CN1317410C - Abrasion resistant, heat resistant high silicone aluminium alloy and its shaping technology - Google Patents
Abrasion resistant, heat resistant high silicone aluminium alloy and its shaping technology Download PDFInfo
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- CN1317410C CN1317410C CNB2005100459831A CN200510045983A CN1317410C CN 1317410 C CN1317410 C CN 1317410C CN B2005100459831 A CNB2005100459831 A CN B2005100459831A CN 200510045983 A CN200510045983 A CN 200510045983A CN 1317410 C CN1317410 C CN 1317410C
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- abrasion
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- 238000005516 engineering process Methods 0.000 title abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 title abstract description 11
- 238000005299 abrasion Methods 0.000 title abstract description 7
- 238000007493 shaping process Methods 0.000 title description 2
- 229920001296 polysiloxane Polymers 0.000 title 1
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 28
- 239000000956 alloy Substances 0.000 claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011777 magnesium Substances 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910000551 Silumin Inorganic materials 0.000 claims description 9
- 239000011572 manganese Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000004615 ingredient Substances 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 2
- 229910000765 intermetallic Inorganic materials 0.000 abstract 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 11
- 230000032683 aging Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910021364 Al-Si alloy Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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Abstract
The present invention provides multicomponent system abrasion-resistant heat-resistant high silicon aluminum alloy and a molding technology thereof. The component of alloy measured by weight percentage is 15 to 20 of silicon, 2.0 to 5.0 of iron, 1.0 to 3.0 of manganese, 1.0 to 4.0 of copper, 0.5 to 1.5 of magnesium, 1.0 to 3.0 of nickel, and surplus aluminum. The goal of component design is to reduce the bad effect of gross silicon phases by alloyage, and in the molding technology, semisolid extrusion molding is adopted after alloy is smelted. Silicon phases and other intermetallic compound phases are further refined by utilizing the crushing effect of a semisolid molding process to silicon phases, and therefore, the alloy has favorable abrasion resistance and heat resistance. Favorable social benefits and economic benefits can be obtained by using the abrasion-resistant heat-resistant high silicon aluminum alloy and the molding technology thereof disclosed by the present invention for producing aluminum alloy abrasion-resistant heat-resistant components for automobile engines and compressors in a bulk mode.
Description
Technical field
The invention belongs to the technical field of rotten aluminum base alloy, specially refer to the technology that changes the aluminum base alloy physical structure by hot-work.
Background technology
The hypereutectic al-si that adopts low density, high abrasion is that traditional motor car engine, compressor cast iron and the steel casting of alloy components replacement is the target that the investigation of materials worker pursues for many years.Transcocrystallized Al-Si alloy has characteristics such as thermal expansivity is low, density is little, thermal conductivity is good, wear-resisting, anti-corrosion because of it, be particularly suitable for making the light wear-resistant component, so, especially in automotive industry, be widely used in fields such as Aeronautics and Astronautics, communications and transportation, mechanical workouts.Yet, traditional prepared hypereutectic Al-Si of ingot metallurgy technology is an alloy, the mutually thick popularization that limits its application of its primary silicon, though adopt the method for refinement primary silicon, but it is very limited to casting brilliant thinning effect, and using this method that the element silicon add-on is restricted, the wear resisting property of alloy is difficult to be improved.
Contradiction between the appearance of flash set technology and development can partly solve the element silicon add-on and primary silicon be mutually thick, but flash set technology complex technical process and manufacturing cost are too high, have limited its practical application, the particularly application in civil area.In addition, also can obtain to have thin crystalline substance and high-volume fractional second aluminium alloy of element silicon mutually with the manufacturing process of matrix material, but compounding technology equally also has complex process, cost height, and the even phase interface of the second phase skewness is in conjunction with problem such as bad.
Summary of the invention
The present invention is directed to the problems referred to above of the aluminium alloy existence that contains high silicon, proposed a kind of heat-resisting, attrition resistant silumin and corresponding moulding process.Purpose of the present invention not only will be sought a kind of good wear resistance and higher stable on heating new alloy of having concurrently, and will propose a kind of new approach mutually for the refinement alloy strengthening.
Wear-resisting, heat-resisting silumin proposed by the invention is characterized in that the chemical ingredients (percentage ratio calculating by weight) of alloy is silicon (Si): 15～20; Iron (Fe): 2.0～5.0; Manganese (Mn): 1.0～3.0; Copper (Cu): 1.0～4.0; Magnesium (Mg): 0.5～1.5; Nickel (Ni): 1.0～3.0; Aluminium (Al) is surplus.
The invention allows for a kind of and above-mentioned alloy and make the alloy shaping process that component adapt, it is characterized in that silumin is adopted the semi-solid state extrusion molding after melting.
The whole process of above-mentioned moulding process is: adopt conventional aluminium alloy casting melting technology earlier, through casting ingot-forming after the melting.Adopt machining process to make its size reach the requirement of extrusion mould on ingot casting.The extrusion ingot that machining is good (billet) carries out second-heating to be handled, Heating temperature is determined according to alloying constituent, when the liquid phase volume in the billet reaches 20～40Vol%, to be in semi-solid billet and put into extrusion mould, set the working parameter of extrusion machine, finally extrusion molding in mould according to the specification of component.After the parts of extrusion molding passed through solid solution and ageing treatment again, wear resisting property was good, and mechanical property also is greatly improved.
By metallurgical analysis, the tissue of discovery silumin after the semi-solid state extrusion molding compared with as-cast structure significant variation taken place, thick rich iron phase disappears and is converted into the comparatively near granular phase of rounding, the size of silicon phase generally diminishes and roundingization, the big silicon of discrete occurs and also trend towards being spherical mutually, this should be the reason that semi-solid state moulding component performance improves.
Wear-resisting, Heat-resistant High-silicon Aluminum Alloy And Its Forming Process provided by the present invention has the following advantages mutually on year-on-year basis with existing silumin and moulding process:
1, new alloy of the present invention has good wear resistance and thermotolerance;
2, moulding process of the present invention, technology is simple, and cost is low, has solved the expensive problem of flash set technology and composite material manufacturing technology, will widen the Application Areas that contains high-silicon abrasion resistant, heat-resisting silumin greatly;
3, its metallographic structure of parts with alloy of the present invention and technology manufacturing has obvious variation, and its comprehensive mechanical performance is greatly improved.
Description of drawings
Fig. 1 is the microtexture after aluminium alloy process semi-solid state extrusion molding of the present invention and the thermal treatment;
Embodiment
Below in conjunction with embodiment content of the present invention is done further to replenish and explanation.For to avoid too much repetition, necessary omission has been made in many places in to the narration process of embodiment.
Embodiment 1:
Press following chemical ingredients (wt%): Si 17; Fe 5; Mn 3; Ni 2 preparation master alloys, the composition of master alloy is Si35Al65; Fe15Al85; Mn10Al90; Ni5Al95, and with the form of master alloy with Cu 2, the aluminium of Mg 1 and surplus together adds in the electric furnace.The energising heat fused is handled the back through refinement and denaturation and be frozen into ingot casting under the condition of induction stirring.
Ingot casting is carried out mechanical workout make its size reach the requirement of extrusion mould, promptly make billet.
The billet that processes is carried out second-heating, and Heating temperature is determined according to alloying constituent.When the liquid phase component in the billet reaches 40Vol%, will be in semi-solid billet and put into extrusion mould, press the specification requirement of component and set extrusion machine working parameter, extrusion molding in mould.Make needed component through solid solution and ageing treatment again.
This moment, the mechanical property of alloy was as shown in table 1, and raising is clearly arranged.
The mechanical property of table 1:Al-17Si-5Fe-3Mn-2Cu-Mg-2Ni
| Extrusion ratio | Tensile strength R m(N/mm 2) | Elongation A (%) |
| 10 | 192 | 1.5 |
Embodiment 2:
Press following chemical ingredients (wt%): Si 15; Fe 5; Mn 1; Ni 3 and an amount of Al are mixed with master alloy, and again with Cu 4, the Al of Mg 0.5 and surplus together adds in the vacuum electric furnace, the energising heat fused, and 800 ℃ of smelting temperatures are incubated 30 minutes.Casting ingot-forming under the induction stirring condition.Again ingot casting is carried out mechanical workout and make billet.
Billet is carried out second-heating, Heating temperature is 560 ℃, liquid phase component reaches 20Vol% and puts into extrusion mould and press the working parameter that extrusion machine is set in the specification requirement of component in billet, and extrusion molding in mould is finally made needed component through solid solution and ageing treatment again.
Embodiment 3:
Press following chemical ingredients (wt%): Si 20; Fe 2; Mn 2; Ni 1 and an amount of Al are mixed with master alloy, and same Cu1, the Al of Mg 1.5 and surplus together drop in the crucible of vacuum electric furnace, the energising heat fused, and 800 ℃ of melt temperatures are incubated 30 minutes.Casting ingot-forming under induction stirring.Pig moulding machine is processed into the extruding billet.
Billet is carried out second-heating, Heating temperature is 560 ℃, when liquid phase component reaches 30Vol% in the billet, put into extrusion mould and press the working parameter that extrusion machine is set in the specification requirement of component, extrusion molding in mould is heat-treated through the standard identical with preceding embodiment and is finally made required component.
Embodiment 4:
Press following chemical ingredients (wt%): Si 17; Fe 3.5; Mn 2; Ni 2 and an amount of Al are mixed with master alloy, with Cu 3; The Al of Mg 1 and surplus together drops in the vacuum electric furnace, the energising heat fused, and 800 ℃ of melt temperatures are incubated 30 minutes.Casting ingot-forming under induction stirring.Again pig moulding machine is processed into the extruding billet.
Billet is carried out second-heating, Heating temperature is 560 ℃, put into extrusion mould and press the working parameter that extrusion machine is set in the specification requirement of component when liquid phase component reaches 35Vol% in the billet, extrusion molding in mould is finally made needed component through solution treatment and ageing treatment again.Component hardness raising provided by the present invention reaches HB196; Tensile strength reaches 200MPa; Unit elongation reaches 1.5%, and under identical friction condition, wear weight loss only is about 50% of an as cast condition Al-17Si alloy.
In a word, alloy of the present invention has good wear-resisting, resistance toheat, use silumin of the present invention and moulding process thereof, produce wear-resisting, the heat-resisting component of aluminium alloy that steam supply car engine and compressor are used in batches, be expected to obtain good social benefit and economic benefit.
Claims (2)
1, a kind of wear-resisting, heat-resisting silumin, it is characterized in that: the chemical ingredients of alloy percentage ratio by weight is calculated as: silicon: 15～20; Iron: 2.0～5.0; Manganese: 1.0～3.0; Copper: 1.0～4.0; Magnesium: 0.5～1.5; Nickel: 1.0～3.0; All the other are aluminium.
2, the moulding process of described wear-resisting, the heat-resisting silumin of claim 1, the chemical ingredients of this alloy percentage ratio is by weight counted: silicon: 15～20; Iron: 2.0～5.0; Manganese: 1.0～3.0; Copper: 1.0～4.0; Magnesium: 0.5～1.5; Nickel: 1.0～3.0; All the other are aluminium, and the moulding process that it is characterized in that this alloy is to adopt the extrusion molding of semi-solid state billet behind alloy melting, and the volume fraction of liquid phase component is 20～40Vol% in the described semi-solid state billet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100459831A CN1317410C (en) | 2005-03-09 | 2005-03-09 | Abrasion resistant, heat resistant high silicone aluminium alloy and its shaping technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100459831A CN1317410C (en) | 2005-03-09 | 2005-03-09 | Abrasion resistant, heat resistant high silicone aluminium alloy and its shaping technology |
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| Publication Number | Publication Date |
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| CN1651586A CN1651586A (en) | 2005-08-10 |
| CN1317410C true CN1317410C (en) | 2007-05-23 |
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| CNB2005100459831A Expired - Fee Related CN1317410C (en) | 2005-03-09 | 2005-03-09 | Abrasion resistant, heat resistant high silicone aluminium alloy and its shaping technology |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE376075T1 (en) * | 2005-08-22 | 2007-11-15 | Rheinfelden Aluminium Gmbh | HEAT-RESISTANT ALUMINUM ALLOY |
| CN102764957B (en) * | 2012-07-12 | 2014-11-05 | 东北大学 | Method for manufacturing hypereutectic aluminum-silicon alloy engine cylinder sleeve |
| CN105331909B (en) * | 2014-08-07 | 2017-09-12 | 慈溪阿尔特新材料有限公司 | The still heat treatment method of semisolid Al-Si alloy rheo-diecasting part |
| CN105603267A (en) * | 2015-12-24 | 2016-05-25 | 黄山市强峰铝业有限公司 | Wear-resistant aluminum alloy material for doors and windows and preparation method for material |
| CN105716277B (en) * | 2016-02-03 | 2018-09-11 | 黄山星辰新能源科技有限公司 | A kind of directly-heated type Teat pump boiler |
| CN105909525A (en) * | 2016-06-28 | 2016-08-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Sliding vane compressor and household appliance |
| CN107058816A (en) * | 2017-01-23 | 2017-08-18 | 沈阳工业大学 | A kind of semi-solid-state shaping hypereutectic Al Si alloys and preparation method thereof |
| CN107385284B (en) * | 2017-06-30 | 2019-03-08 | 四川化工职业技术学院 | A kind of preparation method of high-speed rail transcocrystallized Al-Si alloy |
| CN108165842B (en) * | 2017-12-25 | 2019-08-16 | 广东省材料与加工研究所 | A kind of semisolid pressure casting high thermal conductivity aluminium alloy and its pressure casting method |
| CN110129632B (en) * | 2019-06-25 | 2021-05-11 | 江苏亚太航空科技有限公司 | Method for processing aluminum profile for movable and static disc of scroll compressor |
| CN110643861B (en) * | 2019-10-08 | 2021-07-13 | 佛山科学技术学院 | A thermally conductive aluminum alloy and preparation process |
| CN113802034B (en) * | 2021-08-23 | 2022-12-02 | 合肥工业大学 | A kind of heat-resistant aluminum alloy for piston, preparation method and performance |
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| CN85102202A (en) * | 1985-04-01 | 1986-03-10 | 陕西机械学院 | The medium Si-Mg-Te series high strength alloy cast aluminum |
| CN85102230A (en) * | 1985-04-01 | 1986-07-02 | 陕西机械学院 | Cocrystalline si, mg, te series high strength alloy cast aluminum |
| CN85102237B (en) * | 1985-04-01 | 1988-02-17 | 陕西机械学院 | Low-Si-Cu-Mg-Te high-strength cast aluminum alloy |
| CN1041399A (en) * | 1988-09-26 | 1990-04-18 | 皮奇尼研究所 | Produce the method that still keeps the Al-alloy parts of good fatigue strength after being heated for a long time |
| US6511555B2 (en) * | 1999-06-04 | 2003-01-28 | Vaw Aluminium Ag | Cylinder head and motor block castings |
-
2005
- 2005-03-09 CN CNB2005100459831A patent/CN1317410C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102202A (en) * | 1985-04-01 | 1986-03-10 | 陕西机械学院 | The medium Si-Mg-Te series high strength alloy cast aluminum |
| CN85102230A (en) * | 1985-04-01 | 1986-07-02 | 陕西机械学院 | Cocrystalline si, mg, te series high strength alloy cast aluminum |
| CN85102237B (en) * | 1985-04-01 | 1988-02-17 | 陕西机械学院 | Low-Si-Cu-Mg-Te high-strength cast aluminum alloy |
| CN1041399A (en) * | 1988-09-26 | 1990-04-18 | 皮奇尼研究所 | Produce the method that still keeps the Al-alloy parts of good fatigue strength after being heated for a long time |
| US6511555B2 (en) * | 1999-06-04 | 2003-01-28 | Vaw Aluminium Ag | Cylinder head and motor block castings |
Non-Patent Citations (1)
| Title |
|---|
| 合金元素在压铸合金中德作用及研究现状 李荣德等，特种铸造及有色合金，第1期 2004 * |
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Assignee: Fuxin Wanda Casting Co.,Ltd. Assignor: Shenyang University of Technology Contract fulfillment period: 2008.11.16 to 2013.11.16 contract change Contract record no.: 2009210000009 Denomination of invention: Abrasion resistant, heat resistant high silicone aluminium alloy and its shaping technology Granted publication date: 20070523 License type: Exclusive license Record date: 2009.3.11 |
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