Method for manufacturing ultra-fine crystal magnesium/titanium layered polystyrene-plywood laminate

A composite sheet, ultra-fine grain technology, applied in the direction of rolling force/roll gap control, metal rolling, manufacturing tools, etc., can solve the problems of poor corrosion resistance, low yield strength, low tensile strength, etc. Good rot, improve performance, increase the effect of bonding strength

Inactive Publication Date: 2008-08-20
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing preparation process of magnesium / titanium composite material is complicated, the cost is high, the corrosion resistance of the material is poor, the tensile strength is small, the yield strength is small, the elongation is low and the preparation of magnesium / titanium layered In order to solve the problem of poor interfacial bonding in composite materials, a method for preparing ultrafine-grained magnesium / titanium layered composite plates is provided

Method used

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specific Embodiment approach 1

[0007] Specific embodiment one: the preparation method of the ultrafine-grained magnesium / titanium layered composite plate in this embodiment is implemented according to the following steps: one, the surface of the magnesium or magnesium alloy plate and titanium or titanium alloy plate is cleaned; two, the cleaned Magnesium or magnesium alloy plates and titanium or titanium alloy plates are stacked alternately in the form of 2+m; 3. Place the stacked composite plates in a resistance furnace, and heat them at 200-400°C for 5-60 minutes for annealing ; 4. Take out the annealed composite plate and place it on the rolling mill, and roll it with a pass reduction of 50% under the condition of 25-500 ° C; 5. Cut the rolled plate into two equal parts , edge trimming and deburring, and then repeat steps 1 to 4 for n passes of cumulative rolling; 6. Put the composite sheet obtained by cumulative rolling in a resistance furnace, and keep it warm for 5 to 120 minutes at 100 to 500°C. Anne...

specific Embodiment approach 2

[0008] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the titanium or titanium alloy plate used in step 1 is commercially pure titanium, α-type titanium alloy, β-type titanium alloy or α+β-type titanium alloy. Other steps and parameters are the same as those in Embodiment 1.

[0009] The magnesium or magnesium alloy plates used in Step 1 of this embodiment are all plastically deformable commercial pure magnesium and magnesium alloy plates; commercial pure titanium used includes TA0-TA3 types, α-type titanium alloys include TA4-TA8 types, and β-type titanium alloys Including TB2 type, α+β type titanium alloy includes TC1~TC4 type, and α+β type titanium alloy includes TC6~TC10 type.

specific Embodiment approach 3

[0010] Embodiment 3: The difference between this embodiment and Embodiment 1 is that in step 1, the surface of the magnesium or magnesium alloy plate and titanium or titanium alloy plate is cleaned, and the magnesium or magnesium alloy plate and titanium or titanium alloy plate are first scrubbed with acetone solution Surface of the plate, then put the magnesium or magnesium alloy plate into the NaOH solution to clean for 10-30min, then rinse it with deionized water, and dry it; put the titanium or titanium alloy plate into the HNO 3 Wash with HF mixed solution for 10 to 20 minutes, rinse with ion water, and dry; then use a wire brush to polish the surface of the dried magnesium or magnesium alloy plate and titanium or titanium alloy plate. Other steps and parameters are the same as those in Embodiment 1.

[0011] In the present embodiment, NaOH solution is any concentration; HNO 3 HNO in mixed solution with HF 3 And HF is any concentration ratio.

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Abstract

The invention relates to a production method of ultra-fine crystal magnesium/titanium laminated composite panel, which comprises the following steps: firstly, cleaning the surfaces of the metal materials; secondly, stacking the metal materials; thirdly, annealing the stacked sheets; fourthly, rolling the sheets after annealing; fifthly, cutting the rolled sheets into two identical parts, trimming and deburring; repeating the first step to the fourth step for lamination and ply rolling; sixthly, annealing the composite panel obtained from lamination and ply rolling to obtain the ultra-fine crystal magnesium/titanium laminated composite panel. The production method solves the problems of complicated technology, high cost, poor corrosion resistant performance of material and poor interface binding performance of the magnesium/titanium laminated composite panel existing in the prior art. The production method has the advantages of simple technology, low cost as well as good corrosion resistant performance and good interface binding performance of the composite panel.

Description

technical field [0001] The invention relates to a preparation method of a magnesium / titanium layered composite plate. Background technique [0002] Magnesium and magnesium alloys have the disadvantages of low elastic modulus, low strength, poor room temperature formability and poor corrosion resistance. Therefore, the use of hard metal phases as reinforcing phases of magnesium and magnesium alloys can improve their elastic modulus and strength at the same time. Maintain high plasticity; Among them, titanium and titanium alloys are one of the best reinforced metals for magnesium and magnesium alloys due to their low density, high specific stiffness, high specific strength, excellent corrosion resistance, heat resistance and plastic deformation ability . The current titanium-reinforced magnesium-based composites are mainly prepared by powder metallurgy, and the preparation process is more complicated and the cost is higher. Poor, the tensile strength is less than 300MPa, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/38B21B37/74B21B37/58B21B47/00C21D9/46C21D11/00C23G5/02C23G1/22C23G1/10
Inventor 郑明毅佟立波常海吴昆
Owner HARBIN INST OF TECH
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