CN101353796A - Polishing solution for magnesium alloy - Google Patents
Polishing solution for magnesium alloy Download PDFInfo
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- CN101353796A CN101353796A CNA2007100253043A CN200710025304A CN101353796A CN 101353796 A CN101353796 A CN 101353796A CN A2007100253043 A CNA2007100253043 A CN A2007100253043A CN 200710025304 A CN200710025304 A CN 200710025304A CN 101353796 A CN101353796 A CN 101353796A
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- magnesium alloy
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Abstract
The invention provides a polishing solution applied to the magnesium alloy. The polishing solution comprises an abrasive, a strong oxidant, a pH regulator and deionized water; the components are as follows by weight percentage: 10 percent to 40 percent of the abrasive I, 0.1 percent to 3 percent of the strong oxidant, 1 percent to 10 percent of the pH regulator and the balance is deionized water. The polishing solution can be used for polishing treatment of magnesium-alloy surface, effectively improve surface finish of the magnesium alloy, effectively reduce surface scratch after polishing, and reduce surface roughness after polishing; simultaneously, polishing debris is dissolved in the polishing solution, the magnesium-alloy surface is easy to be cleaned, the polishing speed is rapid, the polishing solution has no harm to equipment, and the usage security is high.
Description
Technical field
The present invention relates to polishing fluid, relate in particular to a kind of used for magnesium alloy polishing fluid.
Background technology
Belonging to magnesium is the lightest metal with practical value that the mankind can make and exist in the air midium or long term.In recent years; the energy-saving and environmental protection notion worldwide warms up; magnesium waits excellent properties owing to it is in light weight, uses also fast development in industries such as automobile, space flight, aviation, casting, chemical industry electronics, communication, instrument, machinofacture, traffic, energy-accumulation material, building decoration, spheroidal graphite cast iron, sweetening agent, Grignard reagent, fireworks, military star shell and magnesium galvanic protection anticorrosion material magnesium alloy.Magnalium closes principal feature: the component with its die casting are frivolous, have surface-brightening, light weight, and the strength-weight ratio height, dimensional stability, shock absorption is good, rapid heat dissipation, characteristics such as antistatic.Main application: be widely used in high-grade household electrical appliance, make as this type of outer encirclements such as wall-hanging TV machine shell, notebook computer casing, communication electronic equipment casing, automobile zero, parts.The product made from this materials processing can 100% recycling, meet the environmental protection notion.Be poor flatness in to its course of processing, often occurs and scratch problems such as many, and these factors to be reacted directly into choosing of glossing and polishing material and influence the outer reason that develops rapidly of surrounding of magnesium alloy.At present, the problem that the used for magnesium alloy polishing fluid exists, the one, kind is single, and the 2nd, surface of polished is of poor quality, and scuffing is many, and the polishing chemical corrosion is excessive, can not satisfy the demand that magnesium alloy surrounds development outward.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming that currently available products exists, and provide the used for magnesium alloy polishing fluid, it can be used in the magnesium alloy polishing processing, effectively reduce the surface tear after magnesium alloy polishes, improve the surface finish after magnesium alloy polishes, can satisfy the outer needs that surround processing such as notebook computer casing, communication electronic equipment casing, precision component, and polishing speed is fast, polishing fluid is etching apparatus not, the safety performance height.
The objective of the invention is to realize by following technical scheme.
A kind of used for magnesium alloy polishing fluid of the present invention is characterized in that: comprise abrasive material, strong oxidizer, PH conditioning agent and deionized water; The shared weight percent of various components is: abrasive material I is 10% to 40%, and strong oxidizer is 0.1% to 3%, and the PH conditioning agent is 1% to 10%, and deionized water is a surplus.
Aforesaid a kind of used for magnesium alloy polishing fluid is characterized in that: described abrasive material is that particle diameter is 200 to 800nm silicon carbide.
Aforesaid a kind of used for magnesium alloy polishing fluid is characterized in that: described strong oxidizer is chromium trioxide, peroxide trisodium phosphate.
Aforesaid a kind of used for magnesium alloy polishing fluid is characterized in that: described pH value conditioning agent is a kind of in mineral acid, the organic acid or their combination.
Aforesaid a kind of used for magnesium alloy polishing fluid is characterized in that: described mineral acid is nitric acid, sulfuric acid; Described organic acid is a kind of in aliphatics organic acid, the aromatic organic acid or their combination.
Aforesaid a kind of used for magnesium alloy polishing fluid is characterized in that: described for the aliphatics organic acid be tartrate, oxalic acid, oxysuccinic acid, citric acid, xitix; Described aromatic organic acid is phenylformic acid, Whitfield's ointment, coffic acid.
The preparation method of aforesaid a kind of used for magnesium alloy polishing fluid is characterized in that, the abrasive material with required weight is mixed in the deionized water earlier, mixes all the other components that the back adds polishing fluid, continues fully to stir again, and mixes and promptly prepares the finished product polishing fluid.
The present invention is used for the beneficial effect of used for magnesium alloy polishing fluid, this polishing fluid uses the moderate silicon carbide of particle diameter as abrasive material, both in polishing process, increased the mechanical workout effect of knowing clearly, chemical corrosion excessively causes pit in the minimizing polishing, the roughness and the percent ripple of the aluminum alloy surface after the polishing are reduced, can also improve polishing speed greatly; In addition, having proposed strong oxidizer among the present invention especially cooperates the organic acid using method can effectively reduce the chemical corrosion of acid to Mg alloy surface, the generation of two-forty is to be finished by the acting in conjunction of strong oxidizer and abrasive material, and in the mineral acid and organic acid in dissolving of the abrasive dust after the polishing and the polishing fluid.
Embodiment
A kind of used for magnesium alloy polishing fluid of the present invention, it comprises abrasive material, strong oxidizer, PH conditioning agent and deionized water; The shared weight percent of various components is: abrasive material I is 10% to 40%, and strong oxidizer is 0.1% to 3%, and the PH conditioning agent is 1% to 10%, and deionized water is a surplus.
A kind of used for magnesium alloy polishing fluid of the present invention, its abrasive material are that particle diameter is 200 to 800nm silicon carbide. Strong oxidizer is chromium trioxide, peroxide trisodium phosphate; The pH value conditioning agent is mineral acid, organic acid or their combination; Mineral acid is nitric acid, sulfuric acid; Described organic acid is aliphatics organic acid, aromatic organic acid, the aliphatics organic acid be tartrate,, oxysuccinic acid, citric acid, xitix; Aromatic organic acid is phenylformic acid, Whitfield's ointment, coffic acid.
The preparation method of a kind of used for magnesium alloy polishing fluid of the present invention, the abrasive material with required weight is mixed in the deionized water earlier, mixes all the other components that the back adds polishing fluid, continues fully to stir again, and mixes and promptly prepares the finished product polishing fluid.
A kind of used for magnesium alloy polishing fluid of the present invention, use the moderate silicon carbide of particle diameter as abrasive material, both in polishing process, increased the mechanical workout effect of knowing clearly, chemical corrosion excessively causes pit in the minimizing polishing, the roughness and the percent ripple of the aluminum alloy surface after the polishing are reduced, can also improve polishing speed greatly.Having proposed strong oxidizer among the present invention especially cooperates the organic acid using method can effectively reduce the chemical corrosion of acid to Mg alloy surface, increase redox reaction, product after the oxidation is removed by abrasive material, the generation of two-forty is exactly to be finished by the acting in conjunction of strong oxidizer and abrasive material, and in the mineral acid and organic acid in dissolving of the abrasive dust after the polishing and the polishing fluid, it is more reasonable, effective to fill a prescription.
So the advantage that the present invention has is: (1), the moderate silicon carbide abrasive of particle diameter, enough mechanical grinding effects are provided, and improved polishing speed greatly; (2), add organic acid, reduce the add-on of mineral acid, reduce the pit that acid corrosion excessively causes in the polishing process to reach, improve planeness, the percent ripple of magnesium alloy; (3), strong oxidizer can with magnesium alloy generation redox reaction, the product after the oxidation is removed by the mechanical effect of abrasive material, the abrasive dust of going out is again by the acid dissolving, prescription more rationally, has effectively promoted polishing speed greatly.
Embodiment 1:
Take by weighing 36 gram 300nm silicon carbide, 2 gram chromium trioxides, 2 gram nitric acid, 5 gram oxalic acid and 55 gram deionized waters, standby.
Restrain the silicon carbide uniform dissolution in the deionized waters of 55 grams with 36 earlier, mix the back and add 2 gram chromium trioxides, 2 restrain nitric acid, and 5 gram oxalic acid continue fully to stir, and mixing promptly becomes polishing fluid finished product of the present invention.
Experiment effect is analyzed: utilize above-mentioned polishing fluid, dilute by 1: 20 with deionized water, use magnesium alloy polishing lathe, to aluminium alloy disc polishing 3 minutes, rinse well with deionized water the polishing back, detect surface waviness and scuffing under highlighted shot-light, surface reflection does not have obvious bending, and the surface does not have obviously scuffing; Detect surface finish with digital display spiral micrometer, the highest and lower-most point difference meets 20 microns with interior standard at 13 microns.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (7)
1, a kind of used for magnesium alloy polishing fluid is characterized in that: comprise abrasive material, strong oxidizer, PH conditioning agent and deionized water; The shared weight percent of various components is: abrasive material I is 10% to 40%, and strong oxidizer is 0.1% to 3%, and the PH conditioning agent is 1% to 10%, and deionized water is a surplus.
2, polishing solution for aluminum alloy according to claim 1 is characterized in that: described abrasive material is that particle diameter is 200 to 800nm silicon carbide.
3, polishing solution for aluminum alloy according to claim 1 is characterized in that: described strong oxidizer is chromium trioxide, peroxide trisodium phosphate.
4, polishing solution for aluminum alloy according to claim 1 is characterized in that: described pH value conditioning agent is a kind of in mineral acid, the organic acid or their combination.
5, polishing solution for aluminum alloy according to claim 1 is characterized in that: described mineral acid is nitric acid, sulfuric acid; Described organic acid is a kind of in aliphatics organic acid, the aromatic organic acid or their combination.
6, used for magnesium alloy polishing fluid according to claim 5 is characterized in that: described for the aliphatics organic acid be tartrate, oxalic acid, oxysuccinic acid, citric acid, xitix; Described aromatic organic acid is phenylformic acid, Whitfield's ointment, coffic acid.
7, the preparation method of polishing solution for aluminum alloy according to claim 1, it is characterized in that the abrasive material with required weight is mixed in the deionized water earlier, mix all the other components that the back adds polishing fluid, continue again fully to stir, mix and promptly prepare the finished product polishing fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100253043A CN101353796A (en) | 2007-07-23 | 2007-07-23 | Polishing solution for magnesium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100253043A CN101353796A (en) | 2007-07-23 | 2007-07-23 | Polishing solution for magnesium alloy |
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| Publication Number | Publication Date |
|---|---|
| CN101353796A true CN101353796A (en) | 2009-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100253043A Pending CN101353796A (en) | 2007-07-23 | 2007-07-23 | Polishing solution for magnesium alloy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674332A (en) * | 2015-03-23 | 2015-06-03 | 日照天一生物医疗科技有限公司 | Treatment liquid and treatment method of magnesium alloy stent |
| CN106783181A (en) * | 2016-12-28 | 2017-05-31 | 宁夏东方钽业股份有限公司 | A kind of tantalum shell and preparation method thereof and capacitor |
| JP2018172505A (en) * | 2017-03-31 | 2018-11-08 | 株式会社フジミインコーポレーテッド | Composition for polishing magnesium or magnesium alloy and grinding method using the same |
| CN109735851A (en) * | 2018-12-26 | 2019-05-10 | 河北超亚精密冲制电子有限公司 | A kind of method of pickling solution and removal punching parts inner surface residual punching press bits |
| CN111020591A (en) * | 2019-12-09 | 2020-04-17 | 怀化学院 | Preparation method of aluminum alloy with polished hydrophobic surface |
-
2007
- 2007-07-23 CN CNA2007100253043A patent/CN101353796A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674332A (en) * | 2015-03-23 | 2015-06-03 | 日照天一生物医疗科技有限公司 | Treatment liquid and treatment method of magnesium alloy stent |
| CN106783181A (en) * | 2016-12-28 | 2017-05-31 | 宁夏东方钽业股份有限公司 | A kind of tantalum shell and preparation method thereof and capacitor |
| JP2018172505A (en) * | 2017-03-31 | 2018-11-08 | 株式会社フジミインコーポレーテッド | Composition for polishing magnesium or magnesium alloy and grinding method using the same |
| CN109735851A (en) * | 2018-12-26 | 2019-05-10 | 河北超亚精密冲制电子有限公司 | A kind of method of pickling solution and removal punching parts inner surface residual punching press bits |
| CN111020591A (en) * | 2019-12-09 | 2020-04-17 | 怀化学院 | Preparation method of aluminum alloy with polished hydrophobic surface |
| CN111020591B (en) * | 2019-12-09 | 2021-05-04 | 怀化学院 | Preparation method of aluminum alloy with polished hydrophobic surface |
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Open date: 20090128 |