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Solution and straightening method for titanium alloy boards

A technology for titanium alloys and plates, applied in the field of solid solution straightening of titanium alloy plates, can solve problems such as wave bending and edge wave bending of plates, and achieve the effect of less equipment investment, large margin and wide application range.

Active Publication Date: 2020-01-03
PANGANG GROUP JIANGYOU CHANGCHENG SPECIAL STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome defects such as plate wavy bends and side waves that are prone to occur in existing titanium alloy plates, the technical problem to be solved by the present invention is to provide a solid solution straightening method for titanium alloy plates that can improve the flatness of titanium alloy plates

Method used

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  • Solution and straightening method for titanium alloy boards
  • Solution and straightening method for titanium alloy boards

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Produce TC4 hot-rolled sheets with a thickness of 10.5-23.5*200-1200*500-2000mm.

[0036] ①The size of the lower substrate is 110*1300*3000mm, the size of the upper substrate is 200*1300*3000mm, the surface of the upper and lower substrates is milled, the roughness is 3.2um, and the unevenness is 2mm / M.

[0037] ②On the lower base plate, place 1 sheet of 22*1200*2000mm horizontally in the first layer from bottom to top, place 4 sheets of 23.5*600*500mm horizontally in the second layer of splicing, and horizontally place the third layer of splicing Place 4 plates of 10.5*600*500mmmm, the total thickness of the plates is 56mm, and the thickness of the lower substrate + the thickness of the plates is 166mm in total.

[0038] ③Place the lower substrate and the stacked plates horizontally in the heating furnace as a whole, and the upper substrate is also heated with the furnace. According to the rate of 1.5mm / min, the temperature is rapidly raised to 880°C for 5 hours for so...

Embodiment 2

[0048] Produce new titanium alloy hot-rolled plates with a thickness of 9.5-22.5*200-1200*500-2000mm.

[0049] ①The size of the lower substrate is 110*1300*3000mm, the size of the upper substrate is 200*1300*3000mm, the surface of the upper and lower substrates is milled, the roughness is 3.2um, and the unevenness is 2mm / M.

[0050] ②On the lower substrate, place 4 sheets of 22.5*600*500mm horizontally on the first layer of splicing from bottom to top, place 2 sheets of 10*1200*2000mm horizontally on the second layer in a stacked manner, and splice the third layer The method is to place 8 sheets of 9.5*600*500mmmm boards horizontally, the total thickness of the boards is 61.5mm, and the thickness of the lower substrate + the thickness of the boards is 161.5mm in total.

[0051] ③ Place the lower substrate and the stacked plates horizontally in the heating furnace as a whole, and the upper substrate is also heated with the furnace. According to the rate of 1.5mm / min, the process ...

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Abstract

The invention discloses a solution and straightening method for titanium alloy boards, and belongs to the technical field of preparation of titanium alloy. The method comprises the process steps of arranging a lower base plate to bear the titanium alloy boards, arranging an upper base plate to balance pressure of a pressing machine, then conducting edge trimming and overlapped assembly on the boards, then putting the boards into an annealing furnace for solution treatment and heat treatment, and finally, utilizing the pressing machine for straightening. The key point of the solution and straightening method lies in that the solution, ageing and annealing temperature and time of the titanium alloy boards and acting force of the pressing machine are controlled, in this way, vertically-downward pressure is applied to the titanium alloy boards in the cooling process, and then the boards are straightened online in the cooling process. The input for process equipment is small, solution and press-straightening of the boards can be achieved simply through a conventional heating furnace, the annealing furnace and the pressing machine, the overall cost is low, the flow is simple and convenient, the application range is wide, and industrialized application of the process can be achieved in most factories.

Description

technical field [0001] The invention relates to the technical field of titanium alloy preparation, in particular to a solid solution straightening method for titanium alloy plates. Background technique [0002] With the rapid development of anti-armor weapons, various types of artillery weapons with excellent armor-piercing capabilities have been continuously introduced, and higher and higher requirements have been put forward for the protection capabilities of armored vehicles, that is, the armor thickness and weight of tanks are constantly increasing. The weight of armored combat vehicles has increased by 15% to 20% in more than ten years, and the continuous increase in vehicle weight has seriously affected its maneuverability. High mobility, lightweight, high defense capability and high reliability are the inevitable direction for the development of armored vehicles in the future. In order to improve the maneuverability of combat troops, their armored vehicles need to be ...

Claims

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Application Information

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IPC IPC(8): B21D1/06B21D37/16C22F1/18
CPCB21D1/06B21D37/16C22F1/183
Inventor 代广霖秦回一黎江李露陈鑫王怀柳周勤志李昌高
Owner PANGANG GROUP JIANGYOU CHANGCHENG SPECIAL STEEL
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