CN105755329A - Preparation method of high-strength piston material of automobile diesel engine - Google Patents
Preparation method of high-strength piston material of automobile diesel engine Download PDFInfo
- Publication number
- CN105755329A CN105755329A CN201610196831.XA CN201610196831A CN105755329A CN 105755329 A CN105755329 A CN 105755329A CN 201610196831 A CN201610196831 A CN 201610196831A CN 105755329 A CN105755329 A CN 105755329A
- Authority
- CN
- China
- Prior art keywords
- piston material
- mesh
- preparation
- diesel engine
- osmium
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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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0408—Light metal alloys
- C22C1/0416—Aluminium-based alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0084—Pistons the pistons being constructed from specific materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/90—Alloys not otherwise provided for
- F05C2201/903—Aluminium alloy, e.g. AlCuMgPb F34,37
Abstract
The invention discloses a preparation method of a high-strength piston material of an automobile diesel engine.The piston material is prepared from, by mass, zirconium 24.5%-26%, lanthanum 6.5%-8%, aluminum 52%-56%, osmium 7.5%-12% and the balance iron.
Description
Technical field
The invention belongs to auto parts machinery processing technique field, be specifically related to a kind of diesel engine of vehicle high intensity piston material and
Its preparation method.
Background technology
In order to reduce energy consumption, reduce atmospheric pollution, the efficiency of raising internal combustion engine, improve ignition temperature and become internal combustion engine
Important development trend, elevated temperature strength and high temperature abrasion resistance to internal combustion engine part are had higher requirement accordingly.Aluminum silicon closes
The thermal coefficient of expansion of gold is little, wearability is higher, lighter in weight, is modal piston material.But the elevated temperature strength of alusil alloy
Low, for improving the high-temperature behavior of alloy, the composition of piston material and preparation technology need to be improved.
Summary of the invention
Goal of the invention: the problem and shortage existed for above-mentioned prior art, it is an object of the invention to provide a kind of automobile
The preparation method of diesel engine high intensity piston material.
Technical scheme: the invention discloses the preparation method of a kind of diesel engine of vehicle high intensity piston material, described piston
The chemical composition of material and mass percent composition thereof: zirconium 24.5%-26%, lanthanum 6.5%-8%, aluminum 52%-56%, osmium
7.5%-12%, remaining is ferrum；
Described method comprises the steps:
1.1 dispensings: weigh by the mass percentage content of above-mentioned each element powders and carry out dispensing；
1.2 ball milling mixing: by the dispensing ball milling described in step 1.1, the compound after ball milling crosses 100 mesh sieves；
1.3 will sieve after compound obtain pressed compact material by mold pressing；
Vacuum chamber put into by above-mentioned pressed compact material by 1.4 pours protective gas and carries out ion bom bardment, and heat up sintering；
It is warming up to 1180 DEG C in 1.5 vacuum chambers and is incubated, 2 hours, furnace cooling.
As the further optimization of the present invention, step 1.5 of the present invention is carried out with the heating rate of 15-20 DEG C/min
Heat up.
As the further optimization of the present invention, in step 1.1 of the present invention, zirconium powder granularity is 600-1000 mesh, lanthanum powder
Granularity is 600-1000 mesh, and aluminum powder particle size is 600-1000 mesh, osmium Powder Particle Size 1000-2000 mesh, iron particle size 1000-2000
Mesh.
As the further optimization of the present invention, the chemical composition of piston material of the present invention and mass percent group thereof
Become: zirconium 24.8%, lanthanum 6.8%, aluminum 54.2%, osmium 7.5%, remaining is ferrum.
As the further optimization of the present invention, the chemical composition of piston material of the present invention and mass percent group thereof
Become: zirconium 26%, lanthanum 8%, aluminum 56%, osmium 8%, remaining is ferrum.
As the further optimization of the present invention, the chemical composition of piston material of the present invention and mass percent group thereof
Become: zirconium 25.5%, lanthanum 7.5%, aluminum 55%, osmium 9.5%, remaining is ferrum.
Beneficial effect: the present invention compared with prior art, has the advantage that the present invention is by affecting relatively high-temperature behavior
Big alloying element is added adjusting proportioning by a certain percentage, thus improves elevated temperature strength and the high high-temp stability of material,
Thus ensure structural strength and the structural stability of piston.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail, but protection scope of the present invention is described also simultaneously
Being not limited to the concrete scope of the present embodiment, based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into the scope of protection of the invention.
Embodiment 1
A kind of preparation method of the diesel engine of vehicle high intensity piston material of the present embodiment, the chemistry one-tenth of described piston material
Divide and mass percent composition: zirconium 24.5%, lanthanum 6.5%, aluminum 52%, osmium 7.5%, remaining is ferrum.
The preparation method of the present embodiment comprises the steps:
1.1 dispensings: weigh by the mass percentage content of above-mentioned each element powders and carry out dispensing；
1.2 ball milling mixing: by the dispensing ball milling described in step 1.1, the compound after ball milling crosses 100 mesh sieves；
1.3 will sieve after compound obtain pressed compact material by mold pressing；
Vacuum chamber put into by above-mentioned pressed compact material by 1.4 pours protective gas and carries out ion bom bardment, and heat up sintering；
Heat up with the heating rate of 15-20 DEG C/min in 1.5 vacuum chambers, be warming up to 1180 DEG C and be incubated, 2 hours,
Furnace cooling.
In the step 1.1 of the present embodiment, zirconium powder granularity is 1000 mesh, and lanthanum Powder Particle Size is 1000 mesh, and aluminum powder particle size is 1000
Mesh, osmium Powder Particle Size 2000 mesh, iron particle size 2000 mesh.
Embodiment 2
A kind of preparation method of the diesel engine of vehicle high intensity piston material of the present embodiment, the chemistry one-tenth of described piston material
Divide and mass percent composition: zirconium 26%, lanthanum 8%, aluminum 56%, osmium 8%, remaining is ferrum.
The preparation method of the present embodiment comprises the steps:
1.1 dispensings: weigh by the mass percentage content of above-mentioned each element powders and carry out dispensing；
1.2 ball milling mixing: by the dispensing ball milling described in step 1.1, the compound after ball milling crosses 100 mesh sieves；
1.3 will sieve after compound obtain pressed compact material by mold pressing；
Vacuum chamber put into by above-mentioned pressed compact material by 1.4 pours protective gas and carries out ion bom bardment, and heat up sintering；
Heat up with the heating rate of 15-20 DEG C/min in 1.5 vacuum chambers, be warming up to 1180 DEG C and be incubated, 2 hours,
Furnace cooling.
In the step 1.1 of the present embodiment, zirconium powder granularity is 600 mesh, and lanthanum Powder Particle Size is 600 mesh, and aluminum powder particle size is 600 mesh, osmium
Powder Particle Size 1000 mesh, iron particle size 1000 mesh.
Embodiment 3
A kind of preparation method of the diesel engine of vehicle high intensity piston material of the present embodiment, the chemistry one-tenth of described piston material
Divide and mass percent composition: zirconium 24.8%, lanthanum 6.8%, aluminum 54.2%, osmium 7.5%, remaining is ferrum.
The preparation method of the present embodiment comprises the steps:
1.1 dispensings: weigh by the mass percentage content of above-mentioned each element powders and carry out dispensing；
1.2 ball milling mixing: by the dispensing ball milling described in step 1.1, the compound after ball milling crosses 100 mesh sieves；
1.3 will sieve after compound obtain pressed compact material by mold pressing；
Vacuum chamber put into by above-mentioned pressed compact material by 1.4 pours protective gas and carries out ion bom bardment, and heat up sintering；
Heat up with the heating rate of 15-20 DEG C/min in 1.5 vacuum chambers, be warming up to 1180 DEG C and be incubated, 2 hours,
Furnace cooling.
In the step 1.1 of the present embodiment, zirconium powder granularity is 1000 mesh, and lanthanum Powder Particle Size is 1000 mesh, and aluminum powder particle size is 1000
Mesh, osmium Powder Particle Size 2000 mesh, iron particle size 2000 mesh.
Embodiment 4
A kind of preparation method of the diesel engine of vehicle high intensity piston material of the present embodiment, the chemistry one-tenth of described piston material
Divide and mass percent composition: zirconium 25.5%, lanthanum 7.5%, aluminum 55%, osmium 9.5%, remaining is ferrum.
The preparation method of the present embodiment comprises the steps:
1.1 dispensings: weigh by the mass percentage content of above-mentioned each element powders and carry out dispensing；
1.2 ball milling mixing: by the dispensing ball milling described in step 1.1, the compound after ball milling crosses 100 mesh sieves；
1.3 will sieve after compound obtain pressed compact material by mold pressing；
Vacuum chamber put into by above-mentioned pressed compact material by 1.4 pours protective gas and carries out ion bom bardment, and heat up sintering；
Heat up with the heating rate of 15-20 DEG C/min in 1.5 vacuum chambers, be warming up to 1180 DEG C and be incubated, 2 hours,
Furnace cooling.
In the step 1.1 of the present embodiment, zirconium powder granularity is 800 mesh, and lanthanum Powder Particle Size is 800 mesh, and aluminum powder particle size is 1000 mesh,
Osmium Powder Particle Size 1500 mesh, iron particle size 1800 mesh.
Embodiments of the invention are given for example with for the sake of describing, and are not exhaustively or by this
Bright it is limited to disclosed form.Many modifications and variations are apparent from for the ordinary skill in the art.Choosing
Selecting and describe embodiment is in order to the principle of the present invention and actual application are more preferably described, and makes those of ordinary skill in the art
It will be appreciated that the present invention thus design is suitable to the various embodiments with various amendments of special-purpose.
Claims (6)
1. the preparation method of a diesel engine of vehicle high intensity piston material, it is characterised in that: the chemistry one-tenth of described piston material
Divide and mass percent composition: zirconium 24.5%-26%, lanthanum 6.5%-8%, aluminum 52%-56%, osmium 7.5%-12%, remaining is ferrum；
Described method comprises the steps:
1.1 dispensings: weigh by the mass percentage content of above-mentioned each element powders and carry out dispensing；
1.2 ball milling mixing: by the dispensing ball milling described in step 1.1, the compound after ball milling crosses 100 mesh sieves；
1.3 will sieve after compound obtain pressed compact material by mold pressing；
Vacuum chamber put into by above-mentioned pressed compact material by 1.4 pours protective gas and carries out ion bom bardment, and heat up sintering；
It is warming up to 1180 DEG C in 1.5 vacuum chambers and is incubated, 2 hours, furnace cooling.
The preparation method of a kind of diesel engine of vehicle high intensity piston material the most according to claim 1, it is characterised in that: step
Rapid 1.5 heat up with the heating rate of 15-20 DEG C/min.
The preparation method of a kind of diesel engine of vehicle high intensity piston material the most according to claim 1, it is characterised in that: step
In rapid 1.1, zirconium powder granularity is 600-1000 mesh, and lanthanum Powder Particle Size is 600-1000 mesh, and aluminum powder particle size is 600-1000 mesh, osmium powder
Degree 1000-2000 mesh, iron particle size 1000-2000 mesh.
The preparation method of a kind of diesel engine of vehicle high intensity piston material the most according to claim 1, it is characterised in that: institute
State chemical composition and the mass percent composition thereof of piston material: zirconium 24.8%, lanthanum 6.8%, aluminum 54.2%, osmium 7.5%, remaining is
Ferrum.
The preparation method of a kind of diesel engine of vehicle high intensity piston material the most according to claim 1, it is characterised in that: institute
State chemical composition and the mass percent composition thereof of piston material: zirconium 26%, lanthanum 8%, aluminum 56%, osmium 8%, remaining is ferrum.
The preparation method of a kind of diesel engine of vehicle high intensity piston material the most according to claim 1, it is characterised in that: institute
State chemical composition and the mass percent composition thereof of piston material: zirconium 25.5%, lanthanum 7.5%, aluminum 55%, osmium 9.5%, remaining is
Ferrum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196831.XA CN105755329A (en) | 2016-03-31 | 2016-03-31 | Preparation method of high-strength piston material of automobile diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196831.XA CN105755329A (en) | 2016-03-31 | 2016-03-31 | Preparation method of high-strength piston material of automobile diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105755329A true CN105755329A (en) | 2016-07-13 |
Family
ID=56346877
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| CN201610196831.XA Pending CN105755329A (en) | 2016-03-31 | 2016-03-31 | Preparation method of high-strength piston material of automobile diesel engine |
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|---|---|---|---|---|
| CN1044609A (en) * | 1989-01-30 | 1990-08-15 | 太原工业大学 | The hollow cathode discharge sintering method of sintered metal product |
| CN102768928A (en) * | 2012-03-30 | 2012-11-07 | 安徽华东光电技术研究所 | Cathode salt and preparation method thereof, barium-tungsten cathode containing cathode salt and preparation method thereof |
| CN102912187A (en) * | 2012-11-21 | 2013-02-06 | 常熟市良益金属材料有限公司 | Titanium nickel aluminium molybdenum alloy material and preparation process thereof |
| CN102925754A (en) * | 2012-11-21 | 2013-02-13 | 常熟市良益金属材料有限公司 | Titanium-nickel-aluminum-niobium alloy material and preparation technique thereof |
| CN102925780A (en) * | 2012-11-21 | 2013-02-13 | 常熟市良益金属材料有限公司 | Titanium-nickel-aluminum alloy material and preparation technique thereof |
| CN102978463A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof |
| CN103045913A (en) * | 2012-11-09 | 2013-04-17 | 安徽欣意电缆有限公司 | Al-Fe-Ir-RE aluminum alloy, preparation method thereof and power cable |
| CN103103384A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Os-RE aluminium alloy, preparation method thereof and power cable |
| CN103103387A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-C-RE aluminium alloy, preparation method thereof and power cable |
| CN103103395A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Au-RE aluminium alloy, preparation method thereof and power cable |
| CN103233149A (en) * | 2013-04-26 | 2013-08-07 | 张荣森 | High-strength aluminum alloy pipe |
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2016
- 2016-03-31 CN CN201610196831.XA patent/CN105755329A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044609A (en) * | 1989-01-30 | 1990-08-15 | 太原工业大学 | The hollow cathode discharge sintering method of sintered metal product |
| CN102768928A (en) * | 2012-03-30 | 2012-11-07 | 安徽华东光电技术研究所 | Cathode salt and preparation method thereof, barium-tungsten cathode containing cathode salt and preparation method thereof |
| CN102978463A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof |
| CN103045913A (en) * | 2012-11-09 | 2013-04-17 | 安徽欣意电缆有限公司 | Al-Fe-Ir-RE aluminum alloy, preparation method thereof and power cable |
| CN103103384A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Os-RE aluminium alloy, preparation method thereof and power cable |
| CN103103387A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-C-RE aluminium alloy, preparation method thereof and power cable |
| CN103103395A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Au-RE aluminium alloy, preparation method thereof and power cable |
| CN102912187A (en) * | 2012-11-21 | 2013-02-06 | 常熟市良益金属材料有限公司 | Titanium nickel aluminium molybdenum alloy material and preparation process thereof |
| CN102925754A (en) * | 2012-11-21 | 2013-02-13 | 常熟市良益金属材料有限公司 | Titanium-nickel-aluminum-niobium alloy material and preparation technique thereof |
| CN102925780A (en) * | 2012-11-21 | 2013-02-13 | 常熟市良益金属材料有限公司 | Titanium-nickel-aluminum alloy material and preparation technique thereof |
| CN103233149A (en) * | 2013-04-26 | 2013-08-07 | 张荣森 | High-strength aluminum alloy pipe |
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Application publication date: 20160713 |
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