CN103966580B - A kind of magnesium borate crystal whisker strengthens the means of defence of AZ91 magnesium base composite material - Google Patents
A kind of magnesium borate crystal whisker strengthens the means of defence of AZ91 magnesium base composite material Download PDFInfo
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- CN103966580B CN103966580B CN201410232938.6A CN201410232938A CN103966580B CN 103966580 B CN103966580 B CN 103966580B CN 201410232938 A CN201410232938 A CN 201410232938A CN 103966580 B CN103966580 B CN 103966580B
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Abstract
The invention belongs to new material, salt lake chemical field technology, relate to a kind of means of defence of magnesium borate crystal whisker enhancing AZ91 magnesium base composite material. Preparation method of the present invention comprises the steps: 1) prepare solution 1 step; 2) magnesium base composite material chemical plating pre-treating technology; 3) prepare chemical plating nickel-silicon carbide solution step; 4) constant temperature after prepared step 3) solution water-bath is heated to 60 DEG C by chemical plating nickel-silicon carbide step, then puts into nickel plating solution by the magnesium base composite material of gained in step 2, adds while stirring carborundum plating. The present invention deposits fine and close, the good chemical deposit of adhesion on magnesium base composite material surface and exposed whisker, improve the corrosion resisting property of magnesium base composite material, solve preferably the corrosion-prone problem of magnesium base composite material, improved its external environment condition adaptive capacity. Material prepared by the inventive method both can, for aerospace field, can be used for again the electronic product industries such as automobile industry, mobile phone, computer, camera.
Description
Technical field
The present invention relates to field of new, salt lake chemical field technology, relate to a kind of magnesium borate crystal whisker and strengthen AZ91 magnesium baseThe means of defence of composite.
Background technology
Magnesium alloy has abundant reserves and many premium properties, but the application of magnesium is up to now still very limited.The one of the main reasons that causes this present situation is exactly the etching problem of magnesium alloy. Etching problem has greatly limited magnesium for a long timeThe extensive use of based composites in engineering field, is not in full use the performance of magnesium base composite material. Be on the one handThe trend that magnesium alloy demand increases, is but that the etching problem of magnesium alloy has restricted its application and development on the other hand, anti-corrosionProperty poor become the bottleneck that elicits latent faculties of restriction magnesium alloy. Reach 2,000 hundred million yuan in China because corroding the direct losses that cause, between comprisingConnect loss, total cost reaches 5,000 hundred million yuan, accounts for 5% of national economy total output value. Therefore, strengthen the corrosion resistance research of magnesium, activelyExplore and strengthen the corrosion proof approach of magnesium base composite material, exploitation has the magnesium base composite material of high corrosion resistance, for promoting magnesiumBased composites is as the application of structural material and to give full play to its performance advantage significant.
The magnesium base composite material that the present invention strengthens taking whisker, as matrix, strengthens magnesium base by the method for chemical plating at whisker compoundThe surface deposition nickel phosphorus-SiC composite coat of material. For magnesium alloy enterprise of Qinghai Province provides preparation high-performance and highly corrosion resistantProperty whisker strengthen magnesium base composite material theoretical foundation and technical support are provided.
Summary of the invention
The object of the invention is to develop a kind of means of defence of magnesium borate crystal whisker enhancing AZ91 magnesium base composite material. The partyMethod has simple to operate, and cost is low, and corrosion resistance and the service life etc. that can effectively improve magnesium base composite material are many excellentPoint.
A kind of magnesium borate crystal whisker of the present invention strengthens the means of defence of AZ91 magnesium base composite material, and described method comprises as followsStep:
1) preparation steps of chemical nickel plating pretreatment solution is by HF and H2SO4Mix, make solution 1; The volume proportion of the twoFor 2:1;
2) the pre-treating technology step of magnesium base composite material chemical nickel plating by magnesium base composite material through sand paper press 400#,After 600#, 1000#, the polishing of 1200# order, ultrasonic wave oil removing 15min in acetone; From being polished in the middle of each link of oil removingAdd water-washing step;
To after the magnesium base composite material washing after oil removing, put into step 1) solution, soak 15-30 second, after washing at rare sulphurIn acid, soak and activate for 20 seconds;
3) chemical plating nickel-silicon carbide solution preparation step is taking basic nickel carbonate as main salt, and inferior subunit sodium phosphate is reducing agent,Ammonium acid fluoride is stabilizing agent, and hydrogen fluoride and ammoniacal liquor regulate pH value, and natrium citricum is buffer preparation chemical nickel-plating solution; Its proportioningFor: 10～35g/L2NiCO3·3Ni(OH)2·4H2O，10～30g/LNaH2PO2·H2O，30mL/LNH4OH, pH value is5.0～8.0, temperature is 50～85 DEG C, 10mL/LHF, 5g/LNa3C6H5O7，10g/LNH4HF2；
4) constant temperature after prepared step 3) solution water-bath is heated to 60 DEG C by electroless nickel step, then by step 2) inThe magnesium base composite material of gained is put into nickel plating solution, adds while stirring carborundum 4-6g/L plating.
Means of defence that a kind of magnesium borate crystal whisker of the present invention strengthens AZ91 magnesium base composite material compared with prior artFollowing beneficial effect: dilute sulfuric acid that the present invention adopts to chemical plating before magnesium base composite material activate, can effectively improve magnesiumAdhesion between based composites and coating; The interpolation of silicon-carbide particle, can effectively improve cladding wearability energy; Chemical Ni-PCoating has the feature of good decay resistance and stronger chemical stability. The present invention organically combines three,The magnesium base composite material life-span can be effectively extended, the application of magnesium base composite material can be further expanded.
The means of defence of a kind of magnesium borate crystal whisker enhancing of the present invention AZ91 magnesium base composite material has simple to operate, costLow, can effectively improve the plurality of advantages such as corrosion resistance and service life of magnesium base composite material. Prepared by the inventive methodMaterial both can be for Aero-Space industry, also can be for industries such as automobile, mobile phone, computer, cameras.
The means of defence that a kind of magnesium borate crystal whisker of the present invention is strengthened to AZ91 magnesium base composite material below in conjunction with embodiment is doneFurther describe.
The means of defence that a kind of magnesium borate crystal whisker of the present invention strengthens AZ91 magnesium base composite material comprises the steps:
1) preparation steps of chemical nickel plating pretreatment solution is by HF and H2SO4Mix, make solution 1; The volume proportion of the twoFor 2:1;
2) the pre-treating technology step of magnesium base composite material chemical nickel plating by magnesium base composite material through sand paper press 400#,After 600#, 1000#, the polishing of 1200# order, ultrasonic wave oil removing 15min in acetone; From being polished in the middle of each link of oil removingAdd water-washing step;
To after the magnesium base composite material washing after oil removing, put into step 1) solution, soak 15-30 second, after washing at rare sulphurIn acid, soak and activate for 20 seconds;
3) chemical plating nickel-silicon carbide solution preparation step is taking basic nickel carbonate as main salt, and inferior subunit sodium phosphate is reducing agent,Ammonium acid fluoride is stabilizing agent, and hydrogen fluoride and ammoniacal liquor regulate pH value, and natrium citricum is buffer preparation chemical nickel-plating solution; Its proportioningFor: 10～35g/L2NiCO3·3Ni(OH)2·4H2O，10～30g/LNaH2PO2·H2O，30mL/LNH4OH, pH value is5.0～8.0, temperature is 50～85 DEG C, 10mL/LHF, 5g/LNa3C6H5O7，10g/LNH4HF2；
4) constant temperature after prepared step 3) solution water-bath is heated to 60 DEG C by electroless nickel step, then by step 2) inThe magnesium base composite material of gained is put into nickel plating solution, adds while stirring carborundum 4-6g/L plating.
Solution's solute described in step 1 is hydrofluoric acid and sulfuric acid, and hydrofluoric acid and dilute sulfuric acid concentration are 0.1mol/L.
Described activated solution is dilute sulfuric acid, and concentration is 0.1mol/L.
Described chemical nickel plating temperature is 60 DEG C of left and right.
Described chemical nickel plating-SiC composite coat, carborundum adopts the mode adding that stirs; Stir speed (S.S.) is with carbonizationSilicon is dispersed being advisable in nickel plating solution.
Embodiment 1.
Carry out the preparation of chemical nickel-plating solution according to general chemistry nickel plating technology, required medicine and consumption are as follows: 10～35g/L2NiCO3·3Ni(OH)2·4H2O，10～30g/LNaH2PO2·H2O，30mL/LNH4OH, pH value is 5.0～8.0, temperatureDegree is 50～85 DEG C, 10mL/LHF, 5g/LNa3C6H5O7，10g/LNH4HF2. The solution preparing is put into thermostatted waterIn bath, carry out heated constant temperature.
Cleaned magnesium base composite material is carried out to pre-treatment according to the step of polishing-washing-oil removing-washing-activation, putIn chemical plating solution, carry out plating. Add carborundum 4-6g/L micro mist simultaneously and stirred, equal in plating solution with carborundumEven be separated into suitable. 60 DEG C of platings 2 hours.
The magnesium base composite material that above-mentioned experiment is obtained is at observed under electron microscope, the fine and close zero defect of nickel-phosphorus coating, carbonSilicon carbide particle is dispersed on coating more uniformly; Coating is carried out in 3.5% sodium chloride solution to electro-chemical test, result shows:Coating corrosion potential is-0.523V, than the high nearly 0.7V of magnesium base composite material corrosion potential (1.214V). By thermal shock andFile experiment, coating does not have peeling or obscission, this show coating and magnesium base composite material basal body binding force good.
Claims (4)
1. magnesium borate crystal whisker strengthens a means of defence for AZ91 magnesium base composite material, it is characterized in that described method comprise asLower step:
1) preparation steps of chemical nickel plating pretreatment solution is by HF and H2SO4Mix, make solution 1; The volume ratio of the two is 2:1;
2) the pre-treating technology step of magnesium base composite material chemical nickel plating by magnesium base composite material through sand paper press 400#, 600#,After the polishing of 1000#, 1200# order, ultrasonic wave oil removing 15min in acetone; From being polished to middle the adding water of each link of oil removingWash step;
To after the magnesium base composite material washing after oil removing, put into step 1) solution, soak 15-30 second, after washing in dilute sulfuric acidSoak and activate for 20 seconds;
3) chemical plating nickel-silicon carbide solution preparation step is taking basic nickel carbonate as main salt, and inferior subunit sodium phosphate is reducing agent, fluoridizesHydrogen ammonium is stabilizing agent, and hydrogen fluoride and ammoniacal liquor regulate pH value, and natrium citricum is buffer preparation chemical nickel-plating solution; Its proportioning is:10～35g/L2NiCO3·3Ni(OH)2·4H2O，10～30g/LNaH2PO2·H2O，30mL/LNH4OH, pH value is 5.0～8.0, temperature is 50～85 DEG C, 10mL/LHF, 5g/LNa3C6H5O7，10g/LNH4HF2；
4) constant temperature after prepared step 3) solution water-bath is heated to 60 DEG C by electroless nickel step, then by step 2) middle gainedMagnesium base composite material put into nickel plating solution, add while stirring carborundum 4-6g/L plating.
2. magnesium borate crystal whisker according to claim 1 strengthens the means of defence of AZ91 magnesium base composite material, it is characterized in that:Solution's solute described in step 1 is hydrofluoric acid and sulfuric acid, and hydrofluoric acid and dilute sulfuric acid concentration are 0.1mol/L.
3. magnesium borate crystal whisker according to claim 1 strengthens the means of defence of AZ91 magnesium base composite material, it is characterized in that:Activated solution is dilute sulfuric acid, and concentration is 0.1mol/L.
4. magnesium borate crystal whisker according to claim 1 strengthens the means of defence of AZ91 magnesium base composite material, it is characterized in that:Chemical nickel plating-SiC composite coat, carborundum adopts the mode adding while stirring; Stir speed (S.S.) is molten in nickel plating with carborundumDispersed being advisable in liquid.
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| CN107761022B (en) * | 2017-09-28 | 2020-03-20 | 青海大学 | Mixed-phase reinforced magnesium-based composite material and preparation method thereof |
| CN108385041B (en) * | 2018-03-19 | 2019-12-03 | 武汉劲野科技有限公司 | A kind of particle and whisker reinforcement composite material of magnesium alloy and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1940133A (en) * | 2005-09-30 | 2007-04-04 | 佛山市顺德区汉达精密电子科技有限公司 | Method for chemically coating nickel by magnesium-alloy |
| CN101302614A (en) * | 2008-01-17 | 2008-11-12 | 中山大学 | Environment-protective plating solution for preparing high-hardness chemical plating Ni-P-SiC coating |
| CN101665930A (en) * | 2009-09-18 | 2010-03-10 | 重庆理工大学 | Magnesium alloy direct chemical plating NI-P-SiC plating solution formula and plating process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005256170A (en) * | 2004-02-12 | 2005-09-22 | National Institute Of Advanced Industrial & Technology | Electroless nickel plating method and plated product thereby |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1940133A (en) * | 2005-09-30 | 2007-04-04 | 佛山市顺德区汉达精密电子科技有限公司 | Method for chemically coating nickel by magnesium-alloy |
| CN101302614A (en) * | 2008-01-17 | 2008-11-12 | 中山大学 | Environment-protective plating solution for preparing high-hardness chemical plating Ni-P-SiC coating |
| CN101665930A (en) * | 2009-09-18 | 2010-03-10 | 重庆理工大学 | Magnesium alloy direct chemical plating NI-P-SiC plating solution formula and plating process |
Non-Patent Citations (2)
| Title |
|---|
| 李国华等.温度对AZ91D镁合金化学镀镍层结构和耐蚀性能的影响.《铸造技术》.2014,第35卷(第2期),第305-308页. * |
| 镁合金表面Ni-P-纳米SiC复合化学镀层的耐腐蚀性能;曾兵等;《材料保护》;20100731;第43卷(第7期);第5页"1试验" * |
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