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A kind of composite material zinc ingot mold and preparation method thereof

A composite material and zinc ingot mold technology, which is applied in the field of composite materials, can solve the problem of no improvement in the service life of the zinc ingot mold, and achieve the effects of excellent wear performance, good zinc liquid corrosion resistance, and simple process

Active Publication Date: 2016-05-25
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The above-mentioned utility model has solved the problems of zinc alloy ingot quality and demoulding to varying degrees, but it has not improved the service life of the zinc ingot mould.

Method used

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  • A kind of composite material zinc ingot mold and preparation method thereof
  • A kind of composite material zinc ingot mold and preparation method thereof
  • A kind of composite material zinc ingot mold and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as Figures 1 to 3 As shown, the composite material zinc ingot mold, the composite material zinc ingot mold is covered with layered ceramic particle reinforced metal matrix composite material on the surface of the existing zinc ingot mold, the thickness of the ceramic particle reinforced metal matrix composite material is 4mm, ceramic The particle size is 80 mesh, and the volume of ceramic particles in the ceramic particle reinforced metal matrix composite material accounts for 52%, and the remaining volume is the same metal matrix as the existing zinc ingot mold metal material; wherein the ceramic particles are B 4 C, the metal base is cast steel (specifically 40Cr steel).

[0027] The preparation method of this above-mentioned composite material zinc ingot mould, its concrete steps are as follows:

[0028] Step 1: Mix the ceramic particles and the binder in a ball mill for 30 minutes and then sieve them, and press them into a triangular preform under a pressure ...

Embodiment 2

[0033] Such as Figures 1 to 3 As shown, the composite material zinc ingot mold, the composite material zinc ingot mold is covered with layered ceramic particle reinforced metal matrix composite material on the surface of the existing zinc ingot mold, the thickness of the ceramic particle reinforced metal matrix composite material is 3mm, ceramic The particle size of the particles is 80 mesh. The volume of ceramic particles in the ceramic particle reinforced metal matrix composite material accounts for 51%, and the remaining volume is the same metal matrix as the existing zinc ingot mold metal material; the ceramic particles are SiC, and the metal matrix is ​​cast iron. (specifically HT200 cast iron).

[0034] The preparation method of this above-mentioned composite material zinc ingot mould, its concrete steps are as follows:

[0035] Step 1: Mix the ceramic particles and the binder in a ball mill for 60 minutes and then sieve it, press it into a triangular preform under a p...

Embodiment 3

[0040] Such as Figures 1 to 3As shown, the composite material zinc ingot mold, the composite material zinc ingot mold is covered with layered ceramic particle reinforced metal matrix composite material on the surface of the existing zinc ingot mold, the thickness of the ceramic particle reinforced metal matrix composite material is 2mm, ceramic The particle size is 120 mesh. The volume of ceramic particles in the ceramic particle reinforced metal matrix composite material accounts for 56%, and the remaining volume is the same metal matrix as the existing zinc ingot mold metal material; the mass ratio of ceramic particles is 7:3 TiN and Si 3 N 4 Mixture, the metal base is cast iron (specifically QT400-18 cast iron).

[0041] The preparation method of this above-mentioned composite material zinc ingot mould, its concrete steps are as follows:

[0042] Step 1: Mix the ceramic particles and the binder in a ball mill for 120 minutes, then sieve, and press it into a triangular p...

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Abstract

The invention relates to a composite zinc ingot die and a manufacturing method thereof, and belongs to the technical field of composites. The composite zinc ingot die is formed by covering the surface of an existing zinc ingot die with a layered ceramic particle strengthened metal-based composite, the thickness of the ceramic particle strengthened metal-based composite ranges from 2 mm to 10 mm, ceramic particles account for, by size, 40-60% of the ceramic particle strengthened metal-based composite, and the part, of the rest of size, of the ceramic particle strengthened metal-based composite is a metal matrix identical with an existing zinc ingot die metal material. Firstly, a prefabricated body is manufactured, is rapidly put in a cavity and is fixed to the inner surface of a casting die through nails; lastly, metal matrix liquid identical with the existing zinc ingot die metal material is poured into the casting die with the prefabricated body fixed, and the composite zinc ingot die is obtained after cooling is conducted. The composite zinc ingot die has good zinc liquid corrosion resisting performance and has good wear resisting performance. The manufacturing method is simple in technology and suitable for industrialized production.

Description

technical field [0001] The invention relates to a composite material zinc ingot mold and a preparation method thereof, belonging to the technical field of composite materials. Background technique [0002] Zinc ingot mold is a basic tooling equipment for zinc smelting. It is used under rapid heating and rapid cooling conditions, and the temperature difference changes greatly. It is usually made of cast iron and cast steel. However, these materials have poor resistance to zinc liquid corrosion, and the zinc ingot mold is strongly corroded, resulting in a short service life and poor surface quality of the manufactured zinc ingot. Although ceramic materials have good corrosion resistance to molten zinc, their brittleness and poor impact resistance have become bottlenecks in their development and cannot be directly used for the above-mentioned parts. [0003] Chinese patent CN202137340U discloses a zinc alloy ingot mold, which is applied to the cooling process of smelting and p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D7/06
Inventor 卢德宏王健余晶
Owner KUNMING UNIV OF SCI & TECH
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