High-strength anticorrosion aluminum-alloy material and production process thereof

A technology of aluminum alloy material and manufacturing process, which is applied in the field of doors and windows, can solve the problems of affecting the amount of high aluminum alloy used, the limitation of aluminum alloy material, and the short service life, so as to achieve the effect of improving product quality, strength and service life

Inactive Publication Date: 2015-06-03
SUZHOU KESHENG STORAGE & LOGISTICS EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing high-strength aluminum alloy materials only meet some of the above conditions, and cannot meet all of the above conditions at the same time, especially in the use process of severe wear and short service life; this also limits the use of aluminum alloy materials, affecting the height of aluminum Alloy usage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment provides a high-strength and corrosion-resistant aluminum alloy material. The mass percentage of the chemical composition of the aluminum alloy material is: Sr: 1.23%, Si: 1.34%, Nb: 1.25%, Cu: 4.52%, Ti: 1.56 %, Mg: 0.22%, C: 0.01%, Cr: 16.1%, V: 1.25%, Ni: 12.1%, B: 0.015%, Mn: 3.35%, compound rare earth: 2.51%, and the rest are Al and impurities;

[0040] The composite rare earth contains the following components by weight percentage: Tm: 12.5%, Tb: 1.1%, Pr: 11.8%, Nd: 14.3%, Lu: 2.8%, Sm: 17.2%, and the balance is Ho;

[0041] The total content of the impurities≤0.1%, wherein, P≤0.015%, S≤0.008%, H≤0.003%, N≤0.006%, O≤30ppm.

[0042] This embodiment also provides the manufacturing process of high-strength corrosion-resistant aluminum alloy material, and this process is carried out according to the following steps:

[0043] Step (1): First add pure aluminum ingots into the boiler to melt in proportion, keep the temperature at 580°C for 35 minutes, t...

Embodiment 2

[0048] This embodiment provides a high-strength and corrosion-resistant aluminum alloy material, the mass percentage of the chemical composition of the aluminum alloy material is: Sr: 1.28%, Si: 1.35%, Nb: 1.58%, Cu: 4.53%, Ti: 2.27% %, Mg: 0.23%, C: 0.01%, Cr: 16.5%, V: 1.64%, Ni: 12.5%, B: 0.016%, Mn: 3.36%, compound rare earth: 2.65%, and the rest are Al and impurities;

[0049] The composite rare earth contains the following components by weight percentage: Tm: 12.8%, Tb: 1.3%, Pr: 13.2%, Nd: 14.5%, Lu: 3.1%, Sm: 17.3%, and the balance is Ho ;

[0050] The total content of the impurities≤0.1%, wherein, P≤0.015%, S≤0.008%, H≤0.003%, N≤0.006%, O≤30ppm.

[0051] This embodiment also provides the manufacturing process of high-strength corrosion-resistant aluminum alloy material, and this process is carried out according to the following steps:

[0052] Step (1): First add pure aluminum ingots to the boiler in proportion to melt, keep the temperature at 600°C for 33 minutes, ...

Embodiment 3

[0057] This embodiment provides a high-strength and corrosion-resistant aluminum alloy material. The mass percentage of the chemical composition of the aluminum alloy material is: Sr: 1.45%, Si: 1.36%, Nb: 2.28%, Cu: 4.55%, Ti: 3.27% %, Mg: 0.24%, C: 0.02%, Cr: 16.8%, V: 2.24%, Ni: 13.3%, B: 0.018%, Mn: 3.38%, compound rare earth: 2.85%, and the rest are Al and impurities;

[0058] The composite rare earth contains the following components by weight percentage: Tm: 13.8%, Tb: 1.5%, Pr: 14.9%, Nd: 15.5%, Lu: 3.2%, Sm: 17.3%, and the balance is Ho;

[0059] The total content of the impurities≤0.1%, wherein, P≤0.015%, S≤0.008%, H≤0.003%, N≤0.006%, O≤30ppm.

[0060] This embodiment also provides the manufacturing process of high-strength corrosion-resistant aluminum alloy material, and this process is carried out according to the following steps:

[0061] Step (1): First add pure aluminum ingots to the boiler in proportion to melt, keep the temperature at 620°C for 30 minutes, th...

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Abstract

The invention discloses a high-strength anticorrosion aluminum-alloy material. The aluminum-alloy material comprises the following chemical components by weight percent: 1.23 to 1.45 percent of Sr, 1.34 to 1.36 percent of Si, 1.25 to 2.28 percent of Nb, 4.52 to 4.55 percent of Cu, 1.56 to 3.27 percent of Ti, 0.22 to 0.24 percent of Mg, 0.01 to 0.02 percent of C, 16.1 to 16.8 percent of Cr, 1.25 to 2.24 percent of V, 12.1 to 13.3 percent of Ni, 0.015 to 0.018 percent of B, 3.35 to 3.38 percent of Mn, 2.51 to 2.85 percent of composite rare earth and the balance of Al and impurities; the composite rare earth comprises the following ingredients by weight percent: 12.5 to 13.8 percent of Tm, 1.1 to 1.5 percent of Tb, 11.8 to 14.9 percent of Pr, 14.3 to 15.5 percent of Nd, 2.8 to 3.2 percent of Lu, 17.2 to 17.3 percent of Sm and the balance of Ho. The high-strength anticorrosion aluminum alloy material is long in service life, high in strength, good in safety and high in friction resistance and corrosion resistance; by adopting the production process, the processing cost is reduced, the processing period is shortened, and the anticorrosion property and the welding property of the aluminum alloy can be improved.

Description

technical field [0001] The invention relates to the field of doors and windows, in particular to a high-strength, corrosion-resistant aluminum alloy material and a manufacturing process thereof. Background technique [0002] Aluminum alloy materials are widely used in construction, civil and industrial fields, especially in the field of logistics and warehousing. At present, there are many different requirements for industrial high-strength aluminum alloy materials, such as high strength, high toughness and good processing and forming properties. , high corrosion resistance, a variety of surface treatment properties or good heat treatment properties, etc. Existing high-strength aluminum alloy materials only meet some of the above conditions, and cannot meet all of the above conditions at the same time, especially in the use process of severe wear and short service life; this also limits the use of aluminum alloy materials, affecting the height of aluminum The amount of allo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/16C22C1/02C22F1/057
CPCC22C21/00C22C30/02C22F1/04
Inventor 王正勇邢婷
Owner SUZHOU KESHENG STORAGE & LOGISTICS EQUIP
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