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Casting method of hypoeutectic aluminium alloy material for safety related automobile parts

An aluminum alloy material and hypoeutectic technology, which is applied in the field of non-ferrous metal material preparation technology and metamorphic treatment process, can solve problems such as bonding, and achieve the effect of improving service life and safety factor

Inactive Publication Date: 2015-06-10
TIANJIN LIZHONG ALLOY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The invention overcomes the problems of the prior art that it will bond with the aluminum alloy liquid at high temperature and release impurities such as silicon and iron in the refractory material into the aluminum alloy liquid

Method used

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  • Casting method of hypoeutectic aluminium alloy material for safety related automobile parts
  • Casting method of hypoeutectic aluminium alloy material for safety related automobile parts
  • Casting method of hypoeutectic aluminium alloy material for safety related automobile parts

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Embodiment Construction

[0036] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0037] A casting method of a hypoeutectic aluminum alloy material for automotive safety-related parts, including the preparation of a refined and modified parent aluminum alloy liquid and the preparation of a new type of refined and modified hypoeutectic aluminum alloy material, which are respectively described below:

[0038] One, the preparation steps of Al+Sb+Ti refining and modifying parent aluminum alloy liquid are as follows:

[0039] Prepare master aluminum alloy liquid according to Ti: 5-6%, Sb: 5-6%, Al: 88-90%

[0040] (1) According to the mass percentage of elements in the parent aluminum alloy liquid: Ti: 5-6%, Sb: 5-6%, Al: 88-90%, respectively weigh 147Kg of titanium agent (containing 75% of Ti) and 110Kg of metal antimony, Re...

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Abstract

The invention relates to a casting method of a hypoeutectic aluminium alloy material for safety related automobile parts. The casting method comprises the steps of preparation of a refined and modified master aluminium alloy liquid and preparation of a novel refined and modified hypoeutectic aluminium alloy material. The alloy material has the advantages of high-temperature wear resistance, high-temperature fatigue resistance, high strength, high toughness, and the like, is used for manufacturing safety related automobile parts, such as rear brake calipers, brake master cylinders and steering cases, and has the effects of greatly prolonging the service lives of the automobile parts and improving the safety factors of automobiles; the mechanical properties of the novel refined and modified hypoeutectic aluminium alloy material are detected after thermal treatment of the novel refined and modified hypoeutectic aluminium alloy material and are close to the standards (the tensile strength is not less than 400MPa) of the mechanical properties of high-strength aluminium alloys while the elongation and yield strength of the novel refined and modified hypoeutectic aluminium alloy material are far higher than those of high-strength hard aluminium alloys.

Description

technical field [0001] The invention belongs to the field of non-ferrous metal material preparation technology and metamorphic treatment technology, and in particular relates to a casting method of hypoeutectic aluminum alloy material of vehicle safety-related parts. Background technique [0002] Metal structure refinement is one of the ways to improve the mechanical properties of metal materials, and it is also the only way to improve the plasticity index of materials without sacrificing the strength index of the material. , [0003] By searching, only the following two published patent documents related to this patent application were found: [0004] 1. A large-diameter casting aluminum alloy hydraulic coupling impeller heat treatment process (CN101148744), which is characterized in that it consists of the following steps: preparing the large-diameter casting aluminum alloy hydraulic coupling impeller before heat treatment, and large-diameter casting aluminum alloy The i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/04C22C1/03C22C1/06
Inventor 王如芬李志琴郭强冯啸姜淑珍霍会娟
Owner TIANJIN LIZHONG ALLOY GROUP
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