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A semi-solid aluminum alloy material suitable for new energy vehicle battery packs and its preparation method

An aluminum alloy material and technology for new energy vehicles, applied in the field of aluminum alloys, can solve the problems of unsuitable structural parts and low strength of pure aluminum, and achieve the effect of improving tensile strength

Active Publication Date: 2022-06-21
苏州慧驰轻合金精密成型科技有限公司
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Problems solved by technology

[0004] Pure aluminum has low strength and is not suitable for making structural parts bearing loads

Method used

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  • A semi-solid aluminum alloy material suitable for new energy vehicle battery packs and its preparation method
  • A semi-solid aluminum alloy material suitable for new energy vehicle battery packs and its preparation method
  • A semi-solid aluminum alloy material suitable for new energy vehicle battery packs and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-10

[0029] Product performance testing 1) The yield strength testing method refers to GB / T 228.1A-20102) The elongation testing method refers to GB / T 228.1A-2010.

[0030] A semi-solid aluminum alloy material suitable for a battery pack of a new energy vehicle, comprising the components in the following Table 1 by mass percentage, the balance being aluminum and inevitable impurities.

[0031] Si: 7.0wt%-11.5wt%; Mg: 0.4wt%-1.0wt%; Zr: 0.1wt%-0.5wt%; Ti: <0.5wt%; B<0.5wt%; Fe: <0.5wt%; Cu<0.5wt%; Zn<0.5wt%.

[0032] Table 1 is the content table of each element in the aluminum alloys of Examples 1-10 and the properties of the aluminum alloy materials obtained therefrom

[0033]

[0034] The preparation method of the aluminum alloy described in the above-mentioned embodiments is:

[0035] 1) Calculate the quality of the required intermediate alloy and elemental metal according to the ratio, and prepare the materials;

[0036] 2) After the surface of the aluminum ingot is cleane...

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Abstract

The invention belongs to the technical field of aluminum alloys, and in particular relates to a semi-solid aluminum alloy material suitable for new energy vehicle battery packs and a preparation method thereof. The alloy includes Si: 7.0wt%-11.5wt%; Mg: 0.4wt%- 1.0wt%; Zr: 0.1wt%‑0.5wt%; Ti: <0.5wt%; B<0.5wt%; Fe: <0.5wt%; Cu<0.5wt%; 0.05wt% or less, and the balance is Al. Compared with the prior art, the present invention selects Zr, Ti and B elements to be doped into the aluminum alloy, utilizes the properties of the Zr, Ti and B elements, greatly improves the mechanical properties of the semi-solid aluminum alloy material, and makes the yield strength of the material Reach 240-310MPa.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloys, and in particular relates to a semi-solid aluminum alloy material suitable for battery packs of new energy vehicles and a preparation method thereof. Background technique [0002] The battery pack is the core energy source of the new energy vehicle, providing driving power for the whole vehicle. It mainly constitutes the main body of the battery pack through the shell envelope. As the carrier of the battery module, the battery pack case plays a key role in the safe operation and protection of the battery module. It needs to meet the requirements of strength and rigidity and the design requirements of the electrical equipment enclosure protection grade IP67 and provide collision protection. In order to advocate energy saving, emission reduction, low carbon and environmental protection, and in line with the process of my country's automobile lightweighting strategy, the study of a semi-sol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/02C22C1/03C22C1/06
CPCC22C21/02C22C1/03C22C1/026C22C1/06C22C1/12
Inventor 庞逸凡汪时宜卢书媛赵华
Owner 苏州慧驰轻合金精密成型科技有限公司
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