CN103668027A - Quasi beta forging process for TC25 titanium alloy - Google Patents
Quasi beta forging process for TC25 titanium alloy Download PDFInfo
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- CN103668027A CN103668027A CN201310679705.6A CN201310679705A CN103668027A CN 103668027 A CN103668027 A CN 103668027A CN 201310679705 A CN201310679705 A CN 201310679705A CN 103668027 A CN103668027 A CN 103668027A
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- 238000005242 forging Methods 0.000 title claims abstract description 79
- 102100002253 RAC1 Human genes 0.000 title claims abstract description 22
- 101700023645 RAC1 Proteins 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 22
- 229910001069 Ti alloy Inorganic materials 0.000 title claims description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 16
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 3
- 230000001681 protective Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010275 isothermal forging Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Abstract
The invention provides a forging technology. Through the adoption of the technology, the purposes that a TC25 alloy forged piece can be produced on a high power screw press, and the mechanical property, the metallographic structure and the ultrasonic wave of the forged piece can satisfy the standard requirements of a certain type of engine made of the TC25 alloy can be achieved. The technology comprises the following processing steps: firstly blanking, then manufacturing blanks, heating the manufactured blanks before forging, putting the blanks heated before forging in a die for die forging, and finally performing heat treatment on the forged piece molded through forging so as to obtain the TC25 alloy. The technology is characterized in that the high power screw press is adopted to perform die forging on the blanks heated before forging.
Description
Technical field
The present invention relates to the forging manufacture field of aircraft engine wheel disc forging, be specially a kind of quasi-beta forging process of TC25 titanium alloy.
Background technology
TC25 alloy belongs to martensite type alpha+beta two-phase distortion thermal strength titanium alloy, and this alloy has good heat resistance and thermotolerance.Though this alloy has adopted the technique of isothermal forging to manufacture experimently production on oil press, this kind of explained hereafter cost is larger, and the production cycle is long, but domesticly not yet has a precedent of producing this alloy forged piece on high power screw press.
Summary of the invention
For the problems referred to above, the invention provides a kind of quasi-beta forging process of TC25 titanium alloy, can realize the production of TC25 alloy forged piece on high power screw press, guarantee that mechanical property, metallographic structure and the ultrasonic wave of forging all can full scale alignment request.
Its technical scheme is such, it comprises following procedure of processing, first blanking, then base, again the blank making is forged to front heating, blank after heating before described forging is put into mould and carry out die forging, finally the forging of forging molding is heat-treated, it is characterized in that: it adopts high power screw press to carry out die forging to the blank through forging after front heating.
Its further feature exists:
Described blank forge before heating comprise middle temperature heating and heat, the temperature that described middle temperature heats is T β-30 ℃～T β-10 ℃, heating coefficient 0.6～1.0min/mm that described middle temperature heats;
The temperature of described heat is T β-10 ℃～T β+20 ℃, and heating coefficient is 0.4 min/mm～0.6min/mm, and described T β is the phase point temperature of TC25 alloy;
In described die forging process, forging deflection is 40%～70%, forges hammer time 2～4 hammers, and transfer time≤60s, controls hammering time slot≤60s, air cooling or water-cooled after forging.
Compare with existing TC25 titanium alloy forging moulding process, beneficial effect of the present invention is: it adopts high power screw press to realize die-forging forming to TC25 titanium alloy forging, because high power screw press hammering speed is fast, thereby adopt high power screw press to carry out die forging can to make forging obtain comparatively excellent structural state and mechanical property, and meet the standard performance requirement of this alloy engine; And by controlling Heating temperature and the die forging deflection of the front blank of die forging, can further guarantee that forging obtains comparatively excellent structural state.
Accompanying drawing explanation
Fig. 1 is a kind of TC25 alloy wheel disc forging structural representation in embodiment.
Embodiment
A kind of TC25 alloy wheel disc forging shown in working diagram 1 of take is below example, specifically describes the implementation process of technique of the present invention:
Embodiment mono-:
Process a kind of TC25 alloy wheel disc forging, it comprises following processing step:
(1) blanking: bar seamed edge is polished into fillet;
(2) base: bar is heated and adopt flat-die forging mode to carry out jumping-up processing to bar, then at blank surface spraying Ti-1 protective material;
(3) blank heats before forging: blank enters middle temperature heating, and middle temperature Heating temperature is T β-30 ℃, middle temperature heating coefficient 0.8min/mm; Then blank enters heat, and heat temperature is T β+20 ℃, and heat coefficient is that heating coefficient is 0.5min/mm;
(4) die forging: forging mold is assemblied in to high power screw press, the blank after heating before forging is put into forging mold, by high power screw press, blank is carried out to die-forging forming; In die forging process, forging deflection is 70%, and transfer time, 40 ± 3s, forged hammer time 2 hammers, hammering gap 45 ± 3s, air cooling after forging;
(5) thermal treatment.
Embodiment bis-:
Process a kind of TC25 alloy wheel disc forging, it comprises following processing step:
(1) blanking: bar seamed edge is polished into fillet;
(2) base: bar is heated and adopt flat-die forging mode to carry out jumping-up processing to bar, then at blank surface spraying Ti-1 protective material;
(3) blank heats before forging: blank enters middle temperature heating, and middle temperature Heating temperature is T β-10 ℃, middle temperature heating coefficient 0.6min/mm; Then blank enters heat, and heat temperature is T β+5 ℃, and heat coefficient is that heating coefficient is 0.6min/mm;
(4) die forging: forging mold is assemblied in to high power screw press, the blank after heating before forging is put into forging mold, by high power screw press, blank is carried out to die-forging forming; In die forging process, forging deflection is 55%, forges hammer time 3 hammers, and transfer time, 60 ± 3s, controlled hammering gap 50 ± 3s, water-cooled after forging.
Embodiment tri-:
Process a kind of TC25 alloy wheel disc forging, it comprises following processing step:
(1) blanking: bar seamed edge is polished into fillet;
(2) base: bar is heated and adopt flat-die forging mode to carry out jumping-up processing to bar, then at blank surface spraying Ti-1 protective material;
(3) blank heats before forging: blank enters middle temperature heating, and middle temperature Heating temperature is T β-20 ℃, middle temperature heating coefficient 1.0min/mm; Then blank enters heat, and heat temperature is T β-10 ℃, and heat coefficient is that heating coefficient is 0.4 min/mm;
(4) die forging: forging mold is assemblied in to high power screw press, the blank after heating before forging is put into forging mold, by high power screw press, blank is carried out to die-forging forming; In die forging process, forging deflection is 40%, forges hammer time 4 hammers, and transfer time, 50 ± 3s, controlled hammering gap 60 ± 3s, air cooling or water-cooled after forging.
Claims (4)
1. the forging process of a TC25 titanium alloy, it comprises following procedure of processing, first blanking, then base, again the blank making is forged to front heating, blank after heating before described forging is put into mould and carry out die forging, finally the forging of forging molding is heat-treated, it is characterized in that: it adopts high power screw press to carry out die forging to the blank through forging after front heating.
2. the forging process of a kind of TC25 titanium alloy according to claim 1, it is characterized in that: described blank is forged front heating and comprised middle temperature heating and heat, the temperature of described middle temperature heating is T β-30 ℃～T β-10 ℃, heating coefficient 0.6～1.0min/mm that described middle temperature heats.
3. the forging process of a kind of TC25 titanium alloy according to claim 2, it is characterized in that: the temperature of described heat is T β-10 ℃～T β+20 ℃, heating coefficient is 0.4 min/mm～0.6min/mm, and described T β is the phase point temperature of TC25 alloy.
4. the forging process of a kind of TC25 titanium alloy according to claim 3, it is characterized in that: in described die forging process, forging deflection is 40%～70%, forge hammer time 2～4 hammers, transfer time≤60s, control hammering time slot≤60s, air cooling or water-cooled after forging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310679705.6A CN103668027A (en) | 2013-12-15 | 2013-12-15 | Quasi beta forging process for TC25 titanium alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310679705.6A CN103668027A (en) | 2013-12-15 | 2013-12-15 | Quasi beta forging process for TC25 titanium alloy |
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| CN103668027A true CN103668027A (en) | 2014-03-26 |
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| CN201310679705.6A Pending CN103668027A (en) | 2013-12-15 | 2013-12-15 | Quasi beta forging process for TC25 titanium alloy |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106607540A (en) * | 2015-10-27 | 2017-05-03 | 陕西宏远航空锻造有限责任公司 | Isothermal beta forging method for TC17 titanium alloy blade |
| CN106694770A (en) * | 2016-12-15 | 2017-05-24 | 陕西宏远航空锻造有限责任公司 | Forging method of TC21 titanium alloy |
| CN106862452A (en) * | 2015-12-14 | 2017-06-20 | 陕西宏远航空锻造有限责任公司 | A kind of isothermal β forging methods of TC17 titanium alloys blisk |
| CN107214207A (en) * | 2017-05-22 | 2017-09-29 | 西部超导材料科技股份有限公司 | A kind of processing method of high uniform beta titanium alloy bar |
| CN110076280A (en) * | 2019-05-29 | 2019-08-02 | 遵义航天新力精密铸锻有限公司 | A kind of aviation aircraft empennage processing technology |
| CN111235505A (en) * | 2020-03-19 | 2020-06-05 | 中国科学院金属研究所 | Preparation process of high-strength and high-toughness TC25G titanium alloy ring piece |
| CN111235506A (en) * | 2020-03-19 | 2020-06-05 | 中国科学院金属研究所 | Thermal processing technology of TC25G titanium alloy forging |
| CN111390081A (en) * | 2020-03-19 | 2020-07-10 | 中国科学院金属研究所 | Preparation process of TC25G titanium alloy forging with high creep resistance and high fracture toughness |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106607540A (en) * | 2015-10-27 | 2017-05-03 | 陕西宏远航空锻造有限责任公司 | Isothermal beta forging method for TC17 titanium alloy blade |
| CN106862452A (en) * | 2015-12-14 | 2017-06-20 | 陕西宏远航空锻造有限责任公司 | A kind of isothermal β forging methods of TC17 titanium alloys blisk |
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| CN107214207A (en) * | 2017-05-22 | 2017-09-29 | 西部超导材料科技股份有限公司 | A kind of processing method of high uniform beta titanium alloy bar |
| CN110076280A (en) * | 2019-05-29 | 2019-08-02 | 遵义航天新力精密铸锻有限公司 | A kind of aviation aircraft empennage processing technology |
| CN111235505A (en) * | 2020-03-19 | 2020-06-05 | 中国科学院金属研究所 | Preparation process of high-strength and high-toughness TC25G titanium alloy ring piece |
| CN111235506A (en) * | 2020-03-19 | 2020-06-05 | 中国科学院金属研究所 | Thermal processing technology of TC25G titanium alloy forging |
| CN111390081A (en) * | 2020-03-19 | 2020-07-10 | 中国科学院金属研究所 | Preparation process of TC25G titanium alloy forging with high creep resistance and high fracture toughness |
| CN111235506B (en) * | 2020-03-19 | 2022-02-15 | 中国科学院金属研究所 | Thermal processing technology of TC25G titanium alloy forging |
| CN111235505B (en) * | 2020-03-19 | 2022-02-18 | 中国科学院金属研究所 | Preparation process of high-strength and high-toughness TC25G titanium alloy ring piece |
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