CN108754370B - A kind of heat treatment method of TC4-DT titanium alloy - Google Patents
A kind of heat treatment method of TC4-DT titanium alloy Download PDFInfo
- Publication number
- CN108754370B CN108754370B CN201810478645.4A CN201810478645A CN108754370B CN 108754370 B CN108754370 B CN 108754370B CN 201810478645 A CN201810478645 A CN 201810478645A CN 108754370 B CN108754370 B CN 108754370B
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- cooled
- room temperature
- temperature
- bar
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Abstract
The heat treatment method of TC4-DT titanium alloy disclosed by the invention is specifically implemented in accordance with the following steps: step 1, warm-up phase: the forging state bar of TC4-DT titanium alloy being preheated at 900 DEG C~960 DEG C, is then cooled to room temperature；Step 2, the first annealing stage: the bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 984 DEG C~1009 DEG C, after keeping the temperature 1h~2h, is cooled to room temperature；Step 3, the second annealing stage: the bar of the cooling obtained TC4-DT titanium alloy of step 2 is successively subjected at least 1 time heating, keeps the temperature and be cooled to room temperature processing；The present invention can effectively improve the institutional framework and mechanical property of TC4-DT titanium alloy, the present invention provides guidance for the heat treatment of TC4-DT material, can be adjusted to obtain the tissue and performance of different needs according to the present invention to the materials microstructure performance in a certain range.
Description
Technical field
The invention belongs to titanium alloy technical field of heat treatment, and in particular to a kind of heat treatment method of TC4-DT titanium alloy.
Background technique
TC4-DT titanium alloy is a kind of damage tolerance Type Titanium Alloy with independent intellectual property rights of China's research and development, the alloy
Also possess lower crack growth rate i.e. da/dN and higher fracture toughness i.e. KIC while with certain strength level,
Important structural material applications be can be used as in Aeronautics and Astronautics field.The a large amount of material forging was produced in recent years, by being processed
Forging is relatively large and transformation temperature or more is taken to carry out final heat treatment, and it is more difficult to reach ideal microstructure and property matching, takes
Reasonable heat treatment process just can guarantee tissue and performance.
Summary of the invention
The object of the present invention is to provide a kind of heat treatment methods of TC4-DT titanium alloy, can effectively improve the conjunction of TC4-DT titanium
The institutional framework and mechanical property of gold.
The technical scheme adopted by the invention is that a kind of heat treatment method of TC4-DT titanium alloy, specifically according to following step
It is rapid to implement:
Step 1, warm-up phase:
The forging state bar of TC4-DT titanium alloy is preheated at 900 DEG C~960 DEG C, is then cooled to room temperature；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 984 DEG C~1009 DEG C, keeps the temperature 1h~2h
Afterwards, it is cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is successively subjected at least 1 time heating, keeps the temperature and is cooled to
Room temperature processing.
The features of the present invention also characterized in that
The size of the forging state bar of TC4-DT titanium alloy is Φ 400 × 70.
In step 1, the preheating time is 30min~60min.
In step 1 and step 2, the type of cooling is air-cooled.
In step 3, the bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C~760 DEG C, heat preservation is protected
After warm 30min~50min, it is air-cooled to room temperature.
In step 3, the bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C~730 DEG C for the first time,
1h~2h is kept the temperature, room temperature is air-cooled to, then proceedes to second of heating, is heated to 700 DEG C~760 DEG C, it is air-cooled after keeping the temperature 2h~4h
To room temperature.
In step 3, the bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C~730 DEG C for the first time,
1h~2h is kept the temperature, room temperature is air-cooled to, then proceedes to second of heating, is heated to 900 DEG C~950 DEG C, it is air-cooled after keeping the temperature 1h~2h
To room temperature, finally continues third time and heat, be heated to 700 DEG C~760 DEG C, after keeping the temperature 2h~4h, be air-cooled to room temperature.
In the forging state bar of TC4-DT titanium alloy, C content is not more than 0.05%, and H content is not more than 0.0125%, O content
0.08%~0.13%, N content is no more than 0.03%, Al content 5.6%~6.5%, V content 3.4%~4.5%, Fe content
It is not more than 0.005% no more than 0.01%, Y content no more than 0.25%, Si content.
The beneficial effects of the present invention are:
The heat treatment method of a kind of TC4-DT titanium alloy of the invention, by being moved back to preheating, one and two heating temperatures moved back
And the adjustment of the parameters such as soaking time, the TC4-DT titanium alloy rod bar uniform texture after ensure that heat treatment, and effectively mention
The mechanical properties such as the high tensile strength of titanium alloy rod bar, yield strength, fracture toughness, provide for the actual production of titanium alloy
It supports well.
Detailed description of the invention
Fig. 1 be in the heat treatment method of TC4-DT titanium alloy of the invention one move back temperature be 984 DEG C processing after macrostructure
Figure；
Fig. 2 be in the heat treatment method of TC4-DT titanium alloy of the invention one move back temperature be 989 DEG C processing after macrostructure
Figure；
Fig. 3 be in the heat treatment method of TC4-DT titanium alloy of the invention one move back temperature be 995 DEG C processing after macrostructure
Figure；
Fig. 4 be in the heat treatment method of TC4-DT titanium alloy of the invention one move back temperature be 999 DEG C processing after macrostructure
Figure；
Fig. 5 be in the heat treatment method of TC4-DT titanium alloy of the invention one move back temperature be 1004 DEG C processing after macrostructure
Figure；
Fig. 6 be in the heat treatment method of TC4-DT titanium alloy of the invention one move back temperature be 1009 DEG C processing after macrostructure
Figure.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of heat treatment method of TC4-DT titanium alloy of the present invention, the ruler of the forging state bar of the TC4-DT titanium alloy of this method
Very little is Φ 400 × 70, and in the forging state bar of TC4-DT titanium alloy, C content is not more than 0.05%, and H content is not more than 0.0125%,
O content 0.08%~0.13%, N content is no more than 0.03%, Al content 5.6%~6.5%, V content 3.4%~4.5%, Fe
Content is not more than 0.005% no more than 0.01%, Y content no more than 0.25%, Si content, and it is whole that the method for being quenched measures nascent ɑ
Solution temperature is 984 DEG C, is specifically implemented in accordance with the following steps:
Step 1, warm-up phase:
The forging state bar of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 900 DEG C~960 DEG C,
30min~60min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 984 DEG C~1009 DEG C, keeps the temperature 1h~2h
Afterwards, it is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is successively subjected at least 1 time heating, keeps the temperature and is cooled to
Room temperature processing.
Second annealing stage of step 3 can be carried out according to following three kinds of modes:
The first: the bar of the cooling obtained TC4-DT titanium alloy of step 2 being heated, 700 DEG C~760 DEG C is heated to, protects
After warm 30min~50min, it is air-cooled to room temperature.
Second, the bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C~730 DEG C for the first time, is protected
Warm 1h~2h, is air-cooled to room temperature, then proceedes to second of heating, is heated to 700 DEG C~760 DEG C, after keeping the temperature 2h~4h, is air-cooled to
Room temperature.
The third, is heated to 700 DEG C~730 DEG C for the bar of the cooling obtained TC4-DT titanium alloy of step 2 for the first time, protects
Warm 1h~2h, is air-cooled to room temperature, then proceedes to second of heating, is heated to 900 DEG C~950 DEG C, after keeping the temperature 1h~2h, it is air-cooled extremely
Room temperature finally continues third time and heats, is heated to 700 DEG C~760 DEG C, after keeping the temperature 2h~4h, is air-cooled to room temperature.
Embodiment 1
Step 1, warm-up phase:
The forging state bar (sample 1) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 984 DEG C, after keeping the temperature 2h, is air-cooled to room temperature.
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 730 DEG C, after keeping the temperature 30min, is air-cooled to room
Temperature.1 one end face of sample processing post-etching after heat treatment checks macrostructure, and macrostructure is as shown in Figure 1.
Embodiment 2
Step 1, warm-up phase:
The forging state bar (sample 2) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 960 DEG C,
40min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 989 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 730 DEG C, after keeping the temperature 40min, is air-cooled to room
Temperature.2 one end face of sample processing post-etching after heat treatment checks macrostructure, and macrostructure is as shown in Figure 1.
Embodiment 3
Step 1, warm-up phase:
The forging state bar (sample 3) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 930 DEG C,
50min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 730 DEG C, after keeping the temperature 50min, is air-cooled to room
Temperature.3 one end face of sample processing post-etching after heat treatment checks macrostructure, and macrostructure is as shown in Figure 1.
Embodiment 4
Step 1, warm-up phase:
The forging state bar (sample 4) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 920 DEG C,
60min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 999 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 730 DEG C, after keeping the temperature 30min, is air-cooled to room
Temperature.4 one end face of sample processing post-etching after heat treatment checks macrostructure, and macrostructure is as shown in Figure 1.
Embodiment 5
Step 1, warm-up phase:
The forging state bar (sample 5) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 1004 DEG C, after keeping the temperature 2h, is air-cooled to room
Temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 730 DEG C, after keeping the temperature 30min, is air-cooled to room
Temperature.5 one end face of sample processing post-etching after heat treatment checks macrostructure, and macrostructure is as shown in Figure 1.
Embodiment 6
Step 1, warm-up phase:
The forging state bar (sample 6) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 1009 DEG C, after keeping the temperature 2h, is air-cooled to room
Temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 730 DEG C, after keeping the temperature 30min, is air-cooled to room
Temperature.
According to mass percent include following each element in the forging state bar of TC4-DT titanium alloy in Examples 1 to 6:
C0.01%, H0.0020%, O0.12%, N 0.008%, Al6.21%, V4.00%, Fe0.041%, Si < 0.10%, Y <
0.005%.
Sample 1 after heat treatment~6 one end faces processing post-etching checks macrostructure, macrostructure such as FIG. 1 to FIG. 6
Shown, macrostructure is uniform clear tissue.
After the heat treatment of Examples 1 to 6, the tensile property result of sample 1~6 such as table 1.
1 sample of table, 1~6 tensile property result
After Examples 1 to 6 is heat-treated, the fracture toughness of sample 1~6 the results are shown in Table 2.
The fracture toughness result of 2 sample 1~6 of table
As can be seen from Table 1 and Table 2, the raising for moving back temperature with one, the bar of the TC4-DT titanium alloy after heat treatment
Fracture has the tendency that rising, and tensile strength and yield strength are on a declining curve, meanwhile, one move back temperature from transformation temperature to transformation temperature with
Upper 25 DEG C do not influence macrostructure significantly.
Embodiment 7
Step 1, warm-up phase:
The forging state bar (sample 7) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C, after keeping the temperature 2h, is air-cooled to room temperature.
Embodiment 8
Step 1, warm-up phase:
The forging state bar (sample 8) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C, after keeping the temperature 2h, is air-cooled to room temperature.
Embodiment 9
Step 1, warm-up phase:
The forging state bar (sample 9) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 760 DEG C, after keeping the temperature 2h, is air-cooled to room temperature.
Embodiment 10
Step 1, warm-up phase:
The forging state bar (sample 10) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 730 DEG C for the first time, 2h is kept the temperature, is air-cooled to room
Temperature then proceedes to second of heating, is heated to 700 DEG C, after keeping the temperature 2h, is air-cooled to room temperature.
Embodiment 11
Step 1, warm-up phase:
The forging state bar (sample 11) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 730 DEG C for the first time, 2h is kept the temperature, is air-cooled to room
Temperature then proceedes to second of heating, is heated to 730 DEG C, after keeping the temperature 2h, is air-cooled to room temperature.
Embodiment 12
Step 1, warm-up phase:
The forging state bar (sample 12) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 730 DEG C for the first time, 2h is kept the temperature, is air-cooled to room
Temperature then proceedes to second of heating, is heated to 760 DEG C, after keeping the temperature 2h, is air-cooled to room temperature.
Embodiment 13
Step 1, warm-up phase:
The forging state bar (sample 13) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C for the first time, 2h is kept the temperature, is air-cooled to room
Temperature then proceedes to second of heating, is heated to 950 DEG C, air-cooled to room temperature after keeping the temperature 1h, finally continues third time and heats, heats
To 700 DEG C, after keeping the temperature 2h, it is air-cooled to room temperature.
Embodiment 14
Step 1, warm-up phase:
The forging state bar (sample 14) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C for the first time, 2h is kept the temperature, is air-cooled to room
Temperature then proceedes to second of heating, is heated to 950 DEG C, air-cooled to room temperature after keeping the temperature 1h, finally continues third time and heats, heats
To 730 DEG C, after keeping the temperature 2h, it is air-cooled to room temperature.
Embodiment 15
Step 1, warm-up phase:
The forging state bar (sample 15) of TC4-DT titanium alloy is placed in chamber type electric resistance furnace, is preheated at 954 DEG C,
30min is preheated, room temperature is then air-cooled to；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 995 DEG C, after keeping the temperature 2h, is air-cooled to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C for the first time, 2h is kept the temperature, is air-cooled to room
Temperature then proceedes to second of heating, is heated to 950 DEG C, air-cooled to room temperature after keeping the temperature 1h, finally continues third time and heats, heats
To 760 DEG C, after keeping the temperature 2h, it is air-cooled to room temperature.
After the heat treatment of embodiment 7~15, the tensile property result of sample 7~15 such as table 3.
The tensile property result of 3 sample 7~15 of table
As can be seen from Table 3, it in the second annealing stage, is passed through when by the bar of the cooling obtained TC4-DT titanium alloy of step 2
When heating twice, heat preservation and cooling treatment, especially sample 10 is after heat treatment, and tensile strength reaches 900 or more, surrender
Intensity is 800 or more, and elongation percentage reaches 10 or more, and for the contraction percentage of area 20 or more, mechanical property is preferable.
Claims (6)
1. a kind of heat treatment method of TC4-DT titanium alloy, which is characterized in that specifically implement in accordance with the following steps:
Step 1, warm-up phase:
The forging state bar of TC4-DT titanium alloy is preheated at 900 DEG C~960 DEG C, is then cooled to room temperature；
Step 2, the first annealing stage:
The bar of obtained TC4-DT titanium alloy cooling in step 1 is heated to 984 DEG C~1009 DEG C, it is cold after keeping the temperature 1h~2h
But to room temperature；
Step 3, the second annealing stage:
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is successively subjected at least 1 time heating, keeps the temperature and is cooled to room temperature
The bar of the cooling obtained TC4-DT titanium alloy of step 2 is heated to 700 DEG C~730 DEG C for the first time, keeps the temperature 1h~2h by processing,
It is air-cooled to room temperature, then proceedes to second of heating, is heated to 900 DEG C~950 DEG C, it is air-cooled to room temperature after keeping the temperature 1h~2h, finally
Continue third time to heat, be heated to 700 DEG C~760 DEG C, after keeping the temperature 2h~4h, is air-cooled to room temperature.
2. a kind of heat treatment method of TC4-DT titanium alloy as described in claim 1, which is characterized in that the TC4-DT titanium closes
The size of the forging state bar of gold is Φ 400 × 70.
3. a kind of heat treatment method of TC4-DT titanium alloy as described in claim 1, which is characterized in that described pre- in step 1
The hot time is 30min~60min.
4. a kind of heat treatment method of TC4-DT titanium alloy as described in claim 1, which is characterized in that step 1 and step 2
In, the type of cooling is air-cooled.
5. a kind of heat treatment method of TC4-DT titanium alloy as described in claim 1, which is characterized in that in step 3, by step
The bar heating of 2 cooling obtained TC4-DT titanium alloys, is heated to 700 DEG C~760 DEG C, air-cooled after keeping the temperature 30min~50min
To room temperature.
6. a kind of heat treatment method of TC4-DT titanium alloy as described in claim 1, which is characterized in that the TC4-DT titanium closes
In the forging state bar of gold, C content is not more than 0.05%, and H content is not more than 0.0125%, and O content 0.08%~0.13%, N contains
Amount is not more than 0.03%, and Al content 5.6%~6.5%, V content 3.4%~4.5%, Fe content is no more than 0.25%, Si content
It is not more than 0.005% no more than 0.01%, Y content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478645.4A CN108754370B (en) | 2018-05-18 | 2018-05-18 | A kind of heat treatment method of TC4-DT titanium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478645.4A CN108754370B (en) | 2018-05-18 | 2018-05-18 | A kind of heat treatment method of TC4-DT titanium alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108754370A CN108754370A (en) | 2018-11-06 |
| CN108754370B true CN108754370B (en) | 2019-10-11 |
Family
ID=64007298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810478645.4A Active CN108754370B (en) | 2018-05-18 | 2018-05-18 | A kind of heat treatment method of TC4-DT titanium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108754370B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760583B (en) * | 2020-12-23 | 2022-02-18 | 宁波江丰电子材料股份有限公司 | Heat treatment process of titanium material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480689A (en) * | 2008-12-25 | 2009-07-15 | 贵州安大航空锻造有限责任公司 | Near-isothermal forging method of two-phase titanium alloy disk-type forgeable piece |
| CN104070125A (en) * | 2014-03-11 | 2014-10-01 | 宁夏东方钽业股份有限公司 | Forging machining method of large-sized bar materials of TC4 (Ti-6Al-4V) titanium alloy |
| CN104213060A (en) * | 2014-09-23 | 2014-12-17 | 西北有色金属研究院 | Heat treating method of TC4-DT titanium alloy bar |
| CN104313524A (en) * | 2014-09-23 | 2015-01-28 | 西北有色金属研究院 | TC4-DT titanium alloy rod processing method |
| CN106591754A (en) * | 2016-12-12 | 2017-04-26 | 陕西宏远航空锻造有限责任公司 | Forging method using flat-die hammer to improve structure property of TC21 titanium alloy |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10094013B2 (en) * | 2014-12-23 | 2018-10-09 | Spirit Aerosystems, Inc. | Method to prevent abnormal grain growth for beta annealed TI-6AL-4V forgings |
-
2018
- 2018-05-18 CN CN201810478645.4A patent/CN108754370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480689A (en) * | 2008-12-25 | 2009-07-15 | 贵州安大航空锻造有限责任公司 | Near-isothermal forging method of two-phase titanium alloy disk-type forgeable piece |
| CN104070125A (en) * | 2014-03-11 | 2014-10-01 | 宁夏东方钽业股份有限公司 | Forging machining method of large-sized bar materials of TC4 (Ti-6Al-4V) titanium alloy |
| CN104213060A (en) * | 2014-09-23 | 2014-12-17 | 西北有色金属研究院 | Heat treating method of TC4-DT titanium alloy bar |
| CN104313524A (en) * | 2014-09-23 | 2015-01-28 | 西北有色金属研究院 | TC4-DT titanium alloy rod processing method |
| CN106591754A (en) * | 2016-12-12 | 2017-04-26 | 陕西宏远航空锻造有限责任公司 | Forging method using flat-die hammer to improve structure property of TC21 titanium alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108754370A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102851627B (en) | Novel titanium alloy partitioned beta heat treatment process | |
| CN105483586B (en) | A kind of forging method of raising TC18 titanium alloy structure properties | |
| CN106521121B (en) | A kind of heat treatment method of high-temperature alloy steel | |
| CN106854733B (en) | A kind of manufacturing process of 14Cr17Ni2 stainless steels heavy forging | |
| CN106947928A (en) | A kind of strenthen-toughening mechanizm technique of Ti12LC titanium alloys | |
| CN111438317A (en) | Preparation method for forging and forming high-strength high-toughness β -type titanium alloy forging | |
| CN102159742A (en) | Solution heat treatment and overage heat treatment for titanium components | |
| CN103333997A (en) | Annealing heat treatment method of H13 die steel | |
| CN105951015A (en) | Preparation method of Ti6Al7Nb titanium alloy fine-grain wire material | |
| CN106148762A (en) | A kind of preparation method of low temperature TA7 DT titanium alloy rod bar | |
| CN108754370B (en) | A kind of heat treatment method of TC4-DT titanium alloy | |
| CN106929785B (en) | A kind of diphasic titanium alloy microstructure thinning method | |
| CN112210737A (en) | Two-stage phase-change heat treatment method for improving hardness of Ti-6Al-4V titanium alloy | |
| CN107442721A (en) | A kind of warm and hot forging technique of mould | |
| CN109182680A (en) | A kind of control method of the cold-heading annealing hardness of martensitic stain less steel Bar Wire Product | |
| CN106893813B (en) | It is degenerated based on deformation twin and realizes the superplastic method of TWIP steel | |
| CN108385045A (en) | The heat treatment method of δ phases is uniformly precipitated in a kind of control IN718 alloys | |
| CN107326313A (en) | A kind of heat treatment method of adjustment α β diphasic titanium alloy tissues | |
| CN104818432A (en) | Alloy material for turboset rotor and preparation method thereof | |
| CN116460235A (en) | High-temperature-deep-cooling composite forging method for preparing titanium alloy forging with isomerous structure | |
| CN103555895A (en) | Method for refining surface grains of 2Cr10NiMoVNb stainless steel forgings through quenching three times | |
| CN106048485A (en) | Method for reducing thermal processing temperature of Ti2AlNb-based alloy plate | |
| CN110273116A (en) | A kind of process improving 2618 aluminum alloy solution effects | |
| CN110373524A (en) | A kind of 90 feather weight steel for welding wire heat treatment softening process | |
| CN109719131A (en) | The thermoforming process of 2000 line aluminium alloy plates |
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 |