-17 | 丽水学院 | Metal forming process and processing equipment for small titanium-aluminum-based alloy engine blade |
| CN112512731A (en) * | 2018-07-24 | 2021-03-16 | 斯特劳曼控股公司 | Process for preparing an article by powder injection moulding |
| CN112496326A (en) * | 2020-11-10 | 2021-03-16 | 中南大学 | Oxygen removing process for injection molding titanium alloy and application thereof |
| CN112826616A (en) * | 2020-12-30 | 2021-05-25 | 上海精科智能科技股份有限公司 | Titanium alloy orthodontic pliers and preparation method thereof |
| CN113215428A (en) * | 2021-04-20 | 2021-08-06 | 四川大学 | Metal titanium product prepared from titanium hydride powder resin composite material and method |
| CN114160795A (en) * | 2021-10-29 | 2022-03-11 | 深圳艾利佳材料科技有限公司 | Low-cost porous titanium alloy injection molding method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1418974A (en) * | 2002-12-19 | 2003-05-21 | 北京科技大学 | Method for synthesizing NiTi shape memory alloy porous material |
| CN1644278A (en) * | 2005-01-12 | 2005-07-27 | 北京科技大学 | Ti6Al4V alloy injection forming method |
| US20080090719A1 (en) * | 2004-11-15 | 2008-04-17 | Mitsubishi Materials Corporation | Spongy Sintered Article of Titanium or Titanium Alloy Exhibiting Excellent Compressios Strength |
| CN101279367A (en) * | 2008-05-28 | 2008-10-08 | 北京科技大学 | Injection forming method for preparing high Niobium containing Ti-Al alloy components |
| CN101912888A (en) * | 2010-07-15 | 2010-12-15 | 江阴东大新材料研究院 | Manufacturing method of die core of wire-drawing die |
| CN102534333A (en) * | 2012-01-05 | 2012-07-04 | 西安建筑科技大学 | Method for preparing fine-grain high-density TZM (Titanium-Zirconium-Molybdenum Allo) alloy |
| CN203526525U (en) * | 2013-10-25 | 2014-04-09 | 西南交通大学 | Device for manufacturing gradient materials |
-
2015
- 2015-02-12 CN CN201510074938.2A patent/CN104690271B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1418974A (en) * | 2002-12-19 | 2003-05-21 | 北京科技大学 | Method for synthesizing NiTi shape memory alloy porous material |
| US20080090719A1 (en) * | 2004-11-15 | 2008-04-17 | Mitsubishi Materials Corporation | Spongy Sintered Article of Titanium or Titanium Alloy Exhibiting Excellent Compressios Strength |
| CN1644278A (en) * | 2005-01-12 | 2005-07-27 | 北京科技大学 | Ti6Al4V alloy injection forming method |
| CN101279367A (en) * | 2008-05-28 | 2008-10-08 | 北京科技大学 | Injection forming method for preparing high Niobium containing Ti-Al alloy components |
| CN101912888A (en) * | 2010-07-15 | 2010-12-15 | 江阴东大新材料研究院 | Manufacturing method of die core of wire-drawing die |
| CN102534333A (en) * | 2012-01-05 | 2012-07-04 | 西安建筑科技大学 | Method for preparing fine-grain high-density TZM (Titanium-Zirconium-Molybdenum Allo) alloy |
| CN203526525U (en) * | 2013-10-25 | 2014-04-09 | 西南交通大学 | Device for manufacturing gradient materials |
Non-Patent Citations (1)
| Title |
|---|
| 刘延斌等: "稀土元素La对粉末冶金钛合金锻态组织与力学性能的影响", 《粉末冶金材料科学与工程》 * |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959615A (en) * | 2015-07-27 | 2015-10-07 | 长沙瑞泰医学科技有限公司 | Manufacturing method for orthopaedics implant odd-shaped part |
| CN107243636B (en) * | 2017-06-08 | 2019-02-22 | 重庆文理学院 | A kind of ejection forming method of metal titanium products |
| CN107214332A (en) * | 2017-06-08 | 2017-09-29 | 重庆文理学院 | A kind of titanium hydride powders injection moulding feeding product and preparation method thereof |
| CN107243628A (en) * | 2017-06-08 | 2017-10-13 | 重庆文理学院 | A kind of binding agent for titanium hydride powders injection moulding |
| CN107243636A (en) * | 2017-06-08 | 2017-10-13 | 重庆文理学院 | A kind of ejection forming method of metal titanium products |
| CN107243628B (en) * | 2017-06-08 | 2019-04-16 | 重庆文理学院 | A kind of binder for titanium hydride powders injection moulding |
| CN107214332B (en) * | 2017-06-08 | 2019-04-12 | 重庆文理学院 | A kind of titanium hydride powders injection moulding feeding product and preparation method thereof |
| CN107900365A (en) * | 2017-11-17 | 2018-04-13 | 四川有色金源粉冶材料有限公司 | One kind injection moulding WNiFe materials and preparation method thereof |
| CN107900365B (en) * | 2017-11-17 | 2020-08-21 | 四川有色金源粉冶材料有限公司 | WNiFe material for injection molding and preparation method thereof |
| CN108607989A (en) * | 2018-04-11 | 2018-10-02 | 深圳艾利佳材料科技有限公司 | The ejection forming method of abnormal complex part |
| CN112512731A (en) * | 2018-07-24 | 2021-03-16 | 斯特劳曼控股公司 | Process for preparing an article by powder injection moulding |
| CN109014214A (en) * | 2018-09-03 | 2018-12-18 | 广西冶金研究院有限公司 | A kind of preparation method and HK30 blade based on the molding HK30 material of MIM |
| CN109014214B (en) * | 2018-09-03 | 2020-06-02 | 广西科技大学 | Preparation method of HK30 material based on MIM molding and HK30 blade |
| CN109226771A (en) * | 2018-11-20 | 2019-01-18 | 深圳艾利佳材料科技有限公司 | A kind of method that ultrasound plastics molding prepares metal product |
| CN109266882A (en) * | 2018-12-11 | 2019-01-25 | 哈尔滨东盛金属材料有限公司 | Aluminium alloy titanium additives |
| CN109576531A (en) * | 2018-12-27 | 2019-04-05 | 安徽应流久源核能新材料科技有限公司 | A kind of rare earth powder compound metallurgical material and preparation method thereof |
| CN109988940A (en) * | 2019-04-16 | 2019-07-09 | 上海材料研究所 | A kind of rare earth modified 3D printing hyperoxia titanium valve and preparation method |
| CN109877332A (en) * | 2019-04-16 | 2019-06-14 | 上海材料研究所 | A method of improving titanium or titanium alloy gas-atomised powders fine powder rate |
| CN110527857A (en) * | 2019-09-27 | 2019-12-03 | 广西科技大学 | A kind of sintering titanium alloy and preparation method thereof |
| CN110527857B (en) * | 2019-09-27 | 2020-12-22 | 广西科技大学 | Sintered titanium alloy and preparation method thereof |
| CN111347048A (en) * | 2020-03-17 | 2020-06-30 | 苏勇君 | Low-cost titanium alloy indirect additive manufacturing method |
| CN111360247A (en) * | 2020-03-18 | 2020-07-03 | 丽水学院 | Low-cost titanium-aluminum intermetallic compound indirect 3D printing method |
| CN111421139A (en) * | 2020-04-24 | 2020-07-17 | 丽水学院 | Metal forming process and processing equipment for small titanium-aluminum-based alloy engine blade |
| CN112496326A (en) * | 2020-11-10 | 2021-03-16 | 中南大学 | Oxygen removing process for injection molding titanium alloy and application thereof |
| CN112826616A (en) * | 2020-12-30 | 2021-05-25 | 上海精科智能科技股份有限公司 | Titanium alloy orthodontic pliers and preparation method thereof |
| CN113215428A (en) * | 2021-04-20 | 2021-08-06 | 四川大学 | Metal titanium product prepared from titanium hydride powder resin composite material and method |
| CN113215428B (en) * | 2021-04-20 | 2022-03-25 | 四川大学 | Method for preparing metal titanium product by using titanium hydride powder resin composite material |
| CN114160795A (en) * | 2021-10-29 | 2022-03-11 | 深圳艾利佳材料科技有限公司 | Low-cost porous titanium alloy injection molding method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104690271B (en) | 2017-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104690271A (en) | Powder injection molding process by utilizing low-cost hydrogenated-dehydrogenated titanium powder | |
| CN104087772B (en) | A kind of powder metallurgy process preparing high-compactness titanium or titanium alloy | |
| CN101886192B (en) | Method for preparing high-performance iron nickel magnetically soft alloy by using powder metallurgy process | |
| CN103320756B (en) | The preparation method of high purity, high-compactness, large-size molybdenum alloy target | |
| CN100581690C (en) | Injection forming method for preparing high Niobium containing Ti-Al alloy components | |
| CN103642253B (en) | A kind of powder metallurgy formation wax-based binder and its preparation method and application | |
| CN103602922B (en) | A kind of powder metallurgical ferrous alloy and preparation method thereof | |
| CN105108154A (en) | Method for preparing special-shaped complex part through powder injection molding technology | |
| CN105537595A (en) | MIM manufacturing process for non-magnetic 17-4P stainless steel parts | |
| CN105290392A (en) | 304L stainless steel metal powder injection molding method | |
| CN108326282B (en) | A kind of powder injection forming Ti-6Al-4V alloy feeding and preparation method thereof | |
| JP2014031574A (en) | Method of manufacturing powder metallurgy workpiece and powder metallurgy workpiece | |
| CN103981436A (en) | Metal powder injection molded high-strength martensite aged steel and preparation method thereof | |
| CN1644278A (en) | Ti6Al4V alloy injection forming method | |
| CN102560223A (en) | Method for forming bonded iron-based powder by high velocity compaction technology | |
| CN102773482B (en) | Method for manufacturing butterfly valve rod by powder metallurgy | |
| CN112658255B (en) | MIM (metal injection molding) process for Fe-Mn-Al-C series steel part | |
| CN102773483B (en) | Method for manufacturing valve seat of stop valve by powder metallurgy | |
| CN1686642A (en) | Method of preparing high size precision profiled molybdenum parts | |
| CN101696474B (en) | Powder metallurgy preparation method for rare-earth containing oxide reinforcing phase titanium alloy | |
| CN103056369A (en) | Process for producing part by powder metallurgy | |
| CN106141192A (en) | A kind of copper alloy element manufacture method | |
| CN104972128A (en) | Production method of orthodontic forceps | |
| CN103938017A (en) | Copper-based powder metallurgy tool steel and manufacturing method thereof | |
| CN103433492A (en) | Blow molding method for powder of metal hollow product |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220211 Address after: 518000 building B, chuangxuan Industrial Park, Baihuayuan Road, Guangming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN AILIJIA MATERIALS TECHNOLOGY Co.,Ltd. Address before: 518055 428, second scientific research building, Department of materials, South University of science and technology, No. 1088, Xili Xueyuan Avenue, Nanshan District, Shenzhen, Guangdong Province Patentee before: Yu Peng |