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Aluminum silicon carbide differential pressure electromagnetic casting equipment

A technology of electromagnetic casting and aluminum silicon carbide, applied in casting equipment, equipment for feeding molten metal into molds, metal processing equipment, etc., can solve problems such as poor melt penetration, high stress and high pressure of composite materials, etc. Achieve the effect of improving molding efficiency and molding quality

Pending Publication Date: 2022-05-24
苏州思萃热控材料科技有限公司
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Problems solved by technology

[0003] However, this method requires a high pressure, which is prone to large internal stress of the composite material, poor penetration of the melt into the silicon carbide preform, etc., resulting in microscopic defects such as shrinkage cavities and microcracks inside the composite material.

Method used

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  • Aluminum silicon carbide differential pressure electromagnetic casting equipment

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Embodiment Construction

[0022] The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

[0023] Among them, the accompanying drawings are only used for exemplary description, and they are only schematic diagrams, not physical drawings, and should not be construed as restrictions on this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings will be omitted, Enlarged or reduced, does not represent actual product size.

[0024] refer to figure 1 A differential pressure electromagnetic casting equipment for aluminum silicon carbide shown includes a smelting device and an electromagnetic forming device, the electromagnetic forming device is located above the smelting device, and the smelting device includes a smelting cavity, a graphite crucible 9 and an electric heating mechanism. , the graphite crucible 9 is arranged in the smelting cavity ...

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Abstract

The invention relates to the technical field of electromagnetic casting, in particular to aluminum silicon carbide differential pressure electromagnetic casting equipment which comprises a smelting device and an electromagnetic forming device, the smelting device comprises a smelting cavity, a graphite crucible and an electric heating mechanism, the graphite crucible is arranged in the smelting cavity, and the electric heating mechanism is arranged in the smelting cavity; the electromagnetic forming device comprises a forming cavity provided with an electromagnetic field generator, after the electromagnetic field generator is started, an electromagnetic field can be generated in the forming cavity, forming molds are arranged in the forming cavity, and a silicon carbide prefabricated body is placed in each forming mold. And additional driving force is provided for the infiltrating process of the aluminum alloy melt in the silicon carbide prefabricated body, the compactness of the aluminum silicon carbide composite material is improved, generation of microdefects in the composite material is avoided, and the use safety is high.

Description

technical field [0001] The invention relates to the technical field of electromagnetic casting, in particular to an aluminum silicon carbide differential pressure electromagnetic casting equipment. Background technique [0002] Aluminum silicon carbide composites have a wide range of applications in electronic packaging, aerospace, military and automotive fields due to their high strength, modulus and thermal conductivity, as well as low thermal expansion coefficient and other performance advantages. Due to the poor wettability between silicon carbide and aluminum melt, aluminum melt cannot spontaneously infiltrate into the porous silicon carbide preform, so the preparation of aluminum-silicon carbide composites currently mainly relies on pressure casting. By utilizing mechanical pressure or differential pressure, a driving force is provided for the infiltration and filling of the aluminum melt in the silicon carbide porous preform. [0003] However, the pressure required b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D35/04B22D35/06B22D18/00B22D23/04
CPCB22D35/04B22D35/06B22D18/00B22D23/04
Inventor 李新中刘仕超雷定中王帆朱明
Owner 苏州思萃热控材料科技有限公司
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