CN102899586A - Iron alloy material and preparation method - Google Patents

Iron alloy material and preparation method Download PDF

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Publication number
CN102899586A
CN102899586A CN2012104471334A CN201210447133A CN102899586A CN 102899586 A CN102899586 A CN 102899586A CN 2012104471334 A CN2012104471334 A CN 2012104471334A CN 201210447133 A CN201210447133 A CN 201210447133A CN 102899586 A CN102899586 A CN 102899586A
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quenching
iron
cerium
vanadium
titanium
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王程懿
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Ningbo Yinzhou Commercial Precision Casting Co Ltd
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Ningbo Yinzhou Commercial Precision Casting Co Ltd
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Abstract

The invention relates to an iron alloy material. The material comprises the following components by weight percent: 0.8-1.2% of carbon, 0.6-0.65% of silicon, 1.1-1.3% of manganese, 1.4-1.6% of chromium, 0.1-0.2% of molybdenum, 0.5-1.0% of nickel, 0.8-1.2% of aluminium, 0.3-0.5% of copper, 0.02-0.03% of titanium, 0.03-0.06% of vanadium, 0.0005-0.001% of cerium, 0.02-0.03% of boron, 0.03-0.05% of cobalt, 0.01-0.02% of tungsten and the balance of iron and inevitable impurities. The material has the following beneficial effects that use of noble metals and rare earth is reduced; and high hardness and high abrasion resistance of the iron alloy are also achieved by adopting the elements with high contents and low prices instead of the noble metals and rare earth.

Description

A kind of ferroalloy materials and preparation method
Technical field
The invention belongs to field of metal casting technology, refer to a kind of metal casting material, refer to especially a kind of ferroalloy materials and preparation method.
Background technology
The fields such as existing machinery, in order to improve process velocity and to reduce manufacturing procedure, many parts adopt forging type processing, particularly to some baroque parts, adopt the operation of mechanical workout very complicated.Casting processing can disposal molding, is used widely always.
On the other hand, adopt the casting processing mode, can carry out according to the needs of processed product the adjustment of alloy property, namely form to improve some performance in the alloy by changing material in the alloy.In the casting technique of existing technology, in order to improve or improve a certain performance in the alloy, generally be to have the unit that improves or improve these performances by interpolation usually to realize, and these the element major parts that can improve performance belong to precious metal element or rare earth element, cause the production cost of product to improve.
How can be the problem that those skilled in the art face by adopting the low unit of some prices usually to substitute precious metal or the performance of rare earth element in alloy.
Summary of the invention
The objective of the invention is to propose a kind of technical scheme of hard high-wearing feature ferroalloy materials, reduced the use of noble metal and rare earth by the technical program, produce and adopt more than the content and low these precious metals of element substitution and the rare earth of price, realized equally the iron alloy of hard high-wearing feature.
The present invention is achieved by the following technical solutions:
A kind of ferroalloy materials, its composition includes by weight percentage, the titanium of the aluminium of the molybdenum of the manganese of the carbon of 0.8-1.2%, the silicon of 0.6-0.65%, 1.1-1.3%, the chromium of 1.4-1.6%, 0.1-0.2%, the nickel of 0.5-1.0%, 0.8-1.2%, the copper of 0.3-0.5%, 0.02-0.03%, the vanadium of 0.03-0.06%, the cerium of 0.0005-0.001%, the boron of 0.02-0.03%, the cobalt of 0.03-0.05%, the tungsten of 0.01-0.02%, surplus are iron and inevitable impurity.
Described titanium is to add in the ferro-titanium mode.
Described nickel and cobalt are to add in the permivar mode.
Described cerium is that the cerium-iron alloy mode that contains 15% weight percent adds.
Described vanadium is to add in the ferro-vanadium mode.
Described tungsten and molybdenum are to add in tungsten iron alloy mode.
Described preparation method is:
Batching, include by weight percentage, the titanium of the aluminium of the molybdenum of the manganese of the carbon of 0.8-1.2%, the silicon of 0.6-0.65%, 1.1-1.3%, the chromium of 1.4-1.6%, 0.1-0.2%, the nickel of 0.5-1.0%, 0.8-1.2%, the copper of 0.3-0.5%, 0.02-0.03%, the vanadium of 0.03-0.06%, the cerium of 0.0005-0.001%, the boron of 0.02-0.03%, the cobalt of 0.03-0.05%, the tungsten of 0.01-0.02%, surplus are that iron and inevitable impurity are prepared burden;
To at first put into smelting furnace through the iron in the above-mentioned composition that calculates, silicon, manganese, tungsten iron alloy melts, then add successively chromium, permivar, ferro-titanium, boron, copper, ferro-vanadium, cerium-iron alloy, and add aluminium after being warmed up to 1250-1350 ℃, be incubated 1-2 hour;
The aluminium alloy that obtains is cast under 1100-1150 ℃, carry out anneal after being cooled to 300-350 ℃; Product after the casting is placed 870-890 ℃ annealing furnace, be incubated 3-5 hour and come out of the stove, adopt air cooling, cooling rate is no more than 1.2 ℃/minute;
Quench treatment places 930-950 ℃ quenching furnance, is incubated to carry out hardening liquid constant temperature quench treatment after 2 hours, and temperature is carried out temper during to 180-200 ℃;
Temper is insulation naturally cooling after 2.5 hours in 250 ± 10 ℃ the tempering stove in temperature.
The hardening liquid of described quench treatment is the water-based hardening liquid.
Hardening liquid maintains the temperature between 130-150 ℃ when quenching.
Described quenching divides two stages, and first stage is isothermal quenching, and quenching velocity is 15-20/ minute; Adopt subordinate phase to quench when drop in temperature arrives 600-650 ℃, quenching velocity is 3-5 ℃/second.
The beneficial effect that the present invention compares with prior art is:
Reduce the use of noble metal and rare earth by the technical program, produced and adopt more than the content and low these precious metals of element substitution and the rare earth of price, realized equally the iron alloy of hard high-wearing feature.
Embodiment
Below describe technical scheme of the present invention in detail by specific embodiment, should be understood that, following embodiment only can be used for explain the present invention and can not be interpreted as is limitation of the present invention.
A kind of ferroalloy materials, its composition includes by weight percentage, the titanium of the aluminium of the molybdenum of the manganese of the carbon of 0.8-1.2%, the silicon of 0.6-0.65%, 1.1-1.3%, the chromium of 1.4-1.6%, 0.1-0.2%, the nickel of 0.5-1.0%, 0.8-1.2%, the copper of 0.3-0.5%, 0.02-0.03%, the vanadium of 0.03-0.06%, the cerium of 0.0005-0.001%, the boron of 0.02-0.03%, the cobalt of 0.03-0.05%, the tungsten of 0.01-0.02%, surplus are iron and inevitable impurity.
Described titanium is to add in the ferro-titanium mode.
Described nickel and cobalt are to add in the permivar mode.
Described cerium is that the cerium-iron alloy mode that contains 15% weight percent adds.
Described vanadium is to add in the ferro-vanadium mode.
Described tungsten and molybdenum are to add in tungsten iron alloy mode.
Described preparation method is:
Batching, include by weight percentage, the titanium of the aluminium of the molybdenum of the manganese of the carbon of 0.8-1.2%, the silicon of 0.6-0.65%, 1.1-1.3%, the chromium of 1.4-1.6%, 0.1-0.2%, the nickel of 0.5-1.0%, 0.8-1.2%, the copper of 0.3-0.5%, 0.02-0.03%, the vanadium of 0.03-0.06%, the cerium of 0.0005-0.001%, the boron of 0.02-0.03%, the cobalt of 0.03-0.05%, the tungsten of 0.01-0.02%, surplus are that iron and inevitable impurity are prepared burden;
To at first put into smelting furnace through the iron in the above-mentioned composition that calculates, silicon, manganese, tungsten iron alloy melts, then add successively chromium, permivar, ferro-titanium, boron, copper, ferro-vanadium, cerium-iron alloy, and add aluminium after being warmed up to 1250-1350 ℃, be incubated 1-2 hour;
The aluminium alloy that obtains is cast under 1100-1150 ℃, carry out anneal after being cooled to 300-350 ℃; Product after the casting is placed 870-890 ℃ annealing furnace, be incubated 3-5 hour and come out of the stove, adopt air cooling, cooling rate is no more than 1.2 ℃/minute;
Quench treatment places 930-950 ℃ quenching furnance, is incubated to carry out hardening liquid constant temperature quench treatment after 2 hours, and temperature is carried out temper during to 180-200 ℃;
Temper is insulation naturally cooling after 2.5 hours in 250 ± 10 ℃ the tempering stove in temperature.
The hardening liquid of described quench treatment is the water-based hardening liquid.
Hardening liquid maintains the temperature between 130-150 ℃ when quenching.
Described quenching divides two stages, and first stage is isothermal quenching, and quenching velocity is 15-20/ minute; Adopt subordinate phase to quench when drop in temperature arrives 600-650 ℃, quenching velocity is 3-5 ℃/second.
Embodiment 1
A kind of ferroalloy materials, its composition includes by weight percentage, 0.8% carbon, 0.6% silicon, 1.1% manganese, 1.4% chromium, 0.1% molybdenum, 0.5% nickel, 0.8% aluminium, 0.3% copper, 0.02% titanium, 0.03% vanadium, 0.0005% cerium, 0.02% boron, 0.03% cobalt, 0.01% tungsten, surplus are iron and inevitable impurity.
Described preparation method is:
Batching, include by weight percentage, 0.8% carbon, 0.6% silicon, 1.1% manganese, 1.4% chromium, 0.1% molybdenum, 0.5% nickel, 0.8% aluminium, 0.3% copper, 0.02% titanium, 0.03% vanadium, 0.0005% cerium, 0.02% boron, 0.03% cobalt, 0.01% tungsten, surplus are that iron and inevitable impurity are prepared burden;
To at first put into smelting furnace through the iron in the above-mentioned composition that calculates, silicon, manganese, tungsten iron alloy melts, then add successively chromium, permivar, ferro-titanium, boron, copper, ferro-vanadium, cerium-iron alloy, and add aluminium after being warmed up to 1250-1350 ℃, be incubated 2 hours;
The aluminium alloy that obtains is cast under 1100-1150 ℃, carry out anneal after being cooled to 300-350 ℃; Product after the casting is placed 870-890 ℃ annealing furnace, be incubated 3 hours and come out of the stove, adopt air cooling, cooling rate is no more than 1.2 ℃/minute;
Quench treatment places 930-950 ℃ quenching furnance, is incubated that the use hardening liquid carries out hardening liquid constant temperature quench treatment after 2 hours, and hardening liquid maintains the temperature between 130-150 ℃ when quenching, and quenching temperature is carried out temper during to 180-200 ℃; Described quenching divides two stages, and first stage is isothermal quenching, and quenching velocity is 15-20/ minute; Adopt subordinate phase to quench when drop in temperature arrives 600-650 ℃, quenching velocity is 3-5 ℃/second;
Temper is insulation naturally cooling after 2.5 hours in 250 ± 10 ℃ the tempering stove in temperature.
Embodiment 2
A kind of ferroalloy materials, its composition includes by weight percentage, 1.2% carbon, 0.65% silicon, 1.3% manganese, 1.6% chromium, 0.2% molybdenum, 1.0% nickel, 1.2% aluminium, 0.5% copper, 0.03% titanium, 0.06% vanadium, 0.001% cerium, 0.03% boron, 0.03% cobalt, 0.02% tungsten, surplus are iron and inevitable impurity.
Described preparation method is:
Batching, include by weight percentage, 1.2% carbon, 0.65% silicon, 1.3% manganese, 1.6% chromium, 0.2% molybdenum, 1.0% nickel, 1.2% aluminium, 0.5% copper, 0.03% titanium, 0.06% vanadium, 0.001% cerium, 0.03% boron, 0.03% cobalt, 0.02% tungsten, surplus are that iron and inevitable impurity are prepared burden;
To at first put into smelting furnace through the iron in the above-mentioned composition that calculates, silicon, manganese, tungsten iron alloy melts, then add successively chromium, permivar, ferro-titanium, boron, copper, ferro-vanadium, cerium-iron alloy, and add aluminium after being warmed up to 1250-1350 ℃, be incubated 1.5 hours;
The aluminium alloy that obtains is cast under 1100-1150 ℃, carry out anneal after being cooled to 300-350 ℃; Product after the casting is placed 870-890 ℃ annealing furnace, be incubated 3 hours and come out of the stove, adopt air cooling, cooling rate is no more than 1.2 ℃/minute;
Quench treatment places 930-950 ℃ quenching furnance, is incubated that the use hardening liquid carries out hardening liquid constant temperature quench treatment after 2 hours, and hardening liquid maintains the temperature between 130-150 ℃ when quenching, and quenching temperature is carried out temper during to 180-200 ℃; Described quenching divides two stages, and first stage is isothermal quenching, and quenching velocity is 15-20/ minute; Adopt subordinate phase to quench when drop in temperature arrives 600-650 ℃, quenching velocity is 3-5 ℃/second;
Temper is insulation naturally cooling after 2.5 hours in 250 ± 10 ℃ the tempering stove in temperature.
Embodiment 3
A kind of ferroalloy materials, its composition includes by weight percentage, 1.0% carbon, 0.6% silicon, 1.2% manganese, 1.5% chromium, 0.2% molybdenum, 0.8% nickel, 1.0% aluminium, 0.4% copper, 0.02% titanium, 0.04% vanadium, 0.0008% cerium, 0.04% boron, 0.04% cobalt, 0.02% tungsten, surplus are iron and inevitable impurity.
Described preparation method is:
Batching, include by weight percentage, 1.0% carbon, 0.6% silicon, 1.2% manganese, 1.5% chromium, 0.2% molybdenum, 0.8% nickel, 1.0% aluminium, 0.4% copper, 0.02% titanium, 0.04% vanadium, 0.0008% cerium, 0.04% boron, 0.04% cobalt, 0.02% tungsten, surplus are that iron and inevitable impurity are prepared burden;
To at first put into smelting furnace through the iron in the above-mentioned composition that calculates, silicon, manganese, tungsten iron alloy melts, then add successively chromium, permivar, ferro-titanium, boron, copper, ferro-vanadium, cerium-iron alloy, and add aluminium after being warmed up to 1250-1350 ℃, be incubated 1.5 hours;
The aluminium alloy that obtains is cast under 1100-1150 ℃, carry out anneal after being cooled to 300-350 ℃; Product after the casting is placed 870-890 ℃ annealing furnace, be incubated 3.5 hours and come out of the stove, adopt air cooling, cooling rate is no more than 1.2 ℃/minute;
Quench treatment places 930-950 ℃ quenching furnance, is incubated that the use hardening liquid carries out hardening liquid constant temperature quench treatment after 2 hours, and hardening liquid maintains the temperature between 130-150 ℃ when quenching, and quenching temperature is carried out temper during to 180-200 ℃; Described quenching divides two stages, and first stage is isothermal quenching, and quenching velocity is 15-20/ minute; Adopt subordinate phase to quench when drop in temperature arrives 600-650 ℃, quenching velocity is 3-5 ℃/second;
Temper is insulation naturally cooling after 2.5 hours in 250 ± 10 ℃ the tempering stove in temperature.

Claims (10)

1. ferroalloy materials, it is characterized in that: its composition includes by weight percentage, the titanium of the aluminium of the molybdenum of the manganese of the carbon of 0.8-1.2%, the silicon of 0.6-0.65%, 1.1-1.3%, the chromium of 1.4-1.6%, 0.1-0.2%, the nickel of 0.5-1.0%, 0.8-1.2%, the copper of 0.3-0.5%, 0.02-0.03%, the vanadium of 0.03-0.06%, the cerium of 0.0005-0.001%, the boron of 0.02-0.03%, the cobalt of 0.03-0.05%, the tungsten of 0.01-0.02%, surplus are iron and inevitable impurity.
2. ferroalloy materials according to claim 1, it is characterized in that: described titanium is to add in the ferro-titanium mode.
3. ferroalloy materials according to claim 1, it is characterized in that: described nickel and cobalt are to add in the permivar mode.
4. ferroalloy materials according to claim 1, it is characterized in that: described cerium is that the cerium-iron alloy mode that contains 15% weight percent adds.
5. ferroalloy materials according to claim 1, it is characterized in that: described vanadium is to add in the ferro-vanadium mode.
6. ferroalloy materials according to claim 1, it is characterized in that: described tungsten and molybdenum are to add in tungsten iron alloy mode.
7. ferroalloy materials preparation method is characterized in that:
Batching, include by weight percentage, the titanium of the aluminium of the molybdenum of the manganese of the carbon of 0.8-1.2%, the silicon of 0.6-0.65%, 1.1-1.3%, the chromium of 1.4-1.6%, 0.1-0.2%, the nickel of 0.5-1.0%, 0.8-1.2%, the copper of 0.3-0.5%, 0.02-0.03%, the vanadium of 0.03-0.06%, the cerium of 0.0005-0.001%, the boron of 0.02-0.03%, the cobalt of 0.03-0.05%, the tungsten of 0.01-0.02%, surplus are that iron and inevitable impurity are prepared burden;
To at first put into smelting furnace through the iron in the above-mentioned composition that calculates, silicon, manganese, tungsten iron alloy melts, then add successively chromium, permivar, ferro-titanium, boron, copper, ferro-vanadium, cerium-iron alloy, and add aluminium after being warmed up to 1250-1350 ℃, be incubated 1-2 hour;
The aluminium alloy that obtains is cast under 1100-1150 ℃, carry out anneal after being cooled to 300-350 ℃; Product after the casting is placed 870-890 ℃ annealing furnace, be incubated 3-5 hour and come out of the stove, adopt air cooling, cooling rate is no more than 1.2 ℃/minute;
Quench treatment places 930-950 ℃ quenching furnance, is incubated to carry out hardening liquid constant temperature quench treatment after 2 hours, and temperature is carried out temper during to 180-200 ℃;
Temper is insulation naturally cooling after 2.5 hours in 250 ± 10 ℃ the tempering stove in temperature.
8. ferroalloy materials preparation method according to claim 7, it is characterized in that: the hardening liquid of described quench treatment is the water-based hardening liquid.
9. ferroalloy materials preparation method according to claim 7 is characterized in that: hardening liquid maintains the temperature between 130-150 ℃ when quenching.
10. ferroalloy materials preparation method according to claim 7, it is characterized in that: described quenching divides two stages, and first stage is isothermal quenching, and quenching velocity is 15-20/ minute; Adopt subordinate phase to quench when drop in temperature arrives 600-650 ℃, quenching velocity is 3-5 ℃/second.
CN2012104471334A 2012-11-09 2012-11-09 Iron alloy material and preparation method Pending CN102899586A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103131957A (en) * 2013-03-05 2013-06-05 宁波市鄞州泰利机械有限公司 Tool steel material for hedge trimmer blades and preparation method thereof
CN107574382A (en) * 2017-09-22 2018-01-12 宝鸡市金海源钛标准件制品有限公司 A kind of ferrotianium and preparation method thereof
CN111041375A (en) * 2020-01-14 2020-04-21 江苏拓展新材料科技有限公司 High-strength antioxidant alloy material and preparation method thereof
CN113969386A (en) * 2020-10-23 2022-01-25 深圳优易材料科技有限公司 Garbage incinerator boiler pipe applied to working condition at temperature lower than 400 ℃ and production method thereof
CN115831516A (en) * 2022-12-10 2023-03-21 安徽通灵仿生科技有限公司 Magnetic conduction sleeve and preparation method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070181231A1 (en) * 2004-03-09 2007-08-09 Nippon Steel Corporation Method for producing high-carbon steel rails excellent in wear resistance and ductility
CN101899551A (en) * 2009-05-26 2010-12-01 宁波市鄞州商业精密铸造有限公司 Heat treatment technology of wear-resistant alloy cast steel
CN102203311A (en) * 2009-08-18 2011-09-28 新日本制铁株式会社 Pearlite rail
EP2476772A1 (en) * 2011-01-13 2012-07-18 Rovalma, S.A. High thermal diffusivity and high wear resistance tool steel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070181231A1 (en) * 2004-03-09 2007-08-09 Nippon Steel Corporation Method for producing high-carbon steel rails excellent in wear resistance and ductility
CN101899551A (en) * 2009-05-26 2010-12-01 宁波市鄞州商业精密铸造有限公司 Heat treatment technology of wear-resistant alloy cast steel
CN102203311A (en) * 2009-08-18 2011-09-28 新日本制铁株式会社 Pearlite rail
EP2476772A1 (en) * 2011-01-13 2012-07-18 Rovalma, S.A. High thermal diffusivity and high wear resistance tool steel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103131957A (en) * 2013-03-05 2013-06-05 宁波市鄞州泰利机械有限公司 Tool steel material for hedge trimmer blades and preparation method thereof
CN107574382A (en) * 2017-09-22 2018-01-12 宝鸡市金海源钛标准件制品有限公司 A kind of ferrotianium and preparation method thereof
CN111041375A (en) * 2020-01-14 2020-04-21 江苏拓展新材料科技有限公司 High-strength antioxidant alloy material and preparation method thereof
CN113969386A (en) * 2020-10-23 2022-01-25 深圳优易材料科技有限公司 Garbage incinerator boiler pipe applied to working condition at temperature lower than 400 ℃ and production method thereof
CN113969386B (en) * 2020-10-23 2024-04-09 深圳优易材料科技有限公司 Waste incinerator boiler tube applied to working condition at temperature lower than 400 ℃ and production method thereof
CN115831516A (en) * 2022-12-10 2023-03-21 安徽通灵仿生科技有限公司 Magnetic conduction sleeve and preparation method and application thereof
CN115831516B (en) * 2022-12-10 2023-12-01 安徽通灵仿生科技有限公司 Magnetic conduction sleeve, preparation method and application thereof

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Application publication date: 20130130