CN110252843A - A kind of preparation method of the A100 super-high strength steel silk material for increasing material manufacturing - Google Patents
A kind of preparation method of the A100 super-high strength steel silk material for increasing material manufacturing Download PDFInfo
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- CN110252843A CN110252843A CN201910618476.4A CN201910618476A CN110252843A CN 110252843 A CN110252843 A CN 110252843A CN 201910618476 A CN201910618476 A CN 201910618476A CN 110252843 A CN110252843 A CN 110252843A
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- silk material
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- strength steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
Abstract
The present invention is a kind of preparation method of A100 super-high strength steel silk material for increasing material manufacturing, and this method is good by forging, rolling process acquisition surface quality by A100 super-high strength steel ingot
Description
Technical field
The present invention is a kind of preparation method of A100 super-high strength steel silk material for increasing material manufacturing, is related to metal material processing
Field.
Background technique
With the fast development of aircraft industry, the weight strength to meet extremely harsh needed for aerospace component is when broken
Toughness requirements are split, Carpenter company, the U.S. develops a kind of novel high Co-Ni superelevation on the basis of AF1410 alloy proportion
Strength steel-A100 steel, the tensile strength 1930-2070MPa of the steel, while fracture toughness are not less than 110MPa.m1/2, therefore
A100 steel rapidly becomes aviation field manufacture undercarriage, piston rod, torsion with its superhigh intensity and excellent fracture toughness
The preferred material of the important bearing member such as arm.
A100 steel is the Fe-Co-Ni system alloy strengthened by C, Cr, Mo, and alloy element is up to 30%, and the steel is using true
Empty melting adds double vacuum melting techniques of vacuum consumable remelting, and material manufacturing cost is higher.Undercarriage outer cylinder and piston rod at present
Equal cylindrical members are all made of tradition forging and cooperate mach manufacturing method, and component solid in cylinder is then in Integral die-forged part
On the basis of carry out deep thorax cutting removal.That there are manufacture difficulty is high for traditional undercarriage manufacturing method, the period is long, stock utilization
Low disadvantage is unable to satisfy the requirement of aircraft type Rapid Trial-Manufacture.
With the fast development of increases material manufacturing technology, using electric arc+silk material fuse deposition formation as the increasing material manufacturing of representative
Technology is increasingly used in aviation component.It is manufactured compared to traditional subtraction formula, electric arc+silk material increasing material manufacturing is this emerging
Machining manufacture be able to achieve efficient, the near-net-shape of metalwork, early period without mold investment, dimensions limit can be broken through
System prepares the component of small lot and complex geometric shapes, has many advantages, such as stock utilization height, short preparation period, quick response.
The relevant technologies team, the country has set about carrying out the project for preparing A100 steel member using electric arc+silk material increasing material manufacturing method at present
Research, but the dedicated A100 super-high strength steel silk material of increasing material manufacturing is currently in the market vacancy, needs to develop a kind of increasing material manufacturing dedicated
A100 super-high strength steel silk.
Summary of the invention
Researching and developing the dedicated A100 super-high strength steel silk material of increasing material manufacturing, there are following technical problems.First, A100 super-high strength steel
Elongation percentage is less than 15%, and plastic deformation ability is poor, extremely difficult deformation during tube reducing, especially batch production diameter
Following silk material is more difficult；Second, compared to common welding silk material, the dedicated silk material of increasing material manufacturing need to meet higher surface matter
Amount the defects of in addition to conventional surface flawless, oxidation, corrosion, will also guarantee silk material surface-brightening without shadows such as greasy dirt, lubricants
Ring the residue of increasing material manufacturing technique.To solve above-mentioned technical problem, the invention proposes the A100 superelevation for increasing material manufacturing
The preparation method of strong steel wire material
The content of technical solution of the present invention is as follows:
1. a kind of preparation method of the A100 super-high strength steel silk material for increasing material manufacturing, it is characterised in that: the step of this method
It is rapid as follows:
Step 1: forging: A100 super-high strength steel ingot being entered stove heating processing, then opens forging, obtains forging bar；
Step 2: rolling: forging bar described in step 1 being heat-treated, is then rolled, rolled bar material is obtained；
Step 3: a stress relief annealing: rolled bar material being heated at 680 DEG C, 120min is kept the temperature, is then air-cooled to
Room temperature；
Step 4: rough pull out: once being stripped off the skin to the rolling wire rod after annealing, infiltrate lubrication prescription, heating, and drawn
It pulls out, obtains A100 silk material blank；
Step 5: secondary stress relief annealing: silk material blank being heated at 680 DEG C, 90min is kept the temperature, is then air-cooled to
Room temperature；
Step 6: finishing drawing: stripping off the skin to the silk material blank after secondary stress relief annealing into secondary row, cold drawing obtains most
The A100 silk material of whole diameter dimension.
Further, in step 1, it is described enter stove heating processing temperature be 700~800 DEG C, be then warming up to 980 with furnace
~1000 DEG C, keep the temperature 45~60min；It is described to open forging, 950~980 DEG C of forging temperature, 830~850 DEG C of final forging temperature.The forging
Diameter of rod is made no more than 45mm.
Further, in step 2, the charging temperature of the heat treatment is 880~900 DEG C, keeps the temperature 30~45min；It is described to roll
The start rolling temperature of system is 880~1000 DEG C, and finishing temperature is 800~850 DEG C.The rolled bar material diameter is not more than 9mm.
Further, described once to strip off the skin using scalping mold in step 4, the sizing reduction that strips off the skin is 0.3~0.5mm, described
The heating temperature of heating is 800~830 DEG C, and the lubricant is aquadag+ammonium hydroxide, and ammonium hydroxide is gone out nitrogen and hydrogen by pyrolytic
To form protective gas atmosphere, in drawing, diameter is greater than φ 4.0, and tube reducing is not more than 0.4mm per pass, and diameter is less than φ 4.0
Tube reducing per pass be not more than 0.2mm, the silk material blank, diameter is 0.4mm bigger than final required diameter.
Further, in step 6, it is described it is secondary strip off the skin using scalping mold, the sizing reduction that strips off the skin 0.2mm, the drawing uses
Plycrystalline diamond mold, soap powder make lubricant, single pass sizing reduction 0.2mm.
Further, the diameter of final A100 silk material is 1.6mm.
Further, obtaining final A100 silk material further includes being surface-treated using wire rod polishing machine, around axis, vacuum packet
Dress.
The advantages of technical solution of the present invention:
1, can the increasing material manufacturing of mass production electric arc, electron beam increasing material manufacturing A100 super-high strength steel silk material, can also use
In argon tungsten-arc welding；
2, the A100 super-high strength steel silk material of arbitrary diameter within the scope of 0.8~2.0mm can be provided according to the market demand；
3, the process is a kind of high production efficiency, and stock utilization is high, and silk material surface quality is high, lower-cost increasing
Material manufactures dedicated A100 super-high strength steel silk material production method.
Specific embodiment
Embodiment one
It is as follows that this kind is used for the step of preparation method of the A100 super-high strength steel silk material of increasing material manufacturing:
1. forging: A100 steel ingot being entered to furnace treatment reason at 700 DEG C, is then warming up to 1000 DEG C with furnace, keeps the temperature 60min.It protects
Steel ingot is quickly taken out from high temperature furnace after temperature and places forging machine workbench, transfer interval 20s.980 DEG C of starting forging temperature, finish-forging temperature
850 DEG C of degree obtains the forging bar of diameter 45mm；
2. rolling: the A100 rod iron after forging being entered furnace at 900 DEG C, is rolled after keeping the temperature 30min, start rolling temperature 980
DEG C, 800 DEG C of finishing temperature, obtain the wire rod that diameter is 8.5mm；
3. stress relief annealing: wire rod after rolling being heated at 680 DEG C, 120min is kept the temperature, is then air-cooled to room temperature；
4. rough pull out: the wire rod after stress relief annealing carries out the processing that strips off the skin, unilateral sizing reduction 0.25mm, the acquisition after stripping off the skin
The wire rod of the diameter 8.0mm of surface-brightening is then immersed in aquadag+ammonium hydroxide lubricant, using on-line heating mode, heating temperature
For 800 DEG C and drawing is carried out, diameter 4mm is reduced to by tube reducing 0.4mm per pass, is then reduced to according to tube reducing per pass for 0.2mm
2.0mm obtains A100 super-high strength steel silk material blank；
5. stress relief annealing: thick drawing blank is air-cooled to room temperature after 680 DEG C of heat preservation 90min；
6. finishing drawing: the silk material after stress relief annealing is stripped off the skin again, and unilateral sizing reduction 0.1mm obtains diameter 1.8mm
Silk material, cold drawing is then carried out using plycrystalline diamond mold, soap powder makees lubricant, single pass sizing reduction 0.2mm, obtains diameter
The A100 super-high strength steel finished product silk material of 1.6mm；
7. surface treatment and packaging: the finished product silk material after cold drawing carries out surface polishing treatment using wire rod polishing machine, until
Silk material surface-brightening.Then it will be vacuum-packed after finished product silk material spooling on automatic winding apparatus, it is dedicated to obtain increasing material manufacturing
The A100 super-high strength steel finished product silk material of diameter 1.6mm.
Embodiment two
It is as follows that this kind is used for the step of preparation method of the A100 super-high strength steel silk material of increasing material manufacturing:
1. forging: A100 steel ingot being entered to furnace treatment reason at 800 DEG C, is then warming up to 980 DEG C with furnace, keeps the temperature 60min.Heat preservation
After by steel ingot quickly from high temperature furnace take out place forging machine workbench, transfer interval 25s.950 DEG C of starting forging temperature, final forging temperature
840 DEG C, obtain the forging bar of diameter 45mm；
2. rolling: the A100 rod iron after forging being entered furnace at 900 DEG C, is rolled after keeping the temperature 40min, start rolling temperature 980
DEG C, 800 DEG C of finishing temperature, obtain the wire rod that diameter is 9.0mm；
3. stress relief annealing: wire rod after rolling being heated at 680 DEG C, 120min is kept the temperature, is then air-cooled to room temperature；
4. rough pull out: the wire rod after stress relief annealing carries out the processing that strips off the skin, unilateral sizing reduction 0.2mm, the acquisition after stripping off the skin
The wire rod of the diameter 8.6mm of surface-brightening is then immersed in aquadag+ammonium hydroxide lubricant, using on-line heating mode, heating temperature
For 820 DEG C and drawing is carried out, diameter 3.8mm is reduced to by tube reducing 0.4mm per pass, then subtracts according to tube reducing per pass for 0.2mm
To 1.6mm, A100 super-high strength steel silk material blank is obtained；
5. stress relief annealing: thick drawing blank is air-cooled to room temperature after 680 DEG C of heat preservation 100min；
6. finishing drawing: the silk material after stress relief annealing is stripped off the skin again, and unilateral sizing reduction 0.1mm obtains diameter 1.4mm
Silk material, cold drawing is then carried out using plycrystalline diamond mold, soap powder makees lubricant, single pass sizing reduction 0.2mm, obtains diameter
The A100 super-high strength steel finished product silk material of 1.2mm；
7. surface treatment and packaging: the finished product silk material after cold drawing carries out surface polishing treatment using wire rod polishing machine, until
Silk material surface-brightening.Then it will be vacuum-packed after finished product silk material spooling on automatic winding apparatus, it is dedicated to obtain increasing material manufacturing
The A100 super-high strength steel finished product silk material of diameter 1.2mm.
Claims (9)
1. a kind of preparation method of the A100 super-high strength steel silk material for increasing material manufacturing, it is characterised in that: the step of this method such as
Under:
Step 1: forging: A100 super-high strength steel ingot being entered stove heating processing, then opens forging, obtains forging bar；
Step 2: rolling: forging bar described in step 1 being heat-treated, is then rolled, rolled bar material is obtained；
Step 3: a stress relief annealing: rolled bar material being heated at 680 DEG C, 120min is kept the temperature, is then air-cooled to room
Temperature；
Step 4: rough pull out: once being stripped off the skin to the rolling wire rod after annealing, infiltrate lubrication prescription, heating, and carry out drawing, obtain
Obtain A100 silk material blank；
Step 5: secondary stress relief annealing: silk material blank being heated at 680 DEG C, 90min is kept the temperature, is then air-cooled to room temperature；
Step 6: finishing drawing: stripping off the skin to the silk material blank after secondary stress relief annealing into secondary row, cold drawing obtains final straight
The A100 silk material of diameter size.
2. the preparation method of the A100 super-high strength steel silk material according to claim 1 for increasing material manufacturing, it is characterised in that:
In step 1, it is described enter stove heating processing temperature be 700~800 DEG C, be then warming up to 980~1000 DEG C with furnace, heat preservation 45
~60min；It is described to open forging, 950~980 DEG C of forging temperature, 830~850 DEG C of final forging temperature.
3. the preparation method of the A100 super-high strength steel silk material according to claim 1 for increasing material manufacturing, it is characterised in that:
In step 1, the forging diameter of rod is not more than 45mm.
4. the preparation method of the A100 super-high strength steel silk material according to claim 1 for increasing material manufacturing, it is characterised in that:
In step 2, the charging temperature of the heat treatment is 880~900 DEG C, keeps the temperature 30~45min；The start rolling temperature of the rolling is
880~1000 DEG C, finishing temperature is 800~850 DEG C.
5. the preparation method of the A100 super-high strength steel silk material according to claim 1 for increasing material manufacturing, it is characterised in that:
In step 2, the rolled bar material diameter is not more than 9mm.
6. the preparation method of the A100 super-high strength steel silk material according to claim 1 for increasing material manufacturing, it is characterised in that:
Described once to strip off the skin using scalping mold in step 4, the sizing reduction that strips off the skin is 0.3~0.5mm, and the heating temperature of the heating is
800~830 DEG C, the lubricant is aquadag+ammonium hydroxide, and ammonium hydroxide is gone out nitrogen and hydrogen by pyrolytic to form protective gas
Atmosphere, in drawing, diameter is greater than φ 4.0, and tube reducing is not more than 0.4mm per pass, and diameter is little less than the tube reducing per pass of φ 4.0
In 0.2mm, the silk material blank, diameter is 0.4mm bigger than final required diameter.
7. the preparation method of the A100 super-high strength steel silk material according to claim 1 for increasing material manufacturing, it is characterised in that:
In step 6, it is described it is secondary strip off the skin using scalping mold, the sizing reduction that strips off the skin 0.2mm, the drawing use plycrystalline diamond mold, soap powder make
Lubricant, single pass sizing reduction 0.2mm.
8. the preparation method of the A100 super-high strength steel silk material according to claim 1 for increasing material manufacturing, it is characterised in that:
The diameter of final A100 silk material is 1.6mm.
9. the preparation method of the A100 super-high strength steel silk material according to claim 1 for increasing material manufacturing, it is characterised in that:
Obtaining final A100 silk material further includes being surface-treated using wire rod polishing machine, around axis, vacuum packaging.
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| CN112045192A (en) * | 2020-09-10 | 2020-12-08 | 中国航空工业集团公司沈阳飞机设计研究所 | Manufacturing method of outer cylinder of aircraft landing gear |
| CN112058926A (en) * | 2020-09-02 | 2020-12-11 | 中国航发北京航空材料研究院 | Preparation method of ZL114A wire for arc fuse additive manufacturing |
| CN112322987A (en) * | 2020-11-20 | 2021-02-05 | 中国兵器科学研究院宁波分院 | Ultrahigh-strength steel wire for electric arc additive manufacturing and preparation method |
| CN116275011A (en) * | 2023-05-19 | 2023-06-23 | 清华大学 | Powder for additive manufacturing, ultra-high strength and toughness steel, and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112058926A (en) * | 2020-09-02 | 2020-12-11 | 中国航发北京航空材料研究院 | Preparation method of ZL114A wire for arc fuse additive manufacturing |
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