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Alloy for die-cast vehicle parts and method for manufacturing the same

A technology for vehicle parts and alloys, which is applied in the field of manufacturing alloys and can solve problems such as the difficulty of replacing alloys

Inactive Publication Date: 2016-10-05
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the vehicle industry has been continuously researched to reduce the weight of vehicle components to improve fuel efficiency, but there is still

Method used

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  • Alloy for die-cast vehicle parts and method for manufacturing the same
  • Alloy for die-cast vehicle parts and method for manufacturing the same
  • Alloy for die-cast vehicle parts and method for manufacturing the same

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Embodiment approach

[0023] Therefore, according to the exemplary embodiment of the present invention, the Mg / Si ratio can be increased to realize that a large amount of Al-Mg-Cu-based intermetallic compound and primary crystal Mg are produced. 2 The composite microstructure of Si thus provides an alloy of improved strength, reduced density, improved corrosion resistance compared to conventional alloys in general casting processes.

[0024] figure 1 A photograph showing an exemplary pseudo-binary process structure according to the related art. figure 2 Photographs are shown of exemplary microstructures comprising exemplary alloys prepared in accordance with exemplary embodiments of the present invention. as in figure 1 with figure 2 shown in, with eutectic Mg having 2 Compared to the microstructure of a pseudo-binary process structure in which Si particles are finely distributed in a typical aluminum matrix (Al matrix), alloys according to exemplary embodiments of the present invention may i...

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Abstract

The present invention provides alloys for die-casting vehicle parts and methods of making the same. The alloy comprises aluminum as a major component; magnesium in an amount of about 8.0 wt% to 10.5 wt% based on the total weight of the alloy composition; silicon in an amount of about 1.9 wt% to 3.4 wt% based on the total weight of the alloy composition; Copper in an amount of about 0.4 wt% to 2.0 wt% based on the total weight of the alloy composition; manganese in an amount of about 0.3 wt% to 1.0 wt% based on the total weight of the alloy composition; beryllium (Be ); and other necessary impurities. Further, during the manufacturing process, molten metal is heated to a temperature of about 670° C. to 730° C. and injected into the mold at a speed of about 3.0 m/s or higher.

Description

technical field [0001] The present invention relates to alloys for die-cast vehicle parts (die-cast vehicle parts) and methods for producing the alloys. Therefore, it is possible to manufacture a lightweight aluminum alloy with high corrosion resistance and use the lightweight aluminum alloy for die-casting vehicle parts. Background technique [0002] Generally, the ADC10 / 12 alloy used for die-casting vehicle parts is low in cost and has excellent castability, and thus, the ADC10 / 12 alloy has been widely used. ADC10 / 12 alloys have gradually shown their limitations as the driving environment for vehicles has become more severe. For example, damage due to lack of durability, white rust due to the salinity of seawater or snow removal materials, etc. have not been addressed in vehicle components until recently. Therefore, a need has arisen for new alloys to complement the ADC10 / 12 alloy. [0003] In addition, environmental regulations have recently been strengthened in an eff...

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Application Information

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IPC IPC(8): C22C21/08
CPCC22C21/08B22D17/00B22D21/04
Inventor 姜熙三
Owner HYUNDAI MOTOR CO LTD