CN103756759B - The lubricant of the cold die forging of Mg-based hydrogen storage sheet metal - Google Patents
The lubricant of the cold die forging of Mg-based hydrogen storage sheet metal Download PDFInfo
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- CN103756759B CN103756759B CN201310702826.8A CN201310702826A CN103756759B CN 103756759 B CN103756759 B CN 103756759B CN 201310702826 A CN201310702826 A CN 201310702826A CN 103756759 B CN103756759 B CN 103756759B
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- lubricant
- hydrogen storage
- forging
- sheet metal
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Abstract
A lubricant for the cold die forging of Mg-based hydrogen storage sheet metal, adopts oil based on No. 68 total loss system oil, coordinates multiple composite additive, comprise oiliness improver, anti-wear agent, friction improver agent, oxidation inhibitor, kilfoam, auxiliary agent.The lubricant of the cold die forging of Mg-based hydrogen storage sheet metal of the present invention, oil film strength is high, can slow down the impact of metal fluid to mould; Lubricity is good, can reduce the adherent phenomenon of mould and forging, avoids forging to damage and extends die life; Reduce distorted area coefficient of interal friction simultaneously; Composition and stable performance; To metal and equipment corrosion-free; Nontoxicity, has no irritating odor.
Description
Technical field
The invention belongs to the field of lubricant of non-ferrous metal forging processing and lubrication, the especially cold die forging of Mg-based hydrogen storage sheet metal.
Background technology
Magnesium is one of light metal alloy that on the earth, reserves are the abundantest, argenteous metal, fusing point 648.9 DEG C.Boiling point 1090 DEG C.Valency+2, ionization energy 7.646 electron-volts, has ductility.The proportion of magnesium is 1.74g/cm
3, only have 2/3 of aluminium, 2/5 of titanium, 1/4 of steel; Magnesium alloy is lighter than aluminium alloy by 36%, lighter than zinc alloy by 73%, lighter than steel by 77%.Magnesium has specific tenacity, specific rigidity is high, and heat-conductivity conducting performance is good, and has good electromagnetic shielding, damping and amortization, damping, machinability and tooling cost is low, machining energy is only aluminium alloy 70% and be easy to the advantages such as recovery.
Magnesium alloy is that base adds other elementary composition alloys with magnesium.Be characterized in: the little (1.8g/cm of density
3left and right), specific tenacity is high, larger than Young's modulus, good heat dissipation, and shock absorbing is good, and the loading capacity that withstands shocks is larger than aluminium alloy, and the corrosive nature of resistance to organism and alkali is good.The specific tenacity of magnesium alloy higher than aluminium alloy and steel, a little less than the fibre reinforced plastics that specific tenacity is the highest; Specific rigidity is suitable with steel with aluminium alloy, far above fibre reinforced plastics; Wear resisting property is more much better than soft steel.Therefore, increasingly extensive application is just being obtained in fields such as automotive industry, communication electronics industry and aerospace.
Magnesium alloy belongs to inductile material, normally forges on pressing machine.Magnesium alloy forged starting material are mainly: ingot casting and extrusion blank.And the cold die forging course of processing, Mg-based hydrogen storage sheet metal material is mostly be out of shape under room temperature, can reduce the degree of oxidation of active metal.Because the travel speed of hydropress is slow, can ensure that Mg-based hydrogen storage sheet metal has higher plasticity when forging; Meanwhile, the travel speed of pressing machine is slow, the poor fluidity of magnesium alloy, and forging cools soon, is applicable to single impression die forging.Use the forging surface quality of Mg-based hydrogen storage sheet metal cold swaging technique processing good, dimensional precision is high, metal strengthening, metal structure can be made even, improve the mechanical property of part.
Summary of the invention
The technical problem to be solved in the present invention is to provide the lubricant of the cold die forging of a kind of Mg-based hydrogen storage sheet metal, and this lubricant oils film toughness is high, can slow down the impact of metal fluid to mould; Lubricity is good, can reduce the adherent phenomenon of mould and forging, avoids forging to damage and extends die life; Increase in distorted area simultaneously and reduce frictional coefficient; Composition and stable performance; To metal and equipment corrosion-free; Nontoxicity, has no irritating odor.
The present invention solves the problems of the technologies described above by following technical scheme: adopt oil based on No. 68 total loss system oil, coordinate multiple composite additive, its each component and mass percent are:
| Component | Content (mass percent) |
| Base oil | Surplus |
| Oiliness improver | 5.0%～15.0% |
| Anti-wear agent | 3.0%～8.0% |
| Friction improver | 5.0%～7.0% |
| Oxidation inhibitor | 0.6%～1.2% |
| Kilfoam | 0.005%～0.01% |
| Auxiliary agent | 5.0%～10.0% |
Base oil is No. 68 total loss system oil.
Oiliness improver is the butter of mass ratio 40% ~ 60% and the Viscotrol C compound of 60% ~ 40%.
Anti-wear agent is oxidized petroleum wax 42.
Friction improver is phosphoric acid ester.
Oxidation inhibitor is the 2,6 ditertiary butyl p cresol of mass ratio 40% ~ 60% and the fourth octyl diphenylamine compound of 60% ~ 40%.
Kilfoam is dimethyl silicone oil.
Auxiliary agent is neopentyl alcohol ester.
The lubricant of the cold die forging of Mg-based hydrogen storage sheet metal of the present invention, oil film strength is high, can slow down the impact of metal fluid to mould; Lubricity is good, can reduce the adherent phenomenon of mould and forging, avoids forging to damage and extends die life; Reduce distorted area coefficient of interal friction simultaneously; Composition and stable performance; To metal and equipment corrosion-free; Nontoxicity, has no irritating odor.
Embodiment
Embodiment 1:
Following component is in harmonious proportion by mass percentage and forms:
| Component | Content (mass percent) |
| No. 68 total loss system oil | 60.8% |
| The ox lard of mass ratio 40% and the Viscotrol C of 60% | 15.0% |
| Oxidized petroleum wax 42 | 8.0% |
| Phosphoric acid ester | 7.0% |
| Mass ratio 40%2,6-ditertbutylparacresol and 60% fourth octyl diphenylamine | 1.192% |
| Dimethyl silicone oil | 0.008% |
| Neopentyl alcohol ester | 8.0% |
Above component summation is 100%.
Embodiment 2:
Following component is in harmonious proportion by mass percentage and forms:
| Component | Content (mass percent) |
| No. 68 total loss system oil | 78.3% |
| The ox lard of mass ratio 60% and the Viscotrol C of 40% | 7.0% |
| Oxidized petroleum wax 42 | 4.0% |
| Phosphoric acid ester | 5.0% |
| Mass ratio 60%2,6-ditertbutylparacresol and 40% fourth octyl diphenylamine | 0.693% |
| Dimethyl silicone oil | 0.007% |
| Neopentyl alcohol ester | 5.0% |
Above component summation is 100%.
Embodiment 3:
Following component is in harmonious proportion by mass percentage and forms:
| Component | Content (mass percent) |
| No. 68 total loss system oil | 70.00% |
| The ox lard of mass ratio 50% and the Viscotrol C of 50% | 10.0% |
| Oxidized petroleum wax 42 | 6.0% |
| Phosphoric acid ester | 6.0% |
| Mass ratio 50%2,6-ditertbutylparacresol and 50% fourth octyl diphenylamine | 0.993% |
| Dimethyl silicone oil | 0.007% |
| Neopentyl alcohol ester | 7.0% |
Above component summation is 100%.
The main physical and chemical index of embodiment 1 product is:
| Project | Quality index |
| Moisture, % | Vestige |
| 40 DEG C of kinematic viscosity mm 2/s | 72.6 |
| Flash-point (opening) DEG C, | 200 |
| Mechanical impurity, % | Nothing |
| Last non seizure load (Pb), Kg | 108 |
| Pour point, DEG C, | -10 |
| Water soluble acid or alkali | Nothing |
| Corrosion test (copper sheet, 100 DEG C, 3h), level | 1 |
| Viscosity index, is not less than | 96 |
Claims (1)
1. a lubricant for the cold die forging of Mg-based hydrogen storage sheet metal, it is characterized in that oil based on employing No. 68 total loss system oil, coordinate multiple composite additive, its each component and mass percent are:
Wherein:
Oiliness improver is the butter of mass ratio 40% ~ 60% and the Viscotrol C compound of 60% ~ 40%;
Friction improver is phosphoric acid ester;
Oxidation inhibitor is the 2,6 ditertiary butyl p cresol of mass ratio 40% ~ 60% and the fourth octyl diphenylamine compound of 60% ~ 40%;
Kilfoam is dimethyl silicone oil;
Auxiliary agent is neopentyl alcohol ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310702826.8A CN103756759B (en) | 2013-12-18 | 2013-12-18 | The lubricant of the cold die forging of Mg-based hydrogen storage sheet metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310702826.8A CN103756759B (en) | 2013-12-18 | 2013-12-18 | The lubricant of the cold die forging of Mg-based hydrogen storage sheet metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103756759A CN103756759A (en) | 2014-04-30 |
| CN103756759B true CN103756759B (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310702826.8A Active CN103756759B (en) | 2013-12-18 | 2013-12-18 | The lubricant of the cold die forging of Mg-based hydrogen storage sheet metal |
Country Status (1)
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| CN (1) | CN103756759B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132092A (en) * | 2015-07-20 | 2015-12-09 | 广西大学 | Lubricant composition for Al-Mg alloy precision die forging |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2419732A1 (en) * | 2000-09-05 | 2002-03-14 | Nihon Parkerizing Co., Ltd. | Aqueous one step type lubricating agent for efficient cold forging |
| CN103421587B (en) * | 2013-08-26 | 2015-04-29 | 广西大学 | Magnesium and magnesium alloy sheet strip cold rolling lubricating agent |
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2013
- 2013-12-18 CN CN201310702826.8A patent/CN103756759B/en active Active
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| CN103756759A (en) | 2014-04-30 |
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