Forming method of high-strength and thin-wall longer high temperature alloy pipe
A technology of superalloy and forming method, which is applied in the field of forming high-strength and long-length thin-walled superalloy tubes, can solve the problems of fracture, wrinkle, cracks of high-strength and long-length thin-walled superalloy tubes, etc., so as to reduce hardness and increase Flexible and low-cost effects
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[0023] Example one
[0024] A method for forming a high-strength long-length thin-walled high-temperature alloy tube includes the following steps:
[0025] (1) Softening: Choose GH738 ultra-high-strength high-temperature alloy pipe with diameter of ф6.3mm, wall thickness of 0.2mm, and length of 1800mm. Put the pipe into a vacuum furnace, adjust the temperature to 830℃, and soften the pipe for 150 minutes , In order to bend during forming;
[0026] (2) Blocking: Seal one end of the pipe tightly with a hard cone-shaped cork, and control the length of the cork to 15mm to ensure a tight sealing. The remaining length is 40mm, which is convenient for pulling out the cork after forming. Out
[0027] (3) Filling: Inject the emery with a fineness of 60 mesh into the pipe from the unblocked end of the pipe through a funnel. During the filling of emery, shake or shake the pipe continuously so that the emery can better fill the entire pipeline space. Stop filling when 15mm away from the pipe or...
Example Embodiment
[0031] Example two
[0032] A method for forming a high-strength long-length thin-walled high-temperature alloy tube includes the following steps:
[0033] (1) Softening: Choose GH738 ultra-high-strength high-temperature alloy pipe with diameter of ф8.6mm, wall thickness of 0.1mm, and length of 1750mm. Put the pipe into the quenching furnace, adjust the temperature to 850℃, and soften the pipe for 120min , In order to bend during forming;
[0034] (2) Blocking: Seal one end of the pipe tightly with a hard cone-shaped cork, and control the length of the cork to enter the pipe to 20mm to ensure a tight sealing. The remaining length is 40mm to facilitate the removal of the cork after forming. Out
[0035] (3) Filling: Inject emery with a fineness of 80 mesh into the pipe from the unblocked end of the pipe through a funnel. During the process of filling the emery, shake or shake the pipe continuously to make the emery fill the entire pipeline space. Stop filling when it is 20mm away fro...
Example Embodiment
[0039] Example three
[0040] A method for forming a high-strength long-length thin-walled high-temperature alloy tube includes the following steps:
[0041] (1) Softening: Choose GH4648 ultra-high-strength high-temperature alloy pipe with diameter of ф16mm, wall thickness of 0.5mm, and length of 1600mm. Put the pipe into a quenching furnace, adjust the temperature to 840℃, and soften the pipe for 130 minutes to Bending during forming;
[0042] (2) Blocking: Seal one end of the pipe tightly with a hard cone-shaped cork, and control the length of the cork to enter the pipe to 18mm to ensure tight sealing. The external length is 30mm to facilitate the removal of the cork after forming. Out
[0043] (3) Filling: Inject emery with a fineness of 80 mesh into the pipe from the unblocked end of the pipe through a funnel. During the process of filling the emery, shake or shake the pipe continuously to make the emery fill the entire pipeline space. Stop filling when 18mm away from the pipe o...
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