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P-Fe alloy type modifier and method for applying P-Fe alloy type modifier in aluminum-silicon alloy melting

The technology of an aluminum-silicon alloy and a process method is applied in the field of alloy smelting additives, which can solve the problems of large loss, large environmental pollution, and high cost of modifiers, and achieve the effects of reducing material loss, reducing environmental pollution, and improving efficiency.

Active Publication Date: 2013-01-23
成都银河动力有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, P (phosphorus) is generally used in the modification of aluminum-silicon alloys. Modifiers include modifiers prepared with red phosphorus and intermediate alloys such as P-Cu, Al-P, etc. The former has a large loss during processing, and the smog will cause great environmental pollution. , the cost of the latter modificator is very high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Embodiment 1: component composition is as follows:

[0062] P-Fe alloy: 0.1%,

[0063] ∑Re: 0.1%,

[0064] Mn: 0.2%,

[0065] In the above P-Fe alloy, the weight content of P is: 20%.

[0066] The metamorphic effect parameter of embodiment 1: select the product of pouring and carry out quality tracking: according to JB\T6289-2005 metallographic standard detection metallographic is generally matrix 3 primary crystal silicon ≤ 0.06um iron phase 2 grade, and product quality does not find abnormality, Meet the requirements of metallographic standards.

Embodiment 2

[0067] Embodiment 2: component composition is as follows:

[0068] P-Fe alloy: 0.2%,

[0069] ∑Re: 0.15%,

[0070] Mn: 0.1%,

[0071] In the above P-Fe alloy, the weight content of P is: 30%.

[0072] Modification effect parameters of Example 2: Select the poured product for quality tracking: According to the JB\T6289-2005 metallographic standard, the metallographic phase is generally 2nd grade primary crystal silicon≤0.05um iron phase 2nd to 3rd grade in the matrix, and the product quality has not been found Abnormal, meeting metallographic standard requirements.

Embodiment 3

[0073] Embodiment 3: component composition is as follows:

[0074] P-Fe alloy: 0.15%,

[0075] ∑Re: 0.12%,

[0076] Mn: 0.05%,

[0077] In the above P-Fe alloy, the weight content of P is 25%.

[0078] The metamorphic effect parameter of embodiment 3: select the product of pouring to carry out quality tracking: according to JB\T6289-2005 metallographic standard detection metallographic general is matrix 2 primary crystal silicon ≤ 0.04um iron phase 3 grade, and product quality does not find abnormality, Meet the requirements of metallographic standards.

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Abstract

The invention discloses a P-Fe alloy type inoculant and a method for applying the P-Fe alloy type inoculant to aluminum-silicon alloy melting. Based on the aluminum-silicon alloy to be prepared, the P-Fe alloy type inoculant consists of the following components in percentage by weight: 0.1 to 0.2 percent of P-Fe alloy, 0.1 to 0.15 percent of sigma Re, less than or equal to 0.2 percent of Mn, and the balance of Fe, wherein the weight content of P in the P-Fe alloy is 20 to 30 percent. A phosphorus-iron inoculating process is formed in the aluminum-silicon alloy melting by adopting the P-Fe alloy type inoculant, and can inoculate and thin a material; and by the process, the efficiency can be improved, the environmental pollution can be reduced, and cost and material consumption can be reduced.

Description

technical field [0001] The invention relates to an auxiliary agent for alloy smelting, specifically a phosphorus modifier and its application method in aluminum-silicon alloy smelting. Background technique [0002] At present, P (phosphorus) is generally used in the modification of aluminum-silicon alloys. Modifiers include modifiers prepared with red phosphorus and intermediate alloys such as P-Cu, Al-P, etc. The former has a large loss during processing, and the smog will cause great environmental pollution. , the cost of the latter modificator is very high. [0003] With the rise of raw material prices, cost reduction is imperative, and through technological innovation, a new high-phosphorus master alloy modifier is selected to be used on the aluminum-silicon alloy of the piston to reduce the cost of the modifier. Added in a smelting furnace or alloy smelting to reduce material loss. Contents of the invention [0004] The purpose of the present invention is to provide...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/04C22C1/03C22C1/06
Inventor 杨庆年徐昌友彭明诚文均陈革夏小兵
Owner 成都银河动力有限公司
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