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Copper-aluminum cast iron mold material

A cast iron mold, copper and aluminum technology, applied in the field of glass mold material formulation, can solve the problems of thermal conductivity, poor oxidation resistance and wear resistance, short service life, difficult to process, etc., achieve excellent high temperature oxidation resistance and wear resistance, improve Strength, processing ductility, and long service life

Inactive Publication Date: 2016-03-16
TAICANG JIEGONG PRECISION METAL MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary ductile iron has poor thermal conductivity, oxidation resistance and wear resistance. The general method is to add silicon, manganese, nickel and other alloying elements to the cast iron raw materials to improve the overall performance of the mold material.
Although the addition of some elements improves the thermal conductivity, oxidation resistance and wear resistance of cast iron materials, it brings problems of high hardness and difficult processing, and poor toughness. Cracks or gaps occur, and the service life is short

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A copper-aluminum cast iron mold material, comprising the following components by weight: carbon: 40 parts; copper: 10 parts; aluminum: 4 parts; manganese: 0.3 parts; silicon: 2 parts; nickel: 0.5 parts ; Tungsten: 0.5 parts; Sulfur: 0.2 parts; Chromium: 1.2 parts; Titanium: 1.8 parts; Molybdenum: 1 part; Phosphorus: 0.3 parts; Dosing according to the ratio of materials mentioned above, melting the prepared materials at 1500~1580°C, pouring at 1350~1450°C, and finally performing two annealing processes.

Embodiment 2

[0029] A copper-aluminum cast iron mold material, comprising the following components by weight: carbon: 60 parts; copper: 20 parts; aluminum: 8 parts; manganese: 0.7 parts; silicon: 6 parts; nickel: 2 parts ; Tungsten: 0.9 parts; Sulfur: 0.5 parts; Chromium: 2 parts; Titanium: 2 parts; Molybdenum: 3 parts; Phosphorus: 0.5 parts; Dosing according to the ratio of materials mentioned above, melting the prepared materials at 1500~1580°C, pouring at 1350~1450°C, and finally performing two annealing processes.

[0030] The beneficial effects of the invention are: the invention improves the strength and processing ductility of the material, and has excellent high temperature oxidation resistance and wear resistance, long service life and low cost.

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PUM

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Abstract

The invention discloses a copper-aluminum cast iron mold material. The copper-aluminum cast iron mold material is prepared from, by weight, 40-60 parts of carbon, 10-20 parts of copper, 4-8 parts of aluminum, 0.3-0.7 part of manganese, 2-6 parts of silicon, 0.5-2 parts of nickel, 0.5-0.9 part of tungsten, 0.2-0.5 part of sulfur, 1.2-2 parts of chrome, 1.8-2 parts of titanium and the balance Fe and inevitable impurities. The strength and processing ductility of the material are improved; in addition, the copper-aluminum cast iron mold material has excellent high-temperature oxidation resistance and abrasion resistance and is long in service life and low in cost.

Description

technical field [0001] The invention relates to the field of glass mold material formulations, in particular to a copper-aluminum cast iron mold material. Background technique [0002] Glass molds refer to molds for producing glass products. Compared with plastic molds, glass molds have a higher working temperature and higher requirements for heat resistance of materials. Because the temperature of the glass frit is generally above 1000°C, the high temperature oxidizes the mold material strongly, and the wear resistance of the mold decreases after being heated by the glass frit, and it is easier to wear during the opening and closing process. [0003] According to different materials, glass molds are mainly divided into: copper molds, stainless steel molds and cast iron molds. Because cast iron molds have good heat resistance, easy processing and low price, they are the most widely used. Ordinary ductile iron has poor thermal conductivity, oxidation resistance and wear resi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C37/10C21D1/26
Inventor 王建飞
Owner TAICANG JIEGONG PRECISION METAL MATERIALS CO LTD
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