CN102978503A - Inflammable sparking alloy and preparation method thereof - Google Patents
Inflammable sparking alloy and preparation method thereof Download PDFInfo
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- CN102978503A CN102978503A CN2012105468555A CN201210546855A CN102978503A CN 102978503 A CN102978503 A CN 102978503A CN 2012105468555 A CN2012105468555 A CN 2012105468555A CN 201210546855 A CN201210546855 A CN 201210546855A CN 102978503 A CN102978503 A CN 102978503A
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Abstract
The invention discloses an inflammable sparking alloy and a preparation method thereof. The inflammable sparking alloy contains 20 to 25 percent of lanthanum, 15 to 20 percent of cerium, 5 to 15 percent of tin, 35 to 45 percent of zinc, 1 to 5 percent of magnesium and 5 to 10 percent of iron. The preparation method sequentially comprises the following steps of: (1) weighing magnesium, cerium, tin, zinc, iron and magnesium serving as raw materials according to the mass percentage of each component in the inflammable sparking alloy, and cutting each component into small blocks; (2) putting the components into a smelting furnace together, and performing high-temperature smelting in a state of isolated oxygen; and (3) performing electromagnetic stirring and uniform mixing after the components are smelted, discharging, cooling ingots in the state of isolated oxygen, and thus obtaining the finished inflammable sparking alloy product. The inflammable sparking alloy product is stable in performance, low in ignition point and strong in abrasion resistance.
Description
Technical field
The invention belongs to the alloy preparation field, be specifically related to a kind of inflammable sparking alloy and preparation method thereof that can be used in industry and the daily life.
Background technology
The inflammable sparking alloy of rare earth is because its inflammable characteristic is widely used in industry and daily life, and in daily life, the inflammable sparking alloy of rare earth is mainly used in flint stone, is the important sources of lighter ignition.In defence and military, the inflammable sparking alloy of rare earth is processed into different elements, be respectively charged on the different weapons, can obtain satisfied munitions effect.As being used for tracer bullet in the weapon, bullet and shell draw core, portfire and other military applications etc.Other industrial aspect can be used for industrial gas lamp after sparking alloy is processed into element, geordie, welding gun lighter for ignition and torch ignitor etc.
The inflammable sparking alloy of traditional rare earth is generally synthetic by rare earth or mishmetal, iron, magnesium, copper etc., because the content of alloy rare earth elements is often more than 70%, so that the cost of alloy is very expensive; And very easily oxidation of rare earth element, the content in alloy is larger, because its oxidation is larger on the impact of quality product, reduces rare earth element and can not only reduce cost at the middle content of sparking alloy, also can improve the quality of products simultaneously; And rare earth resources is nonrenewable resources, and deposit in the world is limited, even China is the more country of content of rare earth, also is unable to undergo now a large amount of Development patternss of using rare earth resources; Therefore, seek the lower of new generation inflammable sparking alloy of a kind of content of rare earth and become development certainty.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide under a kind of prerequisite guaranteeing its performance, reduce the usage quantity of rare earth, reduce production costs, can be applicable to inflammable sparking alloy in industry and the daily life and preparation method thereof.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of inflammable sparking alloy, wherein: take the quality of this inflammable sparking alloy as benchmark, described inflammable sparking alloy contains 20～25% lanthanum, 15～20% cerium, 5～15% tin, 35～45% zinc, 5～10% iron and 1～5% magnesium.
Further preferred as each component concentration of inflammable sparking alloy of the present invention, take the quality of this inflammable sparking alloy as benchmark, described inflammable sparking alloy contains 22～25% lanthanum, 15～18% cerium, 7～13% tin, 38～42% zinc, 5～8% iron and 1～5% magnesium.
Further preferred as each component concentration of inflammable sparking alloy of the present invention, take the quality of this inflammable sparking alloy as benchmark, described inflammable sparking alloy contains 23% lanthanum, 17% cerium, 10% tin, 40% zinc, 7% iron and 3% magnesium.
A kind of method for preparing above-mentioned inflammable sparking alloy may further comprise the steps successively:
(1) mass percent of each component in inflammable sparking alloy according to inflammable sparking alloy takes by weighing raw material lanthanum, cerium, tin, zinc, iron and magnesium, then each component cut into fritter;
(2) each component is dropped in the smelting furnace together, then under the state of isolation oxygen, carry out high melt; (furnace temperature in the smelting furnace is up to more than 900 ℃.）
(3) after the fusing of each component, adopt induction stirring to mix, to come out of the stove, the ingot casting of lowering the temperature under the state of isolation oxygen can obtain the inflammable sparking alloy of finished product.
As further specifying of the method for preparing inflammable sparking alloy among the present invention, the inflammable sparking alloy of above-described finished product is take its quality as benchmark, contains 20～25% lanthanum, 15～20% cerium, 5～15% tin, 35～45% zinc, 5～10% iron and 1～5% magnesium.
As the further specifying of method of the inflammable sparking alloy of preparation among the present invention, the inflammable sparking alloy of above-described finished product is take its quality as benchmark, contains 23% lanthanum, 17% cerium, 10% tin, 40% zinc, 7% iron and 3% magnesium.
As further specifying of the method for preparing inflammable sparking alloy among the present invention, above-described raw material lanthanum, cerium, tin, zinc, iron, magnesium all adopt simple substance as the melting raw material.
As further specifying of the method for preparing inflammable sparking alloy among the present invention, the state of above-described isolation oxygen is vacuum state, or is in the state of protection of inert gas.
Lanthanum (La), the content of lanthanum in the earth's crust is 0.00183%, is the abundantest one of content in the rare earth element; There is ductility argenteous soft metal; The heating energy burning generates oxide compound and nitride; But alloyage also can be made catalyzer.
Cerium (Ce), the metal that grey is active is the highest a kind of of natural abundance in the lanthanide series metal, character is active; Can be used for making flint stone, pottery and alloy etc.
Tin (Sn), argenteous soft metal, proportion is 7.3, fusing point is low, only has 232 ℃; Chemical property is very stable, is difficult at normal temperatures being oxidized by oxygen, and is rich in malleability; Mainly for the manufacture of alloy, strengthen the wear resistance of alloy.
Zinc (Zn) is a kind of pearl opal metal.Density is 7.14 g/ccs, and fusing point is 419.5 ℃.At room temperature, property is more crisp; In the time of 100～150 ℃, deliquescing; After surpassing 200 ℃, become fragile again.The chemical property of zinc is active, and in the air at normal temperatures, the zinc subcarbonate film that Surface Creation one deck is thin and fine and close can stop further oxidation.After temperature reached 225 ℃, the zinc oxidation was fierce; Be mainly used in iron and steel, metallurgy, machinery, electric, chemical industry, light industry, military affairs and medicine and other fields.
Magnesium (Mg), argenteous metal, 1.738 g/ccs of density, 648.9 ℃ of fusing points, 1090 ℃ of boiling points; Be ductile, MAGNESIUM METAL is nonmagnetic, and good heat dissipation is arranged; Can be used for tobacco curing fire, flashlight powder, magnesium salts, vent fan, star shell etc.
The component lanthanum of inflammable sparking alloy, cerium mainly are to have played the effect that alloy is got angry in the present invention, and namely rare-earth elements of lanthanum, cerium can generate with tin, zinc, iron, magnesium etc. the intermetallic compound of low ignition point; Add the wear resistance that tin can fall low-alloyed fusing point and increase alloy; Add a small amount of magnesium and can strengthen the ignition quality of alloy; Part iron and zinc can also generate hard crisp FeZn compound, play the effect of putting forward heavy alloyed intensity, hardness; Zinc has preferably ductility as the matrix of alloy, can obviously put forward heavy alloyed erosion resistance, can also increase the density of alloy, has namely improved the extrusion processing performance of alloy.
Advantage of the present invention:
1. the rare earth usage quantity is few, only is half of traditional content, and production cost is low, and quality product is high.
2. product performance are stable, and according to detection, the alloy density (ρ) that uses prescription of the present invention and preparation method to produce is 7.0g/cm
3～7.9g/cm
3, 170～180 ℃ of burning-points (T), hardness (HV) 140～160, sparking rate 〉=98%.
3. burning-point is low, wear resistance is strong; Because the increase of tin, magnesium, zinc content, the fusing point of alloy, burning-point reduce, and ductility is good, and the corrosion resistance nature of alloy obviously is better than the inflammable sparking alloy of traditional rare earth.
Embodiment
The present invention is further described below in conjunction with embodiment, but do not limit protection scope of the present invention.
The content of each composition in the inflammable sparking alloy (finished product), unit: the %(weight percent):
| ? | Lanthanum | Cerium | Tin | Zinc | Magnesium | Iron |
| Embodiment 1 | 20 | 15 | 10 | 45 | 1 | 9 |
| Embodiment 2 | 25 | 20 | 5 | 35 | 5 | 10 |
| Embodiment 3 | 23 | 17 | 10 | 40 | 3 | 7 |
| Embodiment 4 | 22 | 15 | 15 | 40 | 3 | 5 |
| Embodiment 5 | 22 | 18 | 13 | 38 | 4 | 5 |
| Embodiment 6 | 25 | 18 | 7 | 42 | 2 | 6 |
| Embodiment 7 | 25 | 18 | 7 | 39 | 3 | 8 |
| Embodiment 8 | 23 | 16 | 10 | 40 | 4 | 7 |
| Embodiment 9 | 24 | 18 | 10 | 38 | 3 | 7 |
The preparation method of the inflammable sparking alloy of embodiment 1-5 may further comprise the steps:
(1) takes by weighing the raw material simple substance of the components such as lanthanum, cerium, tin, zinc, iron and magnesium according to the mass percent of each component in inflammable sparking alloy of inflammable sparking alloy, then each component is cut into fritter;
(2) each component is dropped in the smelting furnace together, then under vacuum state, carry out high melt;
(3) after the fusing of each component, adopt induction stirring to mix, to come out of the stove, the ingot casting of lowering the temperature under vacuum state can obtain the inflammable sparking alloy of finished product.
The preparation method of the inflammable sparking alloy of embodiment 6-9 may further comprise the steps:
(1) takes by weighing the raw material simple substance of the components such as lanthanum, cerium, tin, zinc, iron and magnesium according to the mass percent of each component in inflammable sparking alloy of inflammable sparking alloy, then each component is cut into fritter;
(2) each component is dropped in the smelting furnace together, then being under the state of protection of inert gas, carry out high melt;
(3) after each component fusing, adopt induction stirring to mix, come out of the stove, be in the ingot casting of lowering the temperature under the state of protection of inert gas, can obtain the inflammable sparking alloy of finished product.
The inflammable sparking alloy finished product product performance of embodiment 1-9 are stable, burning-point is low, wear resistance is strong.
Claims (8)
1. inflammable sparking alloy is characterized in that: take the quality of this inflammable sparking alloy as benchmark, described inflammable sparking alloy contains 20～25% lanthanum, 15～20% cerium, 5～15% tin, 35～45% zinc, 1～5% magnesium and 5～10% iron.
2. inflammable sparking alloy according to claim 1, it is characterized in that: take the quality of this inflammable sparking alloy as benchmark, described inflammable sparking alloy contains 22～25% lanthanum, 15～18% cerium, 7～13% tin, 38～42% zinc, 1～5% magnesium and 5～8% iron.
3. inflammable sparking alloy according to claim 1 is characterized in that: take the quality of this inflammable sparking alloy as benchmark, described inflammable sparking alloy contains 23% lanthanum, 17% cerium, 10% tin, 40% zinc, 3% magnesium and 7% iron.
4. method for preparing such as the arbitrary described inflammable sparking alloy of claim 1-3, it is characterized in that: the method may further comprise the steps successively:
(1) mass percent of each component in inflammable sparking alloy according to inflammable sparking alloy takes by weighing raw material lanthanum, cerium, tin, zinc, iron and magnesium, then each component cut into fritter;
(2) each component is dropped in the smelting furnace together, then under the state of isolation oxygen, carry out high melt;
(3) after the fusing of each component, adopt induction stirring to mix, to come out of the stove, the ingot casting of lowering the temperature under the state of isolation oxygen can obtain the inflammable sparking alloy of finished product.
5. the method for the inflammable sparking alloy of preparation according to claim 4, it is characterized in that: the inflammable sparking alloy of described finished product is take its quality as benchmark, contains 20～25% lanthanum, 15～20% cerium, 5～15% tin, 35～45% zinc, 1～5% magnesium and 5～10% iron.
6. the method for the inflammable sparking alloy of preparation according to claim 5 is characterized in that: the inflammable sparking alloy of described finished product is take its quality as benchmark, contains 23% lanthanum, 17% cerium, 10% tin, 40% zinc, 3% magnesium and 7% iron.
7. the method for the inflammable sparking alloy of preparation according to claim 4, it is characterized in that: described raw material lanthanum, cerium, tin, zinc, iron, magnesium all adopt simple substance as the melting raw material.
8. the method for the inflammable sparking alloy of preparation according to claim 4, it is characterized in that: the state of described isolation oxygen is vacuum state, or is in the state of protection of inert gas.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131244A (en) * | 2014-07-08 | 2014-11-05 | 太原科技大学 | Low burning point alloy ribbon and manufacturing method thereof |
| CN106834879A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of pyrophoric alloy of element containing praseodymium and preparation method thereof |
| CN106834860A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of pyrophoric alloy of neodymium element containing cerium and preparation method thereof |
| CN106834862A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of firestone of stable performance and preparation method thereof |
| CN106834861A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of lanthanum base firestone and preparation method thereof |
| CN106834859A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of cerium base firestone and preparation method thereof |
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| GB190908163A (en) * | 1909-04-05 | 1910-03-17 | Arthur George Bloxam | Improved Manufacture of Pyrophoric Masses. |
| US3894867A (en) * | 1974-01-09 | 1975-07-15 | Us Navy | Incendiary alloys existing as a dispersion of incendiary particles in a non-incendiary atmospheric attack-resistant matrix |
| CN102787257A (en) * | 2012-08-20 | 2012-11-21 | 梁建烈 | Novel mixed rare earth pyrophoric alloy and preparation method thereof |
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2012
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190908163A (en) * | 1909-04-05 | 1910-03-17 | Arthur George Bloxam | Improved Manufacture of Pyrophoric Masses. |
| US3894867A (en) * | 1974-01-09 | 1975-07-15 | Us Navy | Incendiary alloys existing as a dispersion of incendiary particles in a non-incendiary atmospheric attack-resistant matrix |
| CN102787257A (en) * | 2012-08-20 | 2012-11-21 | 梁建烈 | Novel mixed rare earth pyrophoric alloy and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131244A (en) * | 2014-07-08 | 2014-11-05 | 太原科技大学 | Low burning point alloy ribbon and manufacturing method thereof |
| CN106834879A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of pyrophoric alloy of element containing praseodymium and preparation method thereof |
| CN106834860A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of pyrophoric alloy of neodymium element containing cerium and preparation method thereof |
| CN106834862A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of firestone of stable performance and preparation method thereof |
| CN106834861A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of lanthanum base firestone and preparation method thereof |
| CN106834859A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of cerium base firestone and preparation method thereof |
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Inventor after: Wei Jiansong Inventor after: Xu Guohua Inventor after: Lu Lan Inventor after: Lu Ying Inventor after: Xie Meixuan Inventor after: Li Hongwei Inventor after: He Yigui Inventor before: Wei Jiansong Inventor before: Xu Guohua Inventor before: Lu Lan Inventor before: Lu Ying Inventor before: Xie Meixuan Inventor before: Li Hongwei |
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