Aluminum alloy 62Sn spectral standard sample and preparation method thereof

A spectral standard sample and standard sample technology, which is applied in the field of aluminum alloy 62Sn spectral standard sample and preparation, can solve the problems of chemical composition analysis limitation, uncontrollable content, etc., achieve the effect of fine structure, improve production efficiency and product quality

Inactive Publication Date: 2014-04-02
SOUTHWEST ALUMINUM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, there is no spectral standard sample of aluminum alloy 62Sn at home and abroad. The closest standard sample is the LD2 aluminum alloy spectral standard sample developed by Southwest Aluminum, but this standard sample cannot control the content of Bi and Sn in aluminum alloy 62Sn. As a result, the analysis of the chemical composition in the aluminum alloy 62Sn has been greatly restricted.

Method used

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  • Aluminum alloy 62Sn spectral standard sample and preparation method thereof
  • Aluminum alloy 62Sn spectral standard sample and preparation method thereof
  • Aluminum alloy 62Sn spectral standard sample and preparation method thereof

Examples

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preparation example Construction

[0092] The invention provides a method for preparing an aluminum alloy 62Sn spectrum standard sample, comprising:

[0093] 1) Al, Si, Fe, Cu, Mn, Cr, Zn, Mg and Ti are mixed and heated until melted to obtain the first alloy solution;

[0094] 2) adding molten Bi and molten Sn to the first alloy solution, and adjusting Bi and Sn to meet the content requirements of the spectral standard sample, to obtain an alloy solution;

[0095] 3) casting the alloy solution to obtain an ingot;

[0096] 4) The ingot is homogenized and heat-treated and extruded to obtain a standard sample of the aluminum alloy 62Sn spectrum.

[0097] Al, Si, Fe, Cu, Mn, Cr, Zn, Mg and Ti are mixed and heated to melt to obtain a first alloy solution; the heating temperature is 750-780°C, preferably 760°C. The Al is preferably aluminum 9970.

[0098] In order to ensure that Mg can be well dissolved in the alloy solution, the present invention adopts the distribution adjustment chemical composition method, pre...

Embodiment 1

[0183] Preparation of aluminum alloy 62Sn standard sample 62Sn-1

[0184] 1) Add Al, Si, Fe, Cu, Mn, Cr, Zn and Ti into the furnace according to the composition percentage in Table 1, heat to 760°C, stir, and adjust Si, Fe, Cu, Mn, Cr, Zn and Ti to Meet the content requirements of the spectral standard sample, and obtain the alloy solution without adding Mg;

[0185] 2) Add Mg to the alloy solution without adding Mg according to the composition percentage in Table 1, stir, and adjust the Mg to meet the content requirements of the spectral standard sample to obtain the first alloy solution.

[0186] 3) Add molten Bi and molten Sn to the first alloy solution according to the composition ratio in Table 1, stir, and adjust Bi and Sn to meet the content requirements of the spectral standard sample to obtain the alloy solution;

[0187] 4) Under stirring conditions, the alloy solution is cast by semi-continuous casting at a temperature of 745-755°C, a casting speed of 65-75mm / min, ...

Embodiment 2～5

[0191] The preparation method of Examples 2-5 is the same as that of Example 1, see Table 1 for specific composition percentages, and prepare aluminum alloy 62Sn standard samples 62Sn-1-62Sn-5.

[0192] Table 1 Mass percentage (wt%) of aluminum alloy 62Sn spectrum standard sample composition in Examples 1-5

[0193]

[0194]

[0195] Metallographic structure inspection and component segregation inspection are carried out to the ingot that step 4 obtains in embodiment 1~5, the sampling of inspection test piece is as follows: figure 1 as shown, figure 1 Schematic diagram of the sampling positions of the metallographic test piece and the segregation test piece of the ingot provided by the present invention, wherein, L is 120-220mm, 1 and 4 are the cutting positions of the metallographic test piece, and 2 and 3 are the component segregation test pieces. The cutting part of the slice.

[0196] By carrying out metallographic high-magnification and metallographic low-magnific...

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Abstract

The invention discloses an aluminum alloy 62Sn spectral standard sample and a preparation method thereof. The aluminum alloy 62Sn spectral standard sample provided by the invention comprises Bi and Sn, so that production and development of the aluminum alloy 62Sn can be satisfied, i.e., the aluminum alloy 62Sn spectral standard sample can be applied to stokehold spectral analysis in the aluminum alloy 62Sn production and the spectral analysis of an aluminum alloy 62Sn product, and therefore, production efficiency and the product quality of the aluminum alloy 62Sn are improved.

Description

technical field [0001] The invention relates to the technical field of metal materials, in particular to an aluminum alloy 62Sn spectral standard sample and a preparation method thereof. Background technique [0002] Aluminum alloy 62Sn belongs to Al-Cu-Mg-Si-Sn-Bi series aluminum alloy. It is a deformed alloy of 6262 aluminum alloy. It contains Bi and Sn, that is, Sn is used instead of Pb. It is an environmentally friendly easy-cutting aluminum alloy. , has good anodic oxidation properties, good corrosion resistance and excellent machining performance, and has good surface quality after grinding and other mechanical processing. It is mainly used for the control valve core of automatic transmission of automobiles. However, the material is currently imported from Belgium. Therefore, the aluminum alloy 62Sn urgently needs to be replaced by localization and has great market potential. [0003] In the research and development and production process of aluminum alloy, it is nece...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N21/27
Inventor 陈瑜刘功达胡永利杨建军傅荣董建华陈意刘曼妮蒋平彭霞吴洪军刘智张义
Owner SOUTHWEST ALUMINUM GRP
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