Method for preparing aluminum-silicon alloy by using high-iron-content ZL102 infiltrated aluminum alloy and aluminum-silicon alloy

Active Publication Date: 2020-03-24
成都银河动力有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] The purpose of the present invention is to provide a method for preparing aluminum-silicon alloy and aluminum-silicon alloy by using high-iron-content ZL102 infiltrated aluminum alloy, so as to solve the process of recovering high-iron-content ZL102 in the prior art, the recovery rate is only 1%, and The output rate of ZL102 with high iron content is 5%, the recovery rate is low, and the technical problems of large economic losses

Method used

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  • Method for preparing aluminum-silicon alloy by using high-iron-content ZL102 infiltrated aluminum alloy and aluminum-silicon alloy
  • Method for preparing aluminum-silicon alloy by using high-iron-content ZL102 infiltrated aluminum alloy and aluminum-silicon alloy
  • Method for preparing aluminum-silicon alloy by using high-iron-content ZL102 infiltrated aluminum alloy and aluminum-silicon alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] (1) Manganese-added remelting is carried out on ZL102 infiltrated aluminum alloy with high iron content to obtain remelted ZL102 ingot with refined iron phase;

[0045] ①Weigh the ZL102 infiltrated aluminum alloy and Mn according to the proportion; the amount of manganese added is added according to the weight ratio Mn:Fe=0.3:1;

[0046] ②Put ZL102 infiltrated aluminum alloy and Mn into the remelting furnace and rapidly raise the temperature to 875°C, and heat and diffuse at 875°C for 30min;

[0047] ③ After 30 minutes of diffusion, cast the remelted ZL102 ingot with refined iron phase, and the weight of the prepared remelted ZL102 ingot is 4.8kg-5.2kg; half ingot casting is required and the ingot is quenched and turned by using a water-cooled ingot trough, and the alloy Liquid solidification time is 25S.

[0048] (2) Preparation of ZL109:

[0049] ① Prepare raw materials, including aluminum ingots;

[0050] ② Put all the raw materials into the smelting furnace, heat...

Embodiment 2

[0053] (1) Manganese-added remelting is carried out on ZL102 infiltrated aluminum alloy with high iron content to obtain remelted ZL102 ingot with refined iron phase;

[0054] ①Weigh the ZL102 infiltrated aluminum alloy and Mn according to the proportion; the amount of manganese added is added according to the weight ratio Mn:Fe=0.4:1;

[0055] ②Put ZL102 infiltrated aluminum alloy and Mn into the remelting furnace and rapidly raise the temperature to 900°C, and heat and diffuse at 900°C for 40 minutes;

[0056] ③ After 40 minutes of diffusion, cast remelted ZL102 ingots with refined iron phases. The weight of the remelted ZL102 ingots prepared is 4.8kg-5.2kg; half ingots need to be cast and quenched by water-cooled ingot grooves. Liquid solidification time is 20S.

[0057] (2) Preparation of ZL109:

[0058] ① Prepare raw materials, including aluminum ingots;

[0059] ② Put all the raw materials into the smelting furnace, heat up to 800°C after all the aluminum ingots are m...

Embodiment 3

[0062] (1) Manganese-added remelting is carried out on ZL102 infiltrated aluminum alloy with high iron content to obtain remelted ZL102 ingot with refined iron phase;

[0063] ①Weigh the ZL102 infiltrated aluminum alloy and Mn according to the proportion; the amount of manganese added is added according to the weight ratio Mn:Fe=0.2:1;

[0064] ②Put ZL102 infiltrated aluminum alloy and Mn into the remelting furnace and rapidly raise the temperature to 850°C, and heat and diffuse at 850°C for 20 minutes;

[0065] ③ After 20 minutes of diffusion, cast the remelted ZL102 ingot with refined iron phase, and the weight of the prepared remelted ZL102 ingot is 4.8kg-5.2kg. Liquid solidification time is 30S.

[0066] (2) Preparation of ZL109:

[0067] ① Prepare raw materials, including aluminum ingots;

[0068] ② Put all the raw materials into the smelting furnace, heat up to 760°C after all the aluminum ingots are melted, and then add the remelted ZL102 ingot prepared in step (1) i...

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Abstract

The invention provides a method for preparing an aluminum-silicon alloy by using a high-iron-content ZL102 infiltrated aluminum alloy and the aluminum-silicon alloy. Technical problems that a recoveryrate of a process for recycling high-iron-content ZL102 is only 1%, but a yield of the high-iron-content ZL102 is 5%, the recovery rate is low, and economic losses are large in the prior art are solved. The method comprises the following steps of (1) adding manganese into the ZL102 infiltrated aluminum alloy with a high iron content and remelting to obtain a remelted ZL102 ingot with a refined iron phase; and (2) preparing the aluminum-silicon alloy. After the manganese is added into the ZL102 alloy with the high iron content and remelting is performed, and an iron phase structure is shortened and thinned so as to obtain the remelted ZL102 ingot with a refined iron phase; an adding amount can reach 5% of total weight of the aluminum-silicon alloy and can be completely counteracted with output, the recovery rate is greatly increased, and the economic losses are avoided.

Description

technical field [0001] The invention relates to a recovery process of high-iron-content ZL102 infiltrated aluminum alloy, in particular to a method for preparing aluminum-silicon alloy by using high-iron-content ZL102 infiltrated aluminum alloy and the aluminum-silicon alloy. Background technique [0002] In the prior art, the first ring groove of the aluminum piston is inlaid with a cast iron ring to increase wear resistance and thermal conductivity. The cast iron insert is put in when the aluminum piston is cast. In order to ensure the bonding rate and bonding strength between the cast iron insert and the aluminum piston, the cast iron insert needs to be aluminized. [0003] The aluminizing treatment uses the ZL102 alloy, and as the aluminizing proceeds, the iron content of the ZL102 alloy can be as high as 6%. According to the production situation, generally speaking, every 20 tons of ring-mounted pistons will produce 1 ton of ZL102 with high iron content, and the output...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03B22D7/00C22C21/02C22B9/16
CPCB22D7/005C22B9/16C22C1/026C22C1/03C22C21/02
Inventor 温志高顾学坤徐昌友
Owner 成都银河动力有限公司
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