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Method for continuously extruding and molding zinc alloy structural materials

A technology of structural materials and extrusion molding, which is applied in the direction of metal extrusion control equipment, metal extrusion, metal processing equipment, etc., can solve the problems of high energy consumption for multiple heating, low material utilization rate, high production cost, etc., to achieve The effect of low production energy consumption, excellent comprehensive performance and low extrusion cost

Inactive Publication Date: 2010-04-28
HUNAN HUAKANG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a method for continuous extrusion molding of deformed zinc alloy structural materials to solve the problems of long process, high energy consumption of multiple heating, low material utilization rate and production problems in the existing conventional extrusion process. Prominent issues such as high cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Material name: ZnAl25Cu2 deformed zinc alloy

[0021] Material specification: deformed zinc alloy round wire blank of ф10mm

[0022] Chemical composition (mass percentage): Al 8-30, Cu 2-6, Zn 65-75; auxiliary components B0.05-0.3, Ti 0.05-0.2, Mn 0.01-0.45, Mg 0.01-0.05.

[0023] Performance indicators: tensile strength ≥ 430Mpa, elongation ≥ 20%.

[0024] Melting equipment: intermediate frequency furnace, horizontal continuous casting machine.

[0025] Preparation Process:

[0026] 1. Raw material: Zinc content of zinc ingot ≥99.99%, in line with GB / T470-1997 standard; aluminum content of aluminum ingot ≥99.99%, in line with GB / T8644-2000 standard; boron powder boron content ≥95-99.9%; sponge titanium or Titanium dioxide titanium content ≥ 99%, in line with GB / T2524-2002 standard or YB523-82 standard; 1 # manganese ingots.

[0027] 2. Ingredients: mix the main and auxiliary materials according to the required ingredients.

[0028] 3. Preparation of master alloy:...

Embodiment 2

[0032] Material name: ZnAl20Cu2Mn1 deformed zinc alloy

[0033] Material specification: deformed zinc alloy round wire blank of dф10mm

[0034] Chemical composition (mass percentage): main components Al 5-25, Cu 1-3, Mn 0.5-1.5, Zn70-85; auxiliary components B 0.5-1.5, Ti 0.5-1, Si 0.01-0.48, Mg 0.01-0.02 ;

[0035] Performance indicators: tensile strength ≥ 460Mpa, elongation ≥ 20%.

[0036] Melting equipment: intermediate frequency furnace, horizontal continuous casting machine

[0037] Preparation Process:

[0038] 1. Furnace material: Zinc content of zinc ingot ≥99.99%, in line with GB / T470-1997 standard; aluminum content of aluminum ingot ≥99.99%, in line with GB / T8644-2000 standard; boron powder boron content ≥95-99.9%; sponge titanium or Titanium dioxide titanium content ≥ 99%, in line with GB / T2524-2002 standard or YB523-82 standard; 1 # Manganese Bar, 1 # Silicon Ingot, 1 # Magnesium Ingots.

[0039] 2. Ingredients: mix the main and auxiliary materials accordi...

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Abstract

The invention relates to a method for continuously extruding and molding zinc alloy structural materials, belonging to the technical field of plastic molding of zinc alloy tubing, section bar and wire stocks. In the technology, the plastic processing performance of zinc and alloy thereof can be dramatically improved by the method of modified fine grain strengthening and polishing, and deformation strengthening-great cutting deformation mode is in favor of refining crystals. Sufficient extruding force and heat quantity can be generated by utilizing strong friction of the continuously extruding technique on the zinc alloy structural material stock such as rod materials, granules or molten metal and the like and the rotary extruding wheels of the extruding device, thus directly extruding the zinc alloy structural material stock into finished products by the great cutting deformation mode. The invention solves the problems of long flow, high energy consumption caused by multiple heating, low material utilization rate, high production cost and the like existing in the current conventional techniques.

Description

technical field [0001] The invention belongs to the technical field of plastic forming of zinc alloy pipes, profiles and wires, and in particular relates to a continuous extrusion forming method for deformed zinc alloy structural materials. Background technique [0002] Zinc and zinc alloys have the characteristics of excellent atmospheric corrosion resistance, applicable mechanical properties, good electromagnetic field properties, suitable chemical properties and excellent process properties, low melting point, low energy consumption, and low production cost. At present, people's attention to zinc alloys is mainly focused on the application in the casting field. Except for superplastic zinc alloys that have attracted people's attention, other deformed zinc alloy structural materials have not been involved, so the application of zinc and zinc alloys is limited. Later, it was discovered that titanium has a good effect on refining and strengthening the structure of zinc alloy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C23/02B21C23/01B21C31/00
Inventor 郭道强张辉蒋子凡滕世政何柳
Owner HUNAN HUAKANG NEW MATERIAL
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