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Foaming mould of foamed metal prepared by adopting powder metallurgical method

A foam metal and powder metallurgy technology, applied in the field of foam metal, can solve the problem of difficulty in maintaining the uniformity of foam metal cells, and achieve the effects of ensuring dimensional stability, avoiding deformation, and improving cell uniformity.

Active Publication Date: 2019-03-29
TSINGHUA UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, when using the powder metallurgy method to prepare a relatively large-sized aluminum foam sandwich structure, it is difficult to maintain the uniformity of the foamed metal cells if the foaming mold used for the small-sized aluminum foam sandwich structure is only scaled up year-on-year. Dimensions same performance as aluminum foam

Method used

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  • Foaming mould of foamed metal prepared by adopting powder metallurgical method
  • Foaming mould of foamed metal prepared by adopting powder metallurgical method
  • Foaming mould of foamed metal prepared by adopting powder metallurgical method

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail through the following embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] refer to Figure 1 to Figure 3 The embodiment of the present invention provides a foaming mold 10 for preparing metal foam by powder metallurgy, including a top cover 100 and a base.

[0030] The top cover 100 is concave and has a horizontally arranged first flat plate 110, a vertically arranged first side wall 120, a stopper 130 protruding from the outer surface of the first side wall 120, and a stopper 130 protruding from the first side wall 120. A first rib 140 on the upper surface of a flat plate 110 . An edge of the first flat plate 110 is connected to a lower edge of ...

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Abstract

The invention provides a foaming mould of foamed metal prepared by adopting a powder metallurgical method. The foaming mould comprises a top cover and a base, wherein the top cover is concave-shaped and is provided with a horizontally-arranged first flat panel, a vertically-arranged first side wall, a limitation part which is protruded on the outer surface of the first side wall and a first rib bar which is protruded on the upper surface of the first flat panel; the edge of the first flat panel is connected with the lower edge of the first side wall; the base comprises a horizontally-arrangedsecond flat panel, a vertically-arranged second side wall and a second rib bar which is protruded on the outer surface of the second flat panel; the lower edge of the second side wall is connected with the second flat panel; at least a part of the second side wall surrounds the second flat panel and a hollow cavity is formed by a part of the second side wall and the second flat panel; the first side wall and the first flat panel can be placed in the hollow cavity; the first side wall is in contact with the second side wall; and the upper edge of the second side wall is in contact with the limitation part, so that a foaming cavity is formed together by the top cover and the base.

Description

technical field [0001] The invention relates to the field of foamed metals, in particular to a foaming mold for preparing foamed metals by powder metallurgy. Background technique [0002] Foam metal sandwich structure, especially foam aluminum sandwich structure is a porous structure functional material with excellent physical and mechanical properties, such as light weight, energy absorption, shock absorption, cushioning, sound insulation and sound absorption, heat insulation, electromagnetic shielding, etc. ;Meet the performance requirements of system weight reduction, structural load bearing and functional integration, etc., and meet the requirements of future aerospace, automobile manufacturing, rail transit and other fields for structural functional materials, and have broad development and application prospects. [0003] The powder metallurgy method is currently a better method for preparing a foamed aluminum sandwich structure with stable performance and excellent per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/11B22F3/22
CPCB22F3/003B22F3/1125B22F3/22
Inventor 刘源丁祥万坦
Owner TSINGHUA UNIV
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