Manufacturing method of magnesium-based composite wall panel profile

A composite material and a manufacturing method technology, applied in the field of manufacturing magnesium-based composite wall plate profiles, can solve the problems of high bending and torsion of the profiles, easy to get stuck, and achieve the elimination of casting stress, elimination of intragranular segregation, and uniform structure. Effect

Active Publication Date: 2016-08-03
HEILONGJIANG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention is to solve the problem that the extrusion process is easy to be stuffy and the profile has a high degree of curvature and torsion in the existing manufacturing of siding profiles, and provides a manufacturing method for magnesium-based composite siding profiles.

Method used

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  • Manufacturing method of magnesium-based composite wall panel profile

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specific Embodiment approach 1

[0018] Specific implementation mode one: the manufacturing method of the magnesium-based composite material wall plate profile of this implementation mode is implemented according to the following steps:

[0019] 1. According to the mass percentage of elements, Al: 0.2%, Mn: 1.3%-2.2%, Zn: 0.3%, Ce: 0.15%-0.35%, Fe: ≤0.05%, Si: ≤0.1%, Cu: ≤0.05 %, Ni: ≤0.007%, and the balance is Mg. Weigh aluminum ingots, magnesium-manganese master alloys, zinc ingots, magnesium-cerium master alloys, magnesium-iron master alloys, magnesium-silicon master alloys, copper ingots, magnesium-nickel master alloys and magnesium Ingots are used as raw materials, and the raw materials are added to a dry smelting furnace, and smelted at a temperature of 760°C to 780°C for 3.5h to 5h to obtain a magnesium alloy melt;

[0020] 2. Preheat the SiC particles, the preheating temperature is 490℃~510℃, the holding time is 1.5h~2.5h, add the preheated SiC particles into the magnesium alloy melt obtained in step ...

specific Embodiment approach 2

[0031] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that in step 1, raw materials are added into a dry smelting furnace and smelted at a temperature of 770° C. for 4 hours. Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0032] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that the particle size of the SiC particles described in Step 2 is 5 μm˜8 μm. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

A method for manufacturing a magnesium-based composite wall panel profile. The present invention relates to a method for manufacturing a magnesium-based composite material wall panel profile. It solves the problem of easy stuffiness in the extrusion process of the existing manufactured wall panel profile, and the curvature and twist of the profile higher degree of problems. Manufacturing method: 1. Melting raw materials in a smelting furnace; 2. Adding SiC particles; 3. Casting a magnesium-based composite flat cast rod; 4. Cutting the flat cast rod; ; 7. Extrude the annealed magnesium-based composite flat cast ingot; 8. Heat the magnesium-based composite wall plate profile to 150 ° C ~ 180 ° C, and then perform tension straightening; 9. Cut off the head and tail end. Through the manufacturing method of the present invention, the bending degree of the magnesium-based composite wallboard profile is less than 1.5mm per meter, the twisting degree of any part of the profile around the longitudinal axis per meter length is not more than 1.5°, and the extrusion process does not cause stuffiness.

Description

technical field [0001] The invention relates to a method for manufacturing a magnesium-based composite material wall board profile. Background technique [0002] Magnesium-based composites have the advantages of light weight, high specific strength, high specific stiffness and good wear resistance, and are increasingly used in aerospace, military and automotive industries. Particle-reinforced magnesium-based composites have the characteristics of low cost and simple preparation process, and have gradually become the focus of research in the field of magnesium-based composites. Existing siding profiles are made of magnesium alloy, which are obtained by extruding a circular extrusion cylinder. The degree of extrusion deformation is large, and the extrusion process is stuffy. The profile dimensions and straightness exceed the range required by the standard, and the curvature per meter is 2.5 mm to 3.5mm, the torsion around the longitudinal axis per meter of any part of the pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22F1/06
CPCC22C1/03C22C1/1036C22C23/00C22F1/06C22C1/1047
Inventor 文丽华吉泽升黄志求宁慧燕李云峰王清宇杨佳明
Owner HEILONGJIANG INST OF TECH
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