Aluminum-titanium-boron-strontium alloy refining and modifying agent

A technology for refining modifiers and alloys, which is applied in the field of casting fluxes and can solve problems such as time-consuming and labor-intensive

Inactive Publication Date: 2011-07-20
镇江市丹徒区振华熔剂厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thinning and deterioration are divided into two ...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1 is characterized in that the component formula weight percent of aluminum-titanium-boron-strontium alloy refinement modifier is:

[0012] Titanium Ti 3%; boron B 1.0%; strontium Sr 7%; the rest is aluminum Al to 100%.

[0013] Its preparation method is to adopt the method of chloride molten salt electrolysis and co-deposition aluminum-titanium-boron-strontium alloy, cast into waffle ingots, and then make 0.5-12Kg finished cakes according to user needs, or 100-500g Finished small ingots, or finished wire coils with a diameter of 9.5-10.0 mm, or finished rods with a diameter of 9.5-10.0 mm and a length of 100 cm.

Embodiment 2

[0014] Embodiment 2 is characterized in that the component formula weight percent of aluminum-titanium-boron-strontium alloy refinement modifier is:

[0015] Titanium Ti 7%; boron B 0.4%; strontium Sr 11%; the rest is aluminum Al to 100%.

[0016] Its preparation method is as described in Example 1.

Embodiment 3

[0017] Embodiment 3 is characterized in that the component formula weight percent of aluminum-titanium-boron-strontium alloy refinement modifier is:

[0018] Titanium Ti 6%; boron B 0.6%; strontium Sr 10%; the rest is aluminum Al to 100%.

[0019] Its preparation method is as described in Example 1.

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Abstract

The invention relates to an aluminum-titanium-boron-strontium alloy refining and modifying agent, and belongs to a flux for casting. Aiming at the problem that an aluminum-titanium-boron alloy is used for refining and an aluminum-strontium intermediate alloy is used for modifying in turn to cause high labor and time consumption in the conventional process for treating a eutectic or hypoeutectic aluminum-silicon alloy melt, the invention provides the aluminum-titanium-boron-strontium alloy refining and modifying agent for refining and modifying simultaneously. The refining and modifying agent is characterized by comprising the following components in percentage by weight: 3 to 7 percent of titanium, 0.4 to 1.0 percent of boron, 7 to 11 percent of strontium and the balance of aluminum. During use, the refining and modifying agent is preheated, 0.4 weight percent of preheated refining and modifying agent is added into a 710 to 730 DEG C eutectic or hypo-eutectic aluminum-silicon alloy melt at one time, and melted after 3 to 5 minutes, the mixture is uniformly stirred, stood for 5 to 7 minutes and is subjected to slagging off, and casting operation is performed. Compared with the conventional two-time separate refining and modifying operation, the simultaneous refining and modifying operation has the advantages that: the labor and time consumption is low and the refining and modifying effects of the treated eutectic or hypoeutectic aluminum-silicon alloy are good through probation.

Description

technical field [0001] The invention belongs to the technical field of casting flux, in particular to a refinement of aluminum-titanium-boron-strontium alloy which simultaneously plays the role of refinement and modification in the treatment process of eutectic or hypoeutectic aluminum-silicon alloy melt Modifier. Background technique [0002] At present, in the prior art, in the treatment process of the eutectic or hypoeutectic aluminum-silicon alloy melt, the aluminum-titanium-boron alloy is first used for refining treatment, and then the aluminum-strontium intermediate alloy is used for modification treatment. Thinning and deterioration are divided into two operations, which is labor-intensive and time-consuming. It can be seen that it is necessary to study and design a refinement modifier for aluminum-titanium-boron-strontium alloy that can be refined and modified at the same time. Contents of the invention [0003] The purpose of the present invention is to overcome...

Claims

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Application Information

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IPC IPC(8): C22C1/06C22C21/04B22D27/20
Inventor 周建
Owner 镇江市丹徒区振华熔剂厂
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