Aluminum alloy heat pipe with grooves on the inside
An aluminum alloy and heat-conducting pipe technology, which is applied in the direction of tubular elements, heat exchange equipment, heat exchanger fixing, etc. Effect
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Embodiment 1
[0094] Next, the present invention will be described in further detail based on examples.
[0095] The alloys shown in Table 1 were cast by continuous casting, and an extruded tube with an outer diameter of φ47 mm and a wall thickness of 3.5 mm was obtained by indirect extrusion. The extruded tube was stretched with a block-drawing type continuous stretching machine to obtain a stretched tube with an outer diameter of φ10 mm and a wall thickness of 0.45 mm.
[0096] 【Table 1】
[0097]
[0098] After annealing and softening treatment at 360°C for 2 hours on the stretched tube manufactured as described above, a plug (the plug is a floating plug, a rod, a plug with a groove) is inserted. ) as a whole), through the floating die (Floating dice), the processing head (Processing head), and the forming die (Forming dice) to process the grooves on the inner surface, the following heat conduction tubes with grooves on the inner surface are produced: Outer diameter: φ7mm, bottom thi...
Embodiment 2
[0115]Through continuous casting, the alloys for skin materials shown in Table 3 are cast, and the core material alloys shown in Table 1 and the combinations in Table 4 are extruded by indirect extrusion with an outer diameter of φ47mm and a wall thickness of 3.5mm. Extruded tube with 10% coverage. The extruded tube was stretched with a block-drawing type continuous stretching machine to obtain a stretched tube with an outer diameter of φ10 mm and a wall thickness of 0.45 mm. Zn diffusion heat treatment is further performed.
[0116] 【table 3】
[0117]
[0118] 【Table 4】
[0119]
[0120] After annealing and softening treatment at 360°C for 2 hours on the stretched tube prepared according to the above-mentioned steps, insert a plug (the plug is a floating plug, a rod, a plug with a groove) (plug) as a whole), through the floating die (Floating dice), the processing head (Processing head), the forming die (Formingdice) to process the grooves on the inner surface, and m...
Embodiment 3
[0140] Through continuous casting, the S10 alloy in Table 1 was cast, and an extruded tube with an outer diameter of φ47 mm and a wall thickness of 3.5 mm was obtained by indirect extrusion. The extruded tube was stretched with a block-drawing type continuous stretching machine to obtain a stretched tube with an outer diameter of φ10 mm and a wall thickness of 0.45 mm.
[0141] After annealing and softening treatment at 360°C for 2 hours on the stretched tube manufactured as described above, a plug (the plug is a floating plug, a rod, a plug with a groove) is inserted. ) as a whole), through the floating die (Floating dice), the processing head (Processing head), and the forming die (Forming dice) to process the grooves on the inner surface, the following heat conduction tubes with grooves on the inner surface are produced: Outer diameter: φ7mm, bottom thickness: 0.35mm, ridge fin height H: 0.22mm, number of ridge fins: 50, apex angle α: 15°, lead angle β: 35°. And finally, a...
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Abstract
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