CN107824778A - Powder metallurgy material for gear and preparation method thereof - Google Patents
Powder metallurgy material for gear and preparation method thereof Download PDFInfo
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- CN107824778A CN107824778A CN201710981143.9A CN201710981143A CN107824778A CN 107824778 A CN107824778 A CN 107824778A CN 201710981143 A CN201710981143 A CN 201710981143A CN 107824778 A CN107824778 A CN 107824778A
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- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000004663 powder metallurgy Methods 0.000 title abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011230 binding agent Substances 0.000 claims abstract description 18
- 239000003112 inhibitor Substances 0.000 claims abstract description 17
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920003180 amino resin Polymers 0.000 claims abstract description 13
- 239000007822 coupling agent Substances 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 13
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 13
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 13
- SZNYYWIUQFZLLT-UHFFFAOYSA-N 2-methyl-1-(2-methylpropoxy)propane Chemical compound CC(C)COCC(C)C SZNYYWIUQFZLLT-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 12
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 12
- 229920000570 polyether Polymers 0.000 claims abstract description 12
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims description 50
- 239000003921 oil Substances 0.000 claims description 22
- 238000005245 sintering Methods 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 239000010936 titanium Substances 0.000 claims description 13
- 229910052719 titanium Inorganic materials 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 239000008247 solid mixture Substances 0.000 claims description 6
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims description 5
- QCCDYNYSHILRDG-UHFFFAOYSA-K cerium(3+);trifluoride Chemical compound [F-].[F-].[F-].[Ce+3] QCCDYNYSHILRDG-UHFFFAOYSA-K 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910000907 nickel aluminide Inorganic materials 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 claims description 5
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 5
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 229910052727 yttrium Inorganic materials 0.000 claims description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 229920000049 Carbon (fiber) Polymers 0.000 abstract 1
- 239000004917 carbon fiber Substances 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229920002545 silicone oil Polymers 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 9
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 4
- 230000008602 contraction Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/105—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
-
- 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
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0207—Using a mixture of prealloyed powders or a master alloy
- C22C33/0228—Using a mixture of prealloyed powders or a master alloy comprising other non-metallic compounds or more than 5% of graphite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to a powder metallurgy material for a gear and a preparation method thereof, wherein the powder metallurgy material comprises the following raw materials in parts by weight: 50-65 parts of iron powder, 5-9 parts of zinc stearate, 2-5 parts of copper powder, 3-5 parts of molybdenum powder, 4-7 parts of vanadium powder, 3-6 parts of nickel powder, 1-3 parts of yttrium powder, 2-4 parts of aluminum powder, 0.9-1.2 parts of titanium powder, 0.6-1.2 parts of graphite powder, 1-2 parts of amino resin, 0.3-1 part of polyether modified silicone oil, 0.2-1 part of polyethylene glycol, 0.6-1.2 parts of silicon dioxide, 0.5-1.5 parts of polyvinyl isobutyl ether, 0.5-1.2 parts of carbon fiber, 0.6-1.2 parts of inhibitor, 0.3-1 part of binder and 0.5-1.5 parts of coupling agent. The powder metallurgy material disclosed by the invention has the advantages that through the specific component proportion, the whole density of the powder metallurgy gear is uniform, the compactness is high, the elongation and the section shrinkage are high, the wear resistance and the hardness are good, the material utilization rate is high, and the powder metallurgy material is suitable for producing high-performance gears in a large scale.
Description
Technical field
The present invention relates to powder metallurgical technology, and in particular to a kind of powdered metallurgical material and its preparation for gear
Method.
Background technology
Powder metallurgy has unique chemical composition and machinery, physical property, and these performances are with traditional founding side
What method can not obtain.The raw material of powder metallurgy are metal dust, and metal dust is mainly resolved into carefully by various raw metals
Little particle and the powder for mixing composition.Sintered metal product has many types, including powder metallurgical gear, existing powder metallurgy
The gear of material manufacture wears no resistance, low intensity, to be improved.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided a kind of powder smelting for gear
Golden material and preparation method thereof.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of powdered metallurgical material for gear, including
The raw material of following parts by weight：50-65 parts iron powder, 5-9 parts zinc stearate, 2-5 parts copper powder, 3-5 parts molybdenum powder, 4-7 parts vanadium powder, 3-6
Part nickel powder, 1-3 parts yttrium powder, 2-4 parts aluminium powder, 0.9 part of -1.2 parts of titanium valve, 0.6-1.2 parts graphite powder, 1-2 parts amino resins, 0.3-
1 part of polyether modified silicon oil, 0.2-1 parts polyethylene glycol, 0.6-1.2 parts silica, 0.5-1.5 part polyvinyl isobutyls ether,
0.5-1.2 parts carbon fibre, 0.6-1.2 parts inhibitor, 0.3-1 parts binding agent, 0.5-1.5 part coupling agents.
The beneficial effects of the invention are as follows：The powdered metallurgical material of the present invention, passes through specific composition proportion so that powder smelting
Golden gear global density is uniform, and consistency is high, and elongation percentage and the contraction percentage of area are big, and wearability and hardness are good, and stock utilization is high,
Suitable for producing High-performance gear in enormous quantities.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the raw material of following parts by weight is included：60 parts of iron powders, 7 parts of zinc stearates, 3 parts of copper powders, 4 parts of molybdenum powders, 6 parts
Vanadium powder, 4 parts of nickel powders, 2 parts of yttrium powders, 3 parts of aluminium powders, 1 part of titanium valve, 1 part of graphite powder, 1.5 parts of amino resins, 0.8 part of polyether-modified silicon
Oil, 0.6 part of polyethylene glycol, 1 part of silica, 1 part of polyvinyl isobutyl ether, 0.8 part of carbon fibre, 0.8 part of inhibitor, 0.6
Part binding agent, 0.8 part of coupling agent.
Further, the inhibitor is mixed by tungsten carbide, niobium carbide, titanium carbide and cerium fluoride with any ratio.
Further, the binding agent is mixed by nickel aluminide and titanium trichloride with any ratio.
A kind of preparation method of powdered metallurgical material for gear, comprises the following steps：
(1) raw material of above-mentioned parts by weight is taken, and by iron powder, zinc stearate, copper powder, molybdenum powder, vanadium powder, nickel powder, yttrium powder, aluminium
Powder, titanium valve, graphite powder, silica are added in mixing and blending machine and stirred, and are filtered using screen pack, consolidate
Body mixture；
(2) it is different to the fixed mixing species addition amino resins, polyether modified silicon oil, polyethylene glycol, polyvinyl again
Butyl ether, carbon fibre, inhibitor, binding agent, coupling agent, and be well mixed with fixed mixture；
(3) solid mixture is poured into compressing in gear pressed compact mould, pressing pressure 200-350Mpa；
(4) metal material after will be compressing takes out, and carries out high temperature sintering, sintering time 3-4h；
(5) metal material obtained by high temperature sintering is subjected to immersion oil cooling, oil temperature is 20-25 DEG C, the tooth after cooling
After taking turns product progress oil-control processing and shaping processing, that is, obtain metallurgical gear.
Further, in step (3), the temperature of the high temperature sintering is divided into two stages, and first stage temperature is 700-800
DEG C, second stage temperature is 900-1000 DEG C.
Embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
A kind of powdered metallurgical material for gear of the present embodiment, include the raw material of following parts by weight：50 parts of iron powders, 5
Part zinc stearate, 2 parts of copper powders, 3 parts of molybdenum powders, 4 parts of vanadium powders, 3 parts of nickel powders, 1 part of yttrium powder, 2 parts of aluminium powders, 0.9 part of titanium valve, 0.6 part of stone
Ink powder, 1 part of amino resins, 0.3 part of polyether modified silicon oil, 0.2 part of polyethylene glycol, 0.6 part of silica, 0.5 part of polyvinyl
Isobutyl ether, 0.5 part of carbon fibre, 0.6 part of inhibitor, 0.3 part of binding agent, 0.5 part of coupling agent.
The powdered metallurgical material of the present embodiment, pass through specific composition proportion so that powder metallurgical gear global density is equal
Even, consistency is high, and elongation percentage and the contraction percentage of area are big, and wearability and hardness are good, and stock utilization is high, suitable for producing in enormous quantities
High-performance gear.
Specifically, the inhibitor is mixed by tungsten carbide, niobium carbide, titanium carbide and cerium fluoride with any ratio.
Specifically, the binding agent is mixed by nickel aluminide and titanium trichloride with any ratio.
The present embodiment is used for the preparation method of the powdered metallurgical material of gear, comprises the following steps：
(1) raw material of above-mentioned parts by weight is taken, and by iron powder, zinc stearate, copper powder, molybdenum powder, vanadium powder, nickel powder, yttrium powder, aluminium
Powder, titanium valve, graphite powder, silica are added in mixing and blending machine and stirred, and are filtered using screen pack, consolidate
Body mixture；
(2) it is different to the fixed mixing species addition amino resins, polyether modified silicon oil, polyethylene glycol, polyvinyl again
Butyl ether, carbon fibre, inhibitor, binding agent, coupling agent, and be well mixed with fixed mixture；
(3) solid mixture is poured into compressing in gear pressed compact mould, pressing pressure 200Mpa；
(4) metal material after will be compressing takes out, and carries out high temperature sintering, sintering time 3h；
(5) metal material obtained by high temperature sintering is subjected to immersion oil cooling, oil temperature is 20 DEG C, the gear production after cooling
After product carry out oil-control processing and shaping processing, that is, obtain metallurgical gear.
Specifically, in step (3), the temperature of the high temperature sintering is divided into two stages, and first stage temperature is 700 DEG C,
Second stage temperature is 900 DEG C.
Embodiment 2
A kind of powdered metallurgical material for gear of the present embodiment, include the raw material of following parts by weight：60 parts of iron powders, 7
Part zinc stearate, 3 parts of copper powders, 4 parts of molybdenum powders, 6 parts of vanadium powders, 4 parts of nickel powders, 2 parts of yttrium powders, 3 parts of aluminium powders, 1 part of titanium valve, 1 part of graphite powder,
1.5 parts of amino resins, 0.8 part of polyether modified silicon oil, 0.6 part of polyethylene glycol, 1 part of silica, 1 part of polyvinyl isobutyl ether,
0.8 part of carbon fibre, 0.8 part of inhibitor, 0.6 part of binding agent, 0.8 part of coupling agent.
The powdered metallurgical material of the present embodiment, pass through specific composition proportion so that powder metallurgical gear global density is equal
Even, consistency is high, and elongation percentage and the contraction percentage of area are big, and wearability and hardness are good, and stock utilization is high, suitable for producing in enormous quantities
High-performance gear.
Specifically, the inhibitor is mixed by tungsten carbide, niobium carbide, titanium carbide and cerium fluoride with any ratio.
Specifically, the binding agent is mixed by nickel aluminide and titanium trichloride with any ratio.
The present embodiment is used for the preparation method of the powdered metallurgical material of gear, comprises the following steps：
(1) raw material of above-mentioned parts by weight is taken, and by iron powder, zinc stearate, copper powder, molybdenum powder, vanadium powder, nickel powder, yttrium powder, aluminium
Powder, titanium valve, graphite powder, silica are added in mixing and blending machine and stirred, and are filtered using screen pack, consolidate
Body mixture；
(2) it is different to the fixed mixing species addition amino resins, polyether modified silicon oil, polyethylene glycol, polyvinyl again
Butyl ether, carbon fibre, inhibitor, binding agent, coupling agent, and be well mixed with fixed mixture；
(3) solid mixture is poured into compressing in gear pressed compact mould, pressing pressure 300Mpa；
(4) metal material after will be compressing takes out, and carries out high temperature sintering, sintering time 3.5h；
(5) metal material obtained by high temperature sintering is subjected to immersion oil cooling, oil temperature is 23 DEG C, the gear production after cooling
After product carry out oil-control processing and shaping processing, that is, obtain metallurgical gear.
Specifically, in step (3), the temperature of the high temperature sintering is divided into two stages, and first stage temperature is 750 DEG C,
Second stage temperature is 950 DEG C.
Embodiment 3
A kind of powdered metallurgical material for gear of the present embodiment, include the raw material of following parts by weight：65 parts of iron powders, 9
Part zinc stearate, 5 parts of copper powders, 5 parts of molybdenum powders, 7 parts of vanadium powders, 6 parts of nickel powders, 3 parts of yttrium powders, 4 parts of aluminium powders, 1.2 parts of titanium valves, 1.2 parts of stones
Ink powder, 2 parts of amino resins, 1 part of polyether modified silicon oil, 1 part of polyethylene glycol, 1.2 parts of silica, 1.5 parts of polyvinyl isobutyls
Ether, 1.2 parts of carbon fibres, 1.2 parts of inhibitor, 1 part of binding agent, 1.5 parts of coupling agents.
The powdered metallurgical material of the present embodiment, pass through specific composition proportion so that powder metallurgical gear global density is equal
Even, consistency is high, and elongation percentage and the contraction percentage of area are big, and wearability and hardness are good, and stock utilization is high, suitable for producing in enormous quantities
High-performance gear.
Specifically, the inhibitor is mixed by tungsten carbide, niobium carbide, titanium carbide and cerium fluoride with any ratio.
Specifically, the binding agent is mixed by nickel aluminide and titanium trichloride with any ratio.
The present embodiment is used for the preparation method of the powdered metallurgical material of gear, comprises the following steps：
(1) raw material of above-mentioned parts by weight is taken, and by iron powder, zinc stearate, copper powder, molybdenum powder, vanadium powder, nickel powder, yttrium powder, aluminium
Powder, titanium valve, graphite powder, silica are added in mixing and blending machine and stirred, and are filtered using screen pack, consolidate
Body mixture；
(2) it is different to the fixed mixing species addition amino resins, polyether modified silicon oil, polyethylene glycol, polyvinyl again
Butyl ether, carbon fibre, inhibitor, binding agent, coupling agent, and be well mixed with fixed mixture；
(3) solid mixture is poured into compressing in gear pressed compact mould, pressing pressure 350Mpa；
(4) metal material after will be compressing takes out, and carries out high temperature sintering, sintering time 4h；
(5) metal material obtained by high temperature sintering is subjected to immersion oil cooling, oil temperature is 25 DEG C, the gear production after cooling
After product carry out oil-control processing and shaping processing, that is, obtain metallurgical gear.
Specifically, in step (3), the temperature of the high temperature sintering is divided into two stages, and first stage temperature is 800 DEG C,
Second stage temperature is 1000 DEG C.
Comparative example 1：The molybdenum powder and vanadium powder in embodiment 1 are got rid of, and is prepared using preparation method same as Example 1
Obtain the powdered metallurgical material of comparative example 1.
Comparative example 2：The yttrium powder and titanium valve in embodiment 2 are got rid of, and is prepared using preparation method same as Example 2
Obtain the powdered metallurgical material of comparative example 2.
The performance of the powdered metallurgical material prepared to the embodiment of the present invention and comparative example is tested.The embodiment of the present invention and
The performance of product prepared by comparative example is as shown in the table：
The properties of product test data of table 1
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 |
| Tensile strength Mpa | 812 | 818 | 821 | 614 | 583 |
| Elongation % | 19.1 | 18.8 | 18.4 | 13.1 | 12.4 |
| Hardness HRC | 121.4 | 115.4 | 110.7 | 82.4 | 87.3 |
In table 1, product prepared by powdered metallurgical material of the embodiment of the present invention compares comparative example, has good tension strong
Degree, elongation and hardness.Gear global density prepared by the powdered metallurgical material of the present invention is uniform, and consistency is high, elongation and
Hardness is preferable, and stock utilization is high.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (6)
1. a kind of powdered metallurgical material for gear, it is characterised in that include the raw material of following parts by weight：50-65 parts iron powder,
5-9 parts zinc stearate, 2-5 parts copper powder, 3-5 parts molybdenum powder, 4-7 parts vanadium powder, 3-6 parts nickel powder, 1-3 parts yttrium powder, 2-4 parts aluminium powder, 0.9
- 1.2 parts of titanium valves of part, 0.6-1.2 parts graphite powder, 1-2 parts amino resins, 0.3-1 parts polyether modified silicon oil, the poly- second two of 0.2-1 parts
Alcohol, 0.6-1.2 parts silica, 0.5-1.5 part polyvinyl isobutyls ether, 0.5-1.2 parts carbon fibre, 0.6-1.2 parts suppress
Agent, 0.3-1 parts binding agent, 0.5-1.5 part coupling agents.
2. a kind of powdered metallurgical material for gear according to claim 1, it is characterised in that including following parts by weight
Raw material：60 parts of iron powders, 7 parts of zinc stearates, 3 parts of copper powders, 4 parts of molybdenum powders, 6 parts of vanadium powders, 4 parts of nickel powders, 2 parts of yttrium powders, 3 parts of aluminium powders, 1 part
Titanium valve, 1 part of graphite powder, 1.5 parts of amino resins, 0.8 part of polyether modified silicon oil, 0.6 part of polyethylene glycol, 1 part of silica, 1 part
Polyvinyl isobutyl ether, 0.8 part of carbon fibre, 0.8 part of inhibitor, 0.6 part of binding agent, 0.8 part of coupling agent.
A kind of 3. powdered metallurgical material for gear according to claim 1 or claim 2, it is characterised in that the inhibitor by
Tungsten carbide, niobium carbide, titanium carbide and cerium fluoride are mixed with any ratio.
A kind of 4. powdered metallurgical material for gear according to claim 1 or claim 2, it is characterised in that the binding agent by
Nickel aluminide and titanium trichloride are mixed with any ratio.
5. the preparation method of a kind of powdered metallurgical material for gear, it is characterised in that comprise the following steps：
(1) raw material of any one of Claims 1-4 4 parts by weight is taken, and by iron powder, zinc stearate, copper powder, molybdenum powder, vanadium powder, nickel
Powder, yttrium powder, aluminium powder, titanium valve, graphite powder, silica are added in mixing and blending machine and stirred, and are carried out using screen pack
Filtering, obtains solid mixture；
(2) again to the fixed mixing species add amino resins, polyether modified silicon oil, polyethylene glycol, polyvinyl isobutyl ether,
Carbon fibre, inhibitor, binding agent, coupling agent, and be well mixed with fixed mixture；
(3) solid mixture is poured into compressing in gear pressed compact mould, pressing pressure 200-350Mpa；
(4) metal material after will be compressing takes out, and carries out high temperature sintering, sintering time 3-4h；
(5) metal material obtained by high temperature sintering is subjected to immersion oil cooling, oil temperature is 20-25 DEG C, the gear production after cooling
After product carry out oil-control processing and shaping processing, that is, obtain metallurgical gear.
A kind of 6. preparation method of powdered metallurgical material for gear according to claim 5, it is characterised in that step
(3) in, the temperature of the high temperature sintering is divided into two stages, and first stage temperature is 700-800 DEG C, and second stage temperature is
900-1000℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710981143.9A CN107824778A (en) | 2017-10-20 | 2017-10-20 | Powder metallurgy material for gear and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710981143.9A CN107824778A (en) | 2017-10-20 | 2017-10-20 | Powder metallurgy material for gear and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115323281A (en) * | 2022-10-14 | 2022-11-11 | 合肥工业大学 | Fe-Cu-C base alloy material containing Al and Ti and preparation method thereof |
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| US20040177719A1 (en) * | 2003-10-03 | 2004-09-16 | Kosco John C. | Powder metal materials and parts and methods of making the same |
| JP2004292900A (en) * | 2003-03-27 | 2004-10-21 | Sanyo Special Steel Co Ltd | Alloy powder having excellent sinterability |
| CN106001548A (en) * | 2016-07-27 | 2016-10-12 | 黄宇 | Powder metallurgical gear |
| CN107008909A (en) * | 2017-03-27 | 2017-08-04 | 刘金财 | A kind of preparation method of high-precision powder metallurgical gear |
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| CN1152086A (en) * | 1996-08-29 | 1997-06-18 | 莱阳市粉末冶金厂 | Diesel engine powder metallurgical start-gear and its prodn |
| JP2004292900A (en) * | 2003-03-27 | 2004-10-21 | Sanyo Special Steel Co Ltd | Alloy powder having excellent sinterability |
| US20040177719A1 (en) * | 2003-10-03 | 2004-09-16 | Kosco John C. | Powder metal materials and parts and methods of making the same |
| CN106001548A (en) * | 2016-07-27 | 2016-10-12 | 黄宇 | Powder metallurgical gear |
| CN107008909A (en) * | 2017-03-27 | 2017-08-04 | 刘金财 | A kind of preparation method of high-precision powder metallurgical gear |
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| CN115323281A (en) * | 2022-10-14 | 2022-11-11 | 合肥工业大学 | Fe-Cu-C base alloy material containing Al and Ti and preparation method thereof |
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