Platinum-doped aluminum alloy and preparation method thereof

An aluminum alloy and aluminum liquid technology, which is applied in the field of platinum-doped aluminum alloy and its preparation, can solve the problems of not meeting the requirements of mechanical properties, poor formability, poor tempering resistance, etc., and achieves guaranteed successful preparation, low cost, simple steps

Inactive Publication Date: 2015-12-30
郭进标
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the current aluminum alloys still have the following defects, such as: poor formability when melting and casting large ingots, and low hardenability during heat treatment, poor tempering resistance and cannot meet higher mechanical properties Requirements or some special properties (such as heat resistance, corrosion resistance), etc.
These defects have seriously restricted the use of aluminum alloys to replace steel products and other strong materials and structures in the field of engineering technology.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 1) Add 100 kg of aluminum into the smelting furnace and heat until completely melted to form molten aluminum;

[0020] 2) Add 4 kg of magnesium, 0.5 kg of zinc, 6 kg of platinum, and 7 kg of molybdenum carbide in sequence to the molten aluminum in step 1), heat until completely melted, and mix well to obtain a mixed liquid;

[0021] 3) The mixed liquid obtained in step 2) was left to stand at 580° C. for 13 hours, and then transferred to a casting mold for casting.

Embodiment 2

[0023] 1) Add 100 kg of aluminum into the smelting furnace and heat until completely melted to form molten aluminum;

[0024] 2) Add 7 kg of magnesium, 0.5 kg of zinc, 6 kg of platinum, and 7 kg of molybdenum carbide in sequence to the molten aluminum in step 1), heat until completely melted, and mix well to obtain a mixed liquid;

[0025] 3) The mixed liquid obtained in step 2) was left to stand at 580° C. for 19 hours, and then transferred to a casting mold for casting.

Embodiment 3

[0027] 1) Add 100 kg of aluminum into the smelting furnace and heat until completely melted to form molten aluminum;

[0028] 2) Add 5.8 kg of magnesium, 0.5 kg of zinc, 6 kg of platinum, and 7 kg of molybdenum carbide to the molten aluminum in step 1), heat until completely melted, and mix well to obtain a mixed liquid;

[0029] 3) The mixed liquid obtained in step 2) was left to stand at 580° C. for 16 hours, and then transferred to a casting mold for casting.

[0030] The casting prepared in Example 3 is detected according to the method stipulated by the state (CSM01010207-2006 metal Brinell hardness test measurement result uncertainty evaluation), compared with the aluminum alloy without adding platinum and molybdenum carbide (others are the same), this The hardness of the platinum-doped aluminum alloy prepared by the invention is increased by 10%.

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PUM

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Abstract

The invention relates to a platinum-doped aluminum alloy and a preparation method thereof. The platinum-doped aluminum alloy is prepared from components in parts by weight as follows: 100 parts of aluminum, 4-7 parts of magnesium, 0.5 parts of zinc, 6 parts of platinum and 7 parts of molybdenum carbide. The preparation method comprises steps as follows: adding 100 parts of the aluminum to a smelting furnace, and heating the aluminum until the aluminum is completely molten to form molten aluminum; sequentially adding 4-7 parts of the magnesium, 0.5 parts of the zinc, 6 parts of the platinum and 7 parts of the molybdenum carbide to the molten aluminum in Step 1), heating the mixture until the mixture is completely molten, and evenly mixing the mixture to obtain a mixed liquid; leaving the mixed liquid obtained in Step 2) to stand at the temperature of 580 DEG C for 13-19 h, and then transferring the mixed liquid into a casting mold of castings for casting. The platinum-doped aluminum alloy can overcome defects of the prior art, has higher toughness, moldability, hardenability and corrosion resistance and can be used as a high-end base material for efficient and deep processing.

Description

technical field [0001] The invention relates to the technical field of new materials, in particular to a platinum-doped aluminum alloy and a preparation method thereof. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. With the rapid development of industrial economy, the demand for welded structural parts of aluminum alloy is increasing day by day, so that the research on weldability of aluminum alloy is also in-depth. [0003] However, the current aluminum alloys still have the following defects, such as: poor formability when melting and casting large ingots, and low hardenability during heat treatment, poor tempering resistance and cannot meet higher mechanical properties Requirements or some special properties (such as heat resistance, corrosion resistance), etc. These defects ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C32/00C22C1/02
Inventor 郭进标
Owner 郭进标
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