CN104389924A - Abrasion-resistant brake disc - Google Patents
Abrasion-resistant brake disc Download PDFInfo
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- CN104389924A CN104389924A CN201410561567.6A CN201410561567A CN104389924A CN 104389924 A CN104389924 A CN 104389924A CN 201410561567 A CN201410561567 A CN 201410561567A CN 104389924 A CN104389924 A CN 104389924A
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- brake disc
- disk body
- brake disk
- alloy layer
- abrasion
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Abstract
The invention relates to an abrasion-resistant brake disc, which comprises a brake disc body, wherein a shaft hole is formed in the brake disc body, heat radiating holes are also formed in the brake disc body, penetrate through the brake disc body, and are arranged around the shaft hole along the radial direction of the brake disc body, and a nickel-based alloy layer containing carbon tungsten is arranged at the surface of the brake disc body. The abrasion-resistant brake disc has the advantages that by arranging the nickel-based alloy layer containing the carbon tungsten at the surface of the brake disc body, the nickel-based alloy layer containing the tungsten carbide has the characteristics of higher hardness, good abrasion-resistant property, good heat temperature-resistant property and the like, so the abrasion-resistant property of the brake disc is good, the service life is prolonged, and the reliability is improved.
Description
Technical field
The present invention relates to a kind of automobile braking device, particularly a kind of wear resistant brake disc.
Background technique
Automobile brake disc is the critical component of automobile brake, concerns the driving safety of automobile, and brake disc wear-resisting property directly has influence on working life and the reliability of brake disc, and the wear-resisting property of existing brake disc is poor, working life is shorter, reliability is lower.
Summary of the invention
The invention provides a kind of wear resistant brake disc, the technical problem poor with the wear-resisting property solving above-mentioned existing brake disc, working life is shorter, reliability is lower.
In order to solve the problems of the technologies described above, the invention provides a kind of wear resistant brake disc, comprise brake disk body, axis hole is provided with in the middle of described brake disk body, described brake disk body is also provided with thermal vias, described thermal vias runs through described brake disk body and is arranged in the surrounding of described axis hole along described brake disk body radial direction, and the surface of described brake disk body is provided with the nickel base alloy layer that one deck contains Tungsten carbite.
The invention has the beneficial effects as follows: because the surface of disk body of braking is provided with the nickel base alloy layer that one deck contains Tungsten carbite, it is higher that the nickel base alloy layer of Tungsten carbite has hardness, and wear resistance is good, the features such as resistance to high temperature is good, the wear-resisting property of brake disc is improved, and working life increases, and reliability improves.
Further, in described nickel base alloy layer, the weight ratio of the content of Tungsten carbite is 35%.
The beneficial effect of above-mentioned further scheme is adopted to be: use tungsten carbide content to be 35% nickel-base alloy, the wear-resisting property of brake disc surface improves 20 times.
Further, described nickel base alloy layer is located on the surface of described brake disk body by the mode of laser cladding process.
Adopt the beneficial effect of above-mentioned further scheme to be: by laser cladding processing mode, be the fusing of brake disk body combination interface, be conducive to being formed firmly interface cohesion, coating difficult drop-off during wearing and tearing, the wear-resisting property of brake disc is further improved.
Further, described thermal vias is taper type hole.
Adopt the beneficial effect of above-mentioned further scheme to be: when brake disc when rotated, due to aerodynamic principle, air forms pressure reduction and eddy flow in frustum hole, accelerates the radiating effect of frustum hole surface, thus improves the working life of brake disc and the brake safe performance of automobile.
Further, the material of described brake disk body is the fine ceramic composite of carbon.
The beneficial effect of above-mentioned further scheme is adopted to be: the brake disc heat dispersion of carbon fiber ceramic composite material is better, ultra lightweight, the features such as long service life, braking ability are good.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of wear resistant brake disc of the present invention,
Fig. 2 is wear resistant brake disc Facad structure schematic diagram of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, brake disk body, and 2, nickel base alloy layer, 3, thermal vias, 4, axis hole
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
The cross-sectional view of wear resistant brake disc of the present invention is see Fig. 1, Fig. 2, comprise brake disk body 1, axis hole 4 is provided with in the middle of brake disk body 1, thermal vias 3 runs through brake disk body 1 and is arranged in the surrounding of axis hole 4 along described brake disk body 1 radial direction, two of brake disk body 1 is provided with the nickel base alloy layer containing 35% carbide by the mode of laser cladding process on the surface, and the material of hull body is the fine ceramic composite of carbon.
Because the surface of disk body of braking is provided with the nickel base alloy layer that one deck contains Tungsten carbite, it is higher that the nickel base alloy layer of Tungsten carbite has hardness, and the features such as wear resistance is good, and resistance to high temperature is good, make the wear-resisting property of brake disc improve, increase in working life, reliability raising.
With the wear-resisting test experiments display of different brake disc, the weight-loss ratio on the surface of the brake disk body after laser cladding process is 1/20 of the weight-loss ratio of common brake disk body, and its wear resistance improves 20 times; The cut come off at the irregular hard phase particle of its nickel base alloy layer surface presentation and the little slight cutting abrasion of quantity, the percentage of cut and depth of cut and bite obviously reduce and reduce.Increase material monolithic hardness containing the Tungsten carbite in the nickel base alloy layer of Tungsten carbite, inhibitory action is played to Micro cutting Process, simultaneously reduce its cutting power due to the squeezed broken or wearing and tearing of part abrasive particle, thus substantially increase the wear-resisting property on brake disc surface; The brake disc heat dispersion of carbon fiber ceramic composite material is better, ultra lightweight, the features such as long service life, braking ability are good.
Be described in detail wear resistant brake disc of the present invention above, apply specific case herein and set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands core concept of the present invention for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. a wear resistant brake disc, comprise brake disk body, axis hole is provided with in the middle of described brake disk body, described brake disk body is also provided with thermal vias, described thermal vias runs through described brake disk body and is arranged in the surrounding of described axis hole along described brake disk body radial direction, it is characterized in that, the surface of described brake disk body is provided with the nickel base alloy layer that one deck contains Tungsten carbite.
2. wear resistant brake disc according to claim 1, is characterized in that, in described nickel base alloy layer, the weight ratio of the content of Tungsten carbite is 35%.
3. wear resistant brake disc according to claim 1 and 2, is characterized in that, described nickel base alloy layer is located on the surface of described brake disk body by the mode of laser cladding process.
4. wear resistant brake disc according to claim 3, is characterized in that, described thermal vias is taper type hole.
5. wear resistant brake disc according to claim 4, is characterized in that, the material of described brake disk body is the fine ceramic composite of carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561567.6A CN104389924A (en) | 2014-10-21 | 2014-10-21 | Abrasion-resistant brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561567.6A CN104389924A (en) | 2014-10-21 | 2014-10-21 | Abrasion-resistant brake disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104389924A true CN104389924A (en) | 2015-03-04 |
Family
ID=52607869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410561567.6A Pending CN104389924A (en) | 2014-10-21 | 2014-10-21 | Abrasion-resistant brake disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104389924A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174594A (en) * | 2021-05-11 | 2021-07-27 | 济南大学 | Additive preparation method of iron-based brake disc surface alloy coating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000078A (en) * | 2006-12-26 | 2007-07-18 | 太原市星羽科技有限公司 | Ceramic carbon fibre brake disc for automobile |
| US20090026025A1 (en) * | 2007-07-26 | 2009-01-29 | Keith Hampton | Dual coated cast iron brake rotor and method of construction |
| CN101818343A (en) * | 2010-04-21 | 2010-09-01 | 广州有色金属研究院 | Laser cladding method of composite coating containing spherical tungsten carbide |
| CN103185087A (en) * | 2011-12-27 | 2013-07-03 | 罗伯特·博世有限公司 | Process for coating a brake disk and brake disk produced by the process |
| CN203202081U (en) * | 2013-04-01 | 2013-09-18 | 宁波洲驰车业有限公司 | Heat dissipation brake disc |
| CN103866320A (en) * | 2014-03-31 | 2014-06-18 | 北京工业大学 | Method for improving nickel-based tungsten carbide laser cladding coat |
-
2014
- 2014-10-21 CN CN201410561567.6A patent/CN104389924A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000078A (en) * | 2006-12-26 | 2007-07-18 | 太原市星羽科技有限公司 | Ceramic carbon fibre brake disc for automobile |
| US20090026025A1 (en) * | 2007-07-26 | 2009-01-29 | Keith Hampton | Dual coated cast iron brake rotor and method of construction |
| CN101818343A (en) * | 2010-04-21 | 2010-09-01 | 广州有色金属研究院 | Laser cladding method of composite coating containing spherical tungsten carbide |
| CN103185087A (en) * | 2011-12-27 | 2013-07-03 | 罗伯特·博世有限公司 | Process for coating a brake disk and brake disk produced by the process |
| CN203202081U (en) * | 2013-04-01 | 2013-09-18 | 宁波洲驰车业有限公司 | Heat dissipation brake disc |
| CN103866320A (en) * | 2014-03-31 | 2014-06-18 | 北京工业大学 | Method for improving nickel-based tungsten carbide laser cladding coat |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174594A (en) * | 2021-05-11 | 2021-07-27 | 济南大学 | Additive preparation method of iron-based brake disc surface alloy coating |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |