CN105603288A - Aluminum alloy raw material for automobile exhaust pipe and preparation method for material - Google Patents
Aluminum alloy raw material for automobile exhaust pipe and preparation method for material Download PDFInfo
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- CN105603288A CN105603288A CN201510983643.7A CN201510983643A CN105603288A CN 105603288 A CN105603288 A CN 105603288A CN 201510983643 A CN201510983643 A CN 201510983643A CN 105603288 A CN105603288 A CN 105603288A
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- iron
- automobile exhaust
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/06—Alloys based on chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/16—Selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2530/00—Selection of materials for tubes, chambers or housings
- F01N2530/02—Corrosion resistive metals
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses an aluminum alloy raw material for an automobile exhaust pipe and a preparation method for the material. The material is prepared from the following raw materials in parts by weight: 3-11 parts of silicon, 30-42 parts of chromium, 10-18 parts of manganese, 3-8 parts of carbon, 2-6 parts of niobium, 3.5-8 parts of magnesium, 6-15 parts of zinc, 2-4 parts of copper, 2-4 parts of nitrogen, 11-15 parts of nickel and the balance of iron and inevitable impurities. The material has excellent characteristics of forming property, corrosion resistance, high temperature resistance, deep drawability with good oxidation resistance, smooth exhausting, no pollution, energy conservation, environmental protection, low cost and long service life, thereby having a wide development space in lightweight, energy-saving and environment-friendly development of automobile materials nowadays.
Description
Technical field
The present invention relates to blast pipe technical field, be specifically related to the effective aluminium alloy stock of a kind of automobile exhaust and preparation side thereofMethod.
Background technology
Along with China's economy maintains sustained and rapid growth, people's living standard is also more and more higher, and especially automobile becomesSociety resident new consumption hotspot. Current, energy-saving and emission-reduction have become the sharp weapon of automobile industry competition, the therefore row of automobileAlso all the more important just of gas system, and add a small amount of element such as Mn, Nb in ferroalloy, has ferroalloy good darkPunching property, and can improve other performances of gas extraction system. Therefore, the invention provides a kind of automobile exhaust system of new material, toolHave that good mouldability, corrosion resistance, high temperature resistant, anti-oxidant good deep drawing quality, exhaust are smooth and easy, pollution-free, energy-conserving and environment-protective, reductionCost, the characteristic increasing the service life, the today at current automotive material to lightweight, energy-saving and environmental protection future development, have wideWealthy development space.
Summary of the invention
For addressing the above problem, the invention provides effective aluminium alloy stock of a kind of automobile exhaust and preparation method thereof.
For achieving the above object, the technical scheme that the present invention takes is:
Effective aluminium alloy stock of a kind of automobile exhaust and preparation method thereof, comprises by the raw material of following weight portion and being prepared from:
3～11 parts of silicon, 30～42 parts of chromium, 10～18 parts, manganese, 3～8 parts, carbon, 2～6 parts of niobiums, 3.5～8 parts, magnesium, zinc 6～15 parts, 2～4 parts of copper, 2～4 parts, nitrogen, 11～15 parts, nickel, all the other are iron and inevitable impurity.
Further, comprise the steps:
S1, take 3～11 parts of a certain amount of silicon, 30～42 parts of chromium, 10～18 parts, manganese, 3～8 parts, carbon, 2～6 parts of niobiums, magnesium3.5～8 parts, 6～15 parts, zinc, 2～4 parts of copper, 2～4 parts, nitrogen, 11～15 parts, nickel, all the other are that iron and inevitable impurity are standbyWith, first in smelting furnace, add chromium and iron, obtain iron iron hybrid metal liquid;
S2, in iron iron hybrid metal liquid in step S1 smelting furnace, drop into silicon, manganese, carbon, niobium, magnesium, zinc and nitrogen nickel, high-temperature fusionAfter obtain metal mixed liquid;
S3, the metal mixed liquid of step S2 gained is passed into nitrogen carry out repeatedly refining degas operation;
S4, the metal mixed liquid after step S3 refining is poured in conticaster and carried out casting operation, obtain Low Carbon Iron ferroalloy plateMaterial;
S5, add cupric electrolysis to carry out two-sided copper facing operation by electroplating machine gained Low Carbon Iron ferroalloy sheet material in step S4, soAfter carry out being rolled into tubulose 2-3 time through roller press, put and be welded into air gap pipes first product by a brazier;
S6, step S4 gained blast pipe first product is carried out to hot rolling operation by finishing mill, after polishing by Plane surface grinding machine, obtainBlast pipe finished product;
S7, by the blast pipe finished product of step S5 gained, by straightening, slitting and packaging warehouse-in.
Further, in described step S1, smelting temperature is 800～900 DEG C, and smelting time is 1～2h.
Further, in described step S4, casting temperature is 800～1000 DEG C.
Further, in described step S6, final rolling temperature is 600 DEG C～800 DEG C, and the time is 0.5～1hh.
The present invention have good mouldability, corrosion resistance, high temperature resistant, anti-oxidant good deep drawing quality, exhaust smooth and easy, without dirtyDye, energy-conserving and environment-protective, the characteristic that reduces costs, increase the service life, at current automotive material to lightweight, energy-saving and environmental protection directionToday of development, there is wide development space.
Detailed description of the invention
In order to make objects and advantages of the present invention clearer, below in conjunction with embodiment, the present invention is carried out further in detailExplanation. Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention includes by the raw material of following weight portion and be prepared from: the raw material by following weight portion is prepared from:
3～11 parts of silicon, 30～42 parts of chromium, 10～18 parts, manganese, 3～8 parts, carbon, 2～6 parts of niobiums, 3.5～8 parts, magnesium, zinc 6～15 parts, 2～4 parts of copper, 2～4 parts, nitrogen, 11～15 parts, nickel, all the other are iron and inevitable impurity.
Effective aluminium alloy stock of a kind of automobile exhaust and preparation method thereof, comprises the steps:
S1, take 3～11 parts of a certain amount of silicon, 30～42 parts of chromium, 10～18 parts, manganese, 3～8 parts, carbon, 2～6 parts of niobiums, magnesium3.5～8 parts, 6～15 parts, zinc, 2～4 parts of copper, 2～4 parts, nitrogen, 11～15 parts, nickel, all the other are that iron and inevitable impurity are standbyWith, first in smelting furnace, add chromium and iron, obtain iron iron hybrid metal liquid;
S2, in iron iron hybrid metal liquid in step S1 smelting furnace, drop into silicon, manganese, carbon, niobium, magnesium, zinc and nitrogen nickel, high-temperature fusionAfter obtain metal mixed liquid;
S3, the metal mixed liquid of step S2 gained is passed into nitrogen carry out repeatedly refining degas operation;
S4, the metal mixed liquid after step S3 refining is poured in conticaster and carried out casting operation, obtain Low Carbon Iron ferroalloy plateMaterial;
S5, add cupric electrolysis to carry out two-sided copper facing operation by electroplating machine gained Low Carbon Iron ferroalloy sheet material in step S4, soAfter carry out being rolled into tubulose 2-3 time through roller press, put and be welded into air gap pipes first product by a brazier;
S6, step S4 gained blast pipe first product is carried out to hot rolling operation by finishing mill, after polishing by Plane surface grinding machine, obtainBlast pipe finished product;
S7, by the blast pipe finished product of step S5 gained, by straightening, slitting and packaging warehouse-in.
In described step S1, smelting temperature is 800～900 DEG C, and smelting time is 1～2h.
In described step S4, casting temperature is 800～1000 DEG C.
In described step S6, final rolling temperature is 600 DEG C～800 DEG C, and the time is 0.5～1h.
Embodiment 1:
S1, take 8 parts of a certain amount of silicon, 38 parts of chromium, 15 parts, manganese, 5 parts, carbon, 5 parts of niobiums, 4 parts, magnesium, 8 parts, zinc, 3 parts of copper,2～4 parts, nitrogen, 13 parts, nickel, all the other are that iron and inevitable impurity are for subsequent use, first in smelting furnace, add chromium and iron, obtain iron ironHybrid metal liquid;
S2, in iron iron hybrid metal liquid in step S1 smelting furnace, drop into silicon, manganese, carbon, niobium, magnesium, zinc and nitrogen nickel, high-temperature fusionAfter obtain metal mixed liquid;
S3, the metal mixed liquid of step S2 gained is passed into nitrogen carry out repeatedly refining degas operation;
S4, the metal mixed liquid after step S3 refining is poured in conticaster and carried out casting operation, obtain Low Carbon Iron ferroalloy plateMaterial;
S5, add cupric electrolysis to carry out two-sided copper facing operation by electroplating machine gained Low Carbon Iron ferroalloy sheet material in step S4, soAfter carry out being rolled into tubulose 2-3 time through roller press, put and be welded into air gap pipes first product by a brazier;
S6, step S4 gained blast pipe first product is carried out to hot rolling operation by finishing mill, after polishing by Plane surface grinding machine, obtainBlast pipe finished product;
S7, by the blast pipe finished product of step S5 gained, by straightening, slitting and packaging warehouse-in.
In described step S1, smelting temperature is 860 DEG C, and smelting time is 1h.
In described step S4, casting temperature is 900 DEG C.
In described step S6, final rolling temperature is 700 DEG C, and the time is 0.8h.
Embodiment 2:
S1, take 11 parts of a certain amount of silicon, 42 parts of chromium, 18 parts, manganese, 8 parts, carbon, 6 parts of niobiums, 8 parts, magnesium, 15 parts, zinc, 4 parts of copper, nitrogen 2～15 parts of 4 parts, nickel, all the other are that iron and inevitable impurity are for subsequent use, first in smelting furnace, add chromium and iron, obtain iron iron hybrid metalLiquid;
S2, in iron iron hybrid metal liquid in step S1 smelting furnace, drop into silicon, manganese, carbon, niobium, magnesium, zinc and nitrogen nickel, high-temperature fusionAfter obtain metal mixed liquid;
S3, the metal mixed liquid of step S2 gained is passed into nitrogen carry out repeatedly refining degas operation;
S4, the metal mixed liquid after step S3 refining is poured in conticaster and carried out casting operation, obtain Low Carbon Iron ferroalloy plateMaterial;
S5, add cupric electrolysis to carry out two-sided copper facing operation by electroplating machine gained Low Carbon Iron ferroalloy sheet material in step S4, soAfter carry out being rolled into tubulose 2-3 time through roller press, put and be welded into air gap pipes first product by a brazier;
S6, step S4 gained blast pipe first product is carried out to hot rolling operation by finishing mill, after polishing by Plane surface grinding machine, obtainBlast pipe finished product;
S7, by the blast pipe finished product of step S5 gained, by straightening, slitting and packaging warehouse-in.
In described step S1, smelting temperature is 900 DEG C, and smelting time is 2h.
In described step S4, casting temperature is 1000 DEG C.
In described step S6, final rolling temperature is 800 DEG C, and the time is 1h.
Embodiment 3:
S1, take 3 parts of a certain amount of silicon, 30 parts of chromium, 10 parts, manganese, 3 parts, carbon, 2 parts of niobiums, 3.5 parts, magnesium, 6 parts, zinc, copper 2Part, 2～4 parts, nitrogen, 11 parts, nickel, all the other are that iron and inevitable impurity are for subsequent use, first in smelting furnace, add chromium and iron, obtain ironIron hybrid metal liquid;
S2, in iron iron hybrid metal liquid in step S1 smelting furnace, drop into silicon, manganese, carbon, niobium, magnesium, zinc and nitrogen nickel, high-temperature fusionAfter obtain metal mixed liquid;
S3, the metal mixed liquid of step S2 gained is passed into nitrogen carry out repeatedly refining degas operation;
S4, the metal mixed liquid after step S3 refining is poured in conticaster and carried out casting operation, obtain Low Carbon Iron ferroalloy plateMaterial;
S5, add cupric electrolysis to carry out two-sided copper facing operation by electroplating machine gained Low Carbon Iron ferroalloy sheet material in step S4, soAfter carry out being rolled into tubulose 2-3 time through roller press, put and be welded into air gap pipes first product by a brazier;
S6, step S4 gained blast pipe first product is carried out to hot rolling operation by finishing mill, after polishing by Plane surface grinding machine, obtainBlast pipe finished product;
S7, by the blast pipe finished product of step S5 gained, by straightening, slitting and packaging warehouse-in.
In described step S1, smelting temperature is 800 DEG C, and smelting time is 1h.
In described step S4, casting temperature is 800 DEG C.
In described step S6, final rolling temperature is 600 DEG C, and the time is 0.5h.
The present invention have good mouldability, corrosion resistance, high temperature resistant, anti-oxidant good deep drawing quality, exhaust smooth and easy, without dirtyDye, energy-conserving and environment-protective, the characteristic that reduces costs, increase the service life, at current automotive material to lightweight, energy-saving and environmental protection directionToday of development, there is wide development space.
The above is only the preferred embodiment of the present invention, it should be pointed out that the ordinary skill people for the artMember, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications also shouldBe considered as protection scope of the present invention.
Claims (5)
1. the effective aluminium alloy stock of automobile exhaust, is characterized in that, comprises by the raw material of following weight portion and being prepared from:
3～11 parts of silicon, 30～42 parts of chromium, 10～18 parts, manganese, 3～8 parts, carbon, 2～6 parts of niobiums, 3.5～8 parts, magnesium, zinc 6～15 parts, 2～4 parts of copper, 2～4 parts, nitrogen, 11～15 parts, nickel, all the other are iron and inevitable impurity.
2. effective aluminium alloy stock of automobile exhaust and preparation method thereof, is characterized in that, comprises the steps:
S1, take 3～11 parts of a certain amount of silicon, 30～42 parts of chromium, 10～18 parts, manganese, 3～8 parts, carbon, 2～6 parts of niobiums, magnesium3.5～8 parts, 6～15 parts, zinc, 2～4 parts of copper, 2～4 parts, nitrogen, 11～15 parts, nickel, all the other are that iron and inevitable impurity are standbyWith, first in smelting furnace, add chromium and iron, obtain iron iron hybrid metal liquid;
S2, in iron iron hybrid metal liquid in step S1 smelting furnace, drop into silicon, manganese, carbon, niobium, magnesium, zinc and nickel, after high-temperature fusionObtain metal mixed liquid; Leave standstill certain hour;
S3, the metal mixed liquid of step S2 gained is passed into nitrogen carry out repeatedly refining degas operation;
S4, the metal mixed liquid after step S3 refining is poured in conticaster and carried out casting operation, obtain Low Carbon Iron ferroalloy plateMaterial;
S5, add cupric electrolysis to carry out two-sided copper facing operation by electroplating machine gained Low Carbon Iron ferroalloy sheet material in step S4, soAfter carry out being rolled into tubulose 2-3 time through roller press, put and be welded into air gap pipes first product by a brazier;
S6, step S4 gained blast pipe first product is carried out to hot rolling operation by finishing mill, after polishing by Plane surface grinding machine, obtainBlast pipe finished product;
S7, by the blast pipe finished product of step S5 gained, by straightening, slitting and packaging warehouse-in.
3. effective aluminium alloy stock of a kind of automobile exhaust according to claim 2 and preparation method thereof, is characterized in that, instituteStating smelting temperature in step S1 is 800～900 DEG C, and smelting time is 1～2h.
4. effective aluminium alloy stock of a kind of automobile exhaust according to claim 2 and preparation method thereof, is characterized in that, instituteStating casting temperature in step S4 is 800～1000 DEG C.
5. effective aluminium alloy stock of a kind of automobile exhaust according to claim 2 and preparation method thereof, is characterized in that, instituteStating final rolling temperature in step S6 is 600 DEG C～800 DEG C, and the time is 0.5～1h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983643.7A CN105603288A (en) | 2015-12-24 | 2015-12-24 | Aluminum alloy raw material for automobile exhaust pipe and preparation method for material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983643.7A CN105603288A (en) | 2015-12-24 | 2015-12-24 | Aluminum alloy raw material for automobile exhaust pipe and preparation method for material |
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| CN105603288A true CN105603288A (en) | 2016-05-25 |
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| CN201510983643.7A Pending CN105603288A (en) | 2015-12-24 | 2015-12-24 | Aluminum alloy raw material for automobile exhaust pipe and preparation method for material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100203357A1 (en) * | 2007-07-31 | 2010-08-12 | Yoshiaki Hori | Al-plated steel sheet for exhaust gas passageway members of motorcycles excellent in high-temperature strength and the members |
| CN101949474A (en) * | 2010-02-05 | 2011-01-19 | 西峡县西泵特种铸造有限公司 | Heat-resistance stainless steel exhaust pipe and manufacturing method thereof |
| CN103290283A (en) * | 2013-06-24 | 2013-09-11 | 靖江市新程汽车零部件有限公司 | Thermal insulation board of automobile exhaust pipe and manufacturing method thereof |
| CN106282682A (en) * | 2016-08-04 | 2017-01-04 | 新昌县万瑞铸造有限公司 | A kind of aluminium alloy and the automobile exhaust pipe being made up of this kind of aluminium alloy |
-
2015
- 2015-12-24 CN CN201510983643.7A patent/CN105603288A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100203357A1 (en) * | 2007-07-31 | 2010-08-12 | Yoshiaki Hori | Al-plated steel sheet for exhaust gas passageway members of motorcycles excellent in high-temperature strength and the members |
| CN101949474A (en) * | 2010-02-05 | 2011-01-19 | 西峡县西泵特种铸造有限公司 | Heat-resistance stainless steel exhaust pipe and manufacturing method thereof |
| CN103290283A (en) * | 2013-06-24 | 2013-09-11 | 靖江市新程汽车零部件有限公司 | Thermal insulation board of automobile exhaust pipe and manufacturing method thereof |
| CN106282682A (en) * | 2016-08-04 | 2017-01-04 | 新昌县万瑞铸造有限公司 | A kind of aluminium alloy and the automobile exhaust pipe being made up of this kind of aluminium alloy |
Non-Patent Citations (1)
| Title |
|---|
| 娄延春: "《铸造手册》", 30 November 2014, 机械工业出版社 * |
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Application publication date: 20160525 |