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Method for reducing segregation thickness of high-silicon deformed aluminum alloy ingot

A technology of deforming aluminum alloy and casting ingot, which is applied in the field of metal casting, which can solve the problems of abnormal thickness of segregation layer of casting ingot and affect the quality of pressure processed products, and achieve the effect of reducing segregation thickness

Active Publication Date: 2022-04-26
龙口市丛林铝材有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, improper control during the casting process can easily lead to abnormal thickness of the ingot segregation layer, which affects the quality of press processed products.

Method used

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  • Method for reducing segregation thickness of high-silicon deformed aluminum alloy ingot
  • Method for reducing segregation thickness of high-silicon deformed aluminum alloy ingot
  • Method for reducing segregation thickness of high-silicon deformed aluminum alloy ingot

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Experimental program
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Effect test

Embodiment 1

[0027] A method for reducing the segregation thickness of a high-silicon deformed aluminum alloy ingot, comprising the following steps:

[0028] Step 1. Prepare raw materials: scrap, aluminum ingots, magnesium ingots, Al-Si master alloys, Al-Fe master alloys, Al-Cu master alloys, Al-Mn master alloys, Al-Cr master alloys, Al-Ti master alloys Raw materials, according to the weight percentage, take a certain weight;

[0029] Step 2. Furnace loading: After the raw materials are weighed, some parts are first loaded into the melting furnace. The temperature of the furnace is 600°C-650°C. The waste is first loaded, and according to the shape of the waste, first small pieces or thin slices of waste are loaded, and then rod heads, etc. are added. Bulk waste, then put into Al-Si master alloy, Al-Fe master alloy, Al-Cu master alloy, Al-Mn master alloy, Al-Cr master alloy, and finally put into aluminum ingot;

[0030] Step 3. Melting: The melting furnace is ignited for melting. The furna...

Embodiment 2

[0043] A method for reducing the segregation thickness of a high-silicon deformed aluminum alloy ingot, comprising the following steps:

[0044] Step 1. Prepare raw materials: scrap, aluminum ingots, magnesium ingots, Al-Si master alloys, Al-Fe master alloys, Al-Cu master alloys, Al-Mn master alloys, Al-Cr master alloys, Al-Ti master alloys Raw materials, according to the weight percentage, take a certain weight;

[0045] Step 2. Furnace loading: After the raw materials are weighed, some parts are first loaded into the melting furnace. The temperature of the furnace is 600°C-650°C. The waste is first loaded, and according to the shape of the waste, first small pieces or thin slices of waste are loaded, and then rod heads, etc. are added. Bulk waste, then put into Al-Si master alloy, Al-Fe master alloy, Al-Cu master alloy, Al-Mn master alloy, Al-Cr master alloy, and finally put into aluminum ingot;

[0046] Step 3. Melting: The melting furnace is ignited for melting. The furna...

Embodiment 3

[0059] A method for reducing the segregation thickness of a high-silicon deformed aluminum alloy ingot, comprising the following steps:

[0060] Step 1. Prepare raw materials: scrap, aluminum ingots, magnesium ingots, Al-Si master alloys, Al-Fe master alloys, Al-Cu master alloys, Al-Mn master alloys, Al-Cr master alloys, Al-Ti master alloys Raw materials, according to the weight percentage, take a certain weight;

[0061] Step 2. Furnace loading: After the raw materials are weighed, some parts are first loaded into the melting furnace. The temperature of the furnace is 600°C-650°C. The waste is first loaded, and according to the shape of the waste, first small pieces or thin slices of waste are loaded, and then rod heads, etc. are added. Bulk waste, then put into Al-Si master alloy, Al-Fe master alloy, Al-Cu master alloy, Al-Mn master alloy, Al-Cr master alloy, and finally put into aluminum ingot;

[0062] Step 3. Melting: The melting furnace is ignited for melting. The furna...

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Abstract

The invention relates to a method for reducing the segregation thickness of a high-silicon deformed aluminum alloy ingot, which belongs to the field of metal casting. Step 1, prepare raw materials, step 2, furnace loading, step 3, melting, step 4, add alloy, step 5, sampling equipment testing, step 6, sampling, step 7, converter, step 8, refining, step 9, slag removal , standing still, step ten, casting, step eleven, homogenizing annealing, step twelve, measuring the thickness of the segregation layer. Compared with the prior art, the beneficial effects of the present invention are: first, the segregation thickness of high-silicon deformed aluminum alloy casting is effectively reduced; second, the present invention improves the quality of the high-silicon deformed aluminum alloy casting ingot at the same time It also improves the mechanical properties and physical properties of pressure processed products.

Description

technical field [0001] The invention relates to a method for reducing the segregation thickness of a high-silicon deformed aluminum alloy ingot, which belongs to the field of metal casting. Background technique [0002] High-silicon deformed aluminum alloy has good heat resistance, wear resistance and air tightness, and is generally used to manufacture mechanical parts with complex shapes, high loads, and good air tightness. However, improper control during the casting process can easily cause abnormal thickness of the ingot segregation layer, which affects the quality of press processed products. Segregation is an accompanying phenomenon in the solidification process of aluminum alloy casting, which cannot be completely avoided, nor can it be eliminated by high temperature homogenization. Segregation is also an important reason for the great differences in the mechanical and physical properties of ingots and their press-processed products. Contents of the invention [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D21/04B22D46/00C22C1/03C22C1/06C22C21/00C22F1/04
CPCB22D21/007B22D46/00C22C1/026C22C1/03C22C1/06C22C21/00C22F1/04
Inventor 宋肖滨姜升田王少鹏吕庆玉张人杰刘晓琳遇鹏道王盼辉
Owner 龙口市丛林铝材有限公司