CN102418060A - Processing method of TC4 titanium alloy large-size bar - Google Patents
Processing method of TC4 titanium alloy large-size bar Download PDFInfo
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 45
- 238000003672 processing method Methods 0.000 title 1
- 238000005242 forging Methods 0.000 claims abstract description 123
- 238000000034 method Methods 0.000 claims abstract description 34
- 238000005266 casting Methods 0.000 claims description 46
- 230000009466 transformation Effects 0.000 claims description 29
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- 239000000956 alloy Substances 0.000 claims description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000011161 development Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a method for processing a TC4 titanium alloy large-size bar, which comprises the following steps: firstly, cogging and forging a TC4 titanium alloy ingot for 2-3 times to obtain a forged blank; repeatedly upsetting, drawing and forging the forging stock for 2-3 times; thirdly, repeatedly upsetting, lengthening and forging the forged blank for 3-5 times; and fourthly, chamfering, rounding and forging the forged blank for 2 times to obtain the TC4 titanium alloy bar with the diameter of 200-400 mm and the length of not less than 2500 mm. The TC4 titanium alloy bar processed by the method has uniform and fine grains, few internal defects and high safety, and accords with the domestic advanced level of similar products, the room-temperature tensile strength of the processed TC4 titanium alloy bar is 920-960 MPa, the yield strength is 830-870 MPa, the elongation is not less than 12%, the reduction of area is not less than 36%, the flaw detection clutter reflection signal is small, and the flaw detection level is high.
Description
Technical field
The invention belongs to the titanium alloy rod bar preparing technical field, be specifically related to a kind of working method of TC4 titanium alloy large size bar.
Background technology
Advantages such as titanium alloy has the specific tenacity height, resistance to corrosion is strong, high-temperature behavior is good, processability is good are the important materials that use in fields such as Aeronautics and Astronautics, weapons.Aircraft industry is the main application fields of titanium alloy, and TC4 is the maximum alloy designations of consumption, accounts for about 70% of titanium alloy ultimate production, is mainly used in the structural part of aircraft.Along with the development of aircraft industry, for safe reliability, prolongs life, the raising structure benefit that improves aircraft, the development trend of airplane design is to reduce welding; Load spare adopts heavy froging and large-scale integral forging, for satisfying development, the production of heavy froging and large-scale integral forging, needs to use high quality, large-size titanium alloy bar; Yet, at home in the above bar production method of TC4 titanium alloy Φ 100mm, for guaranteeing tissue, performance unanimity and meeting the requirements; Need below transformation temperature, carry out upsetting pull repeatedly forges; And the forged realization of upsetting pull is confined to axially owing to receive the restriction of upsetting pull forging method, make small deformation district and distortion dead band be organized in lesser temps the time all can not obtain effective refinement all the time; And homogeneity of structure is relatively poor; Thereby make that cycle length, the bar substance of the above bar production of domestic TC4 titanium alloy Φ 100mm are less, the quality product consistence is poor, and the UT rank is low.The diameter of rod of suitability for industrialized production and application is Φ 220mm to the maximum at present; Single Zhi Changdu only has about 1.5 meters; Be difficult to satisfy the demand in fields such as domestic and international Aeronautics and Astronautics, boat,, but still be confined to little blank upsetting pull technology repeatedly though domestic many units have carried out the development of the above scale rod bar of Φ 200mm; Bar length or substance are difficult to improve, and tissue, UT and quality conformance etc. require still to exist big gap.
Summary of the invention
Technical problem to be solved by this invention is the deficiency to above-mentioned prior art, provides a kind of method simple, does not need the large-tonnage forging equipment, can on the press of less tonnage, realize the working method of the TC4 titanium alloy large size bar of suitability for industrialized production.Adopting the TC4 titanium alloy rod bar room temperature tensile intensity of the inventive method processing is 920MPa～960MPa, and ys is 830MPa～870MPa, and unit elongation is not less than 12%, and relative reduction in area is not less than 36%, and the flaw detection clutter echo signal is less, and the flaw detection rank is high.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of working method of TC4 titanium alloy large size bar is characterized in that this method may further comprise the steps:
Step 1, the TC4 titan alloy casting ingot that diameter is not less than 700mm are that 2～3 fire are forged in cogging under 1150 ℃～1200 ℃ the condition in temperature; Control every fire time forging ratio and be not less than 1.5; Total forging ratio is not less than 3, and every fire time final forging temperature all is not less than 900 ℃, obtains forging stock;
Step 2, be that 2～3 fire are forged in jumping-up and pulling repeatedly under 20 ℃～50 ℃ the condition more than the TC4 titan alloy casting ingot beta transformation point in temperature with forging stock described in the step 1; Controlling every fire time forging ratio is 1.5～1.8; Total forging ratio is not less than 3, and every fire time final forging temperature all is not less than 820 ℃;
Step 3, be that 3～5 fire are forged in jumping-up and pulling repeatedly under 20 ℃～30 ℃ the condition below the ingot casting beta transformation point in temperature with the forging stock after forging in the step 2; Control every fire time forging ratio and be not less than 1.5; The total forging ratio of two-phase region is not less than 6, and every fire time final forging temperature all is not less than 820 ℃;
Step 4, be round as a ball forging 2 fire of chamfered edge under 30 ℃～50 ℃ the condition below the ingot casting beta transformation point in temperature with the forging stock after forging in the step 3; Every fire time final forging temperature all is not less than 800 ℃; Obtaining diameter is 200mm～400mm, and length is not less than the TC4 titanium alloy rod bar of 2500mm.
The working method of above-mentioned a kind of TC4 titanium alloy large size bar is heated to the min of 1150 ℃～1200 ℃ and insulation (D/2+20) min～(D/2+40) with titan alloy casting ingot before every fire described in the step 1 time forges, and wherein D is the diameter of TC4 titan alloy casting ingot.
The working method of above-mentioned a kind of TC4 titanium alloy large size bar; Before every fire described in the step 2 time forges forging stock is heated to more than the TC4 titan alloy casting ingot beta transformation point min of 20 ℃～50 ℃ and insulation (L/2+20) min～(L/2+40), wherein L is the minimum length of side of the xsect of forging stock.
The working method of above-mentioned a kind of TC4 titanium alloy large size bar adopts the switching-over pier to pull out mode in jumping-up and the pulling forging process described in the step 3 repeatedly, and it is different that the pier that wherein commutates pulls out the direction that is meant each jumping-up and pulling.
The working method of above-mentioned a kind of TC4 titanium alloy large size bar; Before every fire described in the step 3 time forges with forging stock be heated to below the TC4 titan alloy casting ingot beta transformation point 20 ℃～30 ℃ and insulation (L '/2+20) min～(L '/2+40) min, wherein L ' is the minimum length of side of the xsect of forging stock.
Below the working method of above-mentioned a kind of TC4 titanium alloy large size bar, the forging stock water-cooled to 300 after will forging after every fire described in the step 3 time forges ℃.
The working method of above-mentioned a kind of TC4 titanium alloy large size bar, the round as a ball forged every fire of chamfered edge described in the step 4 time deflection is 25%～35%.
The present invention compared with prior art has the following advantages:
1, the inventive method is simple, does not need the large-tonnage forging equipment, can on the press of less tonnage, realize suitability for industrialized production.
2, the present invention can make that through three vacuum consumable electrode arc furnace meltings the ingot casting composition is more even, and segregation is little, and the ingot casting subsurface defect is few simultaneously, and at the bottom of excision rising head and the ingot, helps getting rid of in advance the influence of ingot casting melting defective to subsequent production.
3, the present invention adopts the mode that the high temperature upsetting pull+the switching-over upsetting pull combines, and can effectively eliminate or reduce the small deformation district and be out of shape the dead band to organizing conforming influence, helps improving the homogeneity of structure of blank.
4, adopt the big specification TC4 titanium alloy rod uniform crystal particles, tiny of the inventive method processing, subsurface defect is few, and is safe, and constant product quality property is good, helps high standard flaw detection requirement, meets the like product advanced international level.
5, adopting the TC4 titanium alloy rod bar room temperature tensile intensity of the inventive method processing is 920MPa～960MPa; Ys is 830MPa～870MPa, and unit elongation is not less than 12%, and relative reduction in area is not less than 36%; The flaw detection clutter echo signal is less, and the flaw detection rank is high.
Through embodiment, technical scheme of the present invention is done further detailed description below.
Embodiment
Embodiment 1
Present embodiment employing diameter is that the TC4 titan alloy casting ingot of Φ 700mm is that raw material processing diameter is the TC4 titanium alloy rod bar of Φ 250mm, and working method is specific as follows:
Step 1, to use the 2500T oil press be that 2 fire are forged in cogging under 1150 ℃ the condition in temperature with the TC4 titan alloy casting ingot of Φ 700mm, and the forging ratio of controlling every fire time is 1.5, and final forging temperature all is not less than 900 ℃, obtains the forging stock of 400mm * 400mm * 850mm; Before forging, said every fire time ingot casting is heated to 1150 ℃ and be incubated 390min with gas furnace;
Step 2, with the 2500T oil press with 400mm * 400mm described in the step 1 * 850mm forging stock temperature be more than the ingot casting beta transformation point under 20 ℃ the condition repeatedly jumping-up forge 2 fire with pulling; Control the inferior forging ratio of every fire and be 1.5, final forging temperature all is not less than 820 ℃; Before forging, said every fire time forging stock is heated to more than the ingot casting beta transformation point 20 ℃ and be incubated 240min with electric furnace;
Step 3, with the 2500T oil press with the 400mm * 400mm * 850mm forging stock after forging in the step 2 temperature be adopt under 30 ℃ the condition below the ingot casting beta transformation point switching-over pier pull out mode repeatedly jumping-up forge 3 fire with pulling; Each fire time forging ratio is 3, and every fire time final forging temperature all is not less than 820 ℃; Before said every fire time forges forging stock is heated to below the ingot casting beta transformation point 30 ℃ and be incubated 240min, below the forging stock water-cooled to 300 after will forging after every fire forges ℃; It is different that said switching-over pier pulls out the direction that is meant each jumping-up and pulling;
Step 4, be round as a ball forging 1 fire of chamfered edge under 30 ℃ the condition below the ingot casting beta transformation point in temperature with the forging stock after forging in the step 3; The forging deformation amount is 35%; Overhaul, be to forge 1 fire under 40 ℃ the condition below the ingot casting beta transformation point in temperature once more after the reconditioning, the forging deformation amount is 30%, and every fire time final forging temperature all is not less than 800 ℃; Obtaining diameter is 250mm, and length is the TC4 titanium alloy rod bar of 2500mm.
Embodiment 2
Present embodiment employing diameter is that the TC4 titan alloy casting ingot of Φ 700mm is that raw material processing diameter is the TC4 titanium alloy rod bar of Φ 200mm, and working method is specific as follows:
Step 1, to use the 2500T oil press be that 2 fire are forged in cogging under 1200 ℃ the condition in temperature as the TC4 titan alloy casting ingot of Φ 700mm with diameter; Control the inferior forging ratio of every fire and be 1.5; Final forging temperature all is not less than 900 ℃, obtains 380mm * 380mm * 760mm forging stock; Before said every fire time forges with gas furnace with ingot casting zone heating to 1200 ℃ and be incubated 370min;
Step 2, with the 2500T oil press with 380mm * 380mm described in the step 1 * 760mm forging stock temperature be more than the ingot casting beta transformation point under 30 ℃ the condition repeatedly jumping-up forge 3 fire with pulling; The inferior forging ratio of each fire is followed successively by 1.8,1.7 and 1.5, and final forging temperature all is not less than 820 ℃; Before forging, said every fire time forging stock is heated to more than the ingot casting beta transformation point 30 ℃ and be incubated 210min with electric furnace;
Step 3, with the 2500T oil press with the 380mm * 380mm * 760mm forging stock after forging in the step 2 temperature be adopt under 25 ℃ the condition below the ingot casting beta transformation point switching-over pier pull out mode repeatedly jumping-up forge 4 fire with pulling; Each fire time forging ratio is followed successively by 3,3,3 and 1.6, and every fire time final forging temperature all is not less than 820 ℃; Before said every fire time forges forging stock is heated to below the ingot casting beta transformation point 25 ℃ and be incubated 210min, below the forging stock water-cooled to 300 after will forging after every fire forges ℃; It is different that said switching-over pier pulls out the direction that is meant each jumping-up and pulling;
Step 4, be round as a ball forging 1 fire of chamfered edge under 40 ℃ the condition below the ingot casting beta transformation point in temperature with the forging stock after forging in the step 3; The forging deformation amount is 35%; Overhaul, be to forge 1 fire under 50 ℃ the condition below the ingot casting beta transformation point in temperature once more after the reconditioning, the forging deformation amount is 30%, and every fire time final forging temperature all is not less than 800 ℃; Obtaining diameter is 200mm, and length is the TC4 titanium alloy rod bar of 3000mm.
Embodiment 3
Present embodiment employing diameter is that the TC4 titan alloy casting ingot of Φ 800mm is that raw material processing diameter is the TC4 titanium alloy rod bar of Φ 400mm, and working method is specific as follows:
Step 1, to use the 3150T oil press be that 3 fire are forged in cogging under 1180 ℃ the condition in temperature with the TC4 titan alloy casting ingot of Φ 800mm; The inferior forging ratio of each fire is followed successively by 2.6,2.4 and 1.5; Final forging temperature all is not less than 900 ℃, obtains 580mm * 580mm * 1200mm forging stock; Before forging, said every fire time ingot casting is heated to 1180 ℃ and be incubated 430min with gas furnace;
Step 2, with the 3150T oil press with 580mm * 580mm described in the step 1 * 1200mm forging stock temperature be more than the ingot casting beta transformation point under 50 ℃ the condition repeatedly jumping-up forge 3 fire with pulling; The inferior forging ratio of each fire is followed successively by 1.8,1.7 and 1.5, and final forging temperature all is not less than 820 ℃; Before forging, said every fire time forging stock is heated to more than the ingot casting beta transformation point 50 ℃ and be incubated 320min with electric furnace;
Step 3, with the 3150T oil press with the 580mm * 580mm * 1200mm forging stock after forging in the step 2 temperature be adopt under 20 ℃ the condition below the ingot casting beta transformation point switching-over pier pull out mode repeatedly jumping-up forge 5 fire with pulling; Each fire time forging ratio is followed successively by 1.8,1.6,1.8,1.6 and 1.5, and every fire time final forging temperature all is not less than 820 ℃; Before said every fire time forges forging stock is heated to below the ingot casting beta transformation point 20 ℃ and be incubated 320min, below the forging stock water-cooled to 300 after will forging after every fire forges ℃; It is different that said switching-over pier pulls out the direction that is meant each jumping-up and pulling;
Step 4, be round as a ball forging 1 fire of chamfered edge under 30 ℃ the condition below the ingot casting beta transformation point in temperature with the forging stock after forging in the step 3; The forging deformation amount is 35%; Overhaul, be to forge 1 fire under 30 ℃ the condition below the ingot casting beta transformation point in temperature once more after the reconditioning, the forging deformation amount is 25%, and every fire time final forging temperature all is not less than 800 ℃; Obtaining diameter is 400mm, and length is the TC4 titanium alloy rod bar of 3000mm.
The present invention carries out conventional thermal treatment and machining to the TC4 titanium alloy rod bar of embodiment 1 to embodiment 3 processing, then the bar after the machining is carried out Performance Detection, and the result sees the following form:
The performance test results of the bar of table 1 embodiment 1 to embodiment 3 processing
Can find out that from table 1 adopting the TC4 titanium alloy large size bar room temperature tensile intensity of the inventive method processing is 920MPa～960MPa, ys is 830MPa～870MPa, and unit elongation is not less than 12%, and relative reduction in area is not less than 36%.
The present invention observes the macrostructure of the TC4 titanium alloy rod bar of embodiment 1 to embodiment 3 processing, and the horizontal macrostructure of bar is even, does not see abnormal structures such as coarse-grain, is organized as fuzzy uniformly brilliant; And the mirco structure of many places different positionss such as central position, bar transverse section, 1/4R position, 1/2R position, 3/4R position and limit location analyzed contrast, the result shows that to adopt the bar homogeneity of structure of method processing of the present invention better.
With 5,000,000 probes, full sound path carries out UT to the TC4 titanium alloy rod bar of embodiment 1 to embodiment 3 processing in the present invention, and all through Φ 2.0mm flat-bottom hole, the clutter level be-9db～-6db, the clutter echo signal of detecting a flaw is less, the rank of detecting a flaw height.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every according to inventing technical spirit to any simple modification, change and equivalent structure variation that above embodiment did, all still belong in the protection domain of technical scheme of the present invention.
Claims (7)
1. the working method of a TC4 titanium alloy large size bar is characterized in that, this method may further comprise the steps:
Step 1, the TC4 titan alloy casting ingot that diameter is not less than 700mm are that 2～3 fire are forged in cogging under 1150 ℃～1200 ℃ the condition in temperature; Control every fire time forging ratio and be not less than 1.5; Total forging ratio is not less than 3, and every fire time final forging temperature all is not less than 900 ℃, obtains forging stock;
Step 2, be that 2～3 fire are forged in jumping-up and pulling repeatedly under 20 ℃～50 ℃ the condition more than the TC4 titan alloy casting ingot beta transformation point in temperature with forging stock described in the step 1; Controlling every fire time forging ratio is 1.5～1.8; Total forging ratio is not less than 3, and every fire time final forging temperature all is not less than 820 ℃;
Step 3, be that 3～5 fire are forged in jumping-up and pulling repeatedly under 20 ℃～30 ℃ the condition below the ingot casting beta transformation point in temperature with the forging stock after forging in the step 2; Control every fire time forging ratio and be not less than 1.5; The total forging ratio of two-phase region is not less than 6, and every fire time final forging temperature all is not less than 820 ℃;
Step 4, be round as a ball forging 2 fire of chamfered edge under 30 ℃～50 ℃ the condition below the ingot casting beta transformation point in temperature with the forging stock after forging in the step 3; Every fire time final forging temperature all is not less than 800 ℃; Obtaining diameter is 200mm～400mm, and length is not less than the TC4 titanium alloy rod bar of 2500mm.
2. the working method of a kind of TC4 titanium alloy large size bar according to claim 1; It is characterized in that; Before every fire described in the step 1 time forges titan alloy casting ingot is heated to the min of 1150 ℃～1200 ℃ and insulation (D/2+20) min～(D/2+40), wherein D is the diameter of TC4 titan alloy casting ingot.
3. the working method of a kind of TC4 titanium alloy large size bar according to claim 1; It is characterized in that; Before every fire described in the step 2 time forges forging stock is heated to more than the TC4 titan alloy casting ingot beta transformation point min of 20 ℃～50 ℃ and insulation (L/2+20) min～(L/2+40), wherein L is the length of side of the xsect of forging stock.
4. the working method of a kind of TC4 titanium alloy large size bar according to claim 1; It is characterized in that; Adopt the switching-over pier to pull out mode in jumping-up and the pulling forging process repeatedly described in the step 3, it is different that the pier that wherein commutates pulls out the direction that is meant each jumping-up and pulling.
5. the working method of a kind of TC4 titanium alloy large size bar according to claim 1; It is characterized in that; Before every fire described in the step 3 time forges with forging stock be heated to below the TC4 titan alloy casting ingot beta transformation point 20 ℃～30 ℃ and insulation (L '/2+20) min～(L '/2+40) min, wherein L ' is the length of side of the xsect of forging stock.
6. the working method of a kind of TC4 titanium alloy large size bar according to claim 1 is characterized in that, below the forging stock water-cooled to 300 after will forging after every fire described in the step 3 time forges ℃.
7. the working method of a kind of TC4 titanium alloy large size bar according to claim 1 is characterized in that, the round as a ball forged every fire of chamfered edge described in the step 4 time deflection is 25%～35%.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157172A (en) * | 2007-10-19 | 2008-04-09 | 宝鸡市英耐特医用钛有限公司 | Method of preparing medical high-precision titanium and titanium alloy rod bar |
| CN101476096A (en) * | 2008-11-21 | 2009-07-08 | 宝鸡钛业股份有限公司 | Method for processing Ti-6Al-4V titanium alloy large size bar material |
| CN102230145A (en) * | 2011-06-20 | 2011-11-02 | 西部钛业有限责任公司 | Method for producing TC25 two-phase titanium alloy rod material with large specification |
-
2011
- 2011-12-12 CN CN2011104117523A patent/CN102418060A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157172A (en) * | 2007-10-19 | 2008-04-09 | 宝鸡市英耐特医用钛有限公司 | Method of preparing medical high-precision titanium and titanium alloy rod bar |
| CN101476096A (en) * | 2008-11-21 | 2009-07-08 | 宝鸡钛业股份有限公司 | Method for processing Ti-6Al-4V titanium alloy large size bar material |
| CN102230145A (en) * | 2011-06-20 | 2011-11-02 | 西部钛业有限责任公司 | Method for producing TC25 two-phase titanium alloy rod material with large specification |
Non-Patent Citations (1)
| Title |
|---|
| 阎彩文等: "TC4钛合金异形锻件锻造工艺探索", 《钛工业进展》 * |
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