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Formula and manufacturing method of high-performance A356 aluminum alloy

An aluminum alloy, high-performance technology, applied in the formulation and preparation of high-performance A356 aluminum alloy, can solve the problems of poor strength and toughness of A356 aluminum alloy, and achieve the effect of improving performance, uniform structure, strength and toughness

Inactive Publication Date: 2019-12-20
滨州联信新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above defects, the purpose of the present invention is to provide a formula and preparation method of A356 aluminum alloy, aiming to solve the technical problem of poor strength and toughness of A356 aluminum alloy in the prior art

Method used

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  • Formula and manufacturing method of high-performance A356 aluminum alloy

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Embodiment 1

[0028] Example 1: The formula of high-performance A356 aluminum alloy, by mass percentage: Si: 6.8%, Mg: 0.30%, Ti: 0.10%, Sr: 0.02%, Fe: 0.10%, Ca: 0.003%, Zn: 0.03 %, Mn: 0.05%, Ni: 0.008%, P: 0.002%, Cu: 0.05%, and the balance is Al.

Embodiment 2

[0029] Embodiment 2: The formula of high-performance A356 aluminum alloy is: by mass percentage: Si: 7.0%, Mg: 0.32%, Ti: 0.12%, Sr: 0.023%, Fe: 0.10%, Ca: 0.003 %, Zn: 0.03%, Mn: 0.05%, Ni: 0.008%, P: 0.002%, Cu: 0.05%, and the balance is Al.

Embodiment 3

[0030] Example 3: The formula of high-performance A356 aluminum alloy, by mass percentage: Si: 7.3%, Mg: 0.34%, Ti: 0.14%, Sr: 0.024%, Fe: 0.10%, Ca: 0.003 %, Zn: 0.03%, Mn: 0.05%, Ni: 0.008%, P: 0.002%, Cu: 0.05%, and the balance is Al.

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Abstract

The invention discloses a formula and manufacturing method of a high-performance A356 aluminum alloy, and relates to the technical field of aluminum alloy production. The formula includes the following components in percentage by mass: 6.8-7.4% of Si, 0.30-0.35% of Mg, 0.10-0.15% Ti, 0.02-0.030% of Sr, less than or equal to 0.10% of Fe, less than 0.003% of Ca, less than 0.03% of Zn, less than 0.05% of Mn, less than 0.008% of Ni, less than 0.002% of P, less than 0.05% of Cu, and the balance Al. According to the formula and the manufacturing method, Ti and Sr elements are added in a reasonable proportioning mode, and the elements of Fe, Ca, Zn, Mn, Ni, P and Cu are each controlled on a reasonable low content level, so that the formula of the A356 aluminum alloy and the formula of the manufacturing method have stable and reasonable component distribution ratio, the structure is uniform, the strength and the toughness are remarkably improved, and the market development needs are well met.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy production, in particular to a formula and a preparation method of a high-performance A356 aluminum alloy. Background technique [0002] A356 aluminum alloy is an aluminum-based high-silicon alloy. A356 aluminum alloy is an Al-Si binary alloy with magnesium added to form a strengthening phase Mg 2 Si, through heat treatment, can significantly improve the aging strengthening ability of the alloy and improve the mechanical properties of the alloy. A356 aluminum alloy has excellent casting properties, and can achieve good strength and impact toughness through heat treatment, as well as good plasticity, so it becomes the first material for automobile wheels. [0003] With the development of the automobile industry, the performance indicators of automobiles are also gradually improving. As the key parts of automobiles related to automobile safety, the performance requirements of automobile whee...

Claims

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Application Information

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IPC IPC(8): C22C21/04C22C1/03C22C1/06
CPCC22C21/04C22C1/026C22C1/03C22C1/06
Inventor 王艳光朱跃波王占库
Owner 滨州联信新材料科技有限公司
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