CN102861912A - Preparation method of metal fiber sintering felt - Google Patents
Preparation method of metal fiber sintering felt Download PDFInfo
- Publication number
- CN102861912A CN102861912A CN2012103558059A CN201210355805A CN102861912A CN 102861912 A CN102861912 A CN 102861912A CN 2012103558059 A CN2012103558059 A CN 2012103558059A CN 201210355805 A CN201210355805 A CN 201210355805A CN 102861912 A CN102861912 A CN 102861912A
- Authority
- CN
- China
- Prior art keywords
- fiber
- metallic fiber
- felt
- preparation
- sintering
- 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.)
- Pending
Links
Abstract
The invention provides a preparation method of a metal fiber sintering felt. The preparation method includes the steps of firstly, selecting metal fibers of 2-4 wire diameter specifications, and feeding into a fiber stretch breaker for stretch breaking; secondly, separately disposing into a fiber disperser for dispersing into flocculence; simultaneously feeding into an airflow felt spreading machine for spreading to obtain a metal fiber felt; and fourthly, sintering the metal fiber felt under a protective atmosphere or a vacuum condition to obtain the metal fiber sintering felt. The preparation method is simple in preparation process, simple and practical in scheme and high in operability. The fiber wire diameter of the metal fiber sintering felt prepared by the method is in gradient distribution in the thickness direction, distribution proportion of upper-layer fine fibers is higher than that of the lower-layer fine fibers, so that special micro-structures are formed before sintering, fine metallurgical bonding is achieved at a low sintering temperature, the problem that fibers of large wire diameters are not easy to prepare materials with high porosity is solved, overall strength of the metal fiber sintering felt is improved, and production cost is lowered evidently.
Description
Technical field
The invention belongs to the metal material processing field of engineering technology, be specifically related to a kind of preparation method of metallic fiber sintered felt.
Background technology
Metallic fiber sintered felt is a kind of of metal fiber polyporous material, have high temperature resistant, anti-oxidant, corrosion-resistant, hole is controlled, permeance property good, the intensity advantages of higher, metallic fiber sintered felt has wide application prospect as a kind of multifunctional material in fields such as sqouynd absorption lowering noise, isolated by filtration, heat transfers.The micro-structural of material all is the key factors that affect performance such as bonding state, the aperture of fiber string diameter, fiber.
In the shaping and sintering process of metallic fiber sintered felt, form the difference of string diameter according to it, its sintering temperature is different, for obtaining preferably sintering state, can take to reduce the fiber string diameter and improve the sintering temperature two schemes, but the former can reduce the material aperture, the latter can reduce porosity, greatly limit the controlled pore structure scope of material, affected its application.
Summary of the invention
Technical problem to be solved by this invention is to provide the preparation method of the metallic fiber sintered felt that a kind of preparation technology is simple, scheme is simple and feasible, workable for above-mentioned the deficiencies in the prior art.Utilize the fiber string diameter of metallic fiber sintered felt of the method preparation in the thickness direction distribution gradient, the filament footpath fiber distribution proportion on upper strata is higher than lower floor, so that metallic fiber sintered felt before sintering just by special micro-structural form, this micro-structural forms can make metallic fiber just can realize good metallurgical binding in lower sintering temperature, greatly improve the bulk strength of metallic fiber sintered felt, significantly reduced production cost.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of preparation method of metallic fiber sintered felt, it is characterized in that, and the method may further comprise the steps:
Step 1, choose the metallic fiber of 2～4 kinds of string diameter specifications, send into respectively that crush cutting obtains the metallic fiber that length is 10mm～50mm in the fiber stretch breaking machine;
Step 2, to place respectively fiber dispersion machine to be separated into the metallic fiber after the crush cutting in the step 1 cotton-shaped;
Step 3, the metallic fiber after disperseing in the step 2 is sent into air-flow together spreading in the felt machine, spread in the felt machine to air-flow simultaneously and pass into air draught, is to carry out pavedly under the condition of 760Pa～1000Pa at stream pressure with metallic fiber, and obtaining substance is 100g/m
2～500g/m
2The metallic fiber felt;
Step 4, the felt of metallic fiber described in the step 3 is placed sintering furnace, sintering under protective atmosphere or vacuum condition obtains metallic fiber sintered felt.
The preparation method of above-mentioned a kind of metallic fiber sintered felt is characterized in that, metallic fiber described in the step 1 is stainless steel fibre, copper fiber, titanium fiber or FeCrAl fiber.
The preparation method of above-mentioned a kind of metallic fiber sintered felt is characterized in that, the string diameter of metallic fiber described in the step 1 is 5 μ m～50 μ m.
The preparation method of above-mentioned a kind of metallic fiber sintered felt is characterized in that, protective atmosphere described in the step 4 is hydrogen atmosphere, argon gas atmosphere or nitrogen atmosphere.
The preparation method of above-mentioned a kind of metallic fiber sintered felt is characterized in that, the vacuum of vacuum condition described in the step 4 is 1 * 10
-2Pa～1 * 10
-3Pa.
The preparation method of above-mentioned a kind of metallic fiber sintered felt is characterized in that, the temperature of sintering described in the step 4 is 850 ℃～1150 ℃, and the time of sintering is 1h～3h.
The present invention compared with prior art has the following advantages:
(1) the present invention selects the metallic fiber of 2～4 kinds of string diameter specifications, utilize the combination collocation of different string diameter specification metallic fibers, so that in the follow-up sintering process, the metallic fiber in filament footpath more easy-sintering forms the sintering node, solved crin footpath metallic fiber and be difficult to form the sintering node, made metallic fiber sintered felt integral body reach the state of metallurgical binding; The present invention can obtain more sintering node in lower sintering temperature by complementation collocation thick, filament footpath metallic fiber, easily reaches the effect of metallurgical binding.
(2) prepared metallic fiber felt and the metallic fiber sintered felt of the present invention all can prepare the metal fiber polyporous material with Higher porosity, solved the difficult problem of the difficult preparation of crin footpath metallic fiber high porosity porous material.The present invention is a quantum jump in the preparation field of metallic fiber sintered felt, the elevated temperature forming process of metallic fiber sintered felt material is improved, also solve crin footpath metallic fiber and be difficult for the difficult problem of preparation high porosity porous material, and significantly reduced production cost.
(3) the present invention chooses the metallic fiber of 2～4 kinds of string diameter specifications, at first metallic fiber is carried out crush cutting and be separated into cotton-shaped, then spread felt machine middle berth felt at air-flow, being separated into cotton-shaped metallic fiber mixes under the effect of air draught, under under Action of Gravity Field, slowly depositing again, because under the condition of equal length and identical material, metallic fiber weight than the crin thinner string diameter of metallic fiber directly is large, therefore can comparatively fast deposit, metallic fiber than the filament footpath is then more slow falling long-pending, therefore the fiber string diameter of the paved metallic fiber felt that obtains is in the thickness direction distribution gradient, the fine fibre distribution proportion on upper strata is higher than fibrofelt lower floor, this so that metallic fiber sintered felt before sintering just by special micro-structural form, this micro-structural can so that metallic fiber can obtain more sintering node in lower sintering temperature, easily reach the effect of metallurgical binding; The tensile strength of the metallic fiber sintered felt of employing the present invention preparation has improved 5MPa～15MPa than the metallic fiber sintered felt of single string diameter specification.
(5) preparation technology of the present invention is simple, and scheme is simple and feasible, and is workable, and the preparation method of metallic fiber sintered felt not only is confined in the scope of single string diameter.
(6) prepared metallic fiber felt and the metallic fiber sintered felt of the present invention all can be widely used in each application, such as isolated by filtration, sqouynd absorption lowering noise, heat transfer, light structures spare etc.
Below in conjunction with embodiment the present invention is described in further detail.
The specific embodiment
Embodiment 1
The preparation method of the metallic fiber sintered felt of the present embodiment may further comprise the steps:
Step 1, choose the stainless steel fibre that string diameter is respectively 8 μ m and 12 μ m, sending into respectively crush cutting in the fiber stretch breaking machine to the length of stainless steel fibre is 20mm;
Step 2, to place respectively fiber dispersion machine to be separated into the stainless steel fibre after the crush cutting in the step 1 cotton-shaped;
Step 3, that the string diameter after disperseing in the step 2 is that the stainless steel fibre of 8 μ m and stainless steel fibre that string diameter is 12 μ m are simultaneously sent into U.S. Rando(orchid in mass ratio at 1: 2 is many) in the air-flow shop felt machine produced of company, spreading in the felt machine to air-flow simultaneously and pass into air draught, is that to make substance be 300g/m for the condition lower berth of 850Pa with metallic fiber at air draught pressure
2The metallic fiber felt;
Step 4, the felt of metallic fiber described in the step 3 being placed vacuum sintering furnace, is 1 * 10 in vacuum
-2Carry out sintering under the condition of Pa, sintering temperature is 1150 ℃, and sintering time is 2h, obtains metallic fiber sintered felt.
The fiber string diameter of the metallic fiber sintered felt of the present embodiment preparation is in the thickness direction distribution gradient, the fine fibre distribution proportion on upper strata is higher than fibrofelt lower floor, special micro-structural forms makes metallic fiber can obtain more sintering node in lower sintering temperature, easily reach the effect of metallurgical binding, the tensile strength of the metallic fiber sintered felt of the present embodiment preparation has improved 6MPa than the stainless steel metal fibre sintering felt of single string diameter specification.
Embodiment 2
The preparation method of the metallic fiber sintered felt of the present embodiment may further comprise the steps:
Step 1, choose the copper fiber that string diameter is respectively 10 μ m and 25 μ m, sending into respectively crush cutting in the fiber stretch breaking machine to the length of copper fiber is 10mm;
Step 2, to place respectively fiber dispersion machine to be separated into the copper fiber after the crush cutting in the step 1 cotton-shaped;
Step 3, that the string diameter after disperseing in the step 2 is that the copper fiber of 10 μ m and copper fiber that string diameter is 25 μ m are simultaneously sent into U.S. Rando(orchid in mass ratio at 1: 1 is many) in the air-flow shop felt machine produced of company, spreading in the felt machine to air-flow simultaneously and pass into air draught, is that to make substance be 500g/m for the condition lower berth of 760Pa with metallic fiber at air draught pressure
2The metallic fiber felt;
Step 4, the felt of metallic fiber described in the step 3 being placed vacuum sintering furnace, is 1 * 10 in vacuum
-3Carry out sintering under the condition of Pa, sintering temperature is 850 ℃, and sintering time is 3h, obtains metallic fiber sintered felt.
The fiber string diameter of the metallic fiber sintered felt of the present embodiment preparation is in the thickness direction distribution gradient, the fine fibre distribution proportion on upper strata is higher than fibrofelt lower floor, special micro-structural forms makes metallic fiber can obtain more sintering node in lower sintering temperature, easily reach the effect of metallurgical binding, the tensile strength of the metallic fiber sintered felt of the present embodiment preparation has improved 8MPa than the copper metallic fiber sintered felt of single string diameter specification.
Embodiment 3
The preparation method of the metallic fiber sintered felt of the present embodiment may further comprise the steps:
Step 1, choose the titanium fiber that string diameter is respectively 10 μ m, 30 μ m and 50 μ m, sending into respectively crush cutting in the fiber stretch breaking machine to the length of titanium fiber is 50mm;
Step 2, to place respectively fiber dispersion machine to be separated into the titanium fiber after the crush cutting in the step 1 cotton-shaped;
Step 3, that the string diameter after disperseing in the step 2 is that titanium fiber, the string diameter of 10 μ m is that the titanium fiber of 30 μ m and titanium fiber that string diameter is 50 μ m are simultaneously sent into U.S. Rando(orchid in mass ratio at 1: 3: 2 is many) in the air-flow shop felt machine produced of company, spreading in the felt machine to air-flow simultaneously and pass into air draught, is that to make substance be 500g/m for the condition lower berth of 1000Pa with metallic fiber at air draught pressure
2The metallic fiber felt;
Step 4, the felt of metallic fiber described in the step 3 is placed atmosphere sintering furnace, carry out sintering under the hydrogen atmosphere protection, sintering temperature is 1000 ℃, and sintering time is 1h, obtains metallic fiber sintered felt.
The fiber string diameter of the metallic fiber sintered felt of the present embodiment preparation is in the thickness direction distribution gradient, the fine fibre distribution proportion on upper strata is higher than fibrofelt lower floor, special micro-structural forms makes metallic fiber can obtain more sintering node in lower sintering temperature, easily reach the effect of metallurgical binding, the tensile strength of the metallic fiber sintered felt of the present embodiment preparation has improved 8MPa than the titanium fiber sintering felt serving of single string diameter specification.
Embodiment 4
The preparation method of the metallic fiber sintered felt of the present embodiment may further comprise the steps:
Step 1, choose the FeCrAl fiber that string diameter is respectively 10 μ m, 20 μ m and 40 μ m, sending into respectively crush cutting in the fiber stretch breaking machine to the length of FeCrAl fiber is 30mm;
Step 2, to place respectively fiber dispersion machine to be separated into the FeCrAl fiber after the crush cutting in the step 1 cotton-shaped;
Step 3, that the string diameter after disperseing in the step 2 is that FeCrAl fiber, the string diameter of 10 μ m is that the FeCrAl fiber of 20 μ m and FeCrAl fiber that string diameter is 40 μ m are simultaneously sent into U.S. Rando(orchid in mass ratio at 1: 1: 2 is many) in the air-flow shop felt machine produced of company, spreading in the felt machine to air-flow simultaneously and pass into air draught, is that to make substance be 500g/m for the condition lower berth of 1000Pa with metallic fiber at air draught pressure
2The metallic fiber felt;
Step 4, the felt of metallic fiber described in the step 3 is placed atmosphere sintering furnace, carry out sintering under the argon gas atmosphere protection, sintering temperature is 1000 ℃, and sintering time is 1h, obtains metallic fiber sintered felt.
The fiber string diameter of the metallic fiber sintered felt of the present embodiment preparation is in the equal distribution gradient of thickness direction, the fine fibre distribution proportion on upper strata is higher than fibrofelt lower floor, special micro-structural forms makes metallic fiber can obtain more sintering node in lower sintering temperature, easily reach the effect of metallurgical binding, the tensile strength of the metallic fiber sintered felt of the present embodiment preparation has improved 15MPa than the FeCrAl metallic fiber sintered felt of single string diameter specification.
Embodiment 5
The preparation method of the metallic fiber sintered felt of the present embodiment may further comprise the steps:
Step 1, choose the copper fiber that string diameter is respectively 10 μ m, 15 μ m and 20 μ m, sending into respectively crush cutting in the fiber stretch breaking machine to the length of copper fiber is 25mm;
Step 2, to place respectively fiber dispersion machine to be separated into the copper fiber after the crush cutting in the step 1 cotton-shaped;
Step 3, that the string diameter after disperseing in the step 2 is that copper fiber, the string diameter of 10 μ m is that the copper fiber of 15 μ m and copper fiber that string diameter is 20 μ m are simultaneously sent into U.S. Rando(orchid in mass ratio at 2: 3: 4 is many) in the air-flow shop felt machine produced of company, spreading in the felt machine to air-flow simultaneously and pass into air draught, is that to make substance be 100g/m for the condition lower berth of 1000Pa with metallic fiber at air draught pressure
2The metallic fiber felt;
Step 4, the felt of metallic fiber described in the step 3 is placed atmosphere sintering furnace, carry out sintering under the nitrogen atmosphere protection, sintering temperature is 850 ℃, and sintering time is 2h, obtains metallic fiber sintered felt.
The fiber string diameter of the metallic fiber sintered felt of the present embodiment preparation is in the thickness direction distribution gradient, the fine fibre distribution proportion on upper strata is higher than fibrofelt lower floor, special micro-structural forms makes metallic fiber can obtain more sintering node in lower sintering temperature, easily reach the effect of metallurgical binding, the tensile strength of the metallic fiber sintered felt of the present embodiment preparation has improved 8MPa than the copper metallic fiber sintered felt of single string diameter specification.
Embodiment 6
The preparation method of the metallic fiber sintered felt of the present embodiment may further comprise the steps:
Step 1, choose the titanium fiber that string diameter is respectively 10 μ m, 15 μ m and 50 μ m, sending into respectively crush cutting in the fiber stretch breaking machine to the length of titanium fiber is 50mm;
Step 2, to place respectively fiber dispersion machine to be separated into the titanium fiber after the crush cutting in the step 1 cotton-shaped;
Step 3, that the string diameter after disperseing in the step 2 is that titanium fiber, the string diameter of 10 μ m is that the titanium fiber of 15 μ m and titanium fiber that string diameter is 50 μ m are simultaneously sent into U.S. Rando(orchid in mass ratio at 1: 2: 2 is many) in the air-flow shop felt machine produced of company, spreading in the felt machine to air-flow simultaneously and pass into air draught, is that to make substance be 300g/m for the condition lower berth of 1000Pa with metallic fiber at air draught pressure
2The metallic fiber felt;
Step 4, the felt of metallic fiber described in the step 3 is placed atmosphere sintering furnace, carry out sintering under the argon gas atmosphere protection, sintering temperature is 1100 ℃, and sintering time is 1h, obtains metallic fiber sintered felt.
The fiber string diameter of the metallic fiber sintered felt of the present embodiment preparation is in the equal distribution gradient of thickness direction, the fine fibre distribution proportion on upper strata is higher than fibrofelt lower floor, special micro-structural forms makes metallic fiber can obtain more sintering node in lower sintering temperature, easily reach the effect of metallurgical binding, the tensile strength of the metallic fiber sintered felt of the present embodiment preparation has improved 12.5MPa than the titanium fiber sintering felt serving of single string diameter specification.
The above only is preferred embodiment of the present invention, is not that the present invention is imposed any restrictions.Every any simple modification, change and equivalence of above embodiment being done according to the invention technical spirit changes, and all still belongs in the protection domain of technical solution of the present invention.
Claims (6)
1. the preparation method of a metallic fiber sintered felt is characterized in that, the method may further comprise the steps:
Step 1, choose the metallic fiber of 2～4 kinds of string diameter specifications, send into respectively that crush cutting obtains the metallic fiber that length is 10mm～50mm in the fiber stretch breaking machine;
Step 2, to place respectively fiber dispersion machine to be separated into the metallic fiber after the crush cutting in the step 1 cotton-shaped;
Step 3, the metallic fiber after disperseing in the step 2 is sent into air-flow together spreading in the felt machine, spread in the felt machine to air-flow simultaneously and pass into air draught, is to carry out pavedly under the condition of 760Pa～1000Pa at stream pressure with metallic fiber, and obtaining substance is 100g/m
2～500g/m
2The metallic fiber felt;
Step 4, the felt of metallic fiber described in the step 3 is placed sintering furnace, sintering under protective atmosphere or vacuum condition obtains metallic fiber sintered felt.
2. the preparation method of a kind of metallic fiber sintered felt according to claim 1 is characterized in that, metallic fiber described in the step 1 is stainless steel fibre, copper fiber, titanium fiber or FeCrAl fiber.
3. the preparation method of a kind of metallic fiber sintered felt according to claim 1 is characterized in that, the string diameter of metallic fiber described in the step 1 is 5 μ m～50 μ m.
4. the preparation method of a kind of metallic fiber sintered felt according to claim 1 is characterized in that, protective atmosphere described in the step 4 is hydrogen atmosphere, argon gas atmosphere or nitrogen atmosphere.
5. the preparation method of a kind of metallic fiber sintered felt according to claim 1 is characterized in that, the vacuum of vacuum condition described in the step 4 is 1 * 10
-2Pa～1 * 10
-3Pa.
6. the preparation method of a kind of metallic fiber sintered felt according to claim 1 is characterized in that, the temperature of sintering described in the step 4 is 850 ℃～1150 ℃, and the time of sintering is 1h～3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103558059A CN102861912A (en) | 2012-09-23 | 2012-09-23 | Preparation method of metal fiber sintering felt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103558059A CN102861912A (en) | 2012-09-23 | 2012-09-23 | Preparation method of metal fiber sintering felt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102861912A true CN102861912A (en) | 2013-01-09 |
Family
ID=47441188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103558059A Pending CN102861912A (en) | 2012-09-23 | 2012-09-23 | Preparation method of metal fiber sintering felt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102861912A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264162A (en) * | 2013-05-13 | 2013-08-28 | 华南理工大学 | Copper fiber sintered felt in micro-channel gradient hole structure and manufacture method for felt |
| CN104209518A (en) * | 2014-08-20 | 2014-12-17 | 西安菲尔特金属过滤材料有限公司 | Preparation method of nickel-based alloy fiber felt |
| CN105057668A (en) * | 2015-09-22 | 2015-11-18 | 西北有色金属研究院 | Sintering method of stainless steel fibre felt |
| CN105798293A (en) * | 2016-03-21 | 2016-07-27 | 新乡市利尔过滤技术有限公司 | Processing technique for sintered felt |
| CN105880595A (en) * | 2016-04-13 | 2016-08-24 | 浙江省浦江县畅达有限公司 | Manufacturing technology of sintered felt |
| CN106282852A (en) * | 2016-09-18 | 2017-01-04 | 厦门大学 | A kind of low-temp liquid-phase sintering manufacturing process of hybrid metal fiber sintering felt serving |
| CN107917555A (en) * | 2017-12-15 | 2018-04-17 | 西北有色金属研究院 | A kind of preparation method of regenerator |
| CN108211518A (en) * | 2018-03-05 | 2018-06-29 | 南通航海机械集团有限公司 | A kind of metal sintering formula dehydration Coalescence filter core and preparation method thereof |
| CN110202151A (en) * | 2019-05-15 | 2019-09-06 | 陕西理工机电科技有限公司 | A kind of preparation method of metallic fiber sintered felt substrate |
| CN111424369A (en) * | 2020-03-26 | 2020-07-17 | 南通大学 | Activated carbon fiber sound-absorbing felt with gradient structure and preparation method thereof |
| CN112548098A (en) * | 2020-12-03 | 2021-03-26 | 有研工程技术研究院有限公司 | Preparation method of nickel-molybdenum alloy fiber sintered felt |
| CN114131011A (en) * | 2021-11-30 | 2022-03-04 | 西北有色金属研究院 | Metal fiber porous energy-absorbing material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0797602A (en) * | 1993-09-29 | 1995-04-11 | Tomoegawa Paper Co Ltd | Dissimilar metal coated porous metallic fiber sintered sheet and production thereof |
| CN1188333A (en) * | 1997-12-11 | 1998-07-22 | 西北有色金属研究院 | Nickel fibre felt electrode and process for its manufacture |
| CN1785557A (en) * | 2005-12-28 | 2006-06-14 | 西部金属材料股份有限公司 | Preparation method of composite filtering net of stainless steel net and metal fiber felt |
| CN101579742A (en) * | 2009-06-26 | 2009-11-18 | 西北有色金属研究院 | Method for preparing porous metal fiber sandwich board with vertical structure |
| CN101596595A (en) * | 2009-06-29 | 2009-12-09 | 西北有色金属研究院 | A kind of preparing nickel fiber multihole lamina |
-
2012
- 2012-09-23 CN CN2012103558059A patent/CN102861912A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0797602A (en) * | 1993-09-29 | 1995-04-11 | Tomoegawa Paper Co Ltd | Dissimilar metal coated porous metallic fiber sintered sheet and production thereof |
| CN1188333A (en) * | 1997-12-11 | 1998-07-22 | 西北有色金属研究院 | Nickel fibre felt electrode and process for its manufacture |
| CN1785557A (en) * | 2005-12-28 | 2006-06-14 | 西部金属材料股份有限公司 | Preparation method of composite filtering net of stainless steel net and metal fiber felt |
| CN101579742A (en) * | 2009-06-26 | 2009-11-18 | 西北有色金属研究院 | Method for preparing porous metal fiber sandwich board with vertical structure |
| CN101596595A (en) * | 2009-06-29 | 2009-12-09 | 西北有色金属研究院 | A kind of preparing nickel fiber multihole lamina |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264162A (en) * | 2013-05-13 | 2013-08-28 | 华南理工大学 | Copper fiber sintered felt in micro-channel gradient hole structure and manufacture method for felt |
| CN104209518A (en) * | 2014-08-20 | 2014-12-17 | 西安菲尔特金属过滤材料有限公司 | Preparation method of nickel-based alloy fiber felt |
| CN104209518B (en) * | 2014-08-20 | 2016-06-08 | 西安菲尔特金属过滤材料有限公司 | A kind of preparation method of nickel-base alloy fiber felt |
| CN105057668B (en) * | 2015-09-22 | 2017-06-23 | 西北有色金属研究院 | A kind of sintering method of stainless steel fibre felt |
| CN105057668A (en) * | 2015-09-22 | 2015-11-18 | 西北有色金属研究院 | Sintering method of stainless steel fibre felt |
| CN105798293B (en) * | 2016-03-21 | 2017-10-10 | 新乡市利尔过滤技术有限公司 | A kind of processing technology for sintering felt |
| CN105798293A (en) * | 2016-03-21 | 2016-07-27 | 新乡市利尔过滤技术有限公司 | Processing technique for sintered felt |
| CN105880595A (en) * | 2016-04-13 | 2016-08-24 | 浙江省浦江县畅达有限公司 | Manufacturing technology of sintered felt |
| CN106282852A (en) * | 2016-09-18 | 2017-01-04 | 厦门大学 | A kind of low-temp liquid-phase sintering manufacturing process of hybrid metal fiber sintering felt serving |
| CN106282852B (en) * | 2016-09-18 | 2017-10-20 | 厦门大学 | A kind of low-temp liquid-phase sintering manufacturing process of hybrid metal fiber sintering felt serving |
| CN107917555A (en) * | 2017-12-15 | 2018-04-17 | 西北有色金属研究院 | A kind of preparation method of regenerator |
| CN107917555B (en) * | 2017-12-15 | 2020-07-17 | 西北有色金属研究院 | Preparation method of heat regenerator |
| CN108211518A (en) * | 2018-03-05 | 2018-06-29 | 南通航海机械集团有限公司 | A kind of metal sintering formula dehydration Coalescence filter core and preparation method thereof |
| CN110202151A (en) * | 2019-05-15 | 2019-09-06 | 陕西理工机电科技有限公司 | A kind of preparation method of metallic fiber sintered felt substrate |
| CN111424369A (en) * | 2020-03-26 | 2020-07-17 | 南通大学 | Activated carbon fiber sound-absorbing felt with gradient structure and preparation method thereof |
| CN112548098A (en) * | 2020-12-03 | 2021-03-26 | 有研工程技术研究院有限公司 | Preparation method of nickel-molybdenum alloy fiber sintered felt |
| CN114131011A (en) * | 2021-11-30 | 2022-03-04 | 西北有色金属研究院 | Metal fiber porous energy-absorbing material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102861912A (en) | Preparation method of metal fiber sintering felt | |
| CN103773985B (en) | A kind of efficient original position prepares the method that Graphene strengthens Cu-base composites | |
| CN107838431B (en) | Preparation method of spherical rhenium powder | |
| CN103469122B (en) | C/ZrC-SiC-Cu matrix material and preparation method thereof | |
| CN204444225U (en) | Add the cigarette filter rod that load has the filter screen of graphene oxide | |
| CN101104515B (en) | Preparing method of SiC nano-wire | |
| CN103614858B (en) | A kind of micrometer silicon carbide silica fibre felt and preparation method thereof | |
| KR102394071B1 (en) | Method for making silicon-carbon composites | |
| CN105752962A (en) | Three-dimensional graphene macroscopic material and preparation method thereof | |
| CN103074534A (en) | Preparation method of cermet | |
| IN2012DN00780A (en) | ||
| CN101596595A (en) | A kind of preparing nickel fiber multihole lamina | |
| CN103073320A (en) | Preparation method for ZrB2-SiC (w) ceramic raw material | |
| CN103787303A (en) | Natural biomass in-situ transformation preparation method of porous carbon in graded mesh structure | |
| CN107790721A (en) | A kind of preparation technology of 316L stainless steel fibres sintering felt | |
| CN104368805A (en) | Method for producing composite copper powder for ultrathin heat pipe | |
| CN105057674A (en) | Preparation method for stainless steel fiber sintered felt | |
| CN102583317A (en) | Method for enhancing structural order of carbide derived carbon | |
| CN104478461A (en) | Preparation method of whisker modified carbon/carbon composite material | |
| CN105057668A (en) | Sintering method of stainless steel fibre felt | |
| CN103785830B (en) | The preparation method of metal fiber felt | |
| CN102123803A (en) | Metal fibres for catalyst nonwovens | |
| CN101954261B (en) | Method for processing drilling hexagonal polycrystalline diamond | |
| Wang et al. | Effects of an inorganic binder on the strength property of cold-bonded pellets | |
| CN109440024A (en) | Tungsten fiber/copper-based composite plate preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130109 |