Preparation method of 6082 aluminum alloy spectral standard sample

A spectral standard sample and aluminum alloy technology, which is applied in the field of preparation of 6082 aluminum alloy spectral standard samples to achieve the effect of no pores, uniform chemical composition and fine structure

Inactive Publication Date: 2015-03-25
SOUTHWEST ALUMINUM GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the spectral standard sample needs to meet the requirements of composition accuracy, and there is no suitable standard sample corresponding to the composition of 6082 aluminum alloy in the existing standard samples, it is necessary to develop a special 6082 aluminum alloy standard sample for spectral analysis of 6082 aluminum alloy The results are corrected

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  • Preparation method of 6082 aluminum alloy spectral standard sample
  • Preparation method of 6082 aluminum alloy spectral standard sample
  • Preparation method of 6082 aluminum alloy spectral standard sample

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preparation example Construction

[0028] The invention provides a method for preparing a 6082 aluminum alloy spectral standard sample, comprising the following steps:

[0029] a), melting and blending aluminum source, silicon source, iron source, copper source, manganese source, magnesium source, chromium source, nickel source, zinc source and titanium source to obtain an aluminum alloy melt;

[0030] The aluminum alloy melt comprises: 1.0-1.3wt% Si; 0.2-0.5wt% Fe; 0.04-0.05wt% Cu; 0.7-1.0wt% Mn; 1.0-1.2wt% Mg; 0.25wt% Cr; 0.05-0.06wt% Ni; 0.1-0.2wt% Zn; 0.04-0.06wt% Ti and the rest Al;

[0031] b) The aluminum alloy melt is sequentially cast, homogenized heat treated and extruded to obtain a 6082 aluminum alloy spectral standard sample.

[0032]In the present invention, firstly, aluminum source, silicon source, iron source, copper source, manganese source, magnesium source, chromium source, nickel source, zinc source and titanium source are melt blended to obtain an aluminum alloy melt. Wherein, the silicon...

Embodiment 1

[0052] Pure aluminum, Al-20wt% Si master alloy, Al-15wt% Fe master alloy, Al-40wt% Cu master alloy, Al-15wt% Mn master alloy, Al-4wt% Cr master alloy, The Al-20wt% Ni master alloy and the Al-20wt% Ti master alloy were put into the furnace, melted and blended at 760° C. to obtain the first alloy melt. Add pure zinc into the first alloy melt according to the composition percentage in Table 1, and stir to obtain the second alloy melt. Add pure magnesium into the second alloy solution according to the composition ratio in Table 1, and stir to obtain an aluminum alloy melt. Under stirring conditions, hot-top casting is used to cast the aluminum alloy melt. The casting temperature is 735°C, the casting speed is 78mm / min, and the cooling water pressure is 0.06MPa. After the casting, an aluminum alloy with a diameter of 162mm is obtained. Alloy ingots and rods.

[0053] The chemical composition mass percent of 6082 aluminum alloy spectral standard sample in the embodiment 1 of table...

Embodiment 2

[0069] Pure aluminum, Al-20wt% Si master alloy, Al-15wt% Fe master alloy, Al-40wt% Cu master alloy, Al-15wt% Mn master alloy, Al-4wt% Cr master alloy, The Al-20wt% Ni master alloy and the Al-20wt% Ti master alloy were put into the furnace, melted and blended at 760° C. to obtain the first alloy melt. Add pure zinc into the first alloy melt according to the composition percentage in Table 2, and stir to obtain the second alloy melt. Add pure magnesium into the second alloy solution according to the composition ratio in Table 2, and stir to obtain an aluminum alloy melt. Under stirring conditions, hot-top casting is used to cast the aluminum alloy melt. The casting temperature is 745°C, the casting speed is 72mm / min, and the cooling water pressure is 0.08MPa. After the casting, an aluminum alloy with a diameter of 162mm is obtained. Alloy ingots and rods.

[0070] The chemical composition mass percent of 6082 aluminum alloy spectral standard sample in the embodiment 2 of table...

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Abstract

The invention belongs to the field of aluminum alloys, and particularly relates to a preparation method of a 6082 aluminum alloy spectral standard sample. The preparation method provided by the invention comprises the following steps: a) carrying out melt-blending of an aluminum source, a silicon source, an iron source, a copper source, a manganese source, a magnesium source, a chrome source, a nickel source, a zinc source and a titanium source, so as to obtain aluminum alloy melt, wherein the aluminum alloy melt comprises the following raw materials in percentage by weight: 1.0wt%-1.3wt% of Si, 0.2wt%-0.5wt% of Fe, 0.04wt%-0.05wt% of Cu, 0.7wt%-1.0wt%of Mn, 1.0wt%-1.2wt% of Mg, 0.1wt%-0.25wt% of Cr, 0.05wt-0.06wt% of Ni, 0.1wt%-0.2wt% of Zn, 0.04wt%-0.06wt% of Ti and the balance of Al; and b) sequentially carrying out casting, homogenizing heat treatment and extrusion on the aluminum alloy melt, so as to obtain the 6082 aluminum alloy spectral standard sample. A to-be-detected 6082 aluminum alloy sample is subjected to component analysis by adopting a standard spectral line intensity curve of atomic emission spectroscopy corrected by the 6082 aluminum alloy standard sample prepared by the method, and the result accords with the result of component analysis based on a chemical analysis method.

Description

technical field [0001] The invention belongs to the field of alloys, in particular to a method for preparing a 6082 aluminum alloy spectral standard sample. Background technique [0002] The so-called aluminum alloy is to add an appropriate amount of other elements to industrial pure aluminum to improve the nature of aluminum to meet various needs in industry and life. Due to the small specific gravity, high specific strength and good comprehensive performance of aluminum alloy, it is widely used in aviation industry, automobile manufacturing industry, power instrument, tool and civil utensil manufacturing, etc. [0003] In the research and development and production process of aluminum alloy, it is necessary to analyze the chemical composition in aluminum alloy, so as to achieve the purpose of strictly controlling the content of each chemical composition, thereby avoiding the loss of control of the composition before the furnace during the alloy production process, and at t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
Inventor 陈瑜
Owner SOUTHWEST ALUMINUM GRP
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