Preparation method of aluminum-magnesium alloy automobile engine fixing bracket

A technology of automobile engine and fixing bracket, which is applied in metal extrusion control equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of poor mechanical properties and heavy weight, and achieve the advantages of increased toughness, light weight and reduced equipment cost. Effect

Active Publication Date: 2020-10-16
SUZHOU YUANLIAN SCI & TECH PIONEER PARK MANAGEMENT CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

In this way, common brackets are welded with iron materials, or made of relatively expensive aluminum alloys, and are supplemented with shock absorbing pads such as rubber, so they are either heavy or have poor mechanical properties, and it is difficult to meet long-term Use in harsh environments requires

Method used

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  • Preparation method of aluminum-magnesium alloy automobile engine fixing bracket

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Embodiment

[0024] In an embodiment, a method for preparing an aluminum-magnesium alloy automobile engine fixing bracket includes the steps of preparing a magnesium-aluminum alloy product and extruding into a bracket product in sequence.

[0025] among them:

[0026] The steps of preparing a magnesium-aluminum alloy finished product sequentially include the following steps:

[0027] (1) Preparation of aluminum-magnesium alloy raw materials: in percentage terms, the raw material components are: Si: 7.5-8.5%, Fe: 0.5-1.0%, Cu: 3.0-4.0%, Mn: 0.3-0.5%, Ni: 0.3-0.5%, Zn: 0.3-0.5%, Sn: 0.1-0.35%, La: 0.05-0.08%, Mg: 15-20%, the balance is Al. Among them, compared with the traditional magnesium-aluminum alloy, the ratio of Mg to Al is higher, and the variety and quantity of rare earth elements are lower. For example, in terms of percentage content, the raw material components are: Si: 7.5%, Fe: 0.5%, Cu: 3.0%, Mn: 0.3%, Ni: 0.3%, Zn: 0.3%, Sn: 0.1%, La: 0.05%, Mg: 15%, the balance is Al. Or, in ter...

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Abstract

The invention discloses a preparing method of an Al-Mg alloy automobile engine mounting bracket. The preparing method sequentially comprises the following steps of preparing a Mg-Al alloy finished product and extruding the Mg-Al alloy finished product into a bracket finished product. By increasing the Mg content and adding a proper quantity of rare earth elements, the weight of the finished product is reduced, the cooling capability is improved, and excessive materials can be repeatedly utilized without obviously reducing the properties. Through the combination of common melting, homogenizingand the like, the mechanical properties of the materials are ensured. The finished product is formed in the extruding mode, and after quenching, temperature is raised to the one before quenching, so that quenching and annealing association is higher, the strength of the material is further improved, and internal stress is smaller. The service life of the finished product is prolonged.

Description

Technical field [0001] The invention relates to the technical field of automobile parts preparation, in particular to a preparation method of an aluminum-magnesium alloy automobile engine fixing bracket. Background technique [0002] The car engine bracket should have sufficient strength, hardness, toughness and tensile strength, and also need to be able to provide a certain amount of shock absorption. In this way, common brackets are welded with iron materials, or are made of relatively expensive aluminum alloys, and are supplemented with rubber and other shock-absorbing pads. Therefore, they are heavy or have poor mechanical properties and are difficult to meet long-term The use needs of harsh environments. Summary of the invention [0003] The purpose of the present invention is to provide a method for preparing an aluminum-magnesium alloy automobile engine fixing bracket, which has the characteristics of lighter weight and higher strength of the prepared bracket. [0004] The ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/02C22C21/08C22F1/047C21D9/00B21C23/00B21C31/00
Inventor 黄洪廉
Owner SUZHOU YUANLIAN SCI & TECH PIONEER PARK MANAGEMENT CO LTD
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