CN102321894A - Method for preparing nickel-tungsten composite material with layered structure - Google Patents
Method for preparing nickel-tungsten composite material with layered structure Download PDFInfo
- Publication number
- CN102321894A CN102321894A CN201110278799A CN201110278799A CN102321894A CN 102321894 A CN102321894 A CN 102321894A CN 201110278799 A CN201110278799 A CN 201110278799A CN 201110278799 A CN201110278799 A CN 201110278799A CN 102321894 A CN102321894 A CN 102321894A
- Authority
- CN
- China
- Prior art keywords
- electroforming
- nickel
- composite material
- composite tungsten
- electroforming process
- 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
Images
Landscapes
- Powder Metallurgy (AREA)
Abstract
The invention relates to a method for preparing a nickel-tungsten composite material with a layered structure, and belongs to the technical field of composite material preparing. According to the present invention, pulse power supply is adopted during an electroforming process, wherein the average current density is 12-17 A/dm<2>, the positive duty ratio is 11-25%; an anode and a cathode are parallelly inserted into an electroforming solution, wherein the anode is pure nickel, the cathode is stainless steel, the electroforming solution comprises the following components, 360-400 g/l of nickel sulphate, 46-58 g/l of nickel chloride, 1500-1800 g/l of sodium tungstate and 55-60 g/l of boric acid; a treatment of stirring is performed during the electroforming process, wherein the stirring speed is 30-50 rotations per minute; the treatment of electroforming is performed at a constant temperature of 72-78 DEG C, and the sodium tungstate solution is supplied in the electroforming process. With the method provided by the present invention, the tungsten content in the nickel-tungsten composite material is improved.
Description
Technical field
The invention belongs to the Composite Preparation technical field, a kind of preparation method of laminate structure nickel composite tungsten material is provided, thereby improved the W content in the nickel composite tungsten material.
Background technology
The nickel composite tungsten material is owing to possess the good electroconductibility and the thermal conductivity of nickel simultaneously, and advantages such as the HMP of tungsten, high firmness and HS are applied in some fields.Also being expected can its bigger effect of performance in leading-edge fields such as electronic information, the energy, military affairs.The nickel composite tungsten material generally adopts preparations such as prior powder metallurgy method, ultrafine metallic micropowder (UFP) cold pressing established law and mechanical alloying method.But there is major defect in these preparing methods, promptly are difficult to obtain to contain the nickel composite tungsten material than high W content, and when 1243K, the maximum W content in the nickel composite tungsten material only is about 16.7wt%.And high thermal resistance, wear resistance and the solidity to corrosion of W content and nickel composite tungsten material are closely related, so this defective has a strong impact on the over-all properties of nickel composite tungsten material, thereby have restricted the practical application of nickel composite tungsten material.
The invention provides the method that a kind of pulse electrodeposition prepares the nickel composite tungsten material, in deposition process, adopt the pulse power, can increase the electrochemical polarization of negative electrode, when outage, reduced concentration polarization again, can obtain the careful coating of crystallization.
Summary of the invention
The objective of the invention is to: a kind of method for preparing laminate structure nickel composite tungsten material is provided, solves the low problem of W content in the nickel composite tungsten material, promote the especially application on the heat resistant and wear resistant mould of nickel composite tungsten material.The scanning electron microscopic observation result of laminate structure nickel composite tungsten material (observations of instance 3) as shown in Figure 1.
The invention provides a kind of method for preparing laminate structure nickel composite tungsten material, it is characterized in that: in the electroforming process, adopt the pulse power, average current density is: 12～17A/dm
2, positive dutycycle 11%～25%, in anode, the parallel insertion electroforming solution of negative electrode, anode is a pure nickel, negative electrode is a stainless steel; The composition of electroforming solution is a single nickel salt: 360～400 grams per liters, nickelous chloride: 46～58 grams per liters, sodium wolframate: 1500～1800 grams per liters, boric acid: 55～60 grams per liters, all the other are water.In the electroforming process, stir, stirring velocity is: 30～50 rev/mins; Electroforming is carried out under 72 ℃～78 ℃ constant temperature, and in the electroforming process, replenishes sodium tungstate solution.
Characteristics of the present invention
A. the period is: controlled sample thickness in 1 hour～12 hours.
B, at the electroforming solution composition, when average current density remains unchanged, increase positive dutycycle and can effectively increase the W content in the nickel composite tungsten material.
C. adopt impulse electrodeposition technology to prepare, make Ni atom and W atom by the laminated form crystalline growth, successfully preparation has the nickel composite tungsten material than high W content.
The invention has the advantages that: technology is simple, has solved the low problem of W content in the nickel composite tungsten material.
Description of drawings
The scanning electron microscopic observation result of Fig. 1 laminate structure nickel composite tungsten material.
Embodiment
Instance 1: the practical implementation condition is as shown in table 1.
Table 1 practical implementation condition and result
Instance 2: the practical implementation condition is as shown in table 2.
Table 2 practical implementation condition and result
Instance 3: the practical implementation condition is as shown in table 3.
Table 3 practical implementation condition and result
Claims (2)
1. method for preparing laminate structure nickel composite tungsten material, it is characterized in that: in the electroforming process, adopt the pulse power, average current density is: 12～17A/dm
2, positive dutycycle 11%～25%, in anode, the parallel insertion electroforming solution of negative electrode, anode is a pure nickel, negative electrode is a stainless steel; The composition of electroforming solution is a single nickel salt: 360～400 grams per liters, and nickelous chloride: 46～58 grams per liters, sodium wolframate: 1500～1800 grams per liters, boric acid: 55～60 grams per liters, all the other are water; In the electroforming process, stir, electroforming is carried out under 72 ℃～78 ℃ constant temperature, and in the electroforming process, replenishes sodium tungstate solution.
2. a kind of method for preparing laminate structure nickel composite tungsten material according to claim 1, it is characterized in that: stirring velocity is in the electroforming process: 30～50 rev/mins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110278799A CN102321894A (en) | 2011-09-19 | 2011-09-19 | Method for preparing nickel-tungsten composite material with layered structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110278799A CN102321894A (en) | 2011-09-19 | 2011-09-19 | Method for preparing nickel-tungsten composite material with layered structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102321894A true CN102321894A (en) | 2012-01-18 |
Family
ID=45449721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110278799A Pending CN102321894A (en) | 2011-09-19 | 2011-09-19 | Method for preparing nickel-tungsten composite material with layered structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102321894A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254467A (en) * | 2020-01-20 | 2020-06-09 | 广东省焊接技术研究所（广东省中乌研究院） | Nickel-tungsten alloy with gradient structure, preparation method and novel layered structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307473A (en) * | 2008-06-06 | 2008-11-19 | 北京工业大学 | Method for preparing high-compact blocky tungsten nickel alloy |
| CN101619468A (en) * | 2009-06-26 | 2010-01-06 | 北京工业大学 | Method for preparing nanocrystal tungsten nickel |
| CN101838827A (en) * | 2010-04-16 | 2010-09-22 | 北京工业大学 | Method for controlling components and surface defect of electroformed nickel-tungsten alloy |
-
2011
- 2011-09-19 CN CN201110278799A patent/CN102321894A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307473A (en) * | 2008-06-06 | 2008-11-19 | 北京工业大学 | Method for preparing high-compact blocky tungsten nickel alloy |
| CN101619468A (en) * | 2009-06-26 | 2010-01-06 | 北京工业大学 | Method for preparing nanocrystal tungsten nickel |
| CN101838827A (en) * | 2010-04-16 | 2010-09-22 | 北京工业大学 | Method for controlling components and surface defect of electroformed nickel-tungsten alloy |
Non-Patent Citations (4)
| Title |
|---|
| 吴化等: "电沉积方法制备纳米晶Ni-W合金工艺研究", 《表面技术》 * |
| 张鹏等: "脉冲电沉积Ni-W合金镀层的微观结构及摩擦学性能", 《江南大学学报（自然科学版）》 * |
| 李晓闲等: "电沉积镍钨合金的应用及研究现状", 《上海有色金属》 * |
| 苏志江: "Ni-W合金镀层及Ni-W/T-1复合镀层的制备、表征及性能研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254467A (en) * | 2020-01-20 | 2020-06-09 | 广东省焊接技术研究所（广东省中乌研究院） | Nickel-tungsten alloy with gradient structure, preparation method and novel layered structure |
| CN111254467B (en) * | 2020-01-20 | 2021-03-02 | 广东省科学院中乌焊接研究所 | Nickel-tungsten alloy with gradient structure, preparation method and novel layered structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106756641B (en) | A kind of Fe based amorphous alloy powder and its preparation process | |
| CN101445946B (en) | Anticorrosive wearable electrodeposit clad layer of Ni-W-P ternary alloy and manufacturing technique and electroplate liquid thereof | |
| CN101665951B (en) | Process of preparing Ni-W-Fe-La nanocrystalline hydrogen evolution electrode material through pulse electrodeposition | |
| CN101717951B (en) | Cathode-catalyzed electrode producing method in coal electrolyzing, hydrogenizing and liquefying process | |
| CN112239874B (en) | Pure nickel or nickel-based alloy plating layer with nano twin crystal structure and electrodeposition preparation method thereof | |
| CN105063685B (en) | A kind of nickel plating copper material of nickel and cobalt containing alloy layer and its preparation method and application | |
| Yang et al. | Preparation of Ni-Co alloy foils by electrodeposition | |
| CN102703887A (en) | Nickel-copper alloy liquid for chemical plating and electroplating and method for preparing nickel-copper alloy noncrystalline-based composite coating | |
| CN110284166A (en) | A kind of electro-deposition method preparing foam nickel-molybdenum alloy | |
| CN105506693A (en) | Surface nickel coating grain size regulating method capable of improving corrosion resistance | |
| CN1676674A (en) | Method for preparing nickel-phosphor alloy base composite cladding containing nano particle | |
| CN102115898A (en) | Electro-deposition method for preparing bulk nano ferro-nickel alloy crystalline | |
| CN114921704B (en) | Cobalt-nickel-molybdenum based composite material, preparation method thereof, hydrogen evolution electrode based on cobalt-nickel-molybdenum based composite material and household appliance | |
| CN108866586B (en) | Electroplating solution for electrodepositing ferrochromium alloy in trivalent chromium system and preparation method thereof | |
| CN110484942B (en) | Ni-P-C-Si-W multi-element micron crystal coating, plating solution and preparation method thereof | |
| CN102321894A (en) | Method for preparing nickel-tungsten composite material with layered structure | |
| CN104846417A (en) | Method for preparing Ni/CeO2 composite hydrogen evolution electrode | |
| CN108220825A (en) | A kind of Ni based amorphous alloy powders and its preparation process | |
| CN114921820B (en) | Cobalt-nickel based composite material, preparation method thereof, hydrogen evolution electrode based on cobalt-nickel based composite material and household appliance | |
| CN114045509B (en) | Seawater electrolysis device with sodium ion conduction and application thereof | |
| CN109252196B (en) | Preparation of MnCo2O4Method for preparing micro-nano fiber | |
| CN102312257A (en) | Method for preparing nanocrystalline nickel-ferro-cobalt ternary alloy through pulse electrodeposition | |
| CN111286768B (en) | Nickel-cobalt-manganese-lanthanum alloy plating solution and preparation method and application thereof | |
| Jinping et al. | Electrochemical properties of pulse plating amorphous Ni-Mo-W alloy coating in alkaline medium | |
| CN110184631B (en) | Cyanide-free gold plating electroplating solution and preparation method and electroplating process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120118 |