Metallographic corrosion method of 6082 aluminum alloy

A metallographic corrosion and aluminum alloy technology, applied in the direction of instruments, analysis materials, measuring devices, etc., can solve the problems of fuzzy structure, high cost, difficult to corrode, etc., and achieve the effect of clear metallographic structure, reduced corrosion cost, and convenient operation
CN110724956BActive Publication Date: 2021-11-02ASIA PACIFIC LIGHT ALLOY NANTONG TECH
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
ASIA PACIFIC LIGHT ALLOY NANTONG TECH
Publication Date
2021-11-02

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Abstract

The invention relates to a method for metallographic corrosion of 6082 aluminum alloy, which comprises the following steps: mixing sodium ethoxide, sodium fluoride and distilled water to prepare a corrosion solution; grinding a 6082 aluminum alloy sample; polishing the 6082 aluminum alloy sample to make its surface be mirror surface; drop corrosion solution on the surface of the 6082 aluminum alloy sample to corrode the surface of the 6082 aluminum alloy sample; clean the surface of the 6082 aluminum alloy sample and dry it; and observe the metallographic structure of the 6082 aluminum alloy sample. The metallographic structure of the 6082 aluminum alloy after the metallographic corrosion method of the present invention is relatively clear after corroding the 6082 aluminum alloy, and the method of the present invention has simple steps, convenient operation, and greatly reduces the corrosion cost.
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Description

technical field

[0001] The invention belongs to the technical field of metallographic detection of metal materials, in particular to a method for metallographic corrosion of 6082 aluminum alloy. Background technique

[0002] The aluminum alloy with the grade of 6082 is a heat-treatable strengthened alloy, which has good formability, weldability, machinability, and medium strength. It can still maintain good operability after annealing. It is mainly used for mechanical structures Aspects, including rods, plates, pipes and profiles, etc. This alloy has similar, but not identical, mechanical properties to the 6061 alloy, and its T6 state has higher mechanical properties.

[0003] In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art:

[0004] The metallographic structure of 6082-T6 aluminum alloy is relatively difficult to corrode, and even if it is corroded, the structure is relatively blurred. T...

Claims

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