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Multidirectional forging forming method for titanium alloy complex die forging

A multi-directional forging and die forging technology, applied in the field of forging, can solve the problems of force size, difficult control of angle, influence of titanium alloy forging structure and properties, and difference in forging size, etc., to achieve balanced force and refinement of grains. , the effect of improving organizational performance

Pending Publication Date: 2022-04-05
GUIZHOU ANDA AVIATION FORGING
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Problems solved by technology

This method is not easy to control the force and angle of each adjustment, which will affect the microstructure and properties of titanium alloy forgings.
Moreover, for complex die forgings, the size of the forgings in each direction is different, which is not suitable for this method

Method used

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  • Multidirectional forging forming method for titanium alloy complex die forging

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specific Embodiment approach

[0014] Make a multi-directional forging device: the device includes: lower cutting board 1, upper cutting board 2, guide connecting rod 3, slider 4, upper wedge 5, central connecting rod 6, tower block 7, middle wedge 8, upper die fixing Backing plate 9, upper mold 10, lateral mold 11, lower wedge 12, lower mold fixed backing plate 14, lower mold 15; the inclination angle of the contact surface between the upper wedge 5 and the tower block 7 is α, and the initial contact The area of ​​the surface is S 1 ; The inclination angle of the contact surface between the upper wedge 5 and the middle wedge 8 is β, and the area of ​​the initial contact surface is S 2 ; The inclination angle of the contact surface between the middle wedge 8 and the lower wedge 12 is θ;

[0015] The inclination angle α of the contact surface between the upper wedge 5 and the tower block 7, the area S of the initial contact surface 1 , the inclination angle β of the contact surface between the upper wedge ...

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Abstract

The invention discloses a multidirectional forging forming method for a titanium alloy complex die forging, which is characterized in that the titanium alloy complex die forging is formed by adopting a multidirectional forging device, so that the forging is simultaneously deformed in the vertical direction and the horizontal direction, a metal material is ensured to fully flow towards multiple directions, and the interiors of crystal grains are mutually staggered and crushed; and recovery recrystallization can be fully carried out, so that the aims of refining crystal grains and improving the structure property are achieved. The method is suitable for multidirectional forging forming of the titanium alloy complex die forging.

Description

technical field [0001] The invention relates to a forging method, in particular to a multi-directional forging forming method of a titanium alloy complex die forging. Background technique [0002] Titanium alloy is a lightweight and difficult-to-deform structural material, which has high deformation resistance during forging, a narrow deformation temperature window, and is sensitive to strain rate. The formation of recrystallized grains in titanium alloys mainly comes from the grain boundaries and subgrain boundaries formed during the deformation process. Therefore, the formation of deformed grain boundaries is an important process. During the deformation process, the original adjacent grains with different orientations have different strains, resulting in stress concentration near the grain boundaries. The release of stress mainly depends on the formation of deformation grain boundaries. Slip and twinning processes will form deformation grain boundaries and cause The grai...

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Application Information

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IPC IPC(8): B21J5/02B21J13/02B21J13/06
Inventor 叶俊青狄鹏王宇锋
Owner GUIZHOU ANDA AVIATION FORGING
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