Three-layer titanium/aluminum/magnesium composite board and manufacturing method thereof

A composite plate and manufacturing method technology, applied in metal rolling and other directions, can solve the problems that it cannot be used as a space protective layer material, etc., and achieve the effects of improved anti-high-speed impact damage performance, high production efficiency, and simple process

Inactive Publication Date: 2014-09-03
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The development, production and application of metal laminated composite panels have attracted widespread attention. The metal composite panels currently developed and produced include: steel/aluminum, titanium/steel, copper/aluminum, aluminum

Method used

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  • Three-layer titanium/aluminum/magnesium composite board and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Take 1 piece of TC4 titanium alloy hot-rolled plate, 6061 aluminum alloy hot-rolled plate and AZ31B magnesium alloy hot-rolled plate with a length of 100mm, a width of 75mm, and a thickness of 0.15mm, 1.2mm, and 1.5mm respectively, and perform mechanical grinding to remove Oxide film and grease on the surface, and make the surface of the plate have a certain roughness. The alloy plates are stacked together in the order of titanium, aluminum, and magnesium to form a three-layer metal laminate. Holes are punched on both sides of one end of the plate, riveted together with pure aluminum rivets, and the end is ground into a wedge shape. Put the above-mentioned titanium / aluminum / magnesium laminate into a resistance furnace and heat it to 400°C. After holding the heat for 8 minutes, it is immediately sent to a rolling mill for hot rolling and compounding. The rolling speed is 0.5m / s and the deformation is 40%. Aluminum / magnesium three-layer composite sheet. Such as figure 1...

Embodiment 2

[0017] Take one piece of hot-rolled plate of TC4 titanium alloy, 6061 aluminum alloy and AZ31B magnesium alloy with a length of 100mm, a width of 75mm, and a thickness of 0.5mm, 2mm, and 1mm respectively, and perform mechanical grinding to remove the surface oxide film and grease. The sequence of aluminum / magnesium is stacked together to form a three-layer metal laminate. Holes are punched on both sides of one end of the board, riveted together with pure aluminum rivets, and the end is polished into a wedge shape. Put the above-mentioned titanium / aluminum / magnesium laminate into a resistance furnace at 450°C for 8 minutes, and then immediately send it to a rolling mill for hot rolling and compounding. The rolling speed is 0.5m / s, and the deformation is 50%. The titanium / aluminum / magnesium Three-layer composite board. The tensile strength, yield strength and elongation of the titanium / aluminum / magnesium composite plate are 425MPa, 365MPa and 9.5% respectively; the interface bon...

Embodiment 3

[0019] Take TC4 titanium alloy, 6061 aluminum alloy and AZ31B magnesium alloy hot-rolled plates with a length of 100mm, a width of 75mm, and a thickness of 0.2mm, 2.5mm, and 2mm respectively, and perform mechanical grinding to remove the surface oxide film and grease, and press titanium / aluminum / Magnesium are stacked together to form a three-layer metal laminate. Holes are punched on both sides of one end of the board, riveted together with pure aluminum rivets, and the end is polished into a wedge shape. Put the above-mentioned titanium / aluminum / magnesium laminate into a 350°C resistance furnace for 8 minutes, and then immediately send it to a rolling mill for hot rolling and compounding. The rolling speed is 0.8m / s and the deformation is 30%. The titanium / aluminum / magnesium Three-layer composite board. The tensile strength, yield strength and elongation of the titanium / aluminum / magnesium composite plate are 293MPa, 236MPa and 11.2% respectively; the interface bonding stren...

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Abstract

The invention discloses a three-layer titanium/aluminum/magnesium composite board. The three-layer composite board is formed by rolling a titanium alloy hot rolled steel plate, an aluminum alloy hot rolled steel plate and a magnesium alloy hot rolled steel plate together in a stacked mode. The manufacturing method of the composite board mainly comprises the steps that the TC4 titanium alloy plate, the 6061 aluminum alloy plate and the AZ31B magnesium alloy plate are selected and used, and the TC4 titanium alloy plate, the 6061 aluminum alloy plate and the AZ31B magnesium alloy plate are polished mechanically; the titanium alloy plate, the aluminum alloy plate and the magnesium alloy plate are placed in a stacked mode in sequence, and the titanium alloy plate, the aluminum alloy plate and the magnesium alloy plate are placed in a resistance furnace to be preheated for 6 min-10 min at the temperature ranging from 300 DEGC to 450 DEG C after one end of the titanium alloy plate, one end of the aluminum alloy plate and one end of the magnesium alloy plate are riveted; then the titanium alloy plate, the aluminum alloy plate and the magnesium alloy plate are conveyed onto a rolling mill immediately to be rolled, wherein the rolling speed ranges from 0.3m/s to 1.2m/s, and the hot milling deformation ranges from 25% to 50%. According to the three-layer titanium/aluminum/magnesium composite board and the manufacturing method of the three-layer titanium/aluminum/magnesium composite board, the technology is simple, cost is low, the production efficiency is high, and large-scale industrial production can be achieved easily; the interfaces of the manufactured three-layer titanium/aluminum/magnesium composite board are bonded tightly, and obvious micro-cavities and brittle intermetallic compounds are avoided; compared with an aluminum alloy plate with the same weight, the high-speed impact damage resistance of the composite board is improved by 50%.

Description

technical field [0001] The invention relates to the technical field of processing metal composite plates. Background technique [0002] With the continuous development of space technology, there are a large number of small debris in space, and the spacecraft cannot avoid it. The only effective measure is protection. The space environment effect and the level of protection largely determine the design level and service life of the spacecraft. The commonly used protective device for space debris in the world is to use the Whipple structure, which mainly includes a buffer layer, a back plate and related supporting structures. There is a certain distance between the buffer layer and the back plate. May fragment, melt and atomize, forming a cloud of debris. At present, the buffer layer material used in the world is mainly aluminum alloy, and its ability to resist the impact of debris needs to be improved urgently. If the aluminum alloy buffer layer in the Whipple structure is re...

Claims

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Application Information

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IPC IPC(8): B21B1/38
Inventor 刘文昌王强马旻刘日平王国军王德满
Owner YANSHAN UNIV
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