CN107604229A - A kind of hot-strength iron-base alloy and preparation method thereof - Google Patents
A kind of hot-strength iron-base alloy and preparation method thereof Download PDFInfo
- Publication number
- CN107604229A CN107604229A CN201710847165.6A CN201710847165A CN107604229A CN 107604229 A CN107604229 A CN 107604229A CN 201710847165 A CN201710847165 A CN 201710847165A CN 107604229 A CN107604229 A CN 107604229A
- Authority
- CN
- China
- Prior art keywords
- diadust
- hot
- temperature
- base alloy
- iron
- 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.)
- Pending
Links
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses a kind of hot-strength iron-base alloy and preparation method thereof, its hot-strength iron-base alloy includes following component：Diadust composite 1.2 1.6%, carbon 0.31 0.33%, silicon 0.4 0.8%, manganese 1.0 1.5%, chromium 3.5 5.5%, nickel 3.5 5.5%, tungsten 2.5 3.5%, molybdenum 1.4 1.8%, vanadium 0.6 1.0%, niobium 0.03 0.05%, foreign matter of phosphor≤0.03%, sulphur≤0.03%, surplus are iron.The hot-strength iron-base alloy of the present invention is with multiple element composite alloying, add rare earth composite reinforcing material, then by heat treatment after, the heat resistance of ferrous alloy, heat endurance is increased, and there is good hardness, weldability and machining property, and service life also has enhancing.
Description
Technical field
The invention belongs to alloy and its preparation field, and in particular to a kind of hot-strength iron-base alloy and preparation method thereof.
Background technology
Iron-base superalloy be the alloying action of multiple element is equipped with using iron as base come improve its high-temperature mechanical property and
The special alloy of high-temperature corrosion-resistance performance.Iron-base superalloy is cheap for Ni-based and cobalt base superalloy, is
A kind of high-temperature structural material for being widely used in the fields such as national defence, the energy, aviation and nuclear reaction.
The traditional field of iron-base superalloy application is aero-engine, is had started to earlier than foreign countries' fifties by this type high temp
Alloy is used for other industrial circles of non-aero-engine.With the development that China's industrialization is built, each civilian industry is to high temperature
The demand of alloy material increasingly increases, more urgently.Nineteen sixty-five high temperature alloy is initially used for the success of diesel engine supercharging turbine, starts
Application of the high temperature alloy in civilian industry.Over 30 years, iron-base superalloy promoted for energy source and power, communications and transportation,
Many industrial departments such as petrochemical industry, metallurgical mine and glass building material.
Although existing ferrous alloy species is more, far can not also meet the needs of industrial development.Thus, existing
On the basis of ferrous alloy, we have developed a kind of heat endurance is more satisfactory, and with good hardness, weldability and machinery plus
The ferrous alloy of work performance.
The content of the invention
For above-mentioned technical problem, the invention provides a kind of hot-strength iron-base alloy and preparation method thereof, it is prepared
Ferrous alloy with multiple element composite alloying, add rare earth composite reinforcing material, then by heat treatment after, make ferrous alloy
With comparatively ideal machinery and processing characteristics.
To achieve these goals, the technical solution adopted by the present invention is：A kind of hot-strength iron-base alloy, by following quality
The raw material composition of percentage：
Diadust composite 1.2-1.6%, carbon 0.31-0.33%, silicon 0.4-0.8%, manganese 1.0-1.5%, chromium
3.5-5.5%, nickel 3.5-5.5%, tungsten 2.5-3.5%, molybdenum 1.4-1.8%, vanadium 0.6-1.0%, niobium 0.03-0.05%, impurity
Phosphorus≤0.03%, sulphur≤0.03%, surplus are iron；Wherein, diadust composite is the diamond of area load rare earth
Micro mist, its preparation process are：
A) surface treatment of diadust：A certain amount of diadust is soaked in the reaction bulb for filling nitric acid,
It is heated to nitric acid and keeps 15-20min, room temperature is cooled to after the completion of reaction and is washed with deionized for several times, is subsequently placed in
Constant weight is dried in 60-80 DEG C of vacuum drying chamber, it is stand-by；
B) supported rare earth element：Pretreated diadust is infiltrated in the beaker for filling appropriate amount of deionized water,
Beaker is placed in the ultrasonic cleaner ultrasound 30-50min that power is 60-100W, obtains the suspension of diadust,
It is 1.5-2mg/mL Ce (NO that the suspension of diadust, which is placed in, and fills mass-volume concentration3)3Solution in vibrate
2-3h is reacted, well mixed suspension system is filtered by vacuum, washed, drying process by reaction after terminating, then again in height
Pure N2Protection under 280-300 DEG C of heating 3-5h, supported rare earth Elements C e diadust is made.
The particle diameter of the diadust is not more than 0.5um；Wherein, the diadust composite wood of area load Rare-Earth Ce
Material can not only make in ferroalloy tissue that crystal grain refinement is uniform, can also effectively improve intensity and hardness of ferroalloy etc..
The temperature of the ultrasonic cleaner is 20-25 DEG C.
The preparation method of above-mentioned hot-strength iron-base alloy includes smelting technology and Technology for Heating Processing；Wherein, described melting
Processing step is as follows：
(1) dispensing and melting：Dispensing is carried out by above-mentioned raw materials mass percent, is heated to 1530-1550 DEG C to each raw material
Fusing, is smelted into molten metal, 5-10min is incubated in this temperature；
(2) refine and stand：The surface scum of the molten metal obtained by step (1) is skimmed, then refines 3-5min, is refined
After the completion of skim surface scum again, stand 8-10min；
(3) pour into a mould：The moulding by casting when the molten metal temperature after refining is down to 1500-1520 DEG C, obtains ferrous alloy；
Described Technology for Heating Processing is：
The ferrous alloy that melting is obtained carries out 3-6h solution treatment at a temperature of 1100-1200 DEG C, then in 700-
5-10h Ageing Treatment is carried out in 800 DEG C of temperature.
Beneficial effects of the present invention：The hot-strength iron-base alloy of the present invention adds rare earth with multiple element composite alloying
Composite reinforcing material, first carries out smelting and pouring, then by heat treatment after, put forward the heat resistance of ferrous alloy, heat endurance
Height, and there is good hardness, weldability and machining property, and service life also has enhancing.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.In embodiment, various raw materials are all Marko's ripple
Net product.
Embodiment 1
A kind of hot-strength iron-base alloy, it is made up of the raw material of following mass percent：
Diadust composite 1.3%, carbon 0.32%, silicon 0.6%, manganese 1.2%, chromium 4.5%, nickel 3.8%, tungsten
3.1%, molybdenum 1.6%, vanadium 0.8%, niobium 0.04%, foreign matter of phosphor≤0.03%, sulphur≤0.03%, surplus is iron；Wherein, diamond
Micro mist composite is the diadust of area load rare earth, and its preparation process is：
A) surface treatment of diadust：Diadust of the 3g particle diameters no more than 0.5um is soaked in and fills nitric acid
Reaction bulb in, be heated to nitric acid and keep 18min, room temperature is cooled to after the completion of reaction and is washed with deionized for several times,
It is subsequently placed in 70 DEG C of vacuum drying chambers and is dried to constant weight, it is stand-by；
B) supported rare earth element：Pretreated diadust is infiltrated in the beaker for filling 500mL deionized waters,
Beaker is placed in the ultrasonic cleaner ultrasound 45min that power is 100W, the suspension of diadust is obtained, by Buddha's warrior attendant
It is 1.5mg/mL Ce (NO that the suspension of stone micro mist, which is placed in and fills 500mL mass-volume concentrations,3)3Solution in oscillating reactions
2.5h, well mixed suspension system is filtered by vacuum, washed, drying process by reaction after terminating, then again in high-purity N2
The lower 300 DEG C of heating 4h of protection, supported rare earth Elements C e diadust is made；Wherein, the temperature of ultrasonic cleaner is
25℃。
The preparation method of above-mentioned hot-strength iron-base alloy includes smelting technology and Technology for Heating Processing；Wherein, described melting
Processing step is as follows：
(1) dispensing and melting：Dispensing is carried out by above-mentioned raw materials mass percent, is heated to 1550 DEG C to each melting sources,
Molten metal is smelted into, 8min is incubated in this temperature；
(2) refine and stand：The surface scum of the molten metal obtained by step (1) is skimmed, 5min is then refined, has refined
Cheng Houzai skims surface scum, stands 10min；
(3) pour into a mould：The moulding by casting when the molten metal temperature after refining is down to 1500 DEG C, obtains ferrous alloy；
Described Technology for Heating Processing is：
The ferrous alloy that melting obtains is carried out to 4h solution treatment at a temperature of 1100 DEG C, then in 750 DEG C of temperature
Carry out 10h Ageing Treatment.
After testing, the technical parameter of obtained ferrous alloy is as follows：Tensile strength is 1065MPa, yield strength 890MPa,
Hardness is 43.5HR, service life is 8.41 times of equivalents.
Embodiment 2
A kind of hot-strength iron-base alloy, it is made up of the raw material of following mass percent：
Diadust composite 1.6%, carbon 0.31%, silicon 0.6%, manganese 1.5%, chromium 4.5%, nickel 4.5%, tungsten
3.2%, molybdenum 1.8%, vanadium 0.8%, niobium 0.05%, foreign matter of phosphor≤0.03%, sulphur≤0.03%, surplus is iron；Wherein, diamond
Micro mist composite is the diadust of area load rare earth, and its preparation process is：
A) surface treatment of diadust：Diadust of the 3g particle diameters no more than 0.5um is soaked in and fills nitric acid
Reaction bulb in, be heated to nitric acid and keep 20min, room temperature is cooled to after the completion of reaction and is washed with deionized for several times,
It is subsequently placed in 80 DEG C of vacuum drying chambers and is dried to constant weight, it is stand-by；
B) supported rare earth element：Pretreated diadust is infiltrated in the beaker for filling 500mL deionized waters,
Beaker is placed in the ultrasonic cleaner ultrasound 50min that power is 100W, the suspension of diadust is obtained, by Buddha's warrior attendant
It is 1.8mg/mL Ce (NO that the suspension of stone micro mist, which is placed in and fills 500mL mass-volume concentrations,3)3Solution in oscillating reactions
2.5h, well mixed suspension system is filtered by vacuum, washed, drying process by reaction after terminating, then again in high-purity N2
The lower 300 DEG C of heating 4h of protection, supported rare earth Elements C e diadust is made；Wherein, the temperature of ultrasonic cleaner is
25℃。
The preparation method of above-mentioned hot-strength iron-base alloy includes smelting technology and Technology for Heating Processing；Wherein, described melting
Processing step is as follows：
(1) dispensing and melting：Dispensing is carried out by above-mentioned raw materials mass percent, is heated to 1550 DEG C to each melting sources,
Molten metal is smelted into, 10min is incubated in this temperature；
(2) refine and stand：The surface scum of the molten metal obtained by step (1) is skimmed, 5min is then refined, has refined
Cheng Houzai skims surface scum, stands 10min；
(3) pour into a mould：The moulding by casting when the molten metal temperature after refining is down to 1500 DEG C, obtains ferrous alloy；
Described Technology for Heating Processing is：
The ferrous alloy that melting obtains is carried out to 5h solution treatment at a temperature of 1150 DEG C, then in 750 DEG C of temperature
Carry out 10h Ageing Treatment.
After testing, the technical parameter of obtained ferrous alloy is as follows：Tensile strength is 1071MPa, yield strength 893MPa,
Hardness is 42.3HR, and service life is 8.23 times of equivalents.
Claims (4)
1. a kind of hot-strength iron-base alloy, it is characterised in that be made up of the raw material of following mass percent：Diadust is compound
Material 1.2-1.6%, carbon 0.31-0.33%, silicon 0.4-0.8%, manganese 1.0-1.5%, chromium 3.5-5.5%, nickel 3.5-5.5%,
Tungsten 2.5-3.5%, molybdenum 1.4-1.8%, vanadium 0.6-1.0%, niobium 0.03-0.05%, foreign matter of phosphor≤0.03%, sulphur≤0.03%,
Surplus is iron；Wherein, diadust composite is the diadust of area load rare earth, and its preparation process is：
A) surface treatment of diadust：A certain amount of diadust is soaked in the reaction bulb for filling nitric acid, heated
To nitric acid and 15-20min is kept, room temperature is cooled to after the completion of reaction and is washed with deionized for several times, is subsequently placed in 60-80
Constant weight is dried in DEG C vacuum drying chamber, it is stand-by；
B) supported rare earth element：Pretreated diadust is infiltrated in the beaker for filling appropriate amount of deionized water, will be burnt
Cup is placed in the ultrasonic cleaner ultrasound 30-50min that power is 60-100W, the suspension of diadust is obtained, by gold
It is 1.5-2mg/mL Ce (NO that the suspension of hard rock micro mist, which is placed in and fills mass-volume concentration,3)3Solution in oscillating reactions
2-3h, well mixed suspension system is filtered by vacuum, washed, drying process by reaction after terminating, then again in high-purity N2
Protection under 280-300 DEG C of heating 3-5h, supported rare earth Elements C e diadust is made.
A kind of 2. hot-strength iron-base alloy according to claim 1, it is characterised in that：The particle diameter of the diadust is not
More than 0.5um.
A kind of 3. hot-strength iron-base alloy according to claim 1, it is characterised in that：The temperature of the ultrasonic cleaner
For 20-25 DEG C.
A kind of 4. preparation method of hot-strength iron-base alloy described in claim 1-3 any one, it is characterised in that the system
Preparation Method includes smelting technology and Technology for Heating Processing；Wherein, described smelting technology step is as follows：
(1) dispensing and melting：Dispensing is carried out by above-mentioned raw materials mass percent, is heated to 1530-1550 DEG C to each melting sources,
Molten metal is smelted into, 5-10min is incubated in this temperature；
(2) refine and stand：The surface scum of the molten metal obtained by step (1) is skimmed, then refines 3-5min, refining is completed
Skim surface scum again afterwards, stand 8-10min；
(3) pour into a mould：The moulding by casting when the molten metal temperature after refining is down to 1500-1520 DEG C, obtains ferrous alloy；
Described Technology for Heating Processing is：
The ferrous alloy that melting is obtained carries out 3-6h solution treatment at a temperature of 1100-1200 DEG C, then at 700-800 DEG C
5-10h Ageing Treatment is carried out in temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847165.6A CN107604229A (en) | 2017-09-19 | 2017-09-19 | A kind of hot-strength iron-base alloy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847165.6A CN107604229A (en) | 2017-09-19 | 2017-09-19 | A kind of hot-strength iron-base alloy and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107604229A true CN107604229A (en) | 2018-01-19 |
Family
ID=61061260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710847165.6A Pending CN107604229A (en) | 2017-09-19 | 2017-09-19 | A kind of hot-strength iron-base alloy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107604229A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538428A (en) * | 2018-05-30 | 2018-09-14 | 安徽尼古拉电子科技有限公司 | A kind of cable heat-resistant aluminium alloy material |
| CN108715953A (en) * | 2018-05-30 | 2018-10-30 | 安徽尼古拉电子科技有限公司 | A kind of cable aluminum alloy materials |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120362A (en) * | 2014-06-27 | 2014-10-29 | 苏州市盛百威包装设备有限公司 | High-toughness spring steel and preparation method thereof |
| CN104313494A (en) * | 2014-11-12 | 2015-01-28 | 通裕重工股份有限公司 | Smelting method of steel SA-335P92 for supercritical boiler |
| CN104745954A (en) * | 2015-04-29 | 2015-07-01 | 芜湖三联锻造有限公司 | Alloy steel and manufacturing method thereof |
| CN106048460A (en) * | 2016-07-14 | 2016-10-26 | 浙江省龙泉市沈广隆剑铺 | Longquan Tianfu sword and manufacturing process thereof |
| CN106219590A (en) * | 2016-08-16 | 2016-12-14 | 南昌大学 | A kind of preparation method of rare earth oxide/graphene nanocomposite material |
| CN106544592A (en) * | 2016-11-01 | 2017-03-29 | 辽宁乾金金属材料开发有限公司 | Obdurability hot die steel and its production method |
-
2017
- 2017-09-19 CN CN201710847165.6A patent/CN107604229A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120362A (en) * | 2014-06-27 | 2014-10-29 | 苏州市盛百威包装设备有限公司 | High-toughness spring steel and preparation method thereof |
| CN104313494A (en) * | 2014-11-12 | 2015-01-28 | 通裕重工股份有限公司 | Smelting method of steel SA-335P92 for supercritical boiler |
| CN104745954A (en) * | 2015-04-29 | 2015-07-01 | 芜湖三联锻造有限公司 | Alloy steel and manufacturing method thereof |
| CN106048460A (en) * | 2016-07-14 | 2016-10-26 | 浙江省龙泉市沈广隆剑铺 | Longquan Tianfu sword and manufacturing process thereof |
| CN106219590A (en) * | 2016-08-16 | 2016-12-14 | 南昌大学 | A kind of preparation method of rare earth oxide/graphene nanocomposite material |
| CN106544592A (en) * | 2016-11-01 | 2017-03-29 | 辽宁乾金金属材料开发有限公司 | Obdurability hot die steel and its production method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538428A (en) * | 2018-05-30 | 2018-09-14 | 安徽尼古拉电子科技有限公司 | A kind of cable heat-resistant aluminium alloy material |
| CN108715953A (en) * | 2018-05-30 | 2018-10-30 | 安徽尼古拉电子科技有限公司 | A kind of cable aluminum alloy materials |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101497956B (en) | Big section ferrite magnesium iron and preparation technique thereof | |
| CN101979692A (en) | Al-Zn-Mg-Cu aluminum alloy with ultra-high strength and preparation process thereof | |
| CN103243236B (en) | High-toughness wear-resistant zinc alloy containing fine crystalline grains and preparation process for same | |
| CN107604229A (en) | A kind of hot-strength iron-base alloy and preparation method thereof | |
| CN103160721A (en) | High-hardness heat-resistant magnesium alloy | |
| CN105401005A (en) | Al-Si alloy material and production method thereof | |
| CN103131924A (en) | Sm-containing Mg-Al-Zn heat-resisting deformed magnesium alloy | |
| CN107177764A (en) | A kind of high strength and low cost cast magnesium alloy and preparation method thereof | |
| CN107841678A (en) | A kind of ball blast technique pellet and preparation method thereof | |
| CN107653408A (en) | A kind of almag ingot casting and preparation method thereof | |
| CN103667983A (en) | High-strength spring steel and preparation method thereof | |
| CN107604260A (en) | A kind of ferrous alloy and preparation method thereof | |
| CN108048765A (en) | A kind of automotive upholstery production magnesium alloy materials and preparation method thereof | |
| CN109082576A (en) | A kind of rare earth magnesium alloy material and its manufacturing process | |
| CN103627991A (en) | Rupture-resistant alloy steel hammerhead material and preparation method thereof | |
| CN103614656A (en) | High-vanadium alloy steel material used for bearings and preparation method thereof | |
| CN106917015A (en) | A kind of tough aluminium alloy high used for vehicle and preparation method thereof | |
| CN107699824B (en) | A kind of high intensity manganeisen and preparation method thereof | |
| CN103614646A (en) | Alloy steel material used for concrete pump conveyer pipes and preparation method of the alloy steel material | |
| CN103627994A (en) | Corrosion-resistant high-chromium steel hammerhead material for mines and preparation method thereof | |
| CN103627997A (en) | High-tungsten high-carbon steel hammerhead material and preparation method thereof | |
| CN108239729A (en) | A kind of strong steel alloy of heat | |
| CN107723609A (en) | A kind of ventilator cowling | |
| CN103667942B (en) | A kind of wear-resisting pump shaft mild steel material and preparation method thereof | |
| CN105908076A (en) | Low-alloy high-toughness cast steel and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |
|
| RJ01 | Rejection of invention patent application after publication |