CN103789591A - Magnesium alloy material for casting wheel hubs and preparation method thereof - Google Patents
Magnesium alloy material for casting wheel hubs and preparation method thereof Download PDFInfo
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- CN103789591A CN103789591A CN201410010504.1A CN201410010504A CN103789591A CN 103789591 A CN103789591 A CN 103789591A CN 201410010504 A CN201410010504 A CN 201410010504A CN 103789591 A CN103789591 A CN 103789591A
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Abstract
The invention provides a magnesium alloy material for casting wheel hubs. The magnesium alloy material comprises the following chemical elements by mass percent: 7.2-7.5% of aluminium, 0.2-0.5% of cerium, 0.02-0.05% of nickel, 0.06-0.08% of calcium, 0.5-0.6% of V, 0.06-0.09% of Zr, 0.2-0.4% of Li and the balance of magnesium. The magnesium alloy material has the beneficial effects that the elements such as aluminium, cerium, Zr and the like are added to the magnesium alloy; by reasonably controlling the treatment temperature after casting and putting alloy elements in batches, the alloy is uniform in crystallization, has high yield strength, high hardness, good impact and wear resistance, good thermal conductivity and light weight, and is resistant to corrosion; by using part of the waste magnesium alloy as the raw material, the alloy has more stable and uniform quality; the magnesium alloy is used for manufacturing wheel hubs, is durable in use and saves energy; a refining agent is used for casting production of the magnesium alloy, can reduce the porosity in castings by 1-2 degrees, has about two-grade oxide inclusions, and has high yield.
Description
Technical field
The present invention relates to magnesium alloy materials preparation field, relate in particular to a kind of casting hub magnesium alloy materials and preparation method thereof.
Background technology
Magnesium alloy is as the lightest engineering metal material, have advantages of that light specific gravity, specific tenacity and specific rigidity are high, damping and amortization and machinability is good, thermal conductivity is good, electromagnetic shielding ability is strong and damping property good and be easy to a series of uniquenesses such as recovery, be described as " green engineering materials in 21st century ".Magnesium alloy materials application has become the light-weighted important development direction of power truck.
Power truck at present much adopts aluminium alloy, and cost is higher, and weight is large, has wasted bauxite resource and electric energy, and aluminium alloy exists the problem that coating porosity degree is large, work-ing life is short.
Summary of the invention
The object of the present invention is to provide a kind of casting hub magnesium alloy materials and preparation method thereof, this magnesium alloy materials has that yield strength is high, hardness is high, wear resistance is good, corrosion-resistant, good, the lightweight advantage of thermal conductivity.
Technical scheme of the present invention is as follows:
A kind of casting hub magnesium alloy materials, is characterized in that: chemical element composition and mass percent thereof that it contains are: aluminium 7.2-7.5, cerium 0.2-0.5, nickel 0.02-0.05, calcium 0.06-0.08, V0.5-0.6, Zr0.06-0.09, Li0.2-0.4, surplus are magnesium.
The production method of magnesium alloy materials for described casting hub, is characterized in that:
(1), preparing pure magnesium ingot and waste magnesium alloy originates as magnesium matrix in 1:0.2-0.4 ratio, pure magnesium ingot is added to drop in stove and melt, carry out removing impurities matter, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add waste magnesium alloy fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) aluminium, Zr; (2) nickel, calcium; (3) other remaining components; The each batch of timed interval of dropping into element is 22-25 minute, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 230-240 ℃ by room temperature with 240-250 ℃/h of speed, insulation 40-50 minute, then be warming up to 410-420 ℃ with 240-250 ℃/h of speed, insulation 11-12 hour, be cooled to 100-120 ℃ with 70-90 ℃ of clear water again, then naturally cool to room temperature; Be warming up to 140-150 ℃ with 220-230 ℃/h of speed again, insulation 4-5 hour, takes out air cooling and get final product.
Described refining agent is made up of the raw material of following weight part: aluminium powder 12-15, Paris white 4-5, sodium carbonate 2-3, trees ashes 1-2, nano silicon 1-2, kaolin 8-10, celestite powder 1-2, jade powder 3-4, vermiculite power 4-5, sodium tetraborate 1-2; Its preparation method is that Paris white, kaolin, celestite powder, jade powder, vermiculite power are mixed, be heated to 1200-1300 ℃, stir 1-2 hour, after cooling, be added in the hydrochloric acid soln of 10-15%, soak 1-2 hour, filter, filter residue is cleaned with clear water repeatedly, dries, and merges and mixes and get final product with other composition.
Beneficial effect of the present invention
Magnesium alloy of the present invention has added the elements such as aluminium, cerium, Zr, by reasonable control casting post-processing temperature, throw in alloying element in batches, make alloy crystallization even, yield strength is high, hardness is high, shock-resistant, wear resistance good, corrosion-resistant, thermal conductivity good, and lightweight; Be raw material by using part waste magnesium alloy, make more stable uniform of alloy quality.The present invention is used for magnesium alloy in making wheel hub, durable in use, and save energy.Refining agent of the present invention is produced for magnesium alloy cast, can make the degree of porosity in foundry goods reduce 1-2 degree, and oxide inclusion is 2 grades of left and right, and yield rate is high.
Embodiment
A kind of casting hub magnesium alloy materials, chemical element composition and mass percent thereof that it contains are: aluminium 7.2-7.5, cerium 0.2-0.5, nickel 0.02-0.05, calcium 0.06-0.08, V0.5-0.6, Zr0.06-0.09, Li0.2-0.4, surplus are magnesium.
Described casting hub by the production method of magnesium alloy materials is:
(1), preparing pure magnesium ingot and waste magnesium alloy originates as magnesium matrix in 1:0.3 ratio, pure magnesium ingot is added to drop in stove and melt, carry out removing impurities matter, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add waste magnesium alloy fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) aluminium, Zr; (2) nickel, calcium; (3) other remaining components; The each batch of timed interval of dropping into element is 24 minutes, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 235 ℃ by room temperature with 245 ℃/h of speed, be incubated 45 minutes, then be warming up to 415 ℃ with 245 ℃/h of speed, be incubated 11 hours, then be cooled to 110 ℃ with 80 ℃ of clear water, then naturally cool to room temperature; Be warming up to 145 ℃ with 225 ℃/h of speed again, be incubated 4.5 hours, take out air cooling and get final product.
Described refining agent by following weight part (kilogram) raw material make: aluminium powder 12, Paris white 4, sodium carbonate 2, trees ashes 2, nano silicon 1, kaolin 8, celestite powder 2, jade powder 3, vermiculite power 4, sodium tetraborate 1; Its preparation method is that Paris white, kaolin, celestite powder, jade powder, vermiculite power are mixed, be heated to 1200-1300 ℃, stir 1-2 hour, after cooling, be added in the hydrochloric acid soln of 10-15%, soak 1-2 hour, filter, filter residue is cleaned with clear water repeatedly, dries, and merges and mixes and get final product with other composition.
The present embodiment casting hub with magnesium alloy materials after tested, under room temperature, tensile strength б b is 263Mpa, yield strength 175MPa, hardness value HB is 64, unit elongation δ 5 is 13.1%.
Claims (3)
1. a casting hub magnesium alloy materials, is characterized in that: chemical element composition and mass percent thereof that it contains are: aluminium 7.2-7.5, cerium 0.2-0.5, nickel 0.02-0.05, calcium 0.06-0.08, V0.5-0.6, Zr0.06-0.09, Li0.2-0.4, surplus are magnesium.
2. the production method of magnesium alloy materials for casting hub according to claim 1, is characterized in that:
(1), preparing pure magnesium ingot and waste magnesium alloy originates as magnesium matrix in 1:0.2-0.4 ratio, pure magnesium ingot is added to drop in stove and melt, carry out removing impurities matter, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add waste magnesium alloy fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) aluminium, Zr; (2) nickel, calcium; (3) other remaining components; The each batch of timed interval of dropping into element is 22-25 minute, after feeding intake, stirs.
3. the production method of magnesium alloy materials for casting hub according to claim 2, it is characterized in that: described casting postheat treatment is: be first warming up to 230-240 ℃ by room temperature with 240-250 ℃/h of speed, insulation 40-50 minute, be warming up to 410-420 ℃ with 240-250 ℃/h of speed again, insulation 11-12 hour, be cooled to 100-120 ℃ with 70-90 ℃ of clear water again, then naturally cool to room temperature; Be warming up to 140-150 ℃ with 220-230 ℃/h of speed again, insulation 4-5 hour, takes out air cooling and get final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410010504.1A CN103789591A (en) | 2014-01-09 | 2014-01-09 | Magnesium alloy material for casting wheel hubs and preparation method thereof |
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| CN201410010504.1A CN103789591A (en) | 2014-01-09 | 2014-01-09 | Magnesium alloy material for casting wheel hubs and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886865A (en) * | 2016-06-12 | 2016-08-24 | 马鞍山市三川机械制造有限公司 | Production process for novel material automobile hub |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2236639C (en) * | 1996-09-02 | 2002-11-05 | Honda Giken Kogyo Kabushiki Kaisha | Thixocast casting material, process for preparing thixocast semi-molten casting material, thixocasting process, fe-based cast product, and process for thermally treating fe-based cast product |
| CN1488772A (en) * | 2002-10-11 | 2004-04-14 | 株式会社日本制钢所 | Magnesium alloy with excellent fluidity and material thereof |
| CN101505891A (en) * | 2006-08-18 | 2009-08-12 | 镁工泰克有限公司 | Combination of casting process and alloy composition |
| CN102618758A (en) * | 2012-04-13 | 2012-08-01 | 江汉大学 | Cast magnesium alloy of low linear shrinkage |
-
2014
- 2014-01-09 CN CN201410010504.1A patent/CN103789591A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2236639C (en) * | 1996-09-02 | 2002-11-05 | Honda Giken Kogyo Kabushiki Kaisha | Thixocast casting material, process for preparing thixocast semi-molten casting material, thixocasting process, fe-based cast product, and process for thermally treating fe-based cast product |
| CN1488772A (en) * | 2002-10-11 | 2004-04-14 | 株式会社日本制钢所 | Magnesium alloy with excellent fluidity and material thereof |
| CN101505891A (en) * | 2006-08-18 | 2009-08-12 | 镁工泰克有限公司 | Combination of casting process and alloy composition |
| CN102618758A (en) * | 2012-04-13 | 2012-08-01 | 江汉大学 | Cast magnesium alloy of low linear shrinkage |
Non-Patent Citations (2)
| Title |
|---|
| 张超等: "微量钒对AZ91D镁合金纤维组织的影响", 《稀有金属材料与工程》, vol. 40, no. 7, 31 July 2011 (2011-07-31), pages 1174 - 1177 * |
| 饶启昌等: "耐磨材料热处理问题的探讨", 《水利电力机械》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886865A (en) * | 2016-06-12 | 2016-08-24 | 马鞍山市三川机械制造有限公司 | Production process for novel material automobile hub |
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