CN108099482B - Electric vehicle wheel - Google Patents
Electric vehicle wheel Download PDFInfo
- Publication number
- CN108099482B CN108099482B CN201711410204.2A CN201711410204A CN108099482B CN 108099482 B CN108099482 B CN 108099482B CN 201711410204 A CN201711410204 A CN 201711410204A CN 108099482 B CN108099482 B CN 108099482B
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- CN
- China
- Prior art keywords
- parts
- rim
- temperature
- spoke
- titanium alloy
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/06—Disc wheels, i.e. wheels with load-supporting disc body formed by casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/202—Shaping by casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/208—Shaping by forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/10—Metallic materials
- B60B2360/108—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/10—Metallic materials
- B60B2360/109—Bronze
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemically Coating (AREA)
- Forging (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
An electric vehicle wheel comprises a wheel hub and a tire arranged on the wheel hub, wherein the tire is made of a composite rubber material, the wheel hub comprises a copper alloy spoke and a titanium alloy rim which can be disassembled, the outer end of the spoke is detachably connected with the outer end face of the rim, the strength of the screw type rim can be guaranteed by adopting titanium alloy and multi-pass spinning steps, the heat dissipation effect is very good, the braking performance is enhanced, the service life of the tire is prolonged, and the safe driving of an automobile is effectively guaranteed; 5) the electrogalvanizing of the rim surface and the used electrogalvanizing solution ensure the service life and ensure the firm combination of the plating layer and the alloy.
Description
Technical Field
The invention relates to an electric vehicle wheel, and belongs to the technical field of electric vehicle wheels.
Background
Various cars pass through the wheel rotation and go, the wheel is by the tire, the rim, the spoke, wheel hub constitutes, the wheel can produce the resistance with air friction at the rotation in-process, in order to reduce the resistance, often can cover the spoke is whole, the resistance has reduced like this, but when strong crosswind, still can produce stronger resistance, produce very strong yawing force because the spoke is covered entirely simultaneously, influence the steady and safety of going of car, increase the loss such as oil electricity of car, various electric motor cars because do not have sufficient electric quantity and break down midway.
Disclosure of Invention
An electric vehicle wheel comprises a wheel hub and a tire arranged on the wheel hub, wherein the tire is made of a composite rubber material, the wheel hub comprises a copper alloy spoke and a titanium alloy rim which can be split, the spoke comprises a plurality of spokes which are scattered and uniformly distributed in a radiation manner, a center hole is formed in the center of the spoke, a plurality of mounting holes are uniformly distributed around the center hole, the outer ends of the spokes are detachably connected with the outer end face of the rim, the surface of the rim is coated with an electro-galvanized layer,
the composite rubber material comprises the following components in parts by mass: 50 parts of natural rubber, 10-20 parts of butadiene styrene rubber, 5-10 parts of butadiene rubber, 5 parts of epoxy octyl stearate, 3 parts of paraffin, 2 parts of peroxyacetic acid, 2 parts of isooctyl oleate, 1 part of stearic acid and 5 parts of nano silicon dioxide,
the copper alloy spoke comprises the following elements in percentage by mass: 6-7% of Ni, 4-5% of Al, 2-3% of Zr, 1-2% of W, 0.8-0.9% of Cr0.5-0.6% of Sn, 0.3-0.4% of Mo, 0.2-0.3% of Ag, 0.06-0.07% of Ca, 0.05-0.06% of Co, 0.02-0.03% of Mg, and the balance of Cu, melting a copper alloy, preserving heat for 15 minutes, and then preheating a mold; casting to form a spoke rough blank, keeping the temperature at 550-560 ℃ after casting for 1 hour, processing a central hole and a mounting hole after cooling, heating the workpiece to 820-830 ℃ for 20 minutes, quenching, reheating the workpiece to 450-460 ℃ and keeping the temperature for 3 hours.
The titanium alloy wheel rim comprises the following elements in percentage by mass: 5-6% of Mo, 3-4% of V, 2-3% of Nb, 1-2% of Cr, 0.6-0.7% of Cu0.3-0.4% of Bi, 0.2-0.3% of Al, 0.05-0.06% of B, 0.03-0.04% of Ag, 0.02-0.03% of Sc, 0.02-0.03% of Ce and the balance of Ti, preparing titanium alloy required by a titanium alloy rim, heating a titanium alloy blank to 1370-1380 ℃, and forging the blank by using a forging press of 750 tons; then the temperature is controlled at 1340-1350 ℃ and is preserved for 20 minutes, then the extrusion is carried out, then the temperature is preserved at 950-960 ℃ for 1 hour, the flaring is carried out on the material placed on a flaring press, then the spinning processing is carried out on a spinning machine, and the first spinning temperature is kept at 940-950 ℃; the rotating speed of the main shaft reaches 2.7 revolutions per second, the feeding ratio is 0.6mm per second, and the second-pass spinning temperature is kept at 900-; the rotating speed of the main shaft reaches 2 revolutions per second, the feeding ratio is 0.8mm per second, and the temperature of the third spinning is kept at 870-880 ℃; the rotation speed of the main shaft reaches 1.5 revolutions per second, the feeding ratio is 1mm per second, then the surface of the rim is pretreated and then electrogalvanizing is carried out in electrogalvanizing liquid, and the electrogalvanizing temperature is as follows: 30 ℃, electroplating time of 70min, current density: 1.5A/dm 2, rinsing in hot water at 40 ℃ for 30s, performing heat treatment in a heating furnace at 50 ℃ for 15min, reducing the temperature to 45 ℃ for 10min, and performing heat treatment on the electrogalvanizing solution for 10min, wherein the electrogalvanizing solution comprises the following components in parts by mass: 10-15 parts of zinc chloride, 8-9 parts of zinc sulfate, 7-8 parts of cerium chloride, 5 parts of potassium chloride, 5 parts of boric acid, 4 parts of sodium benzoate, 4 parts of ammonium citrate, 4 parts of ammonium acetate, 200 parts of ethanol and 750 parts of water.
The electric vehicle wheel is characterized in that the composite rubber material comprises the following components in parts by mass: 50 parts of natural rubber, 10 parts of butadiene styrene rubber, 5 parts of butadiene rubber, 5 parts of epoxy octyl stearate, 3 parts of paraffin, 2 parts of peroxyacetic acid, 2 parts of isooctyl oleate, 1 part of stearic acid and 5 parts of nano silicon dioxide.
The electric vehicle wheel is characterized in that the composite rubber material comprises the following components in parts by mass: 50 parts of natural rubber, 20 parts of butadiene styrene rubber, 10 parts of butadiene rubber, 5 parts of epoxy octyl stearate, 3 parts of paraffin, 2 parts of peroxyacetic acid, 2 parts of isooctyl oleate, 1 part of stearic acid and 5 parts of nano silicon dioxide.
The electric vehicle wheel is characterized in that the composite rubber material comprises the following components in parts by mass: 50 parts of natural rubber, 15 parts of butadiene styrene rubber, 7 parts of butadiene rubber, 5 parts of epoxy octyl stearate, 3 parts of paraffin, 2 parts of peroxyacetic acid, 2 parts of isooctyl oleate, 1 part of stearic acid and 5 parts of nano silicon dioxide.
The electric vehicle wheel comprises the following components in parts by mass: 15 parts of zinc chloride, 9 parts of zinc sulfate, 8 parts of cerium chloride, 5 parts of potassium chloride, 5 parts of boric acid, 4 parts of sodium benzoate, 4 parts of ammonium citrate, 4 parts of ammonium acetate, 210 parts of ethanol and 750 parts of water.
The electric vehicle wheel comprises the following components in parts by mass: 15 parts of zinc chloride, 9 parts of zinc sulfate, 8 parts of cerium chloride, 5 parts of potassium chloride, 5 parts of boric acid, 4 parts of sodium benzoate, 4 parts of ammonium citrate, 4 parts of ammonium acetate, 210 parts of ethanol and 750 parts of water.
The electric vehicle wheel comprises the following components in parts by mass: 15 parts of zinc chloride, 9 parts of zinc sulfate, 8 parts of cerium chloride, 5 parts of potassium chloride, 5 parts of boric acid, 4 parts of sodium benzoate, 4 parts of ammonium citrate, 4 parts of ammonium acetate, 210 parts of ethanol and 750 parts of water.
The electric vehicle wheel comprises the following titanium alloy wheel rims in percentage by mass: mo 5%, V3%, Nb 2%, Cr 1%, Cu 0.6%, Bi 0.3%, Al 0.2%, B0.05%, Ag 0.03%, Sc 0.02%, Ce0.02% and the balance Ti.
The electric vehicle wheel comprises the following titanium alloy wheel rims in percentage by mass: mo 6%, V4%, Nb 3%, Cr 2%, Cu 0.7%, Bi 0.4%, Al 0.3%, B0.06%, Ag 0.04%, Sc 0.03%, Ce0.03% and the balance Ti.
The electric vehicle wheel comprises the following titanium alloy wheel rims in percentage by mass: 5.5% of Mo, 3.5% of V, 2.5% of Nb, 1.5% of Cr, 0.65% of Cu, 0.35% of Bi, 0.25% of Al, 0.055% of B, 0.035% of Ag, 0.025% of Sc, 0.025% of Ce and the balance of Ti.
The outer ends of the spokes can be detachably connected with the outer end surface of the rim and can be in a screw type.
Compared with the prior art, the beneficial effects of the invention contents are as follows: 1) the service life of the composite rubber material tire is prolonged, the wear resistance is improved, the heat dissipation is faster, and the safety performance is improved; 2) the hub adopts the detachable copper alloy spoke and the detachable titanium alloy rim, so that the repair and the replacement are simple and convenient; 3) the spoke adopts copper alloy to ensure the strength and lighter weight of the wheel hub, the manufacturing precision is higher through two times of hot die pressing, the deformation is small when the wheel hub rotates at high speed, and the rolling resistance of the tire is reduced, so that the oil consumption is reduced, 4) the rim adopts titanium alloy and multi-pass spinning steps to ensure the strength, the heat dissipation effect is very good, so that the braking performance is enhanced, the service life of the tire is prolonged, and the safe driving of the automobile is effectively ensured; 5) the electrogalvanizing of the rim surface and the used electrogalvanizing solution ensure the service life and ensure the firm combination of the plating layer and the alloy.
Drawings
FIG. 1 is a schematic view of a wheel;
fig. 2 is a schematic view of a hub.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, specific embodiments of the present invention will now be described in detail.
Example 4
As shown in fig. 1-2, an electric vehicle wheel comprises a wheel hub and a tire mounted on the wheel hub, the tire is made of a composite rubber material, the wheel hub comprises a detachable copper alloy spoke and a titanium alloy rim, the spoke comprises a plurality of spokes which are radially and uniformly distributed, a center hole is arranged in the center of the spoke, a plurality of mounting holes are uniformly distributed around the center hole, the outer ends of the spokes are detachably connected with the outer end surface of the rim, the surface of the rim is coated with an electro-galvanized layer,
the composite rubber material comprises the following components in parts by mass: 50 parts of natural rubber, 12 parts of butadiene styrene rubber, 6 parts of butadiene rubber, 5 parts of epoxy octyl stearate, 3 parts of paraffin, 2 parts of peroxyacetic acid, 2 parts of isooctyl oleate, 1 part of stearic acid and 5 parts of nano silicon dioxide,
the copper alloy spoke comprises the following elements in percentage by mass: ni 6.2%, Al 4.3%, Zr 2.1%, W1.4%, Cr0.82%, Sn 0.53%, Mo 0.31%, Ag 0.22%, Ca 0.063%, Co 0.054%, Mg 0.023% and the balance of Cu, melting the copper alloy, preserving heat for 15 minutes, and then preheating the die; casting to form a spoke rough blank, keeping the temperature at 550-560 ℃ after casting for 1 hour, processing a central hole and a mounting hole after cooling, heating the workpiece to 820-830 ℃ for 20 minutes, quenching, reheating the workpiece to 450-460 ℃ and keeping the temperature for 3 hours.
The titanium alloy wheel rim comprises the following elements in percentage by mass: 5.3% of Mo, 3.4% of V, 2.6% of Nb, 1.7% of Cr, 0.63% of Cu, 0.37% of Bi, 0.22% of Al, 0.051% of B, 0.039% of Ag, 0.022% of Sc, 0.021% of Ce and the balance of Ti, preparing the titanium alloy required by the titanium alloy rim, heating the titanium alloy blank to 1370 and 1380 ℃ and forging the blank under a forging press of 750 tons; then the temperature is controlled at 1340-1350 ℃ and is preserved for 20 minutes, then the extrusion is carried out, then the temperature is preserved at 950-960 ℃ for 1 hour, the flaring is carried out on the material placed on a flaring press, then the spinning processing is carried out on a spinning machine, and the first spinning temperature is kept at 940-950 ℃; the rotating speed of the main shaft reaches 2.7 revolutions per second, the feeding ratio is 0.6mm per second, and the second-pass spinning temperature is kept at 900-; the rotating speed of the main shaft reaches 2 revolutions per second, the feeding ratio is 0.8mm per second, and the temperature of the third spinning is kept at 870-880 ℃; the rotation speed of the main shaft reaches 1.5 revolutions per second, the feeding ratio is 1mm per second, then the surface of the rim is pretreated and then electrogalvanizing is carried out in electrogalvanizing liquid, and the electrogalvanizing temperature is as follows: 30 ℃, electroplating time of 70min, current density: 1.5A/dm 2, rinsing in hot water at 40 ℃ for 30s, performing heat treatment in a heating furnace at 50 ℃ for 15min, reducing the temperature to 45 ℃ for 10min, and performing heat treatment on the electrogalvanizing solution for 10min, wherein the electrogalvanizing solution comprises the following components in parts by mass: 11 parts of zinc chloride, 8.2 parts of zinc sulfate, 7.3 parts of cerium chloride, 5 parts of potassium chloride, 5 parts of boric acid, 4 parts of sodium benzoate, 4 parts of ammonium citrate, 4 parts of ammonium acetate, 203 parts of ethanol and 710 parts of water.
Claims (1)
1. An electric vehicle wheel comprises a wheel hub and a tire arranged on the wheel hub, wherein the tire is made of a composite rubber material, the wheel hub comprises a copper alloy spoke and a titanium alloy rim which can be split, the spoke comprises a plurality of spokes which are scattered and uniformly distributed in a radiation manner, a center hole is formed in the center of the spoke, a plurality of mounting holes are uniformly distributed around the center hole, the outer ends of the spokes are detachably connected with the outer end face of the rim, the surface of the rim is coated with an electro-galvanized layer,
the composite rubber material comprises the following components in parts by mass: 50 parts of natural rubber, 12 parts of butadiene styrene rubber, 6 parts of butadiene rubber, 5 parts of epoxy octyl stearate, 3 parts of paraffin, 2 parts of peroxyacetic acid, 2 parts of isooctyl oleate, 1 part of stearic acid and 5 parts of nano silicon dioxide,
the copper alloy spoke comprises the following elements in percentage by mass: ni 6.2%, Al 4.3%, Zr 2.1%, W1.4%, Cr0.82%, Sn 0.53%, Mo 0.31%, Ag 0.22%, Ca 0.063%, Co 0.054%, Mg 0.023% and the balance of Cu, melting the copper alloy, preserving heat for 15 minutes, and then preheating the die; casting to form a spoke rough blank, keeping the temperature at 550-560 ℃ for 1 hour after casting, processing a central hole and a mounting hole after cooling, heating the workpiece to 820-830 ℃ for 20 minutes, quenching, reheating the workpiece to 450-460 ℃ for 3 hours,
the titanium alloy wheel rim comprises the following elements in percentage by mass: 5.3% of Mo, 3.4% of V, 2.6% of Nb, 1.7% of Cr, 0.63% of Cu, 0.37% of Bi, 0.22% of Al, 0.051% of B, 0.039% of Ag, 0.022% of Sc, 0.021% of Ce and the balance of Ti, preparing the titanium alloy required by the titanium alloy rim, heating the titanium alloy blank to 1370 and 1380 ℃ and forging the blank under a forging press of 750 tons; then the temperature is controlled at 1340-1350 ℃ and is preserved for 20 minutes, then the extrusion is carried out, then the temperature is preserved at 950-960 ℃ for 1 hour, the flaring is carried out on the material placed on a flaring press, then the spinning processing is carried out on a spinning machine, and the first spinning temperature is kept at 940-950 ℃; the rotating speed of the main shaft reaches 2.7 revolutions per second, the feeding ratio is 0.6mm per second, and the second-pass spinning temperature is kept at 900-; the rotating speed of the main shaft reaches 2 revolutions per second, the feeding ratio is 0.8mm per second, and the temperature of the third spinning is kept at 870-880 ℃; the rotation speed of the main shaft reaches 1.5 revolutions per second, the feeding ratio is 1mm per second, then the surface of the rim is pretreated and then electrogalvanizing is carried out in electrogalvanizing liquid, and the electrogalvanizing temperature is as follows: 30 ℃, electroplating time of 70min, current density: 1.5A/dm 2, rinsing in hot water at 40 ℃ for 30s, performing heat treatment in a heating furnace at 50 ℃ for 15min, reducing the temperature to 45 ℃ for 10min, and performing heat treatment on the electrogalvanizing solution for 10min, wherein the electrogalvanizing solution comprises the following components in parts by mass: 11 parts of zinc chloride, 8.2 parts of zinc sulfate, 7.3 parts of cerium chloride, 5 parts of potassium chloride, 5 parts of boric acid, 4 parts of sodium benzoate, 4 parts of ammonium citrate, 4 parts of ammonium acetate, 203 parts of ethanol and 710 parts of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711410204.2A CN108099482B (en) | 2016-06-27 | 2016-06-27 | Electric vehicle wheel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610477036.8A CN106142973B (en) | 2016-06-27 | 2016-06-27 | A kind of Electricmotor car wheel |
| CN201711410204.2A CN108099482B (en) | 2016-06-27 | 2016-06-27 | Electric vehicle wheel |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610477036.8A Division CN106142973B (en) | 2016-06-27 | 2016-06-27 | A kind of Electricmotor car wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108099482A CN108099482A (en) | 2018-06-01 |
| CN108099482B true CN108099482B (en) | 2020-06-05 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610477036.8A Active CN106142973B (en) | 2016-06-27 | 2016-06-27 | A kind of Electricmotor car wheel |
| CN201711410204.2A Expired - Fee Related CN108099482B (en) | 2016-06-27 | 2016-06-27 | Electric vehicle wheel |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610477036.8A Active CN106142973B (en) | 2016-06-27 | 2016-06-27 | A kind of Electricmotor car wheel |
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| Country | Link |
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| CN (2) | CN106142973B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793435A (en) * | 2005-11-28 | 2006-06-28 | 刘振伟 | Electroplating spoke of weak acid potassium chloride type zine iron alloy |
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN202826955U (en) * | 2012-07-31 | 2013-03-27 | 邱刚义 | Ultra-strong elastic plastic wheel |
| CN203157571U (en) * | 2012-12-20 | 2013-08-28 | 江苏凯特汽车部件有限公司 | Two-piece type aluminum alloy wheel |
| CN105296802A (en) * | 2015-11-03 | 2016-02-03 | 华南理工大学 | High-tenacity dual-scale structural titanium alloy and preparation method and application thereof |
| CN105384979A (en) * | 2015-12-29 | 2016-03-09 | 青岛文晟汽车零部件有限公司 | Wear-resisting tire |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2803595A1 (en) * | 2000-01-12 | 2001-07-13 | Michelin Soc Tech | RUBBER COMPOSITION FOR USE IN A VULCANIZED CONDITION AS A SAFETY SUPPORT FOR TIRES AND SUCH A SUPPORT |
| US20050161999A1 (en) * | 2004-01-22 | 2005-07-28 | Augustee Lee Wen I. | Safety rim for vehicle wheel |
| WO2008035375A2 (en) * | 2006-08-21 | 2008-03-27 | National Organic Chemical Industries Limited | Novel sulfenamide accelerators for improved network stabilization of rubber vulcanizates |
| DE102010034760A1 (en) * | 2010-08-19 | 2012-04-26 | Audi Ag | Rim for wheel of motor vehicle, has rim base and two rim flanges, which are averted outside of rim base, where one of two rim flanges has recess in radial direction at outer side in area |
| CN102529596A (en) * | 2012-02-09 | 2012-07-04 | 北京化工大学 | Rubber and plastic composite tire tread |
-
2016
- 2016-06-27 CN CN201610477036.8A patent/CN106142973B/en active Active
- 2016-06-27 CN CN201711410204.2A patent/CN108099482B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN1793435A (en) * | 2005-11-28 | 2006-06-28 | 刘振伟 | Electroplating spoke of weak acid potassium chloride type zine iron alloy |
| CN202826955U (en) * | 2012-07-31 | 2013-03-27 | 邱刚义 | Ultra-strong elastic plastic wheel |
| CN203157571U (en) * | 2012-12-20 | 2013-08-28 | 江苏凯特汽车部件有限公司 | Two-piece type aluminum alloy wheel |
| CN105296802A (en) * | 2015-11-03 | 2016-02-03 | 华南理工大学 | High-tenacity dual-scale structural titanium alloy and preparation method and application thereof |
| CN105384979A (en) * | 2015-12-29 | 2016-03-09 | 青岛文晟汽车零部件有限公司 | Wear-resisting tire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108099482A (en) | 2018-06-01 |
| CN106142973A (en) | 2016-11-23 |
| CN106142973B (en) | 2018-08-31 |
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