CN103265751B - Corrosion-resistant alloy - Google Patents
Corrosion-resistant alloy Download PDFInfo
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- CN103265751B CN103265751B CN201310212547.3A CN201310212547A CN103265751B CN 103265751 B CN103265751 B CN 103265751B CN 201310212547 A CN201310212547 A CN 201310212547A CN 103265751 B CN103265751 B CN 103265751B
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- ethylene
- corrosion resisting
- tetrafluoroethylene copolymer
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- resisting alloy
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Abstract
The invention relates to a corrosion-resistant alloy, consisting of main components and auxiliary components, wherein the main components consist of the following components in percentage by mass: 32-38% of magnesium, 2-6% of molybdenum, 15-18% of lithium, 2-5% of cobalt, 18-23% of nickel and 2-5% of vanadium; and the auxiliary components consist of the following components in percentage by mass: 15-25% of ethylene-tetrafluoroethylene copolymer, and 1-2% of a lubricant. The corrosion-resistant alloy has good corrosion resistance.
Description
Technical field
The present invention relates to alloy field, be specifically related to a kind of corrosion resisting alloy, and preparation method thereof.
Background technology
A kind of novel high-performance plastic material that polyblend has grown up since being 90 years, have compared with the plastics that it and the macromolecule resin of chemosynthesis synthesize the cycle short, drop into little, technique is simple, cost is low, high performance advantage, the starting of Plastics in China alloy is more late, but demand is larger, the valuable product of import, processing is very inconvenient with maintenance, can not meet the demand of social every profession and trade development to polyblend far away.
Summary of the invention
[0003] the present invention is in order to overcome the above problems, and provides a kind of anti-corrosive alloy material that obtained by magnesium, lithium, cobalt, nickel founding, that have ethylene-tetrafluoroethylene copolymer protective membrane.
Technical scheme of the present invention is achieved in that
Corrosion resisting alloy, is characterized in that, described alloy is made up of main component and ancillary component, and described main component is composed of the following components according to mass percent is: magnesium 32-38%, molybdenum 2-6%, lithium 15-18%, cobalt 2-5%, nickel 18-23%, vanadium 2-5%; Ancillary component is composed of the following components according to mass percent: ethylene-tetrafluoroethylene copolymer 15%-25%, 1-2% lubricant, and the melt flow rate (MFR) of described ethylene-tetrafluoroethylene copolymer is 80g/min.
As preferably, described corrosion resisting alloy, is characterized in that, described lubricant is calcium stearate.
As preferably, the replaceable one-tenth polypropylene of described ethylene-tetrafluoroethylene copolymer.
As preferably, in preparation process, add the high temperature resistant binder of 1-2%, alloy product quick solidifying can be made, still, make refractoriness, folding strength improve greatly, wear resisting property strengthen, use range is wider.
As preferably, described corrosion resisting alloy, its preparation method comprises the steps:
1) according to mass percent: the proportioning of magnesium 32-38%, molybdenum 2-6%, lithium 15-18%, cobalt 2-5%, nickel 18-23%, vanadium 2-5% takes raw material, carry out vacuum intermediate-frequency induction melting, pour into a mould ingot casting, be milled into Nanoalloy powder;
(2) the Nanoalloy powder will prepared, with ethylene-tetrafluoroethylene copolymer 15%-25%, 1-2% mix lubricant, uses agitator to stir with the speed of 60 revs/min, within 30 minutes, obtains Nanoalloy powder-ethylene-tetrafluoroethylene copolymer mixed solution;
(3) by after above-mentioned mixed solution homogenizing cast ingot, add through machine, grinding or mould extruding, obtain the corrosion resisting alloy needing shape.
As preferably, the Nanoalloy powder-ethylene-tetrafluoroethylene copolymer mixed solution described in above-mentioned steps is at 270-285 DEG C, and keep taking out after temperature 0.5-1 hour, the alloy slice toughness obtained after cooling improves 30%, alloy luminance raising 1 times.
Corrosion resisting alloy of the present invention can be widely used in the industries such as oil, chemical industry, papermaking.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.In following embodiment, the content of each component is weight percentage except indicating especially
Embodiment 1
The preparation of 1.1 corrosion resisting alloys
1) according to mass percent: the proportioning of magnesium 34%, molybdenum 2%, lithium 15%, cobalt 4%, nickel 20%, vanadium 3% takes raw material, carry out vacuum intermediate-frequency induction melting, pour into a mould ingot casting, be milled into Nanoalloy powder;
(2) the Nanoalloy powder will prepared, with ethylene-tetrafluoroethylene copolymer 20%, 2% mix lubricant, uses agitator to stir with the speed of 60 revs/min, within 30 minutes, obtains Nanoalloy powder-ethylene-tetrafluoroethylene copolymer mixed solution;
(3) by after above-mentioned mixed solution homogenizing cast ingot, add through machine, grinding or mould extruding, obtain the corrosion resisting alloy needing shape.
The erosion resistance of 1.2 corrosion resisting alloys
1.2.1, experimental group and control group are set:
Experimental group: the corrosion resisting alloy that embodiment 1 prepares
Control group 1:VeraBond V alloy (AalbaDent company, the U.S.)
Control group 2: cochrome (AalbaDent company, the U.S.)
1.2.2 solution and measuring method is configured
Prepare pickling solution according to the method for ISO10271, namely in 300 mL distilled water, add (10.0 ± 0.1) g 90%C3H6O3(analytical pure) then and (5.85 ± 0.005) g NaCl is 2.3 solution dilution to (1 000 ± 10) mL, pH.
According to the standard of the corresponding 1 mL pickling solution of every square centimeter of alloy, in each Glass Containers, add 6.5 mL pickling solutions; Above-mentioned three groups of tested alloys are positioned in the vial of liquid feeding, close; Censorship is taken out place 7 d in the constant water bath box of 37 DEG C after; Inductive coupling plasma emission spectrograph (inductively coupled plasma atomicemission spectroscopy, ICP-AES) is adopted to measure the ionic concn of cobalt, nickel in each test tube.
| Tested group | Experimental group | Control group 1 | Control group 2 |
| Cobalt concentration g/l | 0 | （158.1±48.6）×10 -6 | （98.4±12.6）×10 -6 |
| Nickel concentration g/l | 0 | （75．5±36.9）×10 -6 | （56．3±43.7）×10 -6 |
Embodiment 2
Preparation method is identical with mode disclosed in embodiment 1, but the main component of alloy in the present embodiment is composed of the following components according to mass percent: magnesium 35%, molybdenum 2%, lithium 16%, cobalt 4%, nickel 20%, vanadium 3%; Ancillary component is composed of the following components according to mass percent: ethylene-tetrafluoroethylene copolymer 18%, calcium stearate 2%.
Embodiment 3
Preparation method is identical with mode disclosed in embodiment 1, but the main component of alloy in the present embodiment is composed of the following components according to mass percent: magnesium 32%, molybdenum 2%, lithium 15%, cobalt 4%, nickel 20%, vanadium 2%; Ancillary component is composed of the following components according to mass percent: ethylene-tetrafluoroethylene copolymer 24%, calcium stearate 1%.
The above; only to preferred embodiment of the present invention; not other forms of restriction is done to the present invention; any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equal change; every disengaging the present invention program content; according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and remodeling, all drop in protection scope of the present invention.
Claims (2)
1. a corrosion resisting alloy, is characterized in that, described alloy is made up of main component and ancillary component, and described main component is composed of the following components according to mass percent: magnesium 32-38%, molybdenum 2-6%, lithium 15-18%, cobalt 2-5%, nickel 18-23%, vanadium 2-5%; Ancillary component is composed of the following components according to mass percent: ethylene-tetrafluoroethylene copolymer 15%-25%, 1-2% lubricant, and the melt flow rate (MFR) of described ethylene-tetrafluoroethylene copolymer is 80g/min.
2. corrosion resisting alloy according to claim 1, is characterized in that, described lubricant is calcium stearate.
3. corrosion resisting alloy according to claim 1 and 2, is characterized in that, described main component is composed of the following components according to mass percent is: magnesium 34%, molybdenum 2%, lithium 15%, cobalt 4%, nickel 20%, vanadium 3%; Ancillary component is composed of the following components according to mass percent: ethylene-tetrafluoroethylene copolymer 20%, lubricant 2%.
4. corrosion resisting alloy according to claim 1 and 2, is characterized in that, preparation method comprises the steps:
(1) according to mass percent: the proportioning of magnesium 32-38%, molybdenum 2-6%, lithium 15-18%, cobalt 2-5%, nickel 18-23%, vanadium 2-5% takes raw material, carry out vacuum intermediate-frequency induction melting, pour into a mould ingot casting, be milled into Nanoalloy powder;
(2) the Nanoalloy powder will prepared, with ethylene-tetrafluoroethylene copolymer 15%-25%, 1-2% mix lubricant, uses agitator to stir with the speed of 60 revs/min, within 30 minutes, obtains Nanoalloy powder-ethylene-tetrafluoroethylene copolymer mixed solution;
(3) by after above-mentioned mixed solution homogenizing cast ingot, add through machine, grinding or mould extruding, obtain the corrosion resisting alloy needing shape.
5. the corrosion resisting alloy according to claim 1 or 2 or 3, is characterized in that, for oil, chemical industry, paper industry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212547.3A CN103265751B (en) | 2013-05-31 | 2013-05-31 | Corrosion-resistant alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212547.3A CN103265751B (en) | 2013-05-31 | 2013-05-31 | Corrosion-resistant alloy |
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| Publication Number | Publication Date |
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| CN103265751A CN103265751A (en) | 2013-08-28 |
| CN103265751B true CN103265751B (en) | 2015-04-29 |
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| CN109518060A (en) * | 2018-03-05 | 2019-03-26 | 巢湖市银环航标有限公司 | A kind of corrosion resistant anchor chain |
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| CN101235173B (en) * | 2008-02-22 | 2010-11-24 | 南京信息工程大学 | Magnesium particle macromolecule composite material and preparation method thereof |
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Granted publication date: 20150429 |