CN109622838B - Method and device for heating and forging high-temperature alloy - Google Patents
Method and device for heating and forging high-temperature alloy Download PDFInfo
- Publication number
- CN109622838B CN109622838B CN201811507175.6A CN201811507175A CN109622838B CN 109622838 B CN109622838 B CN 109622838B CN 201811507175 A CN201811507175 A CN 201811507175A CN 109622838 B CN109622838 B CN 109622838B
- Authority
- CN
- China
- Prior art keywords
- forging
- deformation
- target forging
- target
- design requirement
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
Abstract
The embodiment of the invention provides a method and a device for heating and forging high-temperature alloy. The method comprises the following steps: obtaining the design requirement of a target forging; according to the first corresponding relation between the design requirement and the high-temperature heating temperature, taking the high-temperature heating temperature corresponding to the design requirement of the target forging as the high-temperature heating temperature of the target forging; according to the second corresponding relation between the design requirement and the blank making deformation, taking the blank making deformation corresponding to the design requirement of the target forging as the blank making deformation of the target forging; and according to the third corresponding relation between the design requirement and the forming deformation, taking the forming deformation corresponding to the design requirement of the target forging as the forming deformation of the target forging. The embodiment of the invention can meet the final required requirements of the forging and reduce the waste of resources caused by product scrap.
Description
Technical Field
The invention belongs to the field of forging hot working, and relates to a method and a device for heating and forging high-temperature alloy.
Background
The GH4169 alloy is a precipitation-hardened Ni-Cr-Fe-based wrought superalloy with a body-centered cubic Ni3Nb (γ ') phase and a face-centered cubic Ni3(Al, Ti, Nb) (γ') phase. Has high yield strength in the temperature range below 650 ℃, good hot working plasticity, oxidation resistance, radiation resistance, fatigue resistance and excellent welding performance. And the internal structure required by the forging is realized by forging deformation after heating.
The types of forgings which can be produced by the alloy after being heated are as follows: the method comprises three major types of standard industry, high-strength process and direct aging process, wherein the high-strength process and the direct aging process are used for high-quality GH4169 alloy forgings, but the determination of the heating temperature of the forgings has great influence on the physical and chemical requirements of the final forgings; such as average grain size and strength index, thereby meeting the application requirements of different rotating parts in the aircraft engine.
The GH4169 alloy forging is sensitive to the heating degree requirement, so that the production heat number, deformation and temperature control requirements of the forging are different, and the deformation temperature and the deformation between the heat numbers are set according to the grain size requirement of the GH4169 alloy forging, so that the final requirement of the forging is met.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: according to the temperature sensitive requirement of the high-temperature alloy forging, the deformation amount between the deformation temperature and the heat is required to be set according to the grain size requirement, the final required requirement of the forging is met, and the great resource waste caused by product scrapping is reduced.
The technical scheme of the invention is as follows:
in a first aspect, there is provided a method of hot forging a superalloy, comprising:
obtaining the design requirement of a target forging;
according to the first corresponding relation between the design requirement and the high-temperature heating temperature, taking the high-temperature heating temperature corresponding to the design requirement of the target forging as the high-temperature heating temperature of the target forging;
according to the second corresponding relation between the design requirement and the blank making deformation, taking the blank making deformation corresponding to the design requirement of the target forging as the blank making deformation of the target forging;
according to the third corresponding relation between the design requirement and the forming deformation, the forming deformation corresponding to the design requirement of the target forging is used as the forming deformation of the target forging, so that a user can conveniently use the target 2 according to the forming deformation
The heating temperature of the forging, the blank making deformation of the target forging and the forming deformation of the target forging
Controlling the requirements of the target forging.
Further, the design requirements include: flaw detection grade and diameter of flat bottomed hole.
Further, the first corresponding relationship includes:
when the flaw detection level is level A and the diameter of the flat-bottom hole is 2mm, the high-temperature heating temperature is 1020-1030 ℃, and the grain size of the internal tissue of the target forging is 6-5;
when the flaw detection level is AA level and the diameter of the flat-bottom hole is 1.5mm, the high-temperature heating temperature is 1010-1020 ℃, and the grain size of the internal tissue of the target forging is 8-7 level;
and when the flaw detection level is AAA level and the diameter of the flat-bottom hole is 0.8mm, the high-temperature heating temperature is 1000-1010 ℃, and the grain size of the internal tissue of the target forging is 10-9 level.
Further, the second corresponding relationship includes:
when the flaw detection grade is A grade and the diameter of the flat-bottom hole is 2mm, the blank making deformation range is 15% -20%;
when the flaw detection grade is AA grade and the diameter of the flat-bottom hole is 1.5mm, the blank making deformation range is 20-25%;
when the flaw detection grade is AAA grade and the diameter of the flat bottom hole is 0.8mm, the blank manufacturing deformation range is 25-30%.
Further, the third corresponding relationship includes:
when the flaw detection grade is A grade and the diameter of the flat-bottom hole is 2mm, the forming deformation is 25-30%;
when the flaw detection grade is AA grade and the diameter of the flat-bottom hole is 1.5mm, the forming deformation range is 30-35%;
when the flaw detection grade is AAA grade and the diameter of the flat bottom hole is 0.8mm, the forming deformation is in the range of 35-40%.
In a second aspect, there is provided an apparatus for hot forging a superalloy, comprising:
the obtaining module is used for obtaining the design requirement of the target forging;
the determining module is used for taking the high-temperature heating temperature corresponding to the design requirement of the target forging as the high-temperature heating temperature of the target forging according to the first corresponding relation between the design requirement and the high-temperature heating temperature; according to the second corresponding relation between the design requirement and the blank making deformation, taking the blank making deformation corresponding to the design requirement of the target forging as the blank making deformation of the target forging; and according to a third corresponding relation between the design requirement and the forming deformation, taking the forming deformation corresponding to the design requirement of the target forging as the forming deformation of the target forging, so that a user can control the requirement of the target forging according to the heating temperature of the target forging, the blanking deformation of the target forging and the forming deformation of the target forging.
The invention has the advantages that: the yield of the target forge piece is improved while the required target forge piece is forged.
Detailed Description
The technical scheme of the invention is further detailed by combining the following examples:
the GH4169 alloy is taken as an example of a high-temperature alloy, and the method for heating and forging the high-temperature alloy is introduced.
1. Temperature control
In the production process of the GH4169 alloy annular forging, the heating adopts step preheating, the heating temperature is improved to one by three-step heating or two-step heating of the original process, the calculation coefficient of the heat preservation time is adjusted, the cold material is heated, and the temperature is as follows: the T1 cold heat preservation time is calculated according to 1.5-2.0min/mm, and the T2 hot heat preservation time is calculated according to 10.9-1.5 min/mm.
In the production process, the set heating temperatures of forgings with different flaw detection requirements are different, the GH4169 flaw detection grade is A grade, and the temperature is 1020 ℃ when phi 2.0 flat bottom holes are produced according to mass production verification; GH4169 flaw detection grade is AA grade, and when phi 1.5 flat bottom holes are formed, the temperature is 1010 ℃; GH4169 flaw detection grade is AAA grade, and when phi is 0.8 flat bottom hole, the temperature is 1000 ℃; thereby realizing the grain sizes of the internal tissues of the forgings to be 6 grades, 8 grades and 10 grades.
2. Deformation amount control
1) Strictly controlling the deformation amount between each fire in the forging process
Blank preparation:
when the flaw detection grade of GH4169 is A grade and a flat hole with the diameter of 2.0 is adopted, the blank manufacturing deformation amount is within the range of 15-20%;
the GH4169 flaw detection grade is AA grade, and when a flat bottom hole with the diameter of 1.5 is formed, the blank manufacturing deformation amount is within the range of 20-25 percent;
the GH4169 flaw detection grade is AAA grade, and when a flat bottom hole with the diameter of 0.8mm is formed, the blank manufacturing deformation is within the range of 25-30%;
molding:
the GH4169 flaw detection grade is A grade, and when a flat hole with the diameter of 2.0 is formed, the forming deformation is within the range of 25-30%;
GH4169 flaw detection grade is AA grade, and when a flat bottom hole with the diameter of 1.5 is formed, the forming deformation is within the range of 30-35%;
GH4169 flaw detection grade is AAA grade, and when a flat hole with a diameter of 0.8 is formed, the forming deformation is within the range of 35-40%.
The gas seal ring forging has the part size phi 207.7 multiplied by phi 190 multiplied by 80; materials: GH4169, category I, specification of blanking required by process specifications: phi 150X 195, weight: 29Kg, the overall performance index and the grain size requirement of the forging piece meet the requirement of xx-0504 standard (the grain size requirement is 4 level).
The forging steps are detailed as follows:
the first step is as follows: charging phi 150X 195 batch material into furnace, heating to 1010 deg.C, holding for 300min, upsetting cake to phi 190X 120 (after 1 fire is finished); the punching is not more than phi 100 multiplied by 30(1 fire is finished);
the second step is that: lathing the inner hole to phi 120; chamfering R10 on the upper and lower end faces of the inner hole; and (6) sanding and grinding.
The third step: putting the forged piece after the automobile into the furnace at 890 ℃ and heating the forged piece at 1010 ℃ for 70min (finishing the fire); and (3) expanding the flat end face to the size of the forged piece: phi 230 + -3 × phi 165 + -2 × 117 + -2 (1 fire completed);
the fourth step: carrying out heat treatment on the forged piece according to the heat treatment specification;
the fifth step: and (3) performing physical and chemical tests on the forged piece, wherein each performance index reaches the standard, and the grain size reaches the requirement.
Claims (4)
1. A method of hot forging a superalloy, comprising:
obtaining the design requirement of a target forging;
according to the first corresponding relation between the design requirement and the high-temperature heating temperature, taking the high-temperature heating temperature corresponding to the design requirement of the target forging as the high-temperature heating temperature of the target forging; in the production process of the target forging, step preheating is adopted for heating;
according to the second corresponding relation between the design requirement and the blank making deformation, taking the blank making deformation corresponding to the design requirement of the target forging as the blank making deformation of the target forging;
according to a third corresponding relation between the design requirement and the forming deformation, the forming deformation corresponding to the design requirement of the target forging is used as the forming deformation of the target forging, so that a user can control the requirement of the target forging according to the heating temperature of the target forging, the blanking deformation of the target forging and the forming deformation of the target forging;
the design requirements include: flaw detection grade and diameter of flat bottom hole;
the first correspondence includes:
when the flaw detection level is level A and the diameter of the flat-bottom hole is 2mm, the high-temperature heating temperature is 1020-1030 ℃, and the grain size of the internal tissue of the target forging is 6-5;
when the flaw detection level is AA level and the diameter of the flat-bottom hole is 1.5mm, the high-temperature heating temperature is 1010-1020 ℃, and the grain size of the internal tissue of the target forging is 8-7 level;
and when the flaw detection level is AAA level and the diameter of the flat-bottom hole is 0.8mm, the high-temperature heating temperature is 1000-1010 ℃, and the grain size of the internal tissue of the target forging is 10-9 level.
2. The method of claim 1, wherein the second correspondence comprises:
when the flaw detection grade is A grade and the diameter of the flat-bottom hole is 2mm, the blank making deformation range is 15% -20%;
when the flaw detection grade is AA grade and the diameter of the flat-bottom hole is 1.5mm, the blank making deformation range is 20-25%;
when the flaw detection grade is AAA grade and the diameter of the flat bottom hole is 0.8mm, the blank manufacturing deformation range is 25-30%.
3. The method of claim 1, wherein the third correspondence comprises:
when the flaw detection grade is A grade and the diameter of the flat-bottom hole is 2mm, the forming deformation is 25-30%;
when the flaw detection grade is AA grade and the diameter of the flat-bottom hole is 1.5mm, the forming deformation range is 30-35%;
when the flaw detection grade is AAA grade and the diameter of the flat bottom hole is 0.8mm, the forming deformation is in the range of 35-40%.
4. An apparatus for heating and forging a superalloy, comprising:
the obtaining module is used for obtaining the design requirement of the target forging;
the determining module is used for taking the high-temperature heating temperature corresponding to the design requirement of the target forging as the high-temperature heating temperature of the target forging according to the first corresponding relation between the design requirement and the high-temperature heating temperature; in the production process of the target forging, step preheating is adopted for heating; according to the second corresponding relation between the design requirement and the blank making deformation, taking the blank making deformation corresponding to the design requirement of the target forging as the blank making deformation of the target forging; according to a third corresponding relation between the design requirement and the forming deformation, the forming deformation corresponding to the design requirement of the target forging is used as the forming deformation of the target forging, so that a user can control the requirement of the target forging according to the heating temperature of the target forging, the blanking deformation of the target forging and the forming deformation of the target forging;
the design requirements include: flaw detection grade and diameter of flat bottom hole;
the first correspondence includes:
when the flaw detection level is level A and the diameter of the flat-bottom hole is 2mm, the high-temperature heating temperature is 1020-1030 ℃, and the grain size of the internal tissue of the target forging is 6-5;
when the flaw detection level is AA level and the diameter of the flat-bottom hole is 1.5mm, the high-temperature heating temperature is 1010-1020 ℃, and the grain size of the internal tissue of the target forging is 8-7 level;
and when the flaw detection level is AAA level and the diameter of the flat-bottom hole is 0.8mm, the high-temperature heating temperature is 1000-1010 ℃, and the grain size of the internal tissue of the target forging is 10-9 level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507175.6A CN109622838B (en) | 2018-12-11 | 2018-12-11 | Method and device for heating and forging high-temperature alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507175.6A CN109622838B (en) | 2018-12-11 | 2018-12-11 | Method and device for heating and forging high-temperature alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109622838A CN109622838A (en) | 2019-04-16 |
| CN109622838B true CN109622838B (en) | 2020-08-11 |
Family
ID=66072685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811507175.6A Active CN109622838B (en) | 2018-12-11 | 2018-12-11 | Method and device for heating and forging high-temperature alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109622838B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947886A (en) * | 2019-12-11 | 2020-04-03 | 陕西宏远航空锻造有限责任公司 | Method and device for heating and forging high-temperature alloy |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1433863A1 (en) * | 2002-12-26 | 2004-06-30 | General Electric Company | Method for producing homogeneous fine grain titanium alloys suitable for ultrasonic inspection |
| CN101332484A (en) * | 2007-06-25 | 2008-12-31 | 宝山钢铁股份有限公司 | Die forging method of high-temperature alloy |
| CN101650342A (en) * | 2009-09-05 | 2010-02-17 | 湖北新冶钢有限公司 | Calibration test block and method for ultrasonic detection of large-sized steel ferrule finished product |
| CN104907472A (en) * | 2015-05-25 | 2015-09-16 | 无锡市派克重型铸锻有限公司 | Forging forming method for high temperature alloy frame-shaped piece |
| CN106607529A (en) * | 2015-10-27 | 2017-05-03 | 陕西宏远航空锻造有限责任公司 | Forging method for high-temperature alloy biscuits |
| CN108246947A (en) * | 2017-12-07 | 2018-07-06 | 陕西宏远航空锻造有限责任公司 | A kind of GH4169 alloy die forgings improve the forging method of flaw detection bottom damage |
-
2018
- 2018-12-11 CN CN201811507175.6A patent/CN109622838B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1433863A1 (en) * | 2002-12-26 | 2004-06-30 | General Electric Company | Method for producing homogeneous fine grain titanium alloys suitable for ultrasonic inspection |
| CN101332484A (en) * | 2007-06-25 | 2008-12-31 | 宝山钢铁股份有限公司 | Die forging method of high-temperature alloy |
| CN101650342A (en) * | 2009-09-05 | 2010-02-17 | 湖北新冶钢有限公司 | Calibration test block and method for ultrasonic detection of large-sized steel ferrule finished product |
| CN104907472A (en) * | 2015-05-25 | 2015-09-16 | 无锡市派克重型铸锻有限公司 | Forging forming method for high temperature alloy frame-shaped piece |
| CN106607529A (en) * | 2015-10-27 | 2017-05-03 | 陕西宏远航空锻造有限责任公司 | Forging method for high-temperature alloy biscuits |
| CN108246947A (en) * | 2017-12-07 | 2018-07-06 | 陕西宏远航空锻造有限责任公司 | A kind of GH4169 alloy die forgings improve the forging method of flaw detection bottom damage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109622838A (en) | 2019-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108907049B (en) | Forging method for improving special TC4 titanium alloy structure performance | |
| CN109622865B (en) | Forging method of GH4169 series high-temperature alloy turbine disc for aero-engine | |
| CN101480689B (en) | Near-isothermal forging method of two-phase titanium alloy disk-type forgeable piece | |
| CN110976746B (en) | GH141 alloy forging forming method | |
| EP2659993B1 (en) | Closed-die forging method and method of manufacturing forged article | |
| CN101804441B (en) | Near-isothermal forging method of TC17 biphase titanium alloy disc forge piece | |
| CN101941039B (en) | High-strength aluminum alloy isothermal direction-change open die forging method and device | |
| US20110189480A1 (en) | Magnesium Fastener Manufacturing Method and A Magnesium Fastener Member Produced Thereby | |
| CN101927312A (en) | Method for processing TC4 titanium alloy into forged rings | |
| CN111215567A (en) | Forging method for improving grain size of GH4099 high-temperature alloy thin-wall ring | |
| CN104388860B (en) | A kind of nickel base superalloy finish forge cogging method | |
| CN112846015B (en) | GH536 high-temperature alloy annular forging forming method | |
| CN106623743A (en) | GH4738 alloy die forging and preparation method thereof | |
| CN105414428A (en) | Forging technique for cake forgings | |
| CN107913963A (en) | A kind of GH4169 alloy annulars forging forming method | |
| CN105689613A (en) | Special forging method suitable for super duplex stainless steel bars | |
| CN102764837A (en) | Method for forging GH4169 disc-shaped piece | |
| CN106694791A (en) | Crack control and forming method for large and medium-sized GH141 alloy annular forged piece | |
| CN106734465B (en) | Method based on the hot press-formed production automobile B-column of multilayer common metal composite plate | |
| CN103341580A (en) | Free forging method for medium-pressure combined regulation valve stem workblank of supercritical turbine | |
| CN109622838B (en) | Method and device for heating and forging high-temperature alloy | |
| CN111250639B (en) | Blank forming method for GH4169 large-sized special-shaped ring forging | |
| CN110947886A (en) | Method and device for heating and forging high-temperature alloy | |
| CN109261865A (en) | A kind of quasi- β forging deformation control method of TC18 titanium alloy die forging part | |
| CN111069491B (en) | Hot forming method for improving structural uniformity of GH4586 alloy disc-shaped piece |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |