CN103882260A - Wear-resistant zinc alloy material and preparation method thereof - Google Patents
Wear-resistant zinc alloy material and preparation method thereof Download PDFInfo
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- CN103882260A CN103882260A CN201410063800.8A CN201410063800A CN103882260A CN 103882260 A CN103882260 A CN 103882260A CN 201410063800 A CN201410063800 A CN 201410063800A CN 103882260 A CN103882260 A CN 103882260A
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Abstract
The invention relates to a wear-resistant zinc alloy material which contains the following chemical components in percentage by mass: 12.6-13.8% of aluminum, 3.6-3.8% of magnesium, 2.1-2.3% of silicon, 4.2-4.4% of nickel, 0.2-0.4% of cerium, 0.15-0.25% of Y, 2.0-2.3% of Mo, 0.02-0.04% of Ga, 0.12-0.18% of In and the balance of zinc. The crystal structure of the alloy is denatured, so that the alloy coating can not easily shed, the friction factor is lowered, and the wear resistance is enhanced. By adding the magnesium, aluminum, nickel, Mo and other elements, the strength of the zinc alloy is increased, and the wear resistance is enhanced. The alloy has favorable processability, and can be processed into bearing bushes, shaft sleeves, worm gears, sliders, screw nuts and other series antiwear products. When the refining agent is used for casting production, the porosity in the casting is lowered by 1-2 degrees, the oxide inclusion content is lowered by 2 levels or so, and the yield is obviously enhanced.
Description
Technical field
The manufacture field that the present invention relates to metal alloy compositions, relates in particular to a kind of wear-resistant zinc alloy material and preparation method thereof.
Background technology
The excellent property of zinc alloy, has good casting property, the precision part of can die casting complex-shaped, thin-walled, and cast(ing) surface is smooth; Can carry out surface treatment: electroplate, spray, spray paint, polishing, grinding etc.; When fusing and die casting, do not inhale iron, do not corrode die mould, not sticking to mould; There are the plurality of advantages such as good normal temperature mechanical property and wear resistance, the alloy that is applied at present the serial antifriction products such as bearing shell, axle sleeve, worm gear, slide plate, screw needs higher wear resistance, but in actual production, often there is the problem of zinc alloy coated layer shelling, and wear resistance is also good not, damage parts is fast.
Summary of the invention
The object of the present invention is to provide a kind of wear-resistant zinc alloy material and preparation method thereof, this Cu alloy material has advantages of that intensity is high, wear resistance good.
Technical scheme of the present invention is as follows:
A kind of wear-resistant zinc alloy material, is characterized in that: chemical element composition and mass percent thereof that it contains are: aluminium 12.6-13.8, magnesium 3.6-3.8, silicon 2.1-2.3, nickel 4.2-4.4, cerium 0.2-0.4, Y 0.15-0.25, Mo2.0-2.3, Ga0.02-0.04, In0.12-0.18, surplus are zinc.
The production method of described wear-resistant zinc alloy material, is characterized in that:
(1), preparing pure zinc and useless zinc alloy originates as zinc-base matter in 1:0.4-0.7 ratio, pure zinc 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 useless zinc 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) silicon, cerium, Y; 2) aluminium; 3) nickel, magnesium; 4) other remaining components; The each batch of timed interval of dropping into element is 21-23 minute, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 260-270 ℃ by room temperature with 180-190 ℃/h of speed, insulation 40-60 minute, be warming up to 380-400 ℃ with 180-190 ℃/h of speed again, insulation 50-60 minute, be warming up to 610-620 ℃ with 180-190 ℃/h of speed again, insulation 1.5-2.5 hour; Be cooled to 80-100 ℃ with 80-90 ℃ of clear water, then naturally cool to room temperature; Be warming up to 260-270 ℃ with 200-210 ℃/h of speed again, insulation 40-60 minute, then be warming up to 380-400 ℃ with 200-210 ℃/h of speed, insulation 50-60 minute, then be warming up to 610-625 ℃ with 200-210 ℃/h of speed, insulation 2-3 hour; Be cooled to 80-100 ℃ with 80-90 ℃ of clear water, take out air cooling and get final product.
Described refining agent is made up of the raw material of following weight part: clay 10-12, lapis amiridis 3-4, aluminium nitride 5-6, kaolin 8-10, lazurite 1-2, trees ashes 1-2, aluminium hydroxide 8-10, jade powder 3-4, montmorillonite 1-2, Fluorspar Powder 3-4, Paris white 4-5, Bi
2o
32-3; Its preparation method is that clay, lapis amiridis, aluminium nitride, kaolin, lazurite, trees ashes, aluminium hydroxide, jade powder, montmorillonite are mixed, be heated to 2600-3000 ℃, 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
The present invention, by adding cerium, Y element, makes the sex change of zinc alloy crystal structure, makes alloy layer difficult drop-off, has also reduced frictional coefficient, has improved wear resistance; By adding the elements such as magnesium, aluminium, nickel, Mo, increase the intensity of zinc alloy, improve wear resistance, and the good processability of this alloy, can be processed into the serial antifriction products such as bearing shell, axle sleeve, worm gear, slide plate, screw.By reasonable control casting post-processing temperature, use useless zinc as raw material, make core hardness and surface hardness basically identical, alloy quality homogeneous.Refining agent of the present invention, for Foundry Production, can make the degree of porosity in foundry goods reduce 1-2 degree, and oxide inclusion, 2 grades of left and right, obviously improves yield rate.
Embodiment
A kind of wear-resistant zinc alloy material, chemical element composition and mass percent thereof that it contains are: aluminium 12.6-13.8, magnesium 3.6-3.8, silicon 2.1-2.3, nickel 4.2-4.4, cerium 0.2-0.4, Y 0.15-0.25, Mo2.0-2.3, Ga0.02-0.04, In0.12-0.18, surplus are zinc.
The production method of described wear-resistant zinc alloy material is as follows:
(1), preparing pure zinc and useless zinc alloy originates as zinc-base matter in 1:0.5 ratio, pure zinc 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 useless zinc 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) silicon, cerium, Y; 2) aluminium; 3) nickel, magnesium; 4) other remaining components; The each batch of timed interval of dropping into element is 22 minutes, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 265 ℃ by room temperature with 185 ℃/h of speed, be incubated 50 minutes, then be warming up to 390 ℃ with 185 ℃/h of speed, be incubated 55 minutes, then be warming up to 615 ℃ with 185 ℃/h of speed, be incubated 2 hours; Be cooled to 90 ℃ with 85 ℃ of clear water, then naturally cool to room temperature; Be warming up to 265 ℃ with 205 ℃/h of speed again, be incubated 50 minutes, then be warming up to 390 ℃ with 205 ℃/h of speed, be incubated 55 minutes, then be warming up to 616 ℃ with 205 ℃/h of speed, be incubated 2.5 hours; Be cooled to 90 ℃ with 85 ℃ of clear water, take out air cooling and get final product.
Described refining agent by following weight part (kilogram) raw material make: clay 10, lapis amiridis 4, aluminium nitride 5, kaolin 8, lazurite 1, trees ashes 2, aluminium hydroxide 8, jade powder 4, montmorillonite 1, Fluorspar Powder 4, Paris white 4, Bi
2o
33; Its preparation method is that clay, lapis amiridis, aluminium nitride, kaolin, lazurite, trees ashes, aluminium hydroxide, jade powder, montmorillonite are mixed, be heated to 2600-3000 ℃, 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 wear-resistant zinc alloy material, tensile strength б b is 320Mpa, hardness value HB is 95, impelling strength (J/cm
2) 39.
Claims (4)
1. a wear-resistant zinc alloy material, is characterized in that: chemical element composition and mass percent thereof that it contains are: aluminium 12.6-13.8, magnesium 3.6-3.8, silicon 2.1-2.3, nickel 4.2-4.4, cerium 0.2-0.4, Y 0.15-0.25, Mo2.0-2.3, Ga0.02-0.04, In0.12-0.18, surplus are zinc.
2. the production method of wear-resistant zinc alloy material according to claim 1, is characterized in that:
(1), preparing pure zinc and useless zinc alloy originates as zinc-base matter in 1:0.4-0.7 ratio, pure zinc 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 useless zinc 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) silicon, cerium, Y; 2) aluminium; 3) nickel, magnesium; 4) other remaining components; The each batch of timed interval of dropping into element is 21-23 minute, after feeding intake, stirs.
3. the production method of wear-resistant zinc alloy material according to claim 2, it is characterized in that: described casting postheat treatment is: be first warming up to 260-270 ℃ by room temperature with 180-190 ℃/h of speed, insulation 40-60 minute, be warming up to 380-400 ℃ with 180-190 ℃/h of speed again, insulation 50-60 minute, be warming up to 610-620 ℃ with 180-190 ℃/h of speed again, insulation 1.5-2.5 hour; Be cooled to 80-100 ℃ with 80-90 ℃ of clear water, then naturally cool to room temperature; Be warming up to 260-270 ℃ with 200-210 ℃/h of speed again, insulation 40-60 minute, then be warming up to 380-400 ℃ with 200-210 ℃/h of speed, insulation 50-60 minute, then be warming up to 610-625 ℃ with 200-210 ℃/h of speed, insulation 2-3 hour; Be cooled to 80-100 ℃ with 80-90 ℃ of clear water, take out air cooling and get final product.
4. the production method of wear-resistant zinc alloy material according to claim 2, is characterized in that: described refining agent is made up of the raw material of following weight part: clay 10-12, lapis amiridis 3-4, aluminium nitride 5-6, kaolin 8-10, lazurite 1-2, trees ashes 1-2, aluminium hydroxide 8-10, jade powder 3-4, montmorillonite 1-2, Fluorspar Powder 3-4, Paris white 4-5, Bi
2o
32-3; Its preparation method is that clay, lapis amiridis, aluminium nitride, kaolin, lazurite, trees ashes, aluminium hydroxide, jade powder, montmorillonite are mixed, be heated to 2600-3000 ℃, 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.
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| CN201410063800.8A CN103882260A (en) | 2014-02-25 | 2014-02-25 | Wear-resistant zinc alloy material and preparation method thereof |
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| CN201410063800.8A CN103882260A (en) | 2014-02-25 | 2014-02-25 | Wear-resistant zinc alloy material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179321A (en) * | 2017-12-31 | 2018-06-19 | 广德亚太铸造有限公司 | A kind of metal brake pan coating zinc alloy material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067176A (en) * | 2007-06-07 | 2007-11-07 | 盛纯乐 | Strength antivibrating wear resisting alloy |
| CN101405421A (en) * | 2006-03-20 | 2009-04-08 | 新日本制铁株式会社 | Highly corrosion-resistant hot dip galvanized steel stock |
| CN102051540A (en) * | 2011-01-14 | 2011-05-11 | 南京信息工程大学 | Wear resistant zinc alloy material and preparation method thereof |
| CN103484723A (en) * | 2013-09-30 | 2014-01-01 | 苏州利达铸造有限公司 | Zinc alloy bearing |
-
2014
- 2014-02-25 CN CN201410063800.8A patent/CN103882260A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101405421A (en) * | 2006-03-20 | 2009-04-08 | 新日本制铁株式会社 | Highly corrosion-resistant hot dip galvanized steel stock |
| CN101067176A (en) * | 2007-06-07 | 2007-11-07 | 盛纯乐 | Strength antivibrating wear resisting alloy |
| CN102051540A (en) * | 2011-01-14 | 2011-05-11 | 南京信息工程大学 | Wear resistant zinc alloy material and preparation method thereof |
| CN103484723A (en) * | 2013-09-30 | 2014-01-01 | 苏州利达铸造有限公司 | Zinc alloy bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179321A (en) * | 2017-12-31 | 2018-06-19 | 广德亚太铸造有限公司 | A kind of metal brake pan coating zinc alloy material |
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Application publication date: 20140625 |