Smelting method for high-manganese aluminum bronze alloy

A high-manganese-aluminum-bronze and alloy technology is applied in the smelting field of high-manganese-aluminum-bronze alloys, which can solve the problem that the content of alloy components cannot be accurately controlled, and achieve the effects of convenient smelting, reducing slag inclusion and improving quality.

Active Publication Date: 2017-02-15
CSIC NO 12 RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for smelting high-manganese-aluminum-bronze alloys, which is especially suitable for smelting ZCuAl8Mn13Fe3Ni2 alloys and ZCuAl8Mn14Fe3Ni2 alloys, to ensure that the alloy metal liquid can meet the requirements for the preparation of standard substances, and to solve the problem that the content of alloy components cannot be accurately controlled under traditional techniques , while reducing the slag and gas content in the molten metal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0092] Melting of ZCuAl8Mn13Fe3Ni2 alloy:

[0093] Material preparation: Calculated by feeding 100kg, weigh 72.83kg of cathode copper, 8.15kg of high-purity aluminum, 13.08kg of electrolytic manganese, 3.25kg of high-purity iron, 2.16kg of electrolytic nickel, 0.417kg of industrial pure zinc, 0.015kg of pure lead and 0.100kg of crystalline silicon as raw material;

[0094] Clean the surface oxides of all metals to avoid foreign impurities from contaminating the molten metal; then dry the crystalline silicon and all metals in an oven to remove attached moisture and oil. During the drying process, the temperature of the oven is controlled 220°C; process high-melting-point alloy materials pure iron and pure nickel into shavings; clean up the residue of furnace materials in the furnace of the intermediate frequency induction furnace, and clean the furnace with cathode copper if necessary to avoid contamination of the melt by foreign substances; for the subsequent smelting process ...

Embodiment 2

[0107] Melting of ZCuAl8Mn13Fe3Ni2 alloy:

[0108] Material preparation: Calculated by feeding 100kg, weigh 72.83kg of cathode copper, 8.15kg of high-purity aluminum, 13.08kg of electrolytic manganese, 3.25kg of high-purity iron, 2.16kg of electrolytic nickel, 0.417kg of industrial pure zinc, 0.015kg of pure lead and 0.100kg of crystalline silicon as raw material;

[0109] Clean the surface oxides of all metals to avoid foreign impurities from contaminating the molten metal; then dry the crystalline silicon and all metals in an oven to remove attached moisture and oil. During the drying process, the temperature of the oven is controlled 230°C; process high-melting-point metal Fe and metal Ni into shavings; clean up the furnace material residue in the furnace of the intermediate frequency induction furnace, and clean the furnace with cathode copper if necessary to avoid contamination of the melt by foreign matter; for the subsequent smelting process The sample spoon, graphite ...

Embodiment 3

[0121] Melting of ZCuAl8Mn14Fe3Ni2 alloy:

[0122] Material preparation: Calculated by feeding 100kg, weigh 70.55kg of cathode copper, 8.73kg of high-purity aluminum, 14.62kg of electrolytic manganese, 3.399kg of high-purity iron, 2.162kg of electrolytic nickel, 0.417kg of industrial pure zinc, 0.015kg of pure lead and 0.100kg of crystalline silicon as raw material;

[0123] Clean the surface oxides of all metals to avoid foreign impurities from contaminating the molten metal; then dry the crystalline silicon and all metals in an oven to remove attached moisture and oil. During the drying process, the temperature of the oven is controlled 210°C; process high melting point metal Fe and metal Ni into shavings; clean up the furnace material residue in the intermediate frequency induction furnace, and if necessary, use cathode copper to clean the furnace to avoid contamination of the melt by foreign matter; for subsequent smelting process The sample spoon, graphite stirring rod a...

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Abstract

The invention discloses a smelting method for high-manganese aluminum bronze alloy. The smelting method for the high-manganese aluminum bronze alloy comprises the main steps that a furnace body of a medium-frequency induction furnace is treated, and a gas diffusion device is mounted on the furnace body of the medium-frequency induction furnace; alloy components are designed; raw materials and tools used in the smelting process are prepared; the raw materials are fed in the furnace; the temperature of the materials in the furnace is increased, so that the materials in the furnace are melted; argon is introduced to the bottom of the furnace; cooling and charging are conducted; the components are checked preliminarily; and the quality of molten liquid is detected, and the alloy is discharged out of the furnace. The smelting method for high-manganese aluminum bronze alloy can be used for smelting high-manganese aluminum bronze ZCuAl8Mn13Fe3Ni2 alloy and high-manganese aluminum bronze ZCuAl8Mn14Fe3Ni2 alloy, can be used for preparation of standard high-manganese aluminum bronze substances, and can also be used for production of products with high component and casting quality requirements.

Description

technical field [0001] The invention belongs to the technical field of alloy smelting methods, in particular to a method for smelting high manganese aluminum bronze alloys. Background technique [0002] High-manganese aluminum bronze is a high-strength corrosion-resistant alloy with Mn and Al as the main alloying elements, and the alloy properties are strengthened by adding Fe, Ni, Zn and other metal elements. The commonly used grades are ZCuAl8Mn13Fe3Ni2 and ZCuAl8Mn14Fe3Ni2. Strength, corrosion fatigue strength and cavitation corrosion resistance, good casting performance and strong weldability, it is the main material used to prepare ship propellers all over the world. [0003] In the traditional high-manganese-aluminum bronze smelting process, Al, Mn, Fe, and Ni are generally used as the main alloying elements, which are the control components of the alloy, and are usually added in the form of copper-manganese, copper-nickel intermediate alloys, industrial pure aluminum,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C9/05
CPCC22C1/02C22C9/05
Inventor 赵教育袁满张卫国李宁支龙
Owner CSIC NO 12 RES INST
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