CN103205631A - A nickel-iron alloy material and a preparation method thereof - Google Patents
A nickel-iron alloy material and a preparation method thereof Download PDFInfo
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- CN103205631A CN103205631A CN2012100107832A CN201210010783A CN103205631A CN 103205631 A CN103205631 A CN 103205631A CN 2012100107832 A CN2012100107832 A CN 2012100107832A CN 201210010783 A CN201210010783 A CN 201210010783A CN 103205631 A CN103205631 A CN 103205631A
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Abstract
The invention discloses a nickel-iron alloy material and a preparation method thereof. The nickel-iron alloy material comprises two elements of an element nickel (Ni) and an element iron (Fe); and the mass percentage of each element is as follows: Ni: 30%-60%, and Fe: 40%-70%. In the preparation method for the nickel-iron alloy material, an electroforming method is adopted, a sulfate system is used as a electroforming solution, a metal anode is placed in the electroforming solution, and the nickel-iron alloy is deposited on a cathode; wherein the electroforming solution specifically includes: 180-260g / L nickel sulfate, 30-50g / L nickel chloride, 40-50g / L boric acid, and 15-45g / L ferrous sulfate. According to the present invention, the uniform nickel-iron alloy material with high hardness and high magnetism can be obtained; while the use amount of nickel can be reduced to save costs, and the burden of treatment of three wastes can be reduced.
Description
Technical field
The invention belongs to the component fabrication technical field, relate to a kind of Rhometal material; Simultaneously, the invention still further relates to above-mentioned Rhometal preparation methods.
Background technology
Rhometal is a kind of high-accuracy alloy, because its magnetic property is good, snappiness is good, and dense structure, has been widely used in the element in precision instrumentation, opticinstrument and the electronics.
Traditional Rhometal production method is to adopt the pyrometallurgical smelting nickel oxide ore, is divided at different reducing process: blast furnace reduction and reduction shaft furnace-electrosmelting-purifying method, directly electrosmelting-purifying method; Also have other a variety of preparation methods, as cold plastic deformation, spatter film forming, two roller quench etc.Yet compare with above-mentioned technology of preparing, electrocasting has the following advantages: deposition layer has unique high-density and low hole; Can also control the moiety of material by conditions such as parameter, solution composition are changed on the technology; Higher productivity and excellent economy are arranged, easily a large amount of preparation thin-film materials; The required equipment investment is relatively low.Therefore electrocasting is the most promising a kind of method of the thin Rhometal material of preparation.
At present, the electrodeposition technology of disclosed electroformed nickel iron alloy also has a lot of weak points, and is bigger than normal as concentration of metal ions, and production cost is higher, and electrolyte property is stable inadequately, and antioxidant property is lower, deposition layer hardness height, poor toughness.
In view of this, be necessary in fact to design a kind of usage quantity that reduces nickel, save cost, alleviate the Rhometal material of disposal of three wastes burden.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, one object of the present invention is to propose a kind of Rhometal material, can reduce the usage quantity of nickel, saves cost, alleviates disposal of three wastes burden.
Another object of the present invention is to propose above-mentioned Rhometal preparation methods, can make high rigidity, the uniform alloy material of high magnetic; Can reduce simultaneously the usage quantity of nickel, save cost, alleviate disposal of three wastes burden.
According to a kind of Rhometal material of the embodiment of the invention, comprise nickel element, two kinds of elements of iron Fe element; The mass percent of each element is: Ni:30%～60%, Fe:40%～70%.
According to a kind of above-mentioned Rhometal preparation methods of the embodiment of the invention, adopt electrocasting method, as electroforming solution, the metal anode and cathode places electroforming solution with sulfate system, and at the cathodic deposition Rhometal; Described electroforming solution specifically comprises: the boric acid of the single nickel salt of 180～260g/L, the nickelous chloride of 30～50g/L, 40～50 g/L, the ferrous sulfate of 15～45g/L.
Preferably, the negative plate of described metal anode and cathode is 304,306 or 430 stainless steel plates; The anode of described metal anode and cathode adopts the anode nickel block.
Preferably, described preparation method comprises the steps: water-washing step; Activation step; Water-washing step; The electroforming step; Reclaim water-washing step; Water-washing step; The demoulding step; Water-washing step; Baking step.
Preferably, described electroforming solution comprises the stablizer of following additive: 0.5～1ml/L, the wetting agent of 0.5～1ml/L, the agent that walks of 1～5ml/L.
Preferably, described preparation method's concrete electroforming process parameter is as follows: the pH value is 3.0～3.4; Temperature is 30～40 ℃; The cathode current density value is 1～3A/dm
2Plating speed is 15～25 μ m/h.
Preferably, described preparation method is provided with the anode baffle of control coating uniformity.
In preferred embodiment of the present invention, can obtain iron level at the alloy of 40%～70% scope, reduce the usage quantity of nickel, save cost, alleviate disposal of three wastes burden.Can access the big planar metal material similar to the Invar alloy physicals by electroforming process; Technology of the present invention can make the uniform alloy material of high rigidity, high magnetic.Simultaneously, the selection of cathode material is conducive to peel off; The selection of additive is conducive to guarantee high quality of materials (plate face outward appearance); The selection of operating procedure is conducive to guarantee good plate face outward appearance, defectives such as no pit, pin hole; Solution formula can guarantee that production efficiency is higher.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schema of Rhometal material preparation method according to an embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
The present invention discloses a kind of Rhometal material, comprises nickel element, iron Fe element; The mass percent of each element is: Ni:30%～60%, Fe:40%～70%.
This is disclosed above-mentioned Rhometal preparation methods simultaneously, adopts electrocasting method, and as electroforming solution, the metal anode and cathode places electroforming solution with sulfate system, and at the cathodic deposition Rhometal; The addition manner of iron is by ferrous sulfate being dissolved in the pure water, pouring in the electroforming solution after treating to dissolve fully.Described electroforming solution specifically comprises: the boric acid of the single nickel salt of 180～260g/L, the nickelous chloride of 30～50g/L, 40～50 g/L, the ferrous sulfate of 15～45g/L.Preferably, described electroforming solution comprises the stablizer of following additive: 0.5～1ml/L, the wetting agent of 0.5～1ml/L, the agent that walks of 1～5ml/L.Described preparation method's concrete electroforming process parameter is as follows: the pH value is 3.0～3.4; Temperature is 30～40 ℃; The cathode current density value is 1～3A/dm
2Plating speed is 15 ~ 25 μ m/h.
In one embodiment of the invention, the negative plate of described metal anode and cathode is 430 stainless steel plates; The anode of described metal anode and cathode adopts the anode nickel block.
In one embodiment of the invention, described preparation method comprises the steps: water-washing step; Activation step; Water-washing step; The electroforming step; Reclaim water-washing step; Water-washing step; The demoulding step; Water-washing step; Baking step.
See also Fig. 1, particularly, described preparation method specifically comprises the steps:
Prepare required electroformed nickel ferrous solution according to above-mentioned formulation of electroforming solution, it circulation is stirred, be heated to required temperature.
Choose 1.8mm or the thick core of 2.0mm of minute surface light, surperficial no marking, carry out pre-treating technology, comprise electrochemical deoiling, pickling, sandblast, ultrasonic embathing.
Before the electroforming, carry out activation treatment earlier, increase the bonding force between coating and core.Control soak time well, make it both to be not easy to come off, also easily peel off.
During electroforming, subsidiary conditions comprise the anode baffle that can improve coating uniformity, are used for reducing vibrations and the stirring of pin hole, alleviate the cycling time of coating fringing effect and the combination of intercycle time and flow.
Adjust ratio and the content of additive, make it surface quality good (free of pinholes, pit, coating light).
Control the electroforming parameter well, comprise temperature, pH, current density, Fe
2+/ Ni
2+Concentration ratio etc., be that the iron level of the material coating that comes out of electroforming reaches above-mentioned requirements.
In addition, described preparation method is provided with the anode baffle for the control coating uniformity.
The mechanism of electrodeposition of Fe-Ni alloy belongs to alloy " coprecipitated unusually ", and namely negative iron of current potential is separated out in cathodic reduction than nickel is preferential.According to the unusual codeposition theory of Fe-Ni alloy that Hiroaki proposes, think metal ion [M
2+: Fe
2+, Ni
2+] possibility of a step reduction is less, but proceed step by step, that is:
M
2++OH
- === MOH
+ (1)
MOH
++e === MOH
ad (2)
MOH
ad+e === M+OH
- (3)
During galvanic deposit, electrode surface pH value raises, and produces hydroxide ion FeOH simultaneously
+And NiOH
+, and through centre absorption complex compound MOH
AdDischarge precipitating metal atom M, the restriction of adsorbed product absorption position in the middle of its reduction reaction speed is subjected to.Because FeOH
+Dissociation constant (5.78 * 10
-8), compare NiOH
+(4.50 * 10
-5) much smaller, under identical pH value condition, FeOH
+Concentration be NiOH approximately
+1000 times, so NiOH
AdThe position that is adsorbed on the cathode surface is FeOH with part
AdOccupied, the deposition of nickel is suppressed.As seen the sediment-filled phase of iron wants fast for nickel in Fe-Ni alloy electrodeposition.Therefore can be by adjusting the Fe in the solution
2+Concentration is adjusted the content of iron in the Rhometal material.
In the description of this specification sheets, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (9)
1. a Rhometal material is characterized in that, comprises nickel element, iron Fe element, two kinds of elements; The mass percent of each element is: Ni:30%～60%, Fe:40%～70%.
2. the described Rhometal preparation methods of claim 1 is characterized in that, adopts electrocasting method, and as electroforming solution, the metal anode and cathode places electroforming solution with sulfate system, and at the cathodic deposition Rhometal;
Described electroforming solution specifically comprises: the boric acid of the single nickel salt of 180～260g/L, the nickelous chloride of 30～50g/L, 40～50 g/L, the ferrous sulfate of 15～45g/L.
3. preparation method according to claim 2 is characterized in that, the negative plate of described metal anode and cathode is 304,306 or 430 stainless steel plates.
4. preparation method according to claim 2 is characterized in that, the anode of described metal anode and cathode adopts the anode nickel block.
5. preparation method according to claim 2 is characterized in that, described preparation method comprises the steps: water-washing step; Activation step; Water-washing step; The electroforming step; Reclaim water-washing step; Water-washing step; The demoulding step; Water-washing step; Baking step.
6. preparation method according to claim 2 is characterized in that, described electroforming solution comprises the stablizer of following additive: 0.5～1ml/L, the wetting agent of 0.5～1ml/L, the agent that walks of 1～5ml/L.
7. preparation method according to claim 2 is characterized in that, described preparation method's concrete electroforming process parameter is as follows: the pH value is 3.0～3.4; Temperature is 30～40 ℃; The cathode current density value is 1～3A/dm
2Plating speed is 15 ~ 25 μ m/h.
8. preparation method according to claim 2 is characterized in that, described preparation method is provided with the anode baffle of control coating uniformity.
9. preparation method according to claim 2 is characterized in that, described preparation method specifically comprises the steps:
Prepare required electroformed nickel ferrous solution according to described formulation of electroforming solution, it circulation is stirred, be heated to required temperature;
Choose 1.8mm or the thick core of 2.0mm of minute surface light, surperficial no marking, carry out pre-treating technology, comprise electrochemical deoiling, pickling, sandblast, ultrasonic embathing;
Before the electroforming, carry out activation treatment earlier, increase the bonding force between coating and core, control soak time well, make it both to be not easy to come off, also easily peel off;
During electroforming, subsidiary conditions comprise the anode baffle that can improve coating uniformity, are used for reducing vibrations and the stirring of pin hole, alleviate the cycling time of coating fringing effect and the combination of intercycle time and flow;
Adjust ratio and the content of additive, it is good to make it surface quality;
Control the electroforming parameter well, comprise temperature, pH, current density, Fe
2+/ Ni
2+Concentration ratio etc., be that the iron level of the material coating that comes out of electroforming reaches above-mentioned requirements.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100107832A CN103205631A (en) | 2012-01-16 | 2012-01-16 | A nickel-iron alloy material and a preparation method thereof |
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|---|---|---|---|
| CN2012100107832A CN103205631A (en) | 2012-01-16 | 2012-01-16 | A nickel-iron alloy material and a preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436771A (en) * | 2013-08-23 | 2013-12-11 | 苏州长盛机电有限公司 | Ferro-nickel alloy material |
| CN105648323A (en) * | 2016-01-13 | 2016-06-08 | 铜陵百荣新型材料铸件有限公司 | Ferronickel material and preparation technique thereof |
| CN108559915A (en) * | 2018-05-16 | 2018-09-21 | 河南工程学院 | A kind of dilval and preparation method thereof |
| CN109234769A (en) * | 2018-10-09 | 2019-01-18 | 福建夜光达科技股份有限公司 | A kind of preparation method of ultra-thin metal layer |
| CN110724978A (en) * | 2018-07-17 | 2020-01-24 | 精工电子有限公司 | Electroformed component and timepiece |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002748A (en) * | 2010-12-09 | 2011-04-06 | 大连大学 | Method for preparing ferromagnetic nano composite material with pulse-ultrasound electrodeposition |
| CN102268703A (en) * | 2011-08-11 | 2011-12-07 | 中南大学 | Method for preparing iron-nickel or iron-nickel-chromium alloy foil and electrolyte used in same |
-
2012
- 2012-01-16 CN CN2012100107832A patent/CN103205631A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002748A (en) * | 2010-12-09 | 2011-04-06 | 大连大学 | Method for preparing ferromagnetic nano composite material with pulse-ultrasound electrodeposition |
| CN102268703A (en) * | 2011-08-11 | 2011-12-07 | 中南大学 | Method for preparing iron-nickel or iron-nickel-chromium alloy foil and electrolyte used in same |
Non-Patent Citations (1)
| Title |
|---|
| 刘仁志: "《现代电镀手册》", 31 May 2010, article "电镀工艺基础", pages: 161-162 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436771A (en) * | 2013-08-23 | 2013-12-11 | 苏州长盛机电有限公司 | Ferro-nickel alloy material |
| CN105648323A (en) * | 2016-01-13 | 2016-06-08 | 铜陵百荣新型材料铸件有限公司 | Ferronickel material and preparation technique thereof |
| CN108559915A (en) * | 2018-05-16 | 2018-09-21 | 河南工程学院 | A kind of dilval and preparation method thereof |
| CN108559915B (en) * | 2018-05-16 | 2019-10-11 | 河南工程学院 | A kind of dilval and preparation method thereof |
| CN110724978A (en) * | 2018-07-17 | 2020-01-24 | 精工电子有限公司 | Electroformed component and timepiece |
| CN109234769A (en) * | 2018-10-09 | 2019-01-18 | 福建夜光达科技股份有限公司 | A kind of preparation method of ultra-thin metal layer |
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