CN115011866A - Alloy material - Google Patents
Alloy material Download PDFInfo
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- CN115011866A CN115011866A CN202210935108.4A CN202210935108A CN115011866A CN 115011866 A CN115011866 A CN 115011866A CN 202210935108 A CN202210935108 A CN 202210935108A CN 115011866 A CN115011866 A CN 115011866A
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- Prior art keywords
- percent
- alloy material
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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
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention relates to the technical field of alloy materials, and discloses an alloy material for solving the problems of poor wear resistance and poor high-temperature resistance of the existing alloy material, which comprises the following components in percentage by weight: 3.2 to 3.8 percent of C, 5 to 7 percent of Si, 0.8 to 1.0 percent of Mn, 0.45 to 0.8 percent of Mo, less than or equal to 0.03 percent of S and less than or equal to 0.1 percent of P. According to the invention, C, Mn content is increased in the alloy material, so that the wear resistance of the alloy material is improved, the service cycle is prolonged, and the production cost is reduced; the prepared alloy material can bear the high temperature of 830 ℃, and does not crack after being rapidly cooled by cold water.
Description
Technical Field
The invention relates to the technical field of alloy materials, in particular to an alloy material.
Background
An alloy is a substance having metallic characteristics, which is synthesized from two or more metals and metals or non-metals by a certain method. Generally obtained by melting into uniform liquid and solidifying, can be divided into binary alloy, ternary alloy and multi-element alloy according to the number of the constituent elements, and the existing alloy material has the problems of poor wear resistance and poor high temperature resistance.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an alloy material.
In order to achieve the purpose, the invention adopts the following technical scheme:
an alloy material comprises the following components in percentage by weight: 3.2 to 3.8 percent of C, 5 to 7 percent of Si, 0.8 to 1.0 percent of Mn, 0.45 to 0.8 percent of Mo, less than or equal to 0.03 percent of S and less than or equal to 0.1 percent of P.
Preferably, the composition comprises the following components in percentage by weight: 3.2 percent of C, 5 percent of Si, 0.8 percent of Mn, 0.45 percent of Mo, less than or equal to 0.03 percent of S and less than or equal to 0.1 percent of P.
Preferably, the composition comprises the following components in percentage by weight: 3.8 percent of C, 7 percent of Si, 1.0 percent of Mn, 0.8 percent of Mo, less than or equal to 0.03 percent of S and less than or equal to 0.1 percent of P.
Preferably, the composition comprises the following components in percentage by weight: 3.5 percent of C, 6 percent of Si, 0.9 percent of Mn, 0.65 percent of Mo, less than or equal to 0.03 percent of S and less than or equal to 0.1 percent of P.
Preferably, the preparation method of the alloy material comprises the following steps:
step 1: adding pig iron, recycled silicon iron, 75% ferrosilicon and waste manganese steel into an intermediate frequency furnace, melting to 1450 ℃, adding 0.65-0.8% copper by weight, and melting to obtain cast molten iron;
and 2, step: coating refractory paint on the foam model, drying, placing the foam model in a sandbox, filling the sandbox with the precious pearl sand for vibration molding, opening a vacuum device, casting molten iron under negative pressure, burning and gasifying the foam model, pumping the generated gas to a catalytic combustion environment-friendly device for treatment by the vacuum device, filling the model with the molten iron, cooling and solidifying to form a casting;
and step 3: and placing the casting into a heat treatment furnace, heating, discharging from the furnace, and air cooling to obtain the alloy material.
Preferably, the specific method of the heat treatment is as follows: and heating the heat treatment furnace to 900 ℃, preserving heat for 3 h, cooling to 850 ℃, and preserving heat for 1 h.
Preferably, when the castings are placed into the heat treatment furnace, a distance of 150-200mm is reserved between the castings; and when the furnace is charged in multiple layers, the sizing block is used for avoiding the bending deformation of the casting.
According to the invention, the content of C, Mn in the alloy material is increased, the wear resistance of the alloy material is improved, the service cycle is prolonged, and the production cost is reduced; the prepared alloy material can bear the high temperature of 830 ℃, and cannot crack after being rapidly cooled by cold water.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1
Adding pig iron, recycled silicon iron, 75% ferrosilicon and waste manganese steel into an intermediate frequency furnace, melting to 1450 ℃, adding 0.8% copper by weight, and melting to obtain cast molten iron;
coating refractory paint on the foam model, drying, placing the foam model in a sandbox, filling the sandbox with the precious pearl sand for vibration molding, opening a vacuum device, casting molten iron under negative pressure, burning and gasifying the foam model, pumping the generated gas to a catalytic combustion environment-friendly device for treatment by the vacuum device, filling the model with the molten iron, cooling and solidifying to form a casting;
and (3) placing the casting into a heat treatment furnace, heating the heat treatment furnace to 900 ℃, preserving heat for 3 h, cooling to 850 ℃, preserving heat for 1 h, taking the casting out of the furnace after heating treatment, and air cooling to obtain the alloy material.
Example 2
Adding pig iron, recycled silicon iron, 75% ferrosilicon and waste manganese steel into an intermediate frequency furnace, melting to 1450 ℃, adding 0.65% copper by weight, and melting to obtain cast molten iron;
coating refractory paint on the foam model, drying, placing the foam model in a sandbox, filling the sandbox with the precious pearl sand for vibration molding, opening a vacuum device, casting molten iron under negative pressure, burning and gasifying the foam model, pumping the generated gas to a catalytic combustion environment-friendly device for treatment by the vacuum device, filling the model with the molten iron, cooling and solidifying to form a casting;
and (3) placing the casting into a heat treatment furnace, heating the heat treatment furnace to 900 ℃, preserving heat for 3 h, cooling to 850 ℃, preserving heat for 1 h, taking the casting out of the furnace after heating treatment, and air cooling to obtain the alloy material.
The alloy material prepared in example 1 was tested for mechanical properties at room temperature, and the test results showed that the iron casting had a tensile strength of 630MPa and a hardness of 350-450 HBW.
According to the invention, C, Mn content is increased in the alloy material, so that the wear resistance of the alloy material is improved, the service cycle is prolonged, and the production cost is reduced; the prepared alloy material can bear the high temperature of 830 ℃, and does not crack after being rapidly cooled by cold water.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The alloy material is characterized by comprising the following components in percentage by weight: 3.2 to 3.8 percent of C, 5 to 7 percent of Si, 0.8 to 1.0 percent of Mn, 0.45 to 0.8 percent of Mo, less than or equal to 0.03 percent of S and less than or equal to 0.1 percent of P.
2. The alloy material as claimed in claim 1, comprising the following components in percentage by weight: 3.2 percent of C, 5 percent of Si, 0.8 percent of Mn, 0.45 percent of Mo, less than or equal to 0.03 percent of S and less than or equal to 0.1 percent of P.
3. The alloy material according to claim 1, comprising the following components in percentage by weight: 3.8 percent of C, 7 percent of Si, 1.0 percent of Mn, 0.8 percent of Mo, less than or equal to 0.03 percent of S and less than or equal to 0.1 percent of P.
4. The alloy material as claimed in claim 1, comprising the following components in percentage by weight: 3.5 percent of C, 6 percent of Si, 0.9 percent of Mn, 0.65 percent of Mo, less than or equal to 0.03 percent of S and less than or equal to 0.1 percent of P.
5. An alloy material according to any one of claims 1 to 4, characterized in that the alloy material is prepared by a method comprising the following steps:
step 1: adding pig iron, recycled silicon iron, 75% ferrosilicon and waste manganese steel into an intermediate frequency furnace to be melted to 1450 ℃, adding 0.65-0.8% copper by weight, and melting to obtain cast molten iron;
step 2: coating refractory paint on the foam model, drying, placing the foam model in a sandbox, filling the sandbox with the precious pearl sand for vibration molding, opening a vacuum device, casting molten iron under negative pressure, burning and gasifying the foam model, pumping the generated gas to a catalytic combustion environment-friendly device for treatment by the vacuum device, filling the model with the molten iron, cooling and solidifying to form a casting;
and 3, step 3: and placing the casting into a heat treatment furnace, heating, discharging from the furnace, and air cooling to obtain the alloy material.
6. The alloy material as claimed in claim 5, wherein in step 3, the specific method of the heat treatment is as follows: and heating the heat treatment furnace to 900 ℃, preserving heat for 3 h, cooling to 850 ℃, and preserving heat for 1 h.
7. The alloy material as set forth in claim 5, wherein in the step 3, when the castings are put into the heat treatment furnace, the castings are spaced apart by 150-200 mm;
and when the furnace is charged in multiple layers, the sizing block is used for avoiding the bending deformation of the casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210935108.4A CN115011866A (en) | 2022-08-05 | 2022-08-05 | Alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210935108.4A CN115011866A (en) | 2022-08-05 | 2022-08-05 | Alloy material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115011866A true CN115011866A (en) | 2022-09-06 |
Family
ID=83066340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210935108.4A Pending CN115011866A (en) | 2022-08-05 | 2022-08-05 | Alloy material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115011866A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03146637A (en) * | 1989-11-01 | 1991-06-21 | Kusaka Reametaru Kenkyusho:Kk | Cast iron and its modifying method |
| CN101165200A (en) * | 2006-10-18 | 2008-04-23 | 现代自动车株式会社 | High-silicon ferritic heat-resistant cast iron having high-temperature strength and high oxidation resistance |
| US20100006189A1 (en) * | 2006-12-16 | 2010-01-14 | Indexator Ab | Austempered ductile iron, method for producing this and component compri |
| CN103643108A (en) * | 2013-12-10 | 2014-03-19 | 南昌航空大学 | Heat-resisting nodular cast iron for aluminum alloy thermoforming |
| CN103820700A (en) * | 2014-01-30 | 2014-05-28 | 南车戚墅堰机车车辆工艺研究所有限公司 | Heat-resisting spheroidal graphite cast iron and preparation method thereof |
| CN104152789A (en) * | 2014-08-06 | 2014-11-19 | 江苏大学 | Preparation method of wear-resistant ductile cast iron ball mill lining board quenched by residual heat |
-
2022
- 2022-08-05 CN CN202210935108.4A patent/CN115011866A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03146637A (en) * | 1989-11-01 | 1991-06-21 | Kusaka Reametaru Kenkyusho:Kk | Cast iron and its modifying method |
| CN101165200A (en) * | 2006-10-18 | 2008-04-23 | 现代自动车株式会社 | High-silicon ferritic heat-resistant cast iron having high-temperature strength and high oxidation resistance |
| US20100006189A1 (en) * | 2006-12-16 | 2010-01-14 | Indexator Ab | Austempered ductile iron, method for producing this and component compri |
| CN103643108A (en) * | 2013-12-10 | 2014-03-19 | 南昌航空大学 | Heat-resisting nodular cast iron for aluminum alloy thermoforming |
| CN103820700A (en) * | 2014-01-30 | 2014-05-28 | 南车戚墅堰机车车辆工艺研究所有限公司 | Heat-resisting spheroidal graphite cast iron and preparation method thereof |
| CN104152789A (en) * | 2014-08-06 | 2014-11-19 | 江苏大学 | Preparation method of wear-resistant ductile cast iron ball mill lining board quenched by residual heat |
Non-Patent Citations (3)
| Title |
|---|
| 张继祥等: "《工程创新实践》", 30 June 2011, 北京：国防工业出版社 * |
| 李泉华等: "《热处理实用技术》", 29 February 2000, 北京：机械工业出版社 * |
| 陈倩清等: "《电焊工》", 31 December 1996, 北京：中国劳动出版社 * |
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Application publication date: 20220906 |
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