A titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure and its forming process

Abstract

The present invention provides a titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure and a forming process thereof, which belongs to the technical field of non-ferrous metal preparation. The present invention combines the respective advantages of aluminum alloy and titanium alloy, and adopts titanium alloy as the outer layer material and aluminum alloy as the inner layer material. First, an annular corrugated reinforced inner rib structure is prepared inside the aluminum alloy cylinder section by a corrugated rolling method. Secondly, the prepared aluminum alloy cylinder section with an annular corrugated reinforced inner rib structure is assembled inside the titanium alloy cylinder section by extrusion. Finally, the assembled titanium-aluminum layered composite cylinder section is placed in a vacuum heat treatment furnace for heat treatment to obtain a titanium-aluminum layered composite cylinder section with annular inner ribs with excellent performance.

Description

Technical Field

[0001] The invention belongs to the technical field of nonferrous metal preparation, and specifically discloses a titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure and a forming process thereof. Background Art

[0002] With the development of marine resources, the direction of deep water and long range is being developed, which puts higher requirements on the pressure bearing performance and corrosion resistance of underwater vehicles. At present, the shell of underwater vehicles is mostly made of aluminum alloy and assembled with multiple sets of annular inner ribs by welding to improve the shell's pressure bearing capacity. In the process of welding and adding annular inner ribs, the production efficiency is low, the quality stability is poor, and it is easy to produce large residual stress and deformation, which reduces the overall performance of underwater vehicles.

[0003] Compared with aluminum alloy, titanium alloy has better corrosion resistance and strength, which can effectively improve the pressure bearing capacity and corrosion resistance of underwater vehicles. However, titanium alloy has high cost and high density, which increases the energy consumption of underwater vehicles. Summary of the invention

[0004] Based on the multiple advantages of titanium alloy's high strength and excellent corrosion resistance and aluminum alloy's light weight and high strength, the present invention combines titanium alloy and aluminum alloy to prepare a titanium-aluminum layered composite cylinder section, with the titanium alloy as the outer layer and the aluminum alloy as the inner layer. This can effectively reduce the weight of the underwater vehicle hull, improve corrosion resistance, and increase pressure bearing capacity. An annular corrugated reinforced inner rib structure is prepared on the inner aluminum alloy side by a corrugated rolling method, and a titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure with good interface bonding is obtained by vacuum heat treatment.

[0005] To achieve the above-mentioned object, the present invention provides a forming process of a titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure, comprising corrugated rolling to prepare an aluminum alloy cylinder section with an annular corrugated reinforced inner rib structure, extrusion forming of the titanium-aluminum layered composite cylinder section, and vacuum heat treatment of the titanium-aluminum layered composite cylinder section:

[0006] Among them, the corrugation rolling is used to prepare the aluminum alloy cylinder section with an annular corrugated reinforced inner rib structure by a corrugation roller mill, the driving roller of the corrugation roller mill is a flat roller, the core roller is a corrugated roller, and a guide roller is arranged between the core roller and the driving roller. The pre-cleaned aluminum alloy cylinder section is placed between the driving roller, the core roller and the guide roller, and a brush is arranged on the outer surface of the aluminum alloy cylinder section. The brush is connected to the positive electrode, and the corrugated core roller is connected to the negative electrode to form a closed loop with the aluminum alloy cylinder section, and rolling is performed according to the preset rolling temperature and rolling parameters;

[0007] The titanium-aluminum layered composite cylinder section is extruded by a press machine, the pre-treated titanium alloy cylinder section is placed on the die base of the press machine, the aluminum alloy cylinder section with an annular corrugated reinforced inner rib structure is placed inside the titanium alloy cylinder section, the height of the aluminum alloy cylinder section is higher than the height of the titanium alloy cylinder section, a peripheral support sleeve is placed on the top of the titanium alloy cylinder section, the height of the peripheral support sleeve is higher than the height of the aluminum alloy cylinder section, and the extrusion sleeve applies pressure to the aluminum alloy cylinder section to press the aluminum alloy cylinder section into the interior of the titanium alloy cylinder section;

[0008] The vacuum heat treatment of the titanium-aluminum layered composite cylinder section adopts a vacuum heat treatment furnace, and the titanium-aluminum layered composite cylinder section is placed in the vacuum heat treatment furnace for heat treatment.

[0009] The specific steps include:

[0010] S1, Aluminum alloy cylinder section with annular corrugated reinforced inner rib structure prepared by corrugation rolling

[0011] S2, machined aluminum alloy cylinder section, titanium alloy cylinder section

[0012] The outer cylindrical surface of the aluminum alloy cylinder section is machined to a preset surface roughness value;

[0013] The inner surface of the titanium alloy cylinder is machined to a preset surface roughness value;

[0014] The machining tolerance is to satisfy the interference fit between the titanium alloy cylinder section and the aluminum alloy cylinder section;

[0015] S3, Pretreatment of Titanium Alloy Cylinder Section and Aluminum Alloy Cylinder Section

[0016] Remove impurities from the outer surface of the aluminum alloy cylinder section and the inner surface of the titanium alloy cylinder section and set aside;

[0017] S4, titanium-aluminum layered composite cylinder segment extrusion forming

[0018] S5, vacuum heat treatment of titanium-aluminum layered composite cylinder section;

[0019] Step S6: machining

[0020] The heat-treated titanium-aluminum layered composite cylinder section is end-face machined to a predetermined size by turning.

[0021] Specifically, in step S1, the rolling temperature is maintained at 480±5°C, the temperature is monitored by an infrared thermometer, the rolling speed is 0.1 m / s, the single-pass rolling feed is 2 mm, and the rolling pass is determined according to the amplitude of the sinusoidal waveform of the corrugated mandrel.

[0022] Specifically, in step S2, the surface roughness values ​​of the outer circumferential surface of the aluminum alloy cylinder section and the inner circumferential surface of the titanium alloy cylinder section are less than or equal to 6.3 μm.

[0023] Specifically, in step S3, a 10 wt.% NaOH solution is used to clean the outer surface of the aluminum alloy cylinder section to remove impurities on the outer surface, and the cylinder section is dried for later use; a 5 vol.% HF solution is used to clean the inner surface of the titanium alloy cylinder section to remove impurities on the surface, and the cylinder section is dried for later use.

[0024] Specifically, in step S4, the pressing speed of the press is 0.2 m / s.

[0025] Specifically, in step S5, the heating rate of the heat treatment is 10°C / min, the maximum temperature is 550°C, the holding time is 120min, and the furnace is cooled.

[0026] In step S4, the press is a vertical hydraulic forming machine; the hydraulic forming machine includes a base, a top seat, a movable workbench, a hydraulic oil tank and a control cabinet; the base and the top seat are connected by a support rod, the movable workbench is slidably sleeved on the support rod, the lower part of the movable workbench is an upper pressing block; the lower part of the upper pressing block is installed with an extrusion sleeve; the lower part of the base is provided with a left bracket and a right bracket, and the upper part is placed with a mold base; a hydraulic cylinder is arranged on the upper part of the top seat, the hydraulic cylinder is connected to the movable workbench through a pressure shaft, the hydraulic cylinder is connected to the hydraulic oil tank through an oil pipe, and the hydraulic cylinder is controlled by the control cabinet.

[0027] The present invention also provides a titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure, which is manufactured by the above-mentioned forming process.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] Compared with the background technology, the present invention is significantly more advanced. It is aimed at the problem that the pressure bearing and corrosion resistance of the aluminum alloy shell components used in underwater vehicles are insufficient as they develop towards greater water depths and longer ranges. It combines the multiple advantages of high strength and corrosion resistance of titanium alloys and high strength and light weight of aluminum alloys. The corrugated reinforcing inner ribs are rolled on the inner aluminum alloy side by a corrugated rolling method. Through subsequent extrusion, vacuum heat treatment and other processes, a layered composite material cylinder section with excellent titanium-aluminum interface bonding performance is obtained. This preparation method is advanced in technology and is a very ideal method for preparing high-performance single alloy or layered composite cylindrical parts with multiple groups of corrugated reinforcing inner ribs. Without affecting the pressure bearing capacity and corrosion resistance of the underwater vehicle pressure hull, reducing the weight of the hull can save energy consumption, extend the service life of the underwater vehicle power source, and increase the range of the vehicle. Preparing annular reinforcing inner ribs inside the pressure hull components of underwater vehicles can reduce the overall thickness of the vehicle hull components and improve the strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 , schematic diagram of the forming process of the aluminum alloy cylinder section with an annular corrugated reinforced inner rib structure;

[0031] Figure 2 , schematic diagram of the structure of the core roller;

[0032] Figure 3 , a cross-sectional view of an aluminum alloy cylinder section with an annular corrugated reinforced inner rib structure;

[0033] Figure 4 , schematic diagram of the extrusion forming process of titanium-aluminum layered composite cylinder segment;

[0034] Figure 5 , a cross-sectional view of a titanium-aluminum layered composite cylinder section;

[0035] Figure 6 , vacuum heat treatment process of titanium-aluminum layered composite cylinder sections.

[0036] The following is a list of reference numerals shown in the figures:

[0037] 101. Aluminum alloy cylinder section, 102. Aluminum alloy cylinder section with annular corrugated reinforced inner rib structure, 103. Titanium alloy cylinder section;

[0038] 1. Core roller, 2. Guide roller, 3. Driving roller, 4. Brush, 5. Power supply, 6. Switch, 7. Wire, 8. Infrared thermometer;

[0039] 9. Mold base, 10. Outer support sleeve, 11. Support rod, 12. Top seat, 13. Hydraulic cylinder, 14. Extrusion sleeve, 15. Pressure shaft, 16. Mobile workbench, 17. Upper pressure block, 18. Base, 19. Left bracket, 20. Right bracket, 20. First pressure gauge, 21. Second pressure gauge, 22. Oil inlet pipe, 23. Oil return pipe, 24. Control cabinet, 25. Indicator light, 26. Display screen, 27. Power controller, 28. Hydraulic controller, 29. Hydraulic oil tank. DETAILED DESCRIPTION

[0040] Example 1

[0041] The chemical materials used in this embodiment are: titanium alloy tube, aluminum alloy tube, hydrofluoric acid, sodium hydroxide, deionized water, sandpaper, and the combined preparation amounts are as follows: in pieces, grams, millimeters, milliliters as the measurement units

[0042] Titanium alloy cylinder: TC4 1 piece φ100mm×10mm×200mm

[0043] Aluminum alloy cylinder: 5A06 1 piece φ80mm×10mm×250mm

[0044] Hydrofluoric acid solution: HF 5vol.% 1000mL

[0045] Sodium hydroxide solution: NaOH 10wt.% 1000mL

[0046] Sandpaper: 400 mesh, 2 sheets, 300mm×0.5mm×200mm.

[0047] The preparation method is as follows.

[0048] (1) Corrugated rolling to prepare aluminum alloy cylinder sections with annular corrugated reinforced internal rib structure

[0049] ① Clean the inside of the aluminum alloy cylinder section 101 to remove the oil, dirt and rust on the surface;

[0050] ② The corrugation roller mill is turned on. The driving roller 3 is a flat roller, the core roller 1 is a corrugated roller, the waveform on the core roller 1 is designed according to a sine curve, and a guide roller 2 is arranged between the core roller 1 and the driving roller 3; the core roller 1 is first processed by forging, then mechanically processed and turned to form corrugations, and finally heat treated;

[0051] ③ Place the pre-cleaned aluminum alloy barrel section 101 between the driving roller 3, the core roller 1 and the guide roller 2 (the core roller 1 is on the inner side of the aluminum alloy barrel section 101, and the driving roller 3 and the guide roller 2 are on the outer side of the aluminum alloy barrel section 101), and set a brush 4 on the outer surface of the aluminum alloy barrel section 101, the brush 4 is connected to the positive electrode of the power supply 5, and the core roller 1 is connected to the negative electrode of the power supply 5, forming a closed loop with the aluminum alloy barrel section 101, and use an infrared thermometer 8 to measure the temperature, and control the temperature to be maintained at 480±5℃;

[0052] ④ Adjust the distance between the core roller 1 and the driving roller 3, set the rolling parameters, the rolling speed is 0.1m / s, the single-pass rolling feed is 2mm, the rolling pass is determined according to the amplitude of the sinusoidal waveform of the corrugated core shaft, the guide roller 2 rotates under the action of friction, and a certain guide force is applied to the aluminum alloy cylinder section 101 to control the roundness and rolling stability of the aluminum alloy cylinder section 101;

[0053] ⑤ The aluminum alloy cylinder section 101 is rolled for multiple passes to complete the rolling of the aluminum alloy cylinder section 102 with an annular corrugated reinforced inner rib structure.

[0054] (2) Machining of aluminum alloy cylinders and titanium alloy cylinders

[0055] The outer cylindrical surface of the aluminum alloy cylinder section 102 with an annular corrugated reinforced inner rib structure is machined, and the surface roughness value is less than or equal to 6.3μm; the inner cylindrical surface of the titanium alloy cylinder section 103 is machined, and the surface roughness value is less than or equal to 6.3μm, and the machining tolerance is such that there is an interference fit between the titanium alloy cylinder section 103 and the aluminum alloy cylinder section 102.

[0056] (3) Pretreatment of titanium alloy cylinder section and aluminum alloy cylinder section

[0057] The outer surface of the aluminum alloy cylinder section 102 with an annular corrugated reinforced inner rib structure is cleaned with a 10wt.% NaOH solution to remove impurities on the outer surface, and then dried for later use; the inner surface of the titanium alloy cylinder section 103 is cleaned with a 5vol.% HF solution to remove impurities on the surface, and then dried for later use.

[0058] (4) Titanium-aluminum layered composite cylinder segment extrusion forming

[0059] The press is a vertical hydraulic forming machine; the hydraulic forming machine includes a base 18, a top seat 12, a mobile workbench 16, a hydraulic oil tank 29 and a control cabinet 24; the base 18 and the top seat 12 are connected by a support rod 11, the mobile workbench 16 is slidably sleeved on the support rod 11, and the lower part of the mobile workbench 16 is an upper pressing block 17; the lower part of the upper pressing block 17 is installed with an extrusion sleeve 14; the lower part of the base 18 is provided with a left bracket 19 and a right bracket 20; the upper part of the top seat 12 is provided with a hydraulic cylinder 13, the hydraulic cylinder 13 is connected to the mobile workbench 16 through a pressure shaft 15, the hydraulic oil tank 29 is connected to the hydraulic cylinder 13 through an oil inlet pipe 22 and an oil return pipe 23, and the hydraulic cylinder 13 is controlled by a control cabinet 24. The control cabinet 24 is provided with a first hydraulic gauge 20, a second hydraulic gauge 21, a display screen 26, an indicator light 25, a power controller 27, and a hydraulic controller 28.

[0060] ① Place the mold base 9 on the base 18, and place the pre-treated titanium alloy cylinder section 103 on the mold base 9 to ensure levelness;

[0061] ② Place the aluminum alloy cylinder section 102 with an annular corrugated reinforced inner rib structure inside the titanium alloy cylinder section 103, guide and position it through the chamfer at the end of the aluminum alloy cylinder section 102, ensure the coaxiality of the aluminum alloy cylinder section 102 and the titanium alloy cylinder section 103, the height of the aluminum alloy cylinder section 102 is higher than the height of the titanium alloy cylinder section 103, place the peripheral support sleeve 10 at the top of the titanium alloy cylinder section 103, and the height of the peripheral support sleeve 10 is higher than the height of the aluminum alloy cylinder section 102;

[0062] ③ Turn on the vertical hydraulic forming machine, and use the extrusion sleeve 14 to apply pressure to the aluminum alloy cylinder section 102 to press the aluminum alloy cylinder section 102 into the interior of the titanium alloy cylinder section 103. The pressing speed is 0.2 m / s. After the pressing is completed, lift the upper pressing block 17, close the press, and complete the extrusion of the titanium-aluminum layered composite cylinder section.

[0063] (5) Vacuum heat treatment of titanium-aluminum layered composite cylinder sections

[0064] The titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure is placed in a vacuum heat treatment furnace for heat treatment at a heating rate of 10°C / min, a maximum temperature of 550°C, a holding time of 120min, and is cooled along with the furnace.

[0065] (6) Machining

[0066] The heat-treated titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure is end-face machined to a predetermined size by turning.

[0067] (7) Storage

[0068] The prepared titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure is packed with soft materials and stored in a clean and dry environment. It must be protected from moisture, sunlight, acid, alkali and salt corrosion. The storage temperature is 20°C and the relative humidity is ≤10%.

[0069] This embodiment is aimed at improving the pressure resistance and corrosion resistance of aluminum alloy cylindrical parts, preparing titanium / aluminum composite cylinder sections, and at the same time performing multiple rolling passes on the inner aluminum alloy side of the titanium / aluminum composite cylindrical parts to reinforce the inner ribs, so as to improve the external pressure resistance of the composite cylindrical parts. After subsequent vacuum heat treatment, the bonding strength of the titanium / aluminum composite interface is improved, and the internal residual stress of the composite cylinder section is eliminated. This preparation method is advanced in technology and is a very ideal method for preparing high-performance single alloy or layered composite cylindrical parts with corrugated reinforced inner ribs.

[0070] Example 2

[0071] This embodiment provides a titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure, which is manufactured by the forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure described in Example 1.

[0072] The outer layer of the titanium-aluminum layered composite cylinder segment is made of titanium alloy, and the inner layer is made of aluminum alloy. Corrugated reinforced inner ribs are rolled into shape inside the aluminum alloy cylinder segment 101 by corrugation rolling. The aluminum alloy cylinder segment 102 with an annular corrugated reinforced inner rib structure is extruded and pressed into the interior of the titanium alloy cylinder segment 103 by pressurization. An interference fit is achieved between the two according to technical requirements. Vacuum heat treatment is used to achieve metallurgical bonding between the titanium and aluminum interface layers to reduce residual stress generated during the preparation process. The prepared titanium-aluminum layered composite cylinder segment with an annular corrugated reinforced inner rib structure has multiple advantages such as light weight, high strength, and corrosion resistance.

[0073] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A forming process for a titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure, characterized in that: It includes corrugated rolling to prepare aluminum alloy cylinder sections with annular corrugated reinforced inner rib structure, extrusion forming of titanium-aluminum layered composite cylinder sections and vacuum heat treatment of titanium-aluminum layered composite cylinder sections: Among them, the corrugation rolling is used to prepare the aluminum alloy cylinder section with an annular corrugated reinforced inner rib structure by a corrugation roller mill, the driving roller of the corrugation roller mill is a flat roller, the core roller is a corrugated roller, and a guide roller is arranged between the core roller and the driving roller. The pre-cleaned aluminum alloy cylinder section is placed between the driving roller, the core roller and the guide roller, and a brush is arranged on the outer surface of the aluminum alloy cylinder section. The brush is connected to the positive electrode, and the corrugated core roller is connected to the negative electrode to form a closed loop with the aluminum alloy cylinder section, and rolling is performed according to the preset rolling temperature and rolling parameters; The titanium-aluminum layered composite cylinder section is extruded by a press machine, the pre-treated titanium alloy cylinder section is placed on the die base of the press machine, the aluminum alloy cylinder section with an annular corrugated reinforced inner rib structure is placed inside the titanium alloy cylinder section, the height of the aluminum alloy cylinder section is higher than the height of the titanium alloy cylinder section, a peripheral support sleeve is placed on the top of the titanium alloy cylinder section, the height of the peripheral support sleeve is higher than the height of the aluminum alloy cylinder section, and the extrusion sleeve applies pressure to the aluminum alloy cylinder section to press the aluminum alloy cylinder section into the interior of the titanium alloy cylinder section; The vacuum heat treatment of the titanium-aluminum layered composite cylinder section adopts a vacuum heat treatment furnace, and the titanium-aluminum layered composite cylinder section is placed in the vacuum heat treatment furnace for heat treatment.

2. The forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure according to claim 1 is characterized in that: The steps include: S1, Aluminum alloy cylinder section with annular corrugated reinforced inner rib structure prepared by corrugation rolling S2, machined aluminum alloy cylinder section, titanium alloy cylinder section The outer cylindrical surface of the aluminum alloy cylinder section is machined to a preset surface roughness value; The inner surface of the titanium alloy cylinder is machined to a preset surface roughness value; The machining tolerance is to satisfy the interference fit between the titanium alloy cylinder section and the aluminum alloy cylinder section; S3, Pretreatment of Titanium Alloy Cylinder Section and Aluminum Alloy Cylinder Section Remove impurities from the outer surface of the aluminum alloy cylinder section and the inner surface of the titanium alloy cylinder section and set aside; S4, titanium-aluminum layered composite cylinder segment extrusion forming S5, vacuum heat treatment of titanium-aluminum layered composite cylinder sections.

3. The forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure according to claim 2 is characterized in that: In step S1, The rolling temperature was maintained at 480±5°C, the temperature was monitored by an infrared thermometer, the rolling speed was 0.1 m / s, the single-pass rolling feed was 2 mm, and the rolling pass was determined according to the amplitude of the sinusoidal waveform of the corrugated mandrel.

4. The forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure according to claim 2 is characterized in that: In step S2, The surface roughness values ​​of the outer cylindrical surface of the aluminum alloy cylinder section and the inner cylindrical surface of the titanium alloy cylinder section are less than or equal to 6.3 μm.

5. The forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure according to claim 2 is characterized in that: In step S3, The outer surface of the aluminum alloy cylinder section was cleaned with a 10 wt. % NaOH solution to remove impurities on the outer surface, and then dried for later use; the inner surface of the titanium alloy cylinder section was cleaned with a 5 vol. % HF solution to remove impurities on the surface, and then dried for later use.

6. The forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure according to claim 2 is characterized in that: In step S4, The pressing speed of the press is 0.2m / s.

7. The forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure according to claim 2 is characterized in that: In step S5, The heating rate of heat treatment is 10℃ / min, the maximum temperature is 550℃, the holding time is 120min, and it is cooled with the furnace.

8. The forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure according to claim 2 is characterized in that: Also includes step S6, mechanical processing The heat-treated titanium-aluminum layered composite cylinder section is end-face machined to a predetermined size by turning.

9. The forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure according to claim 2 is characterized in that: In step S4, the press machine is a vertical hydraulic forming machine; The hydraulic forming machine includes a base, a top base, a mobile workbench, a hydraulic oil tank and a control cabinet; The base and the top seat are connected by a support rod, the movable workbench is slidably sleeved on the support rod, and the lower part of the movable workbench is an upper pressing block; An extrusion sleeve is installed at the lower part of the upper pressing block; The lower part of the base is provided with a left bracket and a right bracket, and the upper part is provided with a mold base; A hydraulic cylinder is arranged on the upper part of the top seat, the hydraulic cylinder is connected with the movable workbench through a pressure shaft, the hydraulic cylinder is connected with the hydraulic oil tank through an oil pipe, and the hydraulic cylinder is controlled by a control cabinet.

10. A titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure, characterized in that: It is made by the forming process of the titanium-aluminum layered composite cylinder section with an annular corrugated reinforced inner rib structure as described in any one of claims 1 to 9.

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