CN101445898B - Low temperature heat processing method of single feeder head eutectic Al-Si alloy piston material - Google Patents
Low temperature heat processing method of single feeder head eutectic Al-Si alloy piston material Download PDFInfo
- Publication number
- CN101445898B CN101445898B CN2008101480547A CN200810148054A CN101445898B CN 101445898 B CN101445898 B CN 101445898B CN 2008101480547 A CN2008101480547 A CN 2008101480547A CN 200810148054 A CN200810148054 A CN 200810148054A CN 101445898 B CN101445898 B CN 101445898B
- Authority
- CN
- China
- Prior art keywords
- piston
- eutectic
- alloy
- piston material
- room temperature
- Prior art date
- 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
Links
Images
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
A low temperature heat processing method of single feeder head eutectic Al-Si alloy piston material is processed according to following steps: heating a cast piston in a well-type furnace to 480+(-)5 degrees centigrade, keeping the temperature for 1.5 h, then taking out from the furnace; using the water of 50 to 80 degrees centigrade to quench and cool; after quenching, heating the well-type aging furnace to 160+(-) degrees centigrade along the furnace, performing manual aging after keeping temperature for 5 , then taking out from the furnace and performing air cooling, finishing the whole process of heat process of the piston material. Each performance index of the eutectic Al-Si alloy piston material after the low temperature heat processing exceeds the each performance index order by the internal-combustion engine piston technical condition GB/T1148-93. This technical method can guarantees the piston quality and can reduce the manufacturing cost.
Description
Technical field
The present invention relates to the heat treating method of the thermal treatment process of alloy casting component, particularly eutectic Al-Si alloy piston material.
Background technology
Afterheat in casting quenching+artificial aging thermal treatment process or conventional T6 thermal treatment process are generally adopted in the thermal treatment of internal combustion engine.For in alleviating, large-scale pot type piston blank weight, can change piston blank into one-sided rising head still by two original side risers, single Feeder Design makes the temperature field of piston blank both sides differ greatly, and utilizes afterheat in casting for piston to cast and quenches, and can not guarantee the homogeneity of piston hardness.When still adopting conventional T6 thermal treatment process, the energy consumption height, the production cycle is long, and production efficiency is low, has increased production cost; Like this, in order to guarantee the enforcement of loss of weight list rising head plunger designs measure, just be badly in need of seeking a kind of novel thermal process technology that not only guarantees piston mass but also reduce production costs, enhance productivity.Work out the low-temperature heat treatment new technology for this reason.
Summary of the invention
The purpose of this invention is to provide a kind of to guarantee piston mass, the single feeder head eutectic Al-Si alloy piston material low temperature heat processing method that reduces production costs again.
The object of the present invention is achieved like this: a kind of single feeder head eutectic Al-Si alloy piston material low temperature heat processing method, and carry out according to the following steps: a), the piston after will casting is heated to 480 ℃ ± 5 ℃ in pit furnace, insulation 1.5h comes out of the stove; B), adopt 50 ℃ of-80 ℃ of water to carry out quench cooled; C), quenching then is warming up to 160 ℃ ± 5 ℃ with piston in well formula aging oven, be incubated 5h and carry out the artificial aging processing, subsequently, comes out of the stove and carries out air cooling, finishes the thermal treatment whole process of piston material; As follows by the every performance index of eutectic Al-Si alloy piston material after the low-temperature heat treatment: HB110～130, same piston difference of hardness are less than 5 HBS, and same stove piston difference of hardness is not more than 15 HBS; Tensile strength: σ
B (20 ℃)〉=247.49MPa, σ
B (300 ℃)〉=114.45MPa; Linear expansivity: α
Room temperature-200 ℃≤ 20.37 * 10
-6/ ℃, α
Room temperature-300 ℃〉=-30021.86 * 10
-6/ ℃; Volume stability: δ≤0.011%D.The eutectic Al-Si alloy piston material thermal treatment process, utilize afterheat in casting direct quenching or casting back to reheat quenching after the casting at pit furnace, carrying out artificial aging at well formula aging oven after quenching handles, timeliness is fixed in a certain temperature (for example: 220 ℃) carries out, and handles through finishing artificial aging after the certain hour insulation (for example: 8 hours).Come out of the stove after the timeliness and carry out naturally cooling, finish the thermal treatment whole process of piston material.Improve the every performance index of piston by heat-treatment quenching+artificial aging, make it to reach art work sheet the piston performance demands.Fig. 1 illustrates eutectic Al-Si alloy material piston and utilizes immediate quenching+artificial aging heat treatment cycle curve.Fig. 2 illustrates the conventional T6 heat treatment cycle curve of eutectic Al-Si alloy material.
Piston IC engine piston technical qualification GB/T1148-93 regulation, the eutectic Al-Si alloy material performance requirement is hardness: HB95～130, and same piston difference of hardness is not more than 10 HBS, and same stove piston difference of hardness is not more than 30 HBS; Tensile strength: σ
b〉=196MPa, σ
300 ℃〉=69MPa; Volume stability: δ≤0.03%D.
Performance index were as follows after existing eutectic Al-Si alloy material piston utilized immediate quenching or conventional T6 thermal treatment:
Hardness: HB107～129, same piston difference of hardness is not more than 10 HBS;
Tensile strength: σ
b〉=246.01MPa, σ
300 ℃〉=112.605MPa;
Linear expansivity: α
Room temperature-200≤ 20.74 * 10
-6/ ℃, α
Room temperature-300≤ 22.51 * 10
-6/ ℃;
Volume stability: δ≤0.023%D.
Improve and guarantee that some performance of piston adopts the way that prolongs the piston artificial aging time to reach requirement.
Adopt at present afterheat in casting direct quenching, the back of quenching differs bigger at the uniformity of hardness that well formula aging oven carries out the piston of the explained hereafter that artificial aging handles, and the otherness of volume stability is also bigger; Employing reheats quenching at pit furnace, carries out the production cost height of the piston of artificial aging process for producing after quenching at well formula aging oven, and heat treatment cycle is long, and efficient is low, the energy consumption height.
The beneficial effect of single feeder head eutectic Al-Si alloy piston material low-temperature heat treatment technology of the present invention is:
1, the piston of using the technical finesse of eutectic Al-Si alloy material piston low-temperature heat treatment with utilize afterheat in casting direct quenching after carry out the artificial aging processing at well formula aging oven and compare, the piston uniformity of hardness that low temperature heat-treatment process is handled, when obtaining high hardness and high room temperature tensile strength, volume stability has bigger lifting;
2, use eutectic Al-Si alloy material piston low-temperature heat treatment technical finesse piston and reheat quenching at pit furnace with the casting back, carrying out the artificial aging treatment process at well formula aging oven after quenching compares, low temperature heat-treatment process has reduced piston production energy consumption cost, shorten the heat treated production cycle of piston, improved 33% labor productivity.
3, eutectic Al-Si alloy material piston low temperature heat-treatment process, also much smaller because thermal treatment temp is lower to the life-span influence of heat treatment furnace, reduce maintenance of equipment time and maintenance cost, thereby further reduce the thermal treatment cost.
The heat treated principle analysis of eutectic Al-Si alloy material at low temperature of the present invention:
Eutectic Al-Si alloy material composition (%): Si:11～13; Cu:0.5～1.5; Mn :≤0.2; Mg:0.8～1.3; Ni:0.8～1.5; Fe :≤0.7; All the other Al.
When 480 ℃ of low temperature insulation solution treatment, Mg2Si, CuAl2 (θ phase), Al3Ni, Al3 strengthening phases such as (CuNi) dissolve in the αGu Rongti, contain not molten primary phase particulate non-dendritic structure simultaneously, make liquid/solid phase diffusion not reach balance, thereby become the non-dendritic structure of owing solid solution, these non-dendritic structures of owing solid solution are through becoming passivation, and it is thick can not become, thereby can not cause grain growth.
160 ℃ of ageing treatment, Mg2Si, CuAl2 (θ phase), Al3Ni, Al3 solution strengthening such as (CuNi) are separated out mutually, and the non-dendritic structure of owing the solid solution passivation may hinder the segregation of gathering of solution strengthening phase, make it to be disperse phase and distribute, alloy structure is tiny evenly, is and organizes stable state.Thereby make piston have high room temperature tensile strength, high rigidity has promoted volume stability uniformly.
Description of drawings
Fig. 1 is that existing eutectic Al-Si alloy piston material utilizes afterheat in casting quenching+artificial aging thermal treatment process diagram;
Fig. 2 is the conventional T6 heat treatment cycle curve of existing eutectic Al-Si alloy piston material figure;
Fig. 3 is an eutectic Al-Si alloy piston material low temperature heat-treatment process graphic representation of the present invention.
Embodiment
Fig. 3 illustrates, and a kind of single feeder head eutectic Al-Si alloy piston material low temperature heat processing method carries out according to the following steps: a), the piston after will casting is heated to 480 ℃ ± 5 ℃ in pit furnace, insulation 1.5h comes out of the stove; B), adopt 50 ℃ of-80 ℃ of water to carry out quench cooled; C), quenching then is warming up to 160 ℃ ± 5 ℃ with piston with stove in well formula aging oven, be incubated 5h and carry out the artificial aging processing, subsequently, comes out of the stove and carries out air cooling, finishes the thermal treatment whole process of piston material; Surpass art work sheet by the every performance index of eutectic Al-Si alloy piston material after the low-temperature heat treatment and require every performance index.Specific requirement is as follows:
Hardness: HB110～130, same piston difference of hardness are less than 5 HBS, and same stove piston difference of hardness is not more than 15 HBS;
Tensile strength: σ
B (20 ℃)〉=240MPa, σ
B (300 ℃)〉=100MPa;
Linear expansivity: α
Room temperature-200 ℃≤ 20.5 * 10
-6/ ℃, α
Room temperature-300 ℃≤ 22 * 10
-6/ ℃;
Volume stability: δ≤0.015D.
For the accuracy that guarantees to test, need each link of producing is monitored, process is as follows:
1, alloy smelting process:
(1) prepare melting equipment, instrument and stokehold
Melting equipment: gas blower, natural gas reverberatory furnace 2T claims crusher, thermocouple temperature measurement instrument;
Melting instrument: peel. the slag hitting rake. stirring tool. stop up. filtering net. slag waggon. the car of getting the raw materials ready. the alloy ingot mould;
Prepare the stokehold:
Fill in the batching advice note by Chemical Composition requirement technician, the starting material that alloy class receives acceptance(check) according to the batching advice note from storehouse (because silicon is own broken, are noted lumpiness: 20-50mm), fill in the batching source recording
The slag hitting rake. stirring tool alloy ingot mould must be coated with zinc oxide, waters wooden dipper and must be coated with stone eyebrow ink solution, could use after the oven dry
(2) reinforced melting
Earlier required whole silicon are uniformly distributed in burner hearth bottom, the 60-80% that will be equipped with good fine aluminium ingot total amount with loading board advances stove then, and silicon is all covered, intact after with the Gu plate, the Ni plate is added near bocca at the middle and upper levels, begins to light a fire to melt; Be warming up to surfaces of aluminum liquid in the pasty state after, add aluminium-manganese master alloy, add foundry returns simultaneously, continue to be warming up to 850-880 ℃ and be incubated the diffusion melting, insulation diffusion time is 10-20 minute;
Aluminium liquid through being incubated the diffusion melting must leave standstill and carry out refining degassing processing (adding insulating covering agent 0.3-0.5% in 15-20 minute again, nontoxic refining agent: 0.2-0.3%) fully stir with stirring tool, slag hitting adds magnesium (adding 760-780 ℃ of magnesium temperature) and fully stirs then, leave standstill sampling after 5 minutes, treat that composition can water outlet water ingot after qualified;
Must use filtering net during water outlet, must stir once midway.
(3) on-the-spot melting
Melting tool using: bell jar. the slagging-off wooden dipper. the necessary before use coating of thermopair;
At first should clean out on-the-spot crucible, add the off-the-shelf alloy of the same trade mark and be incubated;
When treating temperature of aluminum liquid to 760-780 ℃, add P (phosphorus) salt (outsourcing) the 0.1-0.2% processing of going bad, treatment process is: with the bell jar that is coated with punishment in advance alterant is pressed near at the bottom of the crucible, move gently abreast and finish until reaction, compression distance can suitably be adjusted according to the reaction severe degree, handled 12 minutes with getter, left standstill 15-20 minute, add slagging agent and skim.Check the triangle style, determine that gas closes modification effect. iron phase, can use after qualified.Normal good patterned surface should have tortoise spot shape to occur, and fracture is a fine texture, and even primary silicon bright spot is arranged, otherwise, must leave standstill again, inoculating and refining is handled again, until qualified.
2, cast-in-site
The piston casting mold is removed clean, preheating and carried out rising head coating, and Piston mould is assemblied in and carries out whole preheating on the worktable again, carries out coating by casting technique requirements after the whole preheating, and the 4th piston that normal water flowing is poured into a mould is as the initial workpiece blank of ordinary production.
3, sample extracts
This experiment is that piston by the production scene ordinary production carries out the scene and extracts with piston, carries out the low-temperature heat treatment experiment, and each component composition (%) by weight percentage requires as follows in the piston aluminum silicon alloy material:
Si:11～13; Cu:0.5～1.5; Mn :≤0.2; Mg:0.8～1.3; Ni:0.8～1.5; Fe :≤0.7; All the other Al.
Embodiment 1, and each component (%) is composed as follows in the described alloy:
Si:12.18; Cu:1.15; Mn:0.16; Mg:1.10; Ni:0.86; Fe:0.49; All the other Al.
Embodiment 2, and each component (%) is composed as follows in the alloy:
Si:12.62; Cu:1.12; Mn:0.15; Mg:1.09; Ni:0.88; Fe:0.39; All the other Al.
Embodiment 3, and each component (%) is composed as follows in the alloy:
Si:12.60; Cu:1.14; Mn:0.15; Mg:1.10; Ni:0.85; Fe:0.43; All the other Al.
Embodiment 4, and each component (%) is composed as follows in the alloy:
Si:12.53; Cu:1.16; Mn:0.16; Mg:1.09; Ni:0.90; Fe:0.41; All the other Al.
Embodiment 5, and each component (%) is composed as follows in the alloy:
Si:12.32; Cu:1.17; Mn:0.17; Mg:1.10; Ni:0.84; Fe:0.45; All the other Al.
Embodiment 6, and each component (%) is composed as follows in the alloy:
Si:12.48; Cu:1.15; Mn:0.15; Mg; 1.08; Ni:0.86; Fe:0.42; All the other Al.
Embodiment 7, and each component (%) is composed as follows in the alloy:
Si:12.57; Cu:1.16; Mn:0.16; Mg:1.11; Ni:0.88; Fe:0.43; All the other Al.
4, thermal treatment process
Quench treatment: the piston after will casting is heated to 480 ℃ ± 5 ℃ in pit furnace, insulation 1.5h come out of the stove (℃ heating-up time 〉=40, charging temperature≤420 minute); Carry out quench cooled at 50 ℃ of-80 ℃ of water subsequently;
Ageing treatment: the back of quenching is warming up to 160 ℃ ± 5 ℃ with piston with stove in well formula aging oven, and insulation 5h carries out artificial aging and handles (charging temperature≤120 ℃, heating-up time 〉=20 minute), comes out of the stove subsequently and carries out air cooling.
5, Performance Detection
Corresponding material mechanical performance under specific examples and the heat treatments at different
By repeatedly testing and experimental data being analyzed: in order to reduce the thermal treatment process cost of piston, guarantee under the piston visual appearance situation, use 480 ℃ ± 5 ℃ insulation 1.5h, 50～80 ℃ of quenching-in waters, 160 ℃ ± 5 ℃ insulation timeliness 5h, every experimental data performance of the piston of the art breading of natural aging 24h is as follows: hardness: HB110～130, same piston difference of hardness are less than 5 HBS, and same stove piston difference of hardness is not more than 15 HBS; Tensile strength: σ
B (20 ℃)〉=247.49MPa, σ
B (300 ℃)〉=114.45MPa; Linear expansivity: α
Room temperature-200 ℃≤ 20.37 * 10
-6/ ℃, α
Room temperature-300 ℃≤ 21.86 * 10
-6/ ℃; Volume stability: δ≤0.011D.Every performance data of piston all meets the performance index requirement of piston product requirement.
Claims (7)
1. single feeder head eutectic Al-Si alloy piston material low temperature heat processing method is characterized in that: carry out according to the following steps:
A), the piston after will casting is heated to 480 ℃ ± 5 ℃ in pit furnace, insulation 1.5h comes out of the stove;
B), adopt 50 ℃ of-80 ℃ of water to carry out quench cooled;
C), quenching then is warming up to 160 ℃ ± 5 ℃ with piston with stove in well formula aging oven, be incubated 5h and carry out the artificial aging processing, subsequently, comes out of the stove and carries out air cooling, finishes the thermal treatment whole process of piston material; As follows by the every performance index of eutectic Al-Si alloy piston material after the low-temperature heat treatment:
HB110～130, same piston difference of hardness are less than 5 HBS, and same stove piston difference of hardness is not more than 15 HBS; Tensile strength: σ
B (20 ℃)〉=247.49MPa, σ
B (300 ℃)〉=114.45MPa; Linear expansivity: α
Room temperature-200 ℃≤ 20.37 * 10
-6/ ℃, α
Room temperature-300 ℃≤ 21.86 * 10
-6/ ℃; Volume stability: δ≤0.011%D.
2. according to the described single feeder head eutectic Al-Si alloy piston material low temperature heat processing method of claim 1, it is characterized in that: each component composition requirement by weight percentage is as follows in the aluminium-silicon alloy piston material: Si:11～13%; Cu:0.5～1.5%; Mn :≤0.2%; Mg:0.8～1.3%; Ni:0.8～1.5%; Fe :≤0.7%; All the other Al.
3. according to the described single feeder head eutectic Al-Si alloy piston material low temperature heat processing method of claim 1, it is characterized in that: each component is composed as follows in the described alloy: Si:12.18%; Cu:1.15%; Mn:0.16%; Mg:1.10%; Ni:0.86%; Fe:0.49%; All the other Al; Piston after the casting heats 480 ℃ of insulations 1.5 hours in pit furnace, 65 ℃ of quenching-in waters, 160 ℃ of insulation timeliness 5h, the back air cooling of coming out of the stove; Handling the every performance index of back piston material is: hardness: HB125; Tensile strength: σ
B (20 ℃)=286.22MPa, σ
B (300 ℃)=117.15MPa; Linear expansivity: α
Room temperature-200 ℃=19.99 * 10
-6/ ℃, α
Room temperature-300 ℃=21.44 * 10
-6/ ℃; Volume stability: 0.010%D.
4. according to the described single feeder head eutectic Al-Si alloy piston material low temperature heat processing method of claim 1, it is characterized in that: Si:12.62%; Cu:1.12%; Mn:0.15%; Mg:1.09%; Ni:0.88%; Fe:0.39%; All the other Al; Piston after the casting heats 485 ℃ of insulation 1.5h in pit furnace, 55 ℃ of quenching-in waters, 160 ℃ ± 5 ℃ insulation timeliness 5h, the back air cooling of coming out of the stove; Handling the every performance index of back piston material is: hardness: HB128; Tensile strength: σ
B (20 ℃)=291.89MPa, σ
B (300 ℃)=118.47MPa; Linear expansivity: α
Room temperature-200 ℃=20.04 * 10
-6/ ℃, α
Room temperature-300 ℃=21.62 * 10
-6/ ℃; Volume stability: 0.010%D.
5. according to the described single feeder head eutectic Al-Si alloy piston material low temperature heat processing method of claim 1, it is characterized in that: Si:12.60%; Cu:1.14%; Mn:0.15%; Mg:1.10%; Ni:0.85%; Fe:0.43%; All the other Al; Piston after the casting heats 480 ℃ of insulation 1.5h in pit furnace, 60 ℃ of quenching-in waters, 160 ℃ of insulation timeliness 5h, the back air cooling of coming out of the stove; Handling the every performance index of back piston material is: hardness: HB120; Tensile strength: σ
B (20 ℃)=267.84MPa, σ
B (300 ℃)=123.25MPa; Linear expansivity: α
Room temperature-200 ℃=19.96 * 10
-6/ ℃, α
Room temperature-300 ℃=21.28 * 10
-6/ ℃; Volume stability: 0.011%D.
6. according to the described single feeder head eutectic Al-Si alloy piston material low temperature heat processing method of claim 1, it is characterized in that: Si:12.53%; Cu:1.16%; Mn:0.16%; Mg:1.09%; Ni:0.90%; Fe:0.41%; All the other Al; Piston after the casting heats 485 ℃ of insulation 1.5h in pit furnace, 65 ℃ of quenching-in waters, 160 ℃ of insulation timeliness 5h, the back air cooling of coming out of the stove; Handling the every performance index of back piston material is: hardness: HB121; Tensile strength: σ
B (20 ℃)=287.50MPa, σ
B (300 ℃)=124.71MPa; Linear expansivity: α
Room temperature-200 ℃=20.21 * 10
-6/ ℃, α
Room temperature-300 ℃=21.57 * 10
-6/ ℃; Volume stability: 0.008%D.
7. according to the described single feeder head eutectic Al-Si alloy piston material low temperature heat processing method of claim 1, it is characterized in that: Si:12.48%; Cu:1.15%; Mn:0.15%; Mg:1.08%; Ni:0.86%; Fe:0.42%; All the other Al; Piston after the casting heats 475 ℃ of insulation 1.5h in pit furnace, 75 ℃ of quenching-in waters, 165 ℃ of insulation timeliness 5h, the back air cooling of coming out of the stove; Handling the every performance index of back piston material is: hardness: HB115; Tensile strength: σ
B (20 ℃)=275.18MPa, σ
B (300 ℃)=117.11MPa; Linear expansivity: α
Room temperature-200 ℃=20.37 * 10
-6/ ℃, α
Room temperature-300 ℃=21.86 * 10
-6/ ℃; Volume stability: 0.009%D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101480547A CN101445898B (en) | 2008-12-26 | 2008-12-26 | Low temperature heat processing method of single feeder head eutectic Al-Si alloy piston material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101480547A CN101445898B (en) | 2008-12-26 | 2008-12-26 | Low temperature heat processing method of single feeder head eutectic Al-Si alloy piston material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101445898A CN101445898A (en) | 2009-06-03 |
| CN101445898B true CN101445898B (en) | 2010-06-02 |
Family
ID=40741774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101480547A Expired - Fee Related CN101445898B (en) | 2008-12-26 | 2008-12-26 | Low temperature heat processing method of single feeder head eutectic Al-Si alloy piston material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101445898B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103282531B (en) * | 2010-12-22 | 2015-07-29 | 昭和电工株式会社 | The manufacture method of brake piston blank |
| RU2525872C1 (en) * | 2013-04-23 | 2014-08-20 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" | FORMATION OF MICROSTRUCTURE OF EUTECTIC Al-Si ALLOY |
| CN104294065A (en) * | 2014-10-13 | 2015-01-21 | 重庆琴江铝合金有限公司 | Process for producing aluminum ingots |
| CN106367700B (en) * | 2016-10-17 | 2018-10-16 | 常州大学 | Eutectic Silicon in Al-Si Cast Alloys nodularization heat treatment method in a kind of cocrystallized Al-Si alloy |
| CN113621902A (en) * | 2021-07-01 | 2021-11-09 | 山东双港活塞股份有限公司 | Strengthening treatment method for aluminum-silicon alloy piston |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005068678A1 (en) * | 2004-01-15 | 2005-07-28 | Ryobi Ltd. | Heat treatment method for aluminum die-cast product |
| CN101117697A (en) * | 2007-08-31 | 2008-02-06 | 成都银河动力股份有限公司 | Double-temperature heat treating process for Al-Si alloy piston material |
| CN101117679A (en) * | 2007-08-31 | 2008-02-06 | 成都银河动力股份有限公司 | High-performance aluminum silicon alloy material and heat treatment process for piston |
-
2008
- 2008-12-26 CN CN2008101480547A patent/CN101445898B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005068678A1 (en) * | 2004-01-15 | 2005-07-28 | Ryobi Ltd. | Heat treatment method for aluminum die-cast product |
| CN101117697A (en) * | 2007-08-31 | 2008-02-06 | 成都银河动力股份有限公司 | Double-temperature heat treating process for Al-Si alloy piston material |
| CN101117679A (en) * | 2007-08-31 | 2008-02-06 | 成都银河动力股份有限公司 | High-performance aluminum silicon alloy material and heat treatment process for piston |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-91818A 2004.03.25 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101445898A (en) | 2009-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100432258C (en) | Quasi crystal phase fortified magnesium lithium alloy and its preparation method | |
| CN100482827C (en) | High-performance aluminum silicon alloy material and heat treatment process for piston | |
| CN103834834B (en) | Anode-oxidable high-performance die-casting aluminum alloy and preparation method thereof | |
| CN102312112B (en) | Composite modifier for improving thermal fatigue performances of aluminum-silicon alloy | |
| CN103981445B (en) | H13 hot-work die steel production technique | |
| CN103014463B (en) | Processing method of anti-fatigue aluminum alloy foaming die cast | |
| CN101445898B (en) | Low temperature heat processing method of single feeder head eutectic Al-Si alloy piston material | |
| CN100569976C (en) | Effectively utilize rare earth element y to strengthen the preparation method of Mg-Zn-Y-Zr series magnesium alloy | |
| CN102618738B (en) | Smelting process for aluminum-silicon master alloy | |
| CN105039817B (en) | The preparation method and multicomponent heat-resistant magnesium alloy of a kind of multicomponent heat-resistant magnesium alloy | |
| CN103484738A (en) | Production technique of high-damage-resistance aluminum alloy plate | |
| CN104073698A (en) | 6-series railway vehicle suspension arm aluminum profile and preparation method thereof | |
| CN110358950A (en) | Hypoeutectic cast aluminium-silicon alloy Modification Manners | |
| CN103103416A (en) | Smelting preparation method of heat insulation aluminum alloy profile | |
| CN107208199A (en) | The production method and AlCu alloy cast of complicated shaping casting part | |
| CN109161742A (en) | A kind of 7085 aluminium alloys and preparation method thereof adulterating Sc | |
| CN1673402A (en) | High-strength energy-saving aluminum alloy material for electric power fittings | |
| CN114293044B (en) | High-plasticity composite modified aluminum alloy part and preparation method thereof | |
| CN113637882B (en) | Aluminum alloy corrosion-resistant structural member material for electric power facilities and preparation method thereof | |
| CN103484732B (en) | A kind of centrifugal refrigeration compressor impeller alloy material and preparation method thereof | |
| BATE | Effect of heat treatment on the microstructure and mechanical properties of piston alloys | |
| CN105603274B (en) | A kind of high-strength high-ductility corrosion cast aluminium alloy gold and preparation method thereof | |
| CN103320663A (en) | Quasicrystal-containing magnesium alloy with high corrosion resistance and preparation method and application thereof | |
| CN114561572B (en) | Preparation method of 4-series aluminum alloy and 4-series aluminum alloy rod | |
| CN106834829B (en) | A kind of ship anticorodal and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHENGDU GALAXY POWER CO., LTD. Free format text: FORMER OWNER: CHENGDU GALAXIE DYNAMIC CO.,LTD Effective date: 20110620 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610505 LONGQIAO TOWN, XINDU DISTRICT, CHENGDU CITY, SICHUAN PROVINCE TO: 610505 PUWEN VILLAGE, LONGQIAO TOWN, XINDU DISTRICT, CHENGDU CITY, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110620 Address after: Longqiao Town Village Puwen Xindu District of Chengdu city of Sichuan Province in 610505 Patentee after: Chengdu Galaxy Power Co., Ltd. Address before: 610505 dragon bridge town, Xindu District, Sichuan, Chengdu Patentee before: Chengdu Galaxie Dynamic Co.,Ltd |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20121226 |