CN105750554A - Tough powder metallurgy shaft sleeve and preparation method thereof - Google Patents
Tough powder metallurgy shaft sleeve and preparation method thereof Download PDFInfo
- Publication number
- CN105750554A CN105750554A CN201610111542.5A CN201610111542A CN105750554A CN 105750554 A CN105750554 A CN 105750554A CN 201610111542 A CN201610111542 A CN 201610111542A CN 105750554 A CN105750554 A CN 105750554A
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- parts
- powder
- axle sleeve
- powder metallurgy
- toughness
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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.)
- Pending
Links
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 21
- 239000010439 graphite Substances 0.000 claims abstract description 21
- 239000004576 sand Substances 0.000 claims abstract description 21
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011787 zinc oxide Substances 0.000 claims abstract description 21
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 21
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000006229 carbon black Substances 0.000 claims abstract description 19
- OFEAOSSMQHGXMM-UHFFFAOYSA-N 12007-10-2 Chemical compound [W].[W]=[B] OFEAOSSMQHGXMM-UHFFFAOYSA-N 0.000 claims description 20
- 239000003595 mist Substances 0.000 claims description 19
- 150000001875 compounds Chemical class 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000012467 final product Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 8
- 239000001993 wax Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract 1
- 230000003116 impacting effect Effects 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B22F1/0003—
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/121—Use of special materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/14—Special methods of manufacture; Running-in
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/20—Shaping by sintering pulverised material, e.g. powder metallurgy
Abstract
The invention discloses a tough powder metallurgy shaft sleeve and a preparation method thereof.The shaft sleeve is prepared from, by mass, 16-28 parts of graphite, 4-18 parts of zinc oxide, 5-13 parts of copper powder, 5-17 parts of zircon sand, 2-19 parts of boride tungsten, 4-13 parts of zinc powder, 5-12 parts of polymeric wax, 7-24 parts of carbon black and 2-11 parts of manganese sulfide.The shaft sleeve prepared through the method is high in bending strength and impacting toughness, meanwhile, the preparation technology is simple, the conditions are controllable, and good market prospects are achieved.
Description
Technical field
The invention belongs to field of powder metallurgy, be specifically related to a kind of toughness powder metallurgy axle sleeve and preparation method thereof.
Background technology
Powder metallurgy is to produce metal dust or with metal dust (or mixture of metal dust and non-metal powder) as raw material,
Through shaping and sintering, manufacture metal material, composite and the technology of all kinds goods.
At present, PM technique has been widely used in traffic, machinery, electronics, Aero-Space, weapons, biology, new energy
The fields such as source, information and nuclear industry, become one of branch of most development vitality in new material science.PM technique possesses
The most energy-conservation, save that material, excellent performance, Product Precision be high and the series of advantages such as good stability, be very suitable for producing in enormous quantities.
Powder metallurgy axle sleeve in use, due to extruding force and the effect of composite machine power, is easily generated deformation, and impact uses
Therefore its toughness had higher requirement by the life-span.
Summary of the invention
In order to overcome above the deficiencies in the prior art, the invention provides a kind of toughness powder metallurgy axle sleeve and preparation method thereof, system
The axle sleeve flexural strength obtained and impact flexibility are high, and preparation technology is simple simultaneously, and condition is controlled, has good market prospects.
The technical solution used in the present invention is: a kind of toughness powder metallurgy axle sleeve, is made up of each component of following mass parts: graphite
16-28 part, zinc oxide 4-18 part, copper powder 5-13 part, zircon sand 5-17 part, tungsten boride 2-19 part, zinc powder 4-13 part, micro-
Powder wax 5-12 part, carbon black 7-24 part, manganese sulfide 2-11 part.
Preferably, a kind of toughness powder metallurgy axle sleeve, it is made up of each component of following mass parts: graphite 19-26 part, zinc oxide
8-14 part, copper powder 9-12 part, zircon sand 7-12 part, tungsten boride 5-12 part, zinc powder 7-11 part, micro mist wax 8-11 part, charcoal
Black 12-23 part, manganese sulfide 4-9 part.
It is furthermore preferred that a kind of toughness powder metallurgy axle sleeve, it is made up of each component of following mass parts: 23 parts of graphite, zinc oxide 11
Part, copper powder 11 parts, zircon sand 8 parts, tungsten boride 7 parts, zinc powder 9 parts, micro mist wax 10 parts, carbon black 15 parts, manganese sulfide 6
Part.
The preparation method of a kind of toughness powder metallurgy axle sleeve, comprises the following steps:
(1) by above-mentioned mass parts, by graphite, zinc oxide, copper powder, zircon sand, tungsten boride, zinc powder, micro mist wax, carbon black,
Manganese sulfide mixes after pulverizing, and obtains compound；
(2) by extrusion forming under the conditions of step (1) gained compound 450-650MPa, blank is obtained；
(3) step (2) gained blank is sintered at a temperature of 1500-1800 DEG C 2-3.5h, be incubated 0.5-1.5h, be warming up to
1900-2200 DEG C sintering 0.5-1.5h, with stove cool down after and get final product.
In above-mentioned steps (2), the time of extrusion forming is 30-45min.
In above-mentioned steps (3), heating rate is 50-70 DEG C/min.
Beneficial effect: the powder metallurgy axle sleeve flexural strength that the present invention prepares is between 2789-2847MPa, and impact flexibility exists
9.8-10.7J/cm2Between, due to the synergy between component, it is possible to increase its flexural strength and impact flexibility, make simultaneously
Standby technique is simple, and condition is controlled, has good market prospects.
Detailed description of the invention
Embodiment 1
A kind of toughness powder metallurgy axle sleeve, is made up of each component of following mass parts: 16 parts of graphite, 4 parts of zinc oxide, copper powder 5
Part, zircon sand 5 parts, tungsten boride 2 parts, zinc powder 4 parts, micro mist wax 5 parts, carbon black 7 parts, manganese sulfide 2 parts.
Preparation method:
(1) by above-mentioned mass parts, by graphite, zinc oxide, copper powder, zircon sand, tungsten boride, zinc powder, micro mist wax, carbon black,
Manganese sulfide mixes after pulverizing, and obtains compound；
(2) by extrusion forming 30min under the conditions of step (1) gained compound 450MPa, blank is obtained；
(3) step (2) gained blank is sintered at a temperature of 1500 DEG C 2h, is incubated 0.5h, be warming up to 1900 DEG C of sintering 0.5h,
With stove cool down after and get final product, wherein heating rate is 50 DEG C/min.
Embodiment 2
A kind of toughness powder metallurgy axle sleeve, is made up of each component of following mass parts: 28 parts of graphite, 18 parts of zinc oxide, copper powder
13 parts, zircon sand 17 parts, tungsten boride 19 parts, zinc powder 13 parts, micro mist wax 12 parts, carbon black 24 parts, manganese sulfide 11 parts.
Preparation method:
(1) by above-mentioned mass parts, by graphite, zinc oxide, copper powder, zircon sand, tungsten boride, zinc powder, micro mist wax, carbon black,
Manganese sulfide mixes after pulverizing, and obtains compound；
(2) by extrusion forming 45min under the conditions of step (1) gained compound 650MPa, blank is obtained；
(3) step (2) gained blank is sintered at a temperature of 1800 DEG C 3.5h, is incubated 1.5h, be warming up to 2200 DEG C of sintering 1.5h,
With stove cool down after and get final product, wherein heating rate is 70 DEG C/min.
Embodiment 3
A kind of toughness powder metallurgy axle sleeve, is made up of each component of following mass parts: 19 parts of graphite, 8 parts of zinc oxide, copper powder 9
Part, zircon sand 7 parts, tungsten boride 5 parts, zinc powder 7 parts, micro mist wax 8 parts, carbon black 12 parts, manganese sulfide 4 parts.
Preparation method:
(1) by above-mentioned mass parts, by graphite, zinc oxide, copper powder, zircon sand, tungsten boride, zinc powder, micro mist wax, carbon black,
Manganese sulfide mixes after pulverizing, and obtains compound；
(2) by extrusion forming 35min under the conditions of step (1) gained compound 500MPa, blank is obtained；
(3) step (2) gained blank is sintered at a temperature of 1600 DEG C 2.5h, is incubated 1h, be warming up to 2000 DEG C of sintering 1h,
With stove cool down after and get final product, wherein heating rate is 55 DEG C/min.
Embodiment 4
A kind of toughness powder metallurgy axle sleeve, is made up of each component of following mass parts: 26 parts of graphite, 14 parts of zinc oxide, copper powder
12 parts, zircon sand 12 parts, tungsten boride 12 parts, zinc powder 11 parts, micro mist wax 11 parts, carbon black 23 parts, manganese sulfide 9 parts.
Preparation method:
(1) by above-mentioned mass parts, by graphite, zinc oxide, copper powder, zircon sand, tungsten boride, zinc powder, micro mist wax, carbon black,
Manganese sulfide mixes after pulverizing, and obtains compound；
(2) by extrusion forming 40min under the conditions of step (1) gained compound 600MPa, blank is obtained；
(3) step (2) gained blank is sintered at a temperature of 1700 DEG C 3h, is incubated 1h, be warming up to 2100 DEG C of sintering 1h,
With stove cool down after and get final product, wherein heating rate is 60 DEG C/min.
Embodiment 5
A kind of toughness powder metallurgy axle sleeve, is made up of each component of following mass parts: 23 parts of graphite, 11 parts of zinc oxide, copper powder
11 parts, zircon sand 8 parts, tungsten boride 7 parts, zinc powder 9 parts, micro mist wax 10 parts, carbon black 15 parts, manganese sulfide 6 parts.
Preparation method:
(1) by above-mentioned mass parts, by graphite, zinc oxide, copper powder, zircon sand, tungsten boride, zinc powder, micro mist wax, carbon black,
Manganese sulfide mixes after pulverizing, and obtains compound；
(2) by extrusion forming 40min under the conditions of step (1) gained compound 550MPa, blank is obtained；
(3) step (2) gained blank is sintered at a temperature of 1650 DEG C 2.5h, is incubated 1h, be warming up to 2050 DEG C of sintering 1h,
With stove cool down after and get final product, wherein heating rate is 65 DEG C/min.
Comparative example
Difference with embodiment 5 is to be not added with manganese sulfide.
A kind of toughness powder metallurgy axle sleeve, is made up of each component of following mass parts: 23 parts of graphite, 11 parts of zinc oxide, copper powder
11 parts, zircon sand 8 parts, tungsten boride 7 parts, zinc powder 9 parts, micro mist wax 10 parts, carbon black 15 parts.
Preparation method:
(1) by above-mentioned mass parts, by graphite, zinc oxide, copper powder, zircon sand, tungsten boride, zinc powder, micro mist wax, carbon powder
Mix after broken, obtain compound；
(2) by extrusion forming 40min under the conditions of step (1) gained compound 550MPa, blank is obtained；
(3) step (2) gained blank is sintered at a temperature of 1650 DEG C 2.5h, is incubated 1h, be warming up to 2050 DEG C of sintering 1h,
With stove cool down after and get final product, wherein heating rate is 65 DEG C/min.
Performance test:
The axle sleeve the performance test results that embodiment 1-5 and comparative example prepare is as shown in the table:
As can be seen from the above table: embodiment 1-5 prepare axle sleeve flexural strength between 2789-2847MPa, impact flexibility
At 9.8-10.7J/cm2Between；Being not added with manganese sulfide in comparative example, prepared axle sleeve flexural strength is 2509MPa, impacts tough
Property is 5.8J/cm2.It follows that the powder metallurgy axle sleeve that the present invention prepares is due to the synergy between component, it is possible to increase
Its flexural strength and impact flexibility, preparation technology is simple simultaneously, and condition is controlled, has good market prospects.
Claims (6)
1. a toughness powder metallurgy axle sleeve, it is characterized in that, be made up of the component of following mass parts: graphite 16-28 part, zinc oxide 4-18 part, copper powder 5-13 part, zircon sand 5-17 part, tungsten boride 2-19 part, zinc powder 4-13 part, micro mist wax 5-12 part, carbon black 7-24 part, manganese sulfide 2-11 part.
Toughness powder metallurgy axle sleeve the most according to claim 1, it is characterized in that, be made up of the component of following mass parts: graphite 19-26 part, zinc oxide 8-14 part, copper powder 9-12 part, zircon sand 7-12 part, tungsten boride 5-12 part, zinc powder 7-11 part, micro mist wax 8-11 part, carbon black 12-23 part, manganese sulfide 4-9 part.
Toughness powder metallurgy axle sleeve the most according to claim 1, it is characterized in that, be made up of the component of following mass parts: 23 parts of graphite, 11 parts of zinc oxide, copper powder 11 parts, zircon sand 8 parts, tungsten boride 7 parts, zinc powder 9 parts, micro mist wax 10 parts, carbon black 15 parts, manganese sulfide 6 parts.
4. the preparation method of the toughness powder metallurgy axle sleeve described in claims 1 to 3 any one, it is characterised in that: comprise the following steps:
(1) by above-mentioned mass parts, mix after graphite, zinc oxide, copper powder, zircon sand, tungsten boride, zinc powder, micro mist wax, carbon black, manganese sulfide are pulverized, obtain compound；
(2) by extrusion forming under the conditions of step (1) gained compound 450-650MPa, blank is obtained；
(3) step (2) gained blank is sintered at a temperature of 1500-1800 DEG C 2-3.5h, be incubated 0.5-1.5h, be warming up to 1900-2200 DEG C sintering 0.5-1.5h, with stove cool down after and get final product.
The preparation method of toughness powder metallurgy axle sleeve the most according to claim 4, it is characterised in that: in described step (2), the time of extrusion forming is 30-45min.
The preparation method of toughness powder metallurgy axle sleeve the most according to claim 4, it is characterised in that: in described step (3), heating rate is 50-70 DEG C/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111542.5A CN105750554A (en) | 2016-02-29 | 2016-02-29 | Tough powder metallurgy shaft sleeve and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111542.5A CN105750554A (en) | 2016-02-29 | 2016-02-29 | Tough powder metallurgy shaft sleeve and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105750554A true CN105750554A (en) | 2016-07-13 |
Family
ID=56331489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610111542.5A Pending CN105750554A (en) | 2016-02-29 | 2016-02-29 | Tough powder metallurgy shaft sleeve and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105750554A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340346A (en) * | 2019-07-15 | 2019-10-18 | 九江天时粉末制品有限公司 | A kind of powdered metallurgical material and its application |
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| JP2008144253A (en) * | 2006-12-13 | 2008-06-26 | Daido Metal Co Ltd | Copper-based slide material and its manufacturing method |
| US8586513B2 (en) * | 2009-12-10 | 2013-11-19 | Miba Gleitlager Gmbh | Anti-friction coating |
| CN101982262A (en) * | 2010-10-18 | 2011-03-02 | 浙江长盛滑动轴承有限公司 | High-performance copper-based powder metallurgy oil-containing self-lubricating bearing and production process thereof |
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| CN110340346A (en) * | 2019-07-15 | 2019-10-18 | 九江天时粉末制品有限公司 | A kind of powdered metallurgical material and its application |
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Application publication date: 20160713 |
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