CN105002485B - A kind of composite phosphate coating solution formula for adapting to unimach plate drop stamping - Google Patents
A kind of composite phosphate coating solution formula for adapting to unimach plate drop stamping Download PDFInfo
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- CN105002485B CN105002485B CN201510517726.7A CN201510517726A CN105002485B CN 105002485 B CN105002485 B CN 105002485B CN 201510517726 A CN201510517726 A CN 201510517726A CN 105002485 B CN105002485 B CN 105002485B
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- CN
- China
- Prior art keywords
- phosphoric acid
- lithium
- calcium sulfate
- drop stamping
- ferrous
- 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.)
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Links
- 229910019142 PO4 Inorganic materials 0.000 title claims abstract description 21
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims abstract description 14
- 239000010452 phosphate Substances 0.000 title claims abstract description 14
- 239000011248 coating agent Substances 0.000 title claims description 10
- 238000000576 coating method Methods 0.000 title claims description 10
- 239000002131 composite material Substances 0.000 title claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 50
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims abstract description 27
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- AYMOKVDHVKHGNU-UHFFFAOYSA-L calcium lithium sulfate Chemical compound [Ca+2].S(=O)(=O)([O-])[O-].[Li+] AYMOKVDHVKHGNU-UHFFFAOYSA-L 0.000 claims abstract description 16
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052925 anhydrite Inorganic materials 0.000 claims abstract description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052493 LiFePO4 Inorganic materials 0.000 claims abstract description 6
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims abstract description 5
- 239000012153 distilled water Substances 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims abstract description 4
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 4
- 235000019837 monoammonium phosphate Nutrition 0.000 claims abstract description 4
- 235000021317 phosphate Nutrition 0.000 claims abstract 6
- -1 lithium ferrous phosphates Chemical class 0.000 claims abstract 3
- 230000002194 synthesizing effect Effects 0.000 claims abstract 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 235000011007 phosphoric acid Nutrition 0.000 claims 5
- GJYLKIZKRHDRER-UHFFFAOYSA-N calcium;sulfuric acid Chemical compound [Ca].OS(O)(=O)=O GJYLKIZKRHDRER-UHFFFAOYSA-N 0.000 claims 1
- 229940116007 ferrous phosphate Drugs 0.000 claims 1
- 229910000155 iron(II) phosphate Inorganic materials 0.000 claims 1
- SDEKDNPYZOERBP-UHFFFAOYSA-H iron(ii) phosphate Chemical compound [Fe+2].[Fe+2].[Fe+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O SDEKDNPYZOERBP-UHFFFAOYSA-H 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000007127 saponification reaction Methods 0.000 abstract description 4
- 238000004381 surface treatment Methods 0.000 abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000006356 dehydrogenation reaction Methods 0.000 abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000009472 formulation Methods 0.000 abstract description 2
- 238000009938 salting Methods 0.000 abstract description 2
- 210000002268 wool Anatomy 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 239000012266 salt solution Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910010710 LiFePO Inorganic materials 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910010951 LiH2 Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
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- Chemical Treatment Of Metals (AREA)
Abstract
The present invention relates to a kind of phosphate solution formulation art, the solution is especially adaptable to the phosphating process carried out before superhigh intensity degree steel plate material blank drop stamping, need to be surface-treated superhigh intensity degree steel plate material blank by compound phosphoric acid salting liquid, obtain the resistant to elevated temperatures compound phosphoric acid ferrous lithium calcium sulfate salt film of one layer of energy and be used to improve die life.Chemical composition ratio is provided according to invention, configures a kind of compound phosphoric acid ferrous lithium calcium sulfate salt surface treatment liquid for being adapted to superhigh intensity degree steel plate material drop stamping：Pass through iron oxide Fe first2O3, lithium hydroxide LiOHH2O, lithium hydroxide LiOHH2O, ammonium dihydrogen phosphate（NH4)2HPO4, carbon source C synthesizing lithium ferrous phosphates, secondly by calcium sulfate CaSO4Superfines, LiFePO 4 superfines LiFePO4, phosphoric acid H3PO4, and distilled water H2O, by mass for：（40‑60）：（10‑30）：（5‑10）：（808‑912）.Pending superhigh intensity degree steel wool blank is put into 55 ° 60 °C of phosphating solution, blank can obtain a kind of phosphating coat of Dark grey.Heating dehydrogenation process finally is carried out to blank, reduces the harm of hydrogen embrittlement.Saponification process is carried out, further enhances and is lubricated between drop stamping plate and mould.
Description
Technical field
The present invention relates to a kind of phosphate solution formulation art, the solution is especially adaptable to ultrahigh-strength steel plates material blank
The phosphating process carried out before drop stamping by compound phosphoric acid salting liquid to unimach plate blank, it is necessary to be carried out at surface
Reason, obtain the resistant to elevated temperatures compound phosphoric acid ferrous lithium-calcium sulfate salt film of one layer of energy and be used to improve die life.
Background technology
At present, the application handled by phosphating solution metal surface is very extensive, and twentieth century initial stage is due to instrument
The invention of steel and metal surface phosphating technology, the extruding of ferrous metal being realized, the extruding of ferrous metal is initially applied to military project,
Most typical product is cartridge case, the extruding of nineteen fifties ferrous metal start to be applied to it is civilian, at present in automobile
Parts manufacturing field is widely used.The technique of phosphate film is formed as realizing ferrous metal in workpiece surface
The key technology of extruding has obtained good application.Phosphatization is wherein carried out to metal surface for extruding the demand of industry very
Greatly, with the development of drop stamping technology, phosphatization is carried out to ferrous metal plate blank, then carries out hot press-formed to improve
Die life and workpiece surface quality.
Phosphating solution for being adapted to ferrous metal drop stamping, it is desirable to by phosphating solution phosphatization, phosphorus is formed in workpiece surface
Hydrochlorate film, film thickness are generally 10-15 μm, and coefficient of friction is 0.05 or so.The phosphate film formed, by tiny
Shape crystalline structure forms.It is required that this film layer it is relatively soft, it is heat-resisting, in cellular, there is very strong suction-operated to lubricant, and
There is certain plasticity, can be plastically deformed with workpiece.Therefore, the effect of phosphate coating is to isolate bed course between mould and workpiece,
Reduce mantle friction, improve die life.But because the phosphate coating prepared by traditional phosphating solution is commonly available to
Cold extrusion phosphate coating when operating temperature is higher than 200 °C generally starts to decompose.In recent years, the hot press-formed technology of appearance, energy
Enough quenching heat treatments realized while shaping to plate, improve the forming property of material, greatly expand high intensity superelevation
Strength steel auto parts application, for superhigh intensity drop stamping, general temperature be slightly less than superhigh intensity recrystallization temperature
Degree, as the drop stamping of steel more than 900 °C, at this moment phosphate coating is destroyed, and satisfaction can not be obtained in punching course
Lubrication, greatly reduce the life-span of mould.
Therefore, drop stamping is carried out, it is necessary to pass through compound phosphorus based on above-mentioned purpose, a kind of unimach provided by the invention
Ferrous silicate lithium-calcium sulfate salt solution is surface-treated to unimach plate blank, and it is resistant to elevated temperatures compound to obtain one layer of energy
LiFePO 4-calcium sulfate salt film, using this method formed compound phosphoric acid ferrous lithium-calcium sulfate salt film can high temperature resistant,
Compound phosphoric acid ferrous lithium-calcium sulfate salt film attachment workpiece ability is strong during plate blank, can greatly improve die life, has
There is highly important industrial application value.
The content of the invention
The purpose of patent of the present invention is：The technical deficiency decomposed for drop stamping phosphate coating, there is provided surface recombination phosphoric acid is sub-
Iron lithium-calcium sulfate salt film adhesive ability is strong, high temperature resistant is not decomposed, low production cost, non-pollution discharge, can be in conventional drop stamping
A kind of surface treatment method for being adapted to superhigh intensity steel hot of condition undertissue production, more traditional phosphoric acid zinc salt film
Being capable of high temperature resistant, the characteristics of stability is good.
The technical scheme of patent of the present invention is：The present invention is that a kind of compound phosphoric acid for being adapted to superhigh intensity steel hot is sub-
Iron lithium-calcium sulfate salt surface treatment method, it is as follows：
The present invention is adapted to compound phosphoric acid ferrous lithium-calcium sulfate salt solution of superhigh intensity steel hot, passes through first
Iron oxide Fe2O3, lithium hydroxide LiOHH2O, lithium hydroxide LiOHH2O, ammonium dihydrogen phosphate（NH4)2HPO4, carbon source C synthesis
LiFePO 4, its quality proportioning are：（159.68）：（65.88）：（115.03）：（254.11）：（12）, react as follows：
LiOH·H2O=（50-150 DEG C of heating）LiOH+H2O
(NH4)2HPO4=（50-210 DEG C of heating）2(NH)3+H3PO4
LiOH+H3PO4=（50-210 DEG C of heating）LiH2PO4+H2O
2LiH2PO4+Fe2O3+C= （480-900 DEG C of heating）2LiFePO4+2H2O+CO
Including calcium sulfate CaSO4Superfines, LiFePO 4 superfines LiFePO4, phosphoric acid H3PO4With distilled water H2O,
Its quality proportioning is：（40-60）：（10-30）：（5-10）：（808-912）.
Compound phosphoric acid ferrous lithium-calcium sulfate salt is LiFePO caused by the present invention4And CaSO4One layer of salt film, adapt to
In superhigh intensity steel hot.
Compound phosphoric acid ferrous lithium-calcium sulfate salt surface of the present invention for unimach plate blank drop stamping
The method of processing：
The first step：Plate blank after blanking is subjected to spheroidizing processing, heating-up temperature should be less than the material and recrystallize
3-4 hours are incubated below 50 °C of temperature；
Second step：Plate blank is carried out by bead 15Min by compressed air shotblasting machine, removes the tiny hair of plate blank surface
Thorn, strengthening surface quality；
3rd step：Pickling is carried out, pickling is carried out using 2% sulfuric acid solution；
4th step：Pending plate blank is put into 55 ° -60 °C of compound phosphoric acid ferrous lithium-calcium sulfate salt solution
Middle processing 5- 10Min；
5th step：Heating dehydrogenation process is carried out, reduces the harm of hydrogen embrittlement.
6th step：Saponification process is carried out, further enhances and is lubricated between plate blank blank and mould.
Compared with prior art, the invention has the advantages that：
（1）Suitable for superhigh intensity steel hot：The phosphatization composition of layer of acquisition is compound phosphoric acid ferrous lithium-calcium sulfate salt,
Typically just decomposed more than 1200 °C, can high temperature resistant regardless of solution, meet the requirement of superhigh intensity steel hot.
（2）Cost is cheap：The raw material of use are basic chemical industry product, cheap, meet large-scale industrial application
Requirement.
（3）It is easy to operate：The present invention can use traditional phosphatization saponification process to fill under the conditions of without big change
It is standby, it is easy to operate reliable.
（4）Phosphating time is short, effect is good：After blank uses calcium salt overlay film, film layer is soft, it is heat-resisting, in cellular, to lubricant
With very strong suction-operated, and there is certain plasticity, phosphating time is short, effect is good.
Embodiment
Highly preferred embodiment of the present invention is given below：
Plate blank after blanking is subjected to spheroidizing processing, heating-up temperature should be less than 50 °C of the material recrystallization temperature
It is incubated 3-4 hours below；Plate blank is carried out by bead 15Min by compressed air shotblasting machine, it is tiny to remove plate blank surface
Burr, strengthening surface quality；Pickling is carried out, pickling is carried out using 2% sulfuric acid solution；Chemical composition ratio is provided according to invention,
Configure a kind of compound phosphoric acid ferrous lithium-calcium sulfate salt surface treatment liquid for being adapted to superhigh intensity steel hot：Pass through oxygen first
Change iron Fe2O3, lithium hydroxide LiOHH2O, lithium hydroxide LiOHH2O, ammonium dihydrogen phosphate（NH4)2HPO4, carbon source C synthesis phosphorus
Ferrous silicate lithium, secondly it will include calcium sulfate CaSO4Superfines, LiFePO 4 superfines LiFePO4, phosphoric acid H3PO4, and
Distilled water H2O, its quality proportioning are：（40-60）：（10-30）：（5-10）：（808-912）.In the present embodiment, its quality is matched somebody with somebody
Than can select it is following any one：40：10：5:808；60:30:10:912；45:15:8:830；50:20:9:880.It will treat
The drop stamping plate blank of processing is put into 55 ° -60 °C of compound phosphoric acid ferrous lithium-calcium sulfate salt solution and handles 5-
10Min；Heating dehydrogenation process is carried out, reduces the harm of hydrogen embrittlement.Saponification process is carried out, further enhances plate blank blank and mould
Lubricated between tool.
Claims (1)
- A kind of 1. composite phosphate coating solution for adapting to unimach plate drop stamping, it is characterized in that passing through iron oxide first Fe2O3, lithium hydroxide LiOHH2O, ammonium dihydrogen phosphate（NH4)2HPO4, carbon source C synthesizing lithium ferrous phosphates, then will include sulfuric acid Calcium CaSO4Superfines, LiFePO 4 superfines LiFePO4, phosphoric acid H3PO4With distilled water H2O synthesis compound phosphoric acids are ferrous Lithium-calcium sulfate salt, the compound phosphoric acid ferrous lithium-calcium sulfate salt is by LiFePO4And CaSO4One layer of salt film of composition, adapt to Each composition proportion of composite phosphate coating solution of unimach plate drop stamping：Calcium sulfate CaSO4Superfines, ferrous phosphate Lithium superfines LiFePO4, phosphoric acid H3PO4With distilled water H2O, its quality proportioning are：（40-60）：（10-30）：（5-10）： （808-912）；The composite phosphate coating solution production for adapting to unimach plate drop stamping is a kind of compound phosphoric acid One layer of salt film of ferrous lithium-calcium sulfate salt, the composition are resistant to 1200 °C of high temperature, adapt to rush in unimach plate heat Pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510517726.7A CN105002485B (en) | 2015-08-22 | 2015-08-22 | A kind of composite phosphate coating solution formula for adapting to unimach plate drop stamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510517726.7A CN105002485B (en) | 2015-08-22 | 2015-08-22 | A kind of composite phosphate coating solution formula for adapting to unimach plate drop stamping |
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| Publication Number | Publication Date |
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| CN105002485A CN105002485A (en) | 2015-10-28 |
| CN105002485B true CN105002485B (en) | 2018-03-06 |
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| CN201510517726.7A Expired - Fee Related CN105002485B (en) | 2015-08-22 | 2015-08-22 | A kind of composite phosphate coating solution formula for adapting to unimach plate drop stamping |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956191A (en) * | 2010-11-08 | 2011-01-26 | 大连三达奥克化学股份有限公司 | Car cast aluminum alloy cylinder body and manganese black phosphating agent for piston and preparation method thereof |
| CN104250742A (en) * | 2013-06-28 | 2014-12-31 | 无锡洛社科技创业有限公司 | Phosphatization liquid for steel pipe cold rolling processing pretreatment |
| CN103643230B (en) * | 2013-12-07 | 2015-07-15 | 山东建筑大学 | Surface treatment method for composite sulfuric acid-phosphomycin calcium applicable to warm extrusion |
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